[lfs-patches] r2836 - trunk/coreutils

igor at higgs.linuxfromscratch.org igor at higgs.linuxfromscratch.org
Mon Feb 10 12:39:27 PST 2014


Author: igor
Date: Mon Feb 10 12:39:26 2014
New Revision: 2836

Log:
updated coreutils i18n patch from the fedora git repo

Added:
   trunk/coreutils/coreutils-8.22-i18n-4.patch

Added: trunk/coreutils/coreutils-8.22-i18n-4.patch
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ trunk/coreutils/coreutils-8.22-i18n-4.patch	Mon Feb 10 12:39:26 2014	(r2836)
@@ -0,0 +1,4707 @@
+Submitted by:            Igor Živković <contact at igor-zivkovic.from.hr>
+Date:                    2014-02-10
+Initial Package Version: 8.22
+Upstream Status:         Rejected
+Origin:                  Based on Fedora's i18n patch at
+  http://pkgs.fedoraproject.org/cgit/coreutils.git/plain/coreutils-i18n.patch
+Description:             Fixes several i18n issues with various Coreutils programs
+
+diff -Naur coreutils-8.22.orig/lib/linebuffer.h coreutils-8.22/lib/linebuffer.h
+--- coreutils-8.22.orig/lib/linebuffer.h	2013-12-04 15:53:33.000000000 +0100
++++ coreutils-8.22/lib/linebuffer.h	2014-01-15 11:34:10.407909087 +0100
+@@ -21,6 +21,11 @@
+ 
+ # include <stdio.h>
+ 
++/* Get mbstate_t.  */
++# if HAVE_WCHAR_H
++#  include <wchar.h>
++# endif
++
+ /* A 'struct linebuffer' holds a line of text. */
+ 
+ struct linebuffer
+@@ -28,6 +33,9 @@
+   size_t size;                  /* Allocated. */
+   size_t length;                /* Used. */
+   char *buffer;
++# if HAVE_WCHAR_H
++  mbstate_t state;
++# endif
+ };
+ 
+ /* Initialize linebuffer LINEBUFFER for use. */
+diff -Naur coreutils-8.22.orig/src/cut.c coreutils-8.22/src/cut.c
+--- coreutils-8.22.orig/src/cut.c	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/src/cut.c	2014-01-15 11:34:10.408909096 +0100
+@@ -28,6 +28,11 @@
+ #include <assert.h>
+ #include <getopt.h>
+ #include <sys/types.h>
++
++/* Get mbstate_t, mbrtowc().  */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
+ #include "system.h"
+ 
+ #include "error.h"
+@@ -37,6 +42,18 @@
+ #include "quote.h"
+ #include "xstrndup.h"
+ 
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++   installation; work around this configuration error.        */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# undef MB_LEN_MAX
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "cut"
+ 
+@@ -53,6 +70,52 @@
+     }									\
+   while (0)
+ 
++/* Refill the buffer BUF to get a multibyte character. */
++#define REFILL_BUFFER(BUF, BUFPOS, BUFLEN, STREAM)                        \
++  do                                                                        \
++    {                                                                        \
++      if (BUFLEN < MB_LEN_MAX && !feof (STREAM) && !ferror (STREAM))        \
++        {                                                                \
++          memmove (BUF, BUFPOS, BUFLEN);                                \
++          BUFLEN += fread (BUF + BUFLEN, sizeof(char), BUFSIZ, STREAM); \
++          BUFPOS = BUF;                                                        \
++        }                                                                \
++    }                                                                        \
++  while (0)
++
++/* Get wide character on BUFPOS. BUFPOS is not included after that.
++   If byte sequence is not valid as a character, CONVFAIL is true. Otherwise false. */
++#define GET_NEXT_WC_FROM_BUFFER(WC, BUFPOS, BUFLEN, MBLENGTH, STATE, CONVFAIL) \
++  do                                                                        \
++    {                                                                        \
++      mbstate_t state_bak;                                                \
++                                                                        \
++      if (BUFLEN < 1)                                                        \
++        {                                                                \
++          WC = WEOF;                                                        \
++          break;                                                        \
++        }                                                                \
++                                                                        \
++      /* Get a wide character. */                                        \
++      CONVFAIL = false;                                                        \
++      state_bak = STATE;                                                \
++      MBLENGTH = mbrtowc ((wchar_t *)&WC, BUFPOS, BUFLEN, &STATE);        \
++                                                                        \
++      switch (MBLENGTH)                                                        \
++        {                                                                \
++        case (size_t)-1:                                                \
++        case (size_t)-2:                                                \
++          CONVFAIL = true;                                                        \
++          STATE = state_bak;                                                \
++          /* Fall througn. */                                                \
++                                                                        \
++        case 0:                                                                \
++          MBLENGTH = 1;                                                        \
++          break;                                                        \
++        }                                                                \
++    }                                                                        \
++  while (0)
++
+ 
+ struct range_pair
+   {
+@@ -75,6 +138,8 @@
+ /* Number of `struct range_pair's allocated. */
+ static size_t n_rp_allocated;
+ 
++/* Length of the delimiter given as argument to -d.  */
++size_t delimlen;
+ 
+ /* Append LOW, HIGH to the list RP of range pairs, allocating additional
+    space if necessary.  Update global variable N_RP.  When allocating,
+@@ -106,15 +171,25 @@
+   {
+     undefined_mode,
+ 
+-    /* Output characters that are in the given bytes. */
++    /* Output bytes that are at the given positions. */
+     byte_mode,
+ 
++    /* Output characters that are at the given positions. */
++    character_mode,
++
+     /* Output the given delimeter-separated fields. */
+     field_mode
+   };
+ 
+ static enum operating_mode operating_mode;
+ 
++/* If nonzero, when in byte mode, don't split multibyte characters.  */
++static int byte_mode_character_aware;
++
++/* If nonzero, the function for single byte locale is work
++   if this program runs on multibyte locale. */
++static int force_singlebyte_mode;
++
+ /* If true do not output lines containing no delimeter characters.
+    Otherwise, all such lines are printed.  This option is valid only
+    with field mode.  */
+@@ -126,6 +201,9 @@
+ 
+ /* The delimeter character for field mode. */
+ static unsigned char delim;
++#if HAVE_WCHAR_H
++static wchar_t wcdelim;
++#endif
+ 
+ /* True if the --output-delimiter=STRING option was specified.  */
+ static bool output_delimiter_specified;
+@@ -188,7 +266,7 @@
+   -f, --fields=LIST       select only these fields;  also print any line\n\
+                             that contains no delimiter character, unless\n\
+                             the -s option is specified\n\
+-  -n                      (ignored)\n\
++  -n                      with -b: don't split multibyte characters\n\
+ "), stdout);
+       fputs (_("\
+       --complement        complement the set of selected bytes, characters\n\
+@@ -381,6 +459,9 @@
+               if (operating_mode == byte_mode)
+                 error (0, 0,
+                        _("byte offset %s is too large"), quote (bad_num));
++              else if (operating_mode == character_mode)
++                error (0, 0,
++                       _("character offset %s is too large"), quote (bad_num));
+               else
+                 error (0, 0,
+                        _("field number %s is too large"), quote (bad_num));
+@@ -505,6 +586,82 @@
+     }
+ }
+ 
++#if HAVE_MBRTOWC
++/* This function is in use for the following case.
++
++   1. Read from the stream STREAM, printing to standard output any selected
++   characters.
++
++   2. Read from stream STREAM, printing to standard output any selected bytes,
++   without splitting multibyte characters.  */
++
++static void
++cut_characters_or_cut_bytes_no_split (FILE *stream)
++{
++  size_t idx;                /* number of bytes or characters in the line so far. */
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  char *bufpos;                /* Next read position of BUF. */
++  size_t buflen;        /* The length of the byte sequence in buf. */
++  wint_t wc;                /* A gotten wide character. */
++  size_t mblength;        /* The byte size of a multibyte character which shows
++                           as same character as WC. */
++  mbstate_t state;        /* State of the stream. */
++  bool convfail = false;  /* true, when conversion failed. Otherwise false. */
++  /* Whether to begin printing delimiters between ranges for the current line.
++     Set after we've begun printing data corresponding to the first range.  */
++  bool print_delimiter = false;
++
++  idx = 0;
++  buflen = 0;
++  bufpos = buf;
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  current_rp = rp;
++
++  while (1)
++    {
++      REFILL_BUFFER (buf, bufpos, buflen, stream);
++
++      GET_NEXT_WC_FROM_BUFFER (wc, bufpos, buflen, mblength, state, convfail);
++      (void) convfail;  /* ignore unused */
++
++      if (wc == WEOF)
++        {
++          if (idx > 0)
++            putchar ('\n');
++          break;
++        }
++      else if (wc == L'\n')
++        {
++          putchar ('\n');
++          idx = 0;
++          print_delimiter = false;
++          current_rp = rp;
++        }
++      else
++        {
++          next_item (&idx);
++          if (print_kth (idx))
++            {
++              if (output_delimiter_specified)
++                {
++                  if (print_delimiter && is_range_start_index (idx))
++                    {
++                      fwrite (output_delimiter_string, sizeof (char),
++                              output_delimiter_length, stdout);
++                    }
++                  print_delimiter = true;
++                }
++              fwrite (bufpos, mblength, sizeof(char), stdout);
++            }
++        }
++
++      buflen -= mblength;
++      bufpos += mblength;
++    }
++}
++#endif
++
+ /* Read from stream STREAM, printing to standard output any selected fields.  */
+ 
+ static void
+@@ -629,13 +786,211 @@
+     }
+ }
+ 
++#if HAVE_MBRTOWC
++static void
++cut_fields_mb (FILE *stream)
++{
++  int c;
++  size_t field_idx;
++  int found_any_selected_field;
++  int buffer_first_field;
++  int empty_input;
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  char *bufpos;                /* Next read position of BUF. */
++  size_t buflen;        /* The length of the byte sequence in buf. */
++  wint_t wc = 0;        /* A gotten wide character. */
++  size_t mblength;        /* The byte size of a multibyte character which shows
++                           as same character as WC. */
++  mbstate_t state;        /* State of the stream. */
++  bool convfail = false;  /* true, when conversion failed. Otherwise false. */
++
++  current_rp = rp;
++
++  found_any_selected_field = 0;
++  field_idx = 1;
++  bufpos = buf;
++  buflen = 0;
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  c = getc (stream);
++  empty_input = (c == EOF);
++  if (c != EOF)
++  {
++    ungetc (c, stream);
++    wc = 0;
++  }
++  else
++    wc = WEOF;
++
++  /* To support the semantics of the -s flag, we may have to buffer
++     all of the first field to determine whether it is `delimited.'
++     But that is unnecessary if all non-delimited lines must be printed
++     and the first field has been selected, or if non-delimited lines
++     must be suppressed and the first field has *not* been selected.
++     That is because a non-delimited line has exactly one field.  */
++  buffer_first_field = (suppress_non_delimited ^ !print_kth (1));
++
++  while (1)
++    {
++      if (field_idx == 1 && buffer_first_field)
++        {
++          int len = 0;
++
++          while (1)
++            {
++              REFILL_BUFFER (buf, bufpos, buflen, stream);
++
++              GET_NEXT_WC_FROM_BUFFER
++                (wc, bufpos, buflen, mblength, state, convfail);
++
++              if (wc == WEOF)
++                break;
++
++              field_1_buffer = xrealloc (field_1_buffer, len + mblength);
++              memcpy (field_1_buffer + len, bufpos, mblength);
++              len += mblength;
++              buflen -= mblength;
++              bufpos += mblength;
++
++              if (!convfail && (wc == L'\n' || wc == wcdelim))
++                break;
++            }
++
++          if (len <= 0 && wc == WEOF)
++            break;
++
++          /* If the first field extends to the end of line (it is not
++             delimited) and we are printing all non-delimited lines,
++             print this one.  */
++          if (convfail || (!convfail && wc != wcdelim))
++            {
++              if (suppress_non_delimited)
++                {
++                  /* Empty.        */
++                }
++              else
++                {
++                  fwrite (field_1_buffer, sizeof (char), len, stdout);
++                  /* Make sure the output line is newline terminated.  */
++                  if (convfail || (!convfail && wc != L'\n'))
++                    putchar ('\n');
++                }
++              continue;
++            }
++
++          if (print_kth (1))
++            {
++              /* Print the field, but not the trailing delimiter.  */
++              fwrite (field_1_buffer, sizeof (char), len - 1, stdout);
++              found_any_selected_field = 1;
++            }
++          next_item (&field_idx);
++        }
++
++      if (wc != WEOF)
++        {
++          if (print_kth (field_idx))
++            {
++              if (found_any_selected_field)
++                {
++                  fwrite (output_delimiter_string, sizeof (char),
++                          output_delimiter_length, stdout);
++                }
++              found_any_selected_field = 1;
++            }
++
++          while (1)
++            {
++              REFILL_BUFFER (buf, bufpos, buflen, stream);
++
++              GET_NEXT_WC_FROM_BUFFER
++                (wc, bufpos, buflen, mblength, state, convfail);
++
++              if (wc == WEOF)
++                break;
++              else if (!convfail && (wc == wcdelim || wc == L'\n'))
++                {
++                  buflen -= mblength;
++                  bufpos += mblength;
++                  break;
++                }
++
++              if (print_kth (field_idx))
++                fwrite (bufpos, mblength, sizeof(char), stdout);
++
++              buflen -= mblength;
++              bufpos += mblength;
++            }
++        }
++
++      if ((!convfail || wc == L'\n') && buflen < 1)
++        wc = WEOF;
++
++      if (!convfail && wc == wcdelim)
++        next_item (&field_idx);
++      else if (wc == WEOF || (!convfail && wc == L'\n'))
++        {
++          if (found_any_selected_field
++              || (!empty_input && !(suppress_non_delimited && field_idx == 1)))
++            putchar ('\n');
++          if (wc == WEOF)
++            break;
++          field_idx = 1;
++          current_rp = rp;
++          found_any_selected_field = 0;
++        }
++    }
++}
++#endif
++
+ static void
+ cut_stream (FILE *stream)
+ {
+-  if (operating_mode == byte_mode)
+-    cut_bytes (stream);
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1 && !force_singlebyte_mode)
++    {
++      switch (operating_mode)
++        {
++        case byte_mode:
++          if (byte_mode_character_aware)
++            cut_characters_or_cut_bytes_no_split (stream);
++          else
++            cut_bytes (stream);
++          break;
++
++        case character_mode:
++          cut_characters_or_cut_bytes_no_split (stream);
++          break;
++
++        case field_mode:
++          if (delimlen == 1)
++            {
++              /* Check if we have utf8 multibyte locale, so we can use this
++                 optimization because of uniqueness of characters, which is
++                 not true for e.g. SJIS */
++              char * loc = setlocale(LC_CTYPE, NULL);
++              if (loc && (strstr (loc, "UTF-8") || strstr (loc, "utf-8") ||
++                  strstr (loc, "UTF8") || strstr (loc, "utf8")))
++                {
++                  cut_fields (stream);
++                  break;
++                }
++            }
++          cut_fields_mb (stream);
++          break;
++
++        default:
++          abort ();
++        }
++    }
+   else
+-    cut_fields (stream);
++#endif
++    {
++      if (operating_mode == field_mode)
++        cut_fields (stream);
++      else
++        cut_bytes (stream);
++    }
+ }
+ 
+ /* Process file FILE to standard output.
+@@ -687,6 +1042,7 @@
+   bool ok;
+   bool delim_specified = false;
+   char *spec_list_string IF_LINT ( = NULL);
++  char mbdelim[MB_LEN_MAX + 1];
+ 
+   initialize_main (&argc, &argv);
+   set_program_name (argv[0]);
+@@ -709,7 +1065,6 @@
+       switch (optc)
+         {
+         case 'b':
+-        case 'c':
+           /* Build the byte list. */
+           if (operating_mode != undefined_mode)
+             FATAL_ERROR (_("only one type of list may be specified"));
+@@ -717,6 +1072,14 @@
+           spec_list_string = optarg;
+           break;
+ 
++        case 'c':
++          /* Build the character list. */
++          if (operating_mode != undefined_mode)
++            FATAL_ERROR (_("only one type of list may be specified"));
++          operating_mode = character_mode;
++          spec_list_string = optarg;
++          break;
++
+         case 'f':
+           /* Build the field list. */
+           if (operating_mode != undefined_mode)
+@@ -728,10 +1091,38 @@
+         case 'd':
+           /* New delimiter. */
+           /* Interpret -d '' to mean 'use the NUL byte as the delimiter.'  */
+-          if (optarg[0] != '\0' && optarg[1] != '\0')
+-            FATAL_ERROR (_("the delimiter must be a single character"));
+-          delim = optarg[0];
+-          delim_specified = true;
++            {
++#if HAVE_MBRTOWC
++              if(MB_CUR_MAX > 1)
++                {
++                  mbstate_t state;
++
++                  memset (&state, '\0', sizeof(mbstate_t));
++                  delimlen = mbrtowc (&wcdelim, optarg, strnlen(optarg, MB_LEN_MAX), &state);
++
++                  if (delimlen == (size_t)-1 || delimlen == (size_t)-2)
++                    ++force_singlebyte_mode;
++                  else
++                    {
++                      delimlen = (delimlen < 1) ? 1 : delimlen;
++                      if (wcdelim != L'\0' && *(optarg + delimlen) != '\0')
++                        FATAL_ERROR (_("the delimiter must be a single character"));
++                      memcpy (mbdelim, optarg, delimlen);
++                      mbdelim[delimlen] = '\0';
++                      if (delimlen == 1)
++                        delim = *optarg;
++                    }
++                }
++
++              if (MB_CUR_MAX <= 1 || force_singlebyte_mode)
++#endif
++                {
++                  if (optarg[0] != '\0' && optarg[1] != '\0')
++                    FATAL_ERROR (_("the delimiter must be a single character"));
++                  delim = (unsigned char) optarg[0];
++                }
++            delim_specified = true;
++          }
+           break;
+ 
+         case OUTPUT_DELIMITER_OPTION:
+@@ -744,6 +1135,7 @@
+           break;
+ 
+         case 'n':
++          byte_mode_character_aware = 1;
+           break;
+ 
+         case 's':
+@@ -783,15 +1175,34 @@
+     }
+ 
+   if (!delim_specified)
+-    delim = '\t';
++    {
++      delim = '\t';
++#ifdef HAVE_MBRTOWC
++      wcdelim = L'\t';
++      mbdelim[0] = '\t';
++      mbdelim[1] = '\0';
++      delimlen = 1;
++#endif
++    }
+ 
+   if (output_delimiter_string == NULL)
+     {
+-      static char dummy[2];
+-      dummy[0] = delim;
+-      dummy[1] = '\0';
+-      output_delimiter_string = dummy;
+-      output_delimiter_length = 1;
++#ifdef HAVE_MBRTOWC
++      if (MB_CUR_MAX > 1 && !force_singlebyte_mode)
++        {
++          output_delimiter_string = xstrdup(mbdelim);
++          output_delimiter_length = delimlen;
++        }
++
++      if (MB_CUR_MAX <= 1 || force_singlebyte_mode)
++#endif
++        {
++          static char dummy[2];
++          dummy[0] = delim;
++          dummy[1] = '\0';
++          output_delimiter_string = dummy;
++          output_delimiter_length = 1;
++        }
+     }
+ 
+   if (optind == argc)
+diff -Naur coreutils-8.22.orig/src/expand.c coreutils-8.22/src/expand.c
+--- coreutils-8.22.orig/src/expand.c	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/src/expand.c	2014-01-15 11:34:10.408909096 +0100
+@@ -37,12 +37,34 @@
+ #include <stdio.h>
+ #include <getopt.h>
+ #include <sys/types.h>
++
++/* Get mbstate_t, mbrtowc(), wcwidth(). */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
++/* Get iswblank(). */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+ #include "quote.h"
+ #include "xstrndup.h"
+ 
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++   installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "expand"
+ 
+@@ -357,6 +379,142 @@
+     }
+ }
+ 
++#if HAVE_MBRTOWC
++static void
++expand_multibyte (void)
++{
++  FILE *fp;			/* Input strem. */
++  mbstate_t i_state;		/* Current shift state of the input stream. */
++  mbstate_t i_state_bak;	/* Back up the I_STATE. */
++  mbstate_t o_state;		/* Current shift state of the output stream. */
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  char *bufpos = buf;			/* Next read position of BUF. */
++  size_t buflen = 0;		/* The length of the byte sequence in buf. */
++  wchar_t wc;			/* A gotten wide character. */
++  size_t mblength;		/* The byte size of a multibyte character
++				   which shows as same character as WC. */
++  int tab_index = 0;		/* Index in `tab_list' of next tabstop. */
++  int column = 0;		/* Column on screen of the next char. */
++  int next_tab_column;		/* Column the next tab stop is on. */
++  int convert = 1;		/* If nonzero, perform translations. */
++
++  fp = next_file ((FILE *) NULL);
++  if (fp == NULL)
++    return;
++
++  memset (&o_state, '\0', sizeof(mbstate_t));
++  memset (&i_state, '\0', sizeof(mbstate_t));
++
++  for (;;)
++    {
++      /* Refill the buffer BUF. */
++      if (buflen < MB_LEN_MAX && !feof(fp) && !ferror(fp))
++	{
++	  memmove (buf, bufpos, buflen);
++	  buflen += fread (buf + buflen, sizeof(char), BUFSIZ, fp);
++	  bufpos = buf;
++	}
++
++      /* No character is left in BUF. */
++      if (buflen < 1)
++	{
++	  fp = next_file (fp);
++
++	  if (fp == NULL)
++	    break;		/* No more files. */
++	  else
++	    {
++	      memset (&i_state, '\0', sizeof(mbstate_t));
++	      continue;
++	    }
++	}
++
++      /* Get a wide character. */
++      i_state_bak = i_state;
++      mblength = mbrtowc (&wc, bufpos, buflen, &i_state);
++
++      switch (mblength)
++	{
++	case (size_t)-1:	/* illegal byte sequence. */
++	case (size_t)-2:
++	  mblength = 1;
++	  i_state = i_state_bak;
++	  if (convert)
++	    {
++	      ++column;
++	      if (convert_entire_line == 0 && !isblank(*bufpos))
++		convert = 0;
++	    }
++	  putchar (*bufpos);
++	  break;
++
++	case 0:		/* null. */
++	  mblength = 1;
++	  if (convert && convert_entire_line == 0)
++	    convert = 0;
++	  putchar ('\0');
++	  break;
++
++	default:
++	  if (wc == L'\n')   /* LF. */
++	    {
++	      tab_index = 0;
++	      column = 0;
++	      convert = 1;
++	      putchar ('\n');
++	    }
++	  else if (wc == L'\t' && convert)	/* Tab. */
++	    {
++	      if (tab_size == 0)
++		{
++		  /* Do not let tab_index == first_free_tab;
++		     stop when it is 1 less. */
++		  while (tab_index < first_free_tab - 1
++		      && column >= tab_list[tab_index])
++		    tab_index++;
++		  next_tab_column = tab_list[tab_index];
++		  if (tab_index < first_free_tab - 1)
++		    tab_index++;
++		  if (column >= next_tab_column)
++		    next_tab_column = column + 1;
++		}
++	      else
++		next_tab_column = column + tab_size - column % tab_size;
++
++	      while (column < next_tab_column)
++		{
++		  putchar (' ');
++		  ++column;
++		}
++	    }
++	  else  /* Others. */
++	    {
++	      if (convert)
++		{
++		  if (wc == L'\b')
++		    {
++		      if (column > 0)
++			--column;
++		    }
++		  else
++		    {
++		      int width;		/* The width of WC. */
++
++		      width = wcwidth (wc);
++		      column += (width > 0) ? width : 0;
++		      if (convert_entire_line == 0 && !iswblank(wc))
++			convert = 0;
++		    }
++		}
++	      fwrite (bufpos, sizeof(char), mblength, stdout);
++	    }
++	}
++      buflen -= mblength;
++      bufpos += mblength;
++    }
++}
++#endif
++
+ int
+ main (int argc, char **argv)
+ {
+@@ -421,7 +579,12 @@
+ 
+   file_list = (optind < argc ? &argv[optind] : stdin_argv);
+ 
+-  expand ();
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    expand_multibyte ();
++  else
++#endif
++    expand ();
+ 
+   if (have_read_stdin && fclose (stdin) != 0)
+     error (EXIT_FAILURE, errno, "-");
+diff -Naur coreutils-8.22.orig/src/fold.c coreutils-8.22/src/fold.c
+--- coreutils-8.22.orig/src/fold.c	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/src/fold.c	2014-01-15 11:34:10.409909097 +0100
+@@ -22,12 +22,34 @@
+ #include <getopt.h>
+ #include <sys/types.h>
+ 
++/* Get mbstate_t, mbrtowc(), wcwidth().  */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
++/* Get iswprint(), iswblank(), wcwidth().  */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+ #include "quote.h"
+ #include "xstrtol.h"
+ 
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++      installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# undef MB_LEN_MAX
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ #define TAB_WIDTH 8
+ 
+ /* The official name of this program (e.g., no 'g' prefix).  */
+@@ -35,20 +57,41 @@
+ 
+ #define AUTHORS proper_name ("David MacKenzie")
+ 
++#define FATAL_ERROR(Message)                                            \
++  do                                                                    \
++    {                                                                   \
++      error (0, 0, (Message));                                          \
++      usage (2);                                                        \
++    }                                                                   \
++  while (0)
++
++enum operating_mode
++{
++  /* Fold texts by columns that are at the given positions. */
++  column_mode,
++
++  /* Fold texts by bytes that are at the given positions. */
++  byte_mode,
++
++  /* Fold texts by characters that are at the given positions. */
++  character_mode,
++};
++
++/* The argument shows current mode. (Default: column_mode) */
++static enum operating_mode operating_mode;
++
+ /* If nonzero, try to break on whitespace. */
+ static bool break_spaces;
+ 
+-/* If nonzero, count bytes, not column positions. */
+-static bool count_bytes;
+-
+ /* If nonzero, at least one of the files we read was standard input. */
+ static bool have_read_stdin;
+ 
+-static char const shortopts[] = "bsw:0::1::2::3::4::5::6::7::8::9::";
++static char const shortopts[] = "bcsw:0::1::2::3::4::5::6::7::8::9::";
+ 
+ static struct option const longopts[] =
+ {
+   {"bytes", no_argument, NULL, 'b'},
++  {"characters", no_argument, NULL, 'c'},
+   {"spaces", no_argument, NULL, 's'},
+   {"width", required_argument, NULL, 'w'},
+   {GETOPT_HELP_OPTION_DECL},
+@@ -76,6 +119,7 @@
+ 
+       fputs (_("\
+   -b, --bytes         count bytes rather than columns\n\
++  -c, --characters    count characters rather than columns\n\
+   -s, --spaces        break at spaces\n\
+   -w, --width=WIDTH   use WIDTH columns instead of 80\n\
+ "), stdout);
+@@ -93,7 +137,7 @@
+ static size_t
+ adjust_column (size_t column, char c)
+ {
+-  if (!count_bytes)
++  if (operating_mode != byte_mode)
+     {
+       if (c == '\b')
+         {
+@@ -116,30 +160,14 @@
+    to stdout, with maximum line length WIDTH.
+    Return true if successful.  */
+ 
+-static bool
+-fold_file (char const *filename, size_t width)
++static void
++fold_text (FILE *istream, size_t width, int *saved_errno)
+ {
+-  FILE *istream;
+   int c;
+   size_t column = 0;		/* Screen column where next char will go. */
+   size_t offset_out = 0;	/* Index in 'line_out' for next char. */
+   static char *line_out = NULL;
+   static size_t allocated_out = 0;
+-  int saved_errno;
+-
+-  if (STREQ (filename, "-"))
+-    {
+-      istream = stdin;
+-      have_read_stdin = true;
+-    }
+-  else
+-    istream = fopen (filename, "r");
+-
+-  if (istream == NULL)
+-    {
+-      error (0, errno, "%s", filename);
+-      return false;
+-    }
+ 
+   fadvise (istream, FADVISE_SEQUENTIAL);
+ 
+@@ -169,6 +197,15 @@
+               bool found_blank = false;
+               size_t logical_end = offset_out;
+ 
++              /* If LINE_OUT has no wide character,
++                 put a new wide character in LINE_OUT
++                 if column is bigger than width. */
++              if (offset_out == 0)
++                {
++                  line_out[offset_out++] = c;
++                  continue;
++                }
++
+               /* Look for the last blank. */
+               while (logical_end)
+                 {
+@@ -215,11 +252,221 @@
+       line_out[offset_out++] = c;
+     }
+ 
+-  saved_errno = errno;
++  *saved_errno = errno;
++
++  if (offset_out)
++    fwrite (line_out, sizeof (char), (size_t) offset_out, stdout);
++
++}
++
++#if HAVE_MBRTOWC
++static void
++fold_multibyte_text (FILE *istream, size_t width, int *saved_errno)
++{
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  size_t buflen = 0;        /* The length of the byte sequence in buf. */
++  char *bufpos = buf;         /* Next read position of BUF. */
++  wint_t wc;                /* A gotten wide character. */
++  size_t mblength;        /* The byte size of a multibyte character which shows
++                           as same character as WC. */
++  mbstate_t state, state_bak;        /* State of the stream. */
++  int convfail = 0;                /* 1, when conversion is failed. Otherwise 0. */
++
++  static char *line_out = NULL;
++  size_t offset_out = 0;        /* Index in `line_out' for next char. */
++  static size_t allocated_out = 0;
++
++  int increment;
++  size_t column = 0;
++
++  size_t last_blank_pos;
++  size_t last_blank_column;
++  int is_blank_seen;
++  int last_blank_increment = 0;
++  int is_bs_following_last_blank;
++  size_t bs_following_last_blank_num;
++  int is_cr_after_last_blank;
++
++#define CLEAR_FLAGS                                \
++   do                                                \
++     {                                                \
++        last_blank_pos = 0;                        \
++        last_blank_column = 0;                        \
++        is_blank_seen = 0;                        \
++        is_bs_following_last_blank = 0;                \
++        bs_following_last_blank_num = 0;        \
++        is_cr_after_last_blank = 0;                \
++     }                                                \
++   while (0)
++
++#define START_NEW_LINE                        \
++   do                                        \
++     {                                        \
++      putchar ('\n');                        \
++      column = 0;                        \
++      offset_out = 0;                        \
++      CLEAR_FLAGS;                        \
++    }                                        \
++   while (0)
++
++  CLEAR_FLAGS;
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  for (;; bufpos += mblength, buflen -= mblength)
++    {
++      if (buflen < MB_LEN_MAX && !feof (istream) && !ferror (istream))
++        {
++          memmove (buf, bufpos, buflen);
++          buflen += fread (buf + buflen, sizeof(char), BUFSIZ, istream);
++          bufpos = buf;
++        }
++
++      if (buflen < 1)
++        break;
++
++      /* Get a wide character. */
++      state_bak = state;
++      mblength = mbrtowc ((wchar_t *)&wc, bufpos, buflen, &state);
++
++      switch (mblength)
++        {
++        case (size_t)-1:
++        case (size_t)-2:
++          convfail++;
++          state = state_bak;
++          /* Fall through. */
++
++        case 0:
++          mblength = 1;
++          break;
++        }
++
++rescan:
++      if (operating_mode == byte_mode)                        /* byte mode */
++        increment = mblength;
++      else if (operating_mode == character_mode)        /* character mode */
++        increment = 1;
++      else                                                /* column mode */
++        {
++          if (convfail)
++            increment = 1;
++          else
++            {
++              switch (wc)
++                {
++                case L'\n':
++                  fwrite (line_out, sizeof(char), offset_out, stdout);
++                  START_NEW_LINE;
++                  continue;
++                  
++                case L'\b':
++                  increment = (column > 0) ? -1 : 0;
++                  break;
++
++                case L'\r':
++                  increment = -1 * column;
++                  break;
++
++                case L'\t':
++                  increment = 8 - column % 8;
++                  break;
++
++                default:
++                  increment = wcwidth (wc);
++                  increment = (increment < 0) ? 0 : increment;
++                }
++            }
++        }
++
++      if (column + increment > width && break_spaces && last_blank_pos)
++        {
++          fwrite (line_out, sizeof(char), last_blank_pos, stdout);
++          putchar ('\n');
++
++          offset_out = offset_out - last_blank_pos;
++          column = column - last_blank_column + ((is_cr_after_last_blank)
++              ? last_blank_increment : bs_following_last_blank_num);
++          memmove (line_out, line_out + last_blank_pos, offset_out);
++          CLEAR_FLAGS;
++          goto rescan;
++        }
++
++      if (column + increment > width && column != 0)
++        {
++          fwrite (line_out, sizeof(char), offset_out, stdout);
++          START_NEW_LINE;
++          goto rescan;
++        }
++
++      if (allocated_out < offset_out + mblength)
++        {
++          line_out = X2REALLOC (line_out, &allocated_out);
++        }
++
++      memcpy (line_out + offset_out, bufpos, mblength);
++      offset_out += mblength;
++      column += increment;
++
++      if (is_blank_seen && !convfail && wc == L'\r')
++        is_cr_after_last_blank = 1;
++
++      if (is_bs_following_last_blank && !convfail && wc == L'\b')
++        ++bs_following_last_blank_num;
++      else
++        is_bs_following_last_blank = 0;
++
++      if (break_spaces && !convfail && iswblank (wc))
++        {
++          last_blank_pos = offset_out;
++          last_blank_column = column;
++          is_blank_seen = 1;
++          last_blank_increment = increment;
++          is_bs_following_last_blank = 1;
++          bs_following_last_blank_num = 0;
++          is_cr_after_last_blank = 0;
++        }
++    }
++
++  *saved_errno = errno;
+ 
+   if (offset_out)
+     fwrite (line_out, sizeof (char), (size_t) offset_out, stdout);
+ 
++}
++#endif
++
++/* Fold file FILENAME, or standard input if FILENAME is "-",
++   to stdout, with maximum line length WIDTH.
++   Return 0 if successful, 1 if an error occurs. */
++
++static bool
++fold_file (char const *filename, size_t width)
++{
++  FILE *istream;
++  int saved_errno;
++
++  if (STREQ (filename, "-"))
++    {
++      istream = stdin;
++      have_read_stdin = 1;
++    }
++  else
++    istream = fopen (filename, "r");
++
++  if (istream == NULL)
++    {
++      error (0, errno, "%s", filename);
++      return 1;
++    }
++
++  /* Define how ISTREAM is being folded. */
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    fold_multibyte_text (istream, width, &saved_errno);
++  else
++#endif
++    fold_text (istream, width, &saved_errno);
++
+   if (ferror (istream))
+     {
+       error (0, saved_errno, "%s", filename);
+@@ -252,7 +499,8 @@
+ 
+   atexit (close_stdout);
+ 
+-  break_spaces = count_bytes = have_read_stdin = false;
++  operating_mode = column_mode;
++  break_spaces = have_read_stdin = false;
+ 
+   while ((optc = getopt_long (argc, argv, shortopts, longopts, NULL)) != -1)
+     {
+@@ -261,7 +509,15 @@
+       switch (optc)
+         {
+         case 'b':		/* Count bytes rather than columns. */
+-          count_bytes = true;
++          if (operating_mode != column_mode)
++            FATAL_ERROR (_("only one way of folding may be specified"));
++          operating_mode = byte_mode;
++          break;
++
++        case 'c':
++          if (operating_mode != column_mode)
++            FATAL_ERROR (_("only one way of folding may be specified"));
++          operating_mode = character_mode;
+           break;
+ 
+         case 's':		/* Break at word boundaries. */
+diff -Naur coreutils-8.22.orig/src/join.c coreutils-8.22/src/join.c
+--- coreutils-8.22.orig/src/join.c	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/src/join.c	2014-01-15 11:34:10.409909097 +0100
+@@ -22,18 +22,32 @@
+ #include <sys/types.h>
+ #include <getopt.h>
+ 
++/* Get mbstate_t, mbrtowc(), mbrtowc(), wcwidth().  */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
++/* Get iswblank(), towupper.  */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+ #include "hard-locale.h"
+ #include "linebuffer.h"
+-#include "memcasecmp.h"
+ #include "quote.h"
+ #include "stdio--.h"
+ #include "xmemcoll.h"
+ #include "xstrtol.h"
+ #include "argmatch.h"
+ 
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "join"
+ 
+@@ -135,10 +149,12 @@
+ /* Last element in 'outlist', where a new element can be added.  */
+ static struct outlist *outlist_end = &outlist_head;
+ 
+-/* Tab character separating fields.  If negative, fields are separated
+-   by any nonempty string of blanks, otherwise by exactly one
+-   tab character whose value (when cast to unsigned char) equals TAB.  */
+-static int tab = -1;
++/* Tab character separating fields.  If NULL, fields are separated
++   by any nonempty string of blanks.  */
++static char *tab = NULL;
++
++/* The number of bytes used for tab. */
++static size_t tablen = 0;
+ 
+ /* If nonzero, check that the input is correctly ordered. */
+ static enum
+@@ -269,13 +285,14 @@
+   if (ptr == lim)
+     return;
+ 
+-  if (0 <= tab && tab != '\n')
++  if (tab != NULL)
+     {
++      unsigned char t = tab[0];
+       char *sep;
+-      for (; (sep = memchr (ptr, tab, lim - ptr)) != NULL; ptr = sep + 1)
++      for (; (sep = memchr (ptr, t, lim - ptr)) != NULL; ptr = sep + 1)
+         extract_field (line, ptr, sep - ptr);
+     }
+-  else if (tab < 0)
++   else
+     {
+       /* Skip leading blanks before the first field.  */
+       while (isblank (to_uchar (*ptr)))
+@@ -299,6 +316,147 @@
+   extract_field (line, ptr, lim - ptr);
+ }
+ 
++#if HAVE_MBRTOWC
++static void
++xfields_multibyte (struct line *line)
++{
++  char *ptr = line->buf.buffer;
++  char const *lim = ptr + line->buf.length - 1;
++  wchar_t wc = 0;
++  size_t mblength = 1;
++  mbstate_t state, state_bak;
++
++  memset (&state, 0, sizeof (mbstate_t));
++
++  if (ptr >= lim)
++    return;
++
++  if (tab != NULL)
++    {
++      char *sep = ptr;
++      for (; ptr < lim; ptr = sep + mblength)
++	{
++	  sep = ptr;
++	  while (sep < lim)
++	    {
++	      state_bak = state;
++	      mblength = mbrtowc (&wc, sep, lim - sep + 1, &state);
++
++	      if (mblength == (size_t)-1 || mblength == (size_t)-2)
++		{
++		  mblength = 1;
++		  state = state_bak;
++		}
++	      mblength = (mblength < 1) ? 1 : mblength;
++
++	      if (mblength == tablen && !memcmp (sep, tab, mblength))
++		break;
++	      else
++		{
++		  sep += mblength;
++		  continue;
++		}
++	    }
++
++	  if (sep >= lim)
++	    break;
++
++	  extract_field (line, ptr, sep - ptr);
++	}
++    }
++  else
++    {
++      /* Skip leading blanks before the first field.  */
++      while(ptr < lim)
++      {
++        state_bak = state;
++        mblength = mbrtowc (&wc, ptr, lim - ptr + 1, &state);
++
++        if (mblength == (size_t)-1 || mblength == (size_t)-2)
++          {
++            mblength = 1;
++            state = state_bak;
++            break;
++          }
++        mblength = (mblength < 1) ? 1 : mblength;
++
++        if (!iswblank(wc))
++          break;
++        ptr += mblength;
++      }
++
++      do
++	{
++	  char *sep;
++	  state_bak = state;
++	  mblength = mbrtowc (&wc, ptr, lim - ptr + 1, &state);
++	  if (mblength == (size_t)-1 || mblength == (size_t)-2)
++	    {
++	      mblength = 1;
++	      state = state_bak;
++	      break;
++	    }
++	  mblength = (mblength < 1) ? 1 : mblength;
++
++	  sep = ptr + mblength;
++	  while (sep < lim)
++	    {
++	      state_bak = state;
++	      mblength = mbrtowc (&wc, sep, lim - sep + 1, &state);
++	      if (mblength == (size_t)-1 || mblength == (size_t)-2)
++		{
++		  mblength = 1;
++		  state = state_bak;
++		  break;
++		}
++	      mblength = (mblength < 1) ? 1 : mblength;
++
++	      if (iswblank (wc))
++		break;
++
++	      sep += mblength;
++	    }
++
++	  extract_field (line, ptr, sep - ptr);
++	  if (sep >= lim)
++	    return;
++
++	  state_bak = state;
++	  mblength = mbrtowc (&wc, sep, lim - sep + 1, &state);
++	  if (mblength == (size_t)-1 || mblength == (size_t)-2)
++	    {
++	      mblength = 1;
++	      state = state_bak;
++	      break;
++	    }
++	  mblength = (mblength < 1) ? 1 : mblength;
++
++	  ptr = sep + mblength;
++	  while (ptr < lim)
++	    {
++	      state_bak = state;
++	      mblength = mbrtowc (&wc, ptr, lim - ptr + 1, &state);
++	      if (mblength == (size_t)-1 || mblength == (size_t)-2)
++		{
++		  mblength = 1;
++		  state = state_bak;
++		  break;
++		}
++	      mblength = (mblength < 1) ? 1 : mblength;
++
++	      if (!iswblank (wc))
++		break;
++
++	      ptr += mblength;
++	    }
++	}
++      while (ptr < lim);
++    }
++
++  extract_field (line, ptr, lim - ptr);
++}
++#endif
++ 
+ static void
+ freeline (struct line *line)
+ {
+@@ -320,56 +478,133 @@
+         size_t jf_1, size_t jf_2)
+ {
+   /* Start of field to compare in each file.  */
+-  char *beg1;
+-  char *beg2;
+-
+-  size_t len1;
+-  size_t len2;		/* Length of fields to compare.  */
++  char *beg[2];
++  char *copy[2];
++  size_t len[2]; 	/* Length of fields to compare.  */
+   int diff;
++  int i, j;
++  int mallocd = 0;
+ 
+   if (jf_1 < line1->nfields)
+     {
+-      beg1 = line1->fields[jf_1].beg;
+-      len1 = line1->fields[jf_1].len;
++      beg[0] = line1->fields[jf_1].beg;
++      len[0] = line1->fields[jf_1].len;
+     }
+   else
+     {
+-      beg1 = NULL;
+-      len1 = 0;
++      beg[0] = NULL;
++      len[0] = 0;
+     }
+ 
+   if (jf_2 < line2->nfields)
+     {
+-      beg2 = line2->fields[jf_2].beg;
+-      len2 = line2->fields[jf_2].len;
++      beg[1] = line2->fields[jf_2].beg;
++      len[1] = line2->fields[jf_2].len;
+     }
+   else
+     {
+-      beg2 = NULL;
+-      len2 = 0;
++      beg[1] = NULL;
++      len[1] = 0;
+     }
+ 
+-  if (len1 == 0)
+-    return len2 == 0 ? 0 : -1;
+-  if (len2 == 0)
++  if (len[0] == 0)
++    return len[1] == 0 ? 0 : -1;
++  if (len[1] == 0)
+     return 1;
+ 
+   if (ignore_case)
+     {
+-      /* FIXME: ignore_case does not work with NLS (in particular,
+-         with multibyte chars).  */
+-      diff = memcasecmp (beg1, beg2, MIN (len1, len2));
++#ifdef HAVE_MBRTOWC
++      if (MB_CUR_MAX > 1)
++      {
++        size_t mblength;
++        wchar_t wc, uwc;
++        mbstate_t state, state_bak;
++
++        memset (&state, '\0', sizeof (mbstate_t));
++
++        for (i = 0; i < 2; i++)
++          {
++            mallocd = 1;
++            copy[i] = xmalloc (len[i] + 1);
++            memset (copy[i], '\0',len[i] + 1);
++
++            for (j = 0; j < MIN (len[0], len[1]);)
++              {
++                state_bak = state;
++                mblength = mbrtowc (&wc, beg[i] + j, len[i] - j, &state);
++
++                switch (mblength)
++                  {
++                  case (size_t) -1:
++                  case (size_t) -2:
++                    state = state_bak;
++                    /* Fall through */
++                  case 0:
++                    mblength = 1;
++                    break;
++
++                  default:
++                    uwc = towupper (wc);
++
++                    if (uwc != wc)
++                      {
++                        mbstate_t state_wc;
++                        size_t mblen;
++
++                        memset (&state_wc, '\0', sizeof (mbstate_t));
++                        mblen = wcrtomb (copy[i] + j, uwc, &state_wc);
++                        assert (mblen != (size_t)-1);
++                      }
++                    else
++                      memcpy (copy[i] + j, beg[i] + j, mblength);
++                  }
++                j += mblength;
++              }
++            copy[i][j] = '\0';
++          }
++      }
++      else
++#endif
++      {
++        for (i = 0; i < 2; i++)
++          {
++            mallocd = 1;
++            copy[i] = xmalloc (len[i] + 1);
++
++            for (j = 0; j < MIN (len[0], len[1]); j++)
++              copy[i][j] = toupper (beg[i][j]);
++
++            copy[i][j] = '\0';
++          }
++      }
+     }
+   else
+     {
+-      if (hard_LC_COLLATE)
+-        return xmemcoll (beg1, len1, beg2, len2);
+-      diff = memcmp (beg1, beg2, MIN (len1, len2));
++      copy[0] = beg[0];
++      copy[1] = beg[1];
++    }
++
++  if (hard_LC_COLLATE)
++    {
++      diff = xmemcoll ((char *) copy[0], len[0], (char *) copy[1], len[1]);
++
++      if (mallocd)
++        for (i = 0; i < 2; i++)
++          free (copy[i]);
++
++      return diff;
+     }
++  diff = memcmp (copy[0], copy[1], MIN (len[0], len[1]));
++
++  if (mallocd)
++    for (i = 0; i < 2; i++)
++      free (copy[i]);
++
+ 
+   if (diff)
+     return diff;
+-  return len1 < len2 ? -1 : len1 != len2;
++  return len[0] - len[1];
+ }
+ 
+ /* Check that successive input lines PREV and CURRENT from input file
+@@ -461,6 +696,11 @@
+     }
+   ++line_no[which - 1];
+ 
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    xfields_multibyte (line);
++  else
++#endif
+   xfields (line);
+ 
+   if (prevline[which - 1])
+@@ -560,21 +800,28 @@
+ 
+ /* Output all the fields in line, other than the join field.  */
+ 
++#define PUT_TAB_CHAR							\
++  do									\
++    {									\
++      (tab != NULL) ?							\
++	fwrite(tab, sizeof(char), tablen, stdout) : putchar (' ');	\
++    }									\
++  while (0)
++
+ static void
+ prfields (struct line const *line, size_t join_field, size_t autocount)
+ {
+   size_t i;
+   size_t nfields = autoformat ? autocount : line->nfields;
+-  char output_separator = tab < 0 ? ' ' : tab;
+ 
+   for (i = 0; i < join_field && i < nfields; ++i)
+     {
+-      putchar (output_separator);
++      PUT_TAB_CHAR;
+       prfield (i, line);
+     }
+   for (i = join_field + 1; i < nfields; ++i)
+     {
+-      putchar (output_separator);
++      PUT_TAB_CHAR;
+       prfield (i, line);
+     }
+ }
+@@ -585,7 +832,6 @@
+ prjoin (struct line const *line1, struct line const *line2)
+ {
+   const struct outlist *outlist;
+-  char output_separator = tab < 0 ? ' ' : tab;
+   size_t field;
+   struct line const *line;
+ 
+@@ -619,7 +865,7 @@
+           o = o->next;
+           if (o == NULL)
+             break;
+-          putchar (output_separator);
++          PUT_TAB_CHAR;
+         }
+       putchar (eolchar);
+     }
+@@ -1097,21 +1343,46 @@
+ 
+         case 't':
+           {
+-            unsigned char newtab = optarg[0];
++            char *newtab = NULL;
++            size_t newtablen;
++            newtab = xstrdup (optarg);
++#if HAVE_MBRTOWC
++            if (MB_CUR_MAX > 1)
++              {
++                mbstate_t state;
++
++                memset (&state, 0, sizeof (mbstate_t));
++                newtablen = mbrtowc (NULL, newtab,
++                                     strnlen (newtab, MB_LEN_MAX),
++                                     &state);
++                if (newtablen == (size_t) 0
++                    || newtablen == (size_t) -1
++                    || newtablen == (size_t) -2)
++                  newtablen = 1;
++              }
++            else
++#endif
++              newtablen = 1;
+             if (! newtab)
+-              newtab = '\n'; /* '' => process the whole line.  */
++            {
++              newtab = (char*)"\n"; /* '' => process the whole line.  */
++            }
+             else if (optarg[1])
+               {
+-                if (STREQ (optarg, "\\0"))
+-                  newtab = '\0';
+-                else
+-                  error (EXIT_FAILURE, 0, _("multi-character tab %s"),
+-                         quote (optarg));
++                if (newtablen == 1 && newtab[1])
++                {
++                  if (STREQ (newtab, "\\0"))
++                     newtab[0] = '\0';
++                }
++              }
++            if (tab != NULL && strcmp (tab, newtab))
++              {
++                free (newtab);
++                error (EXIT_FAILURE, 0, _("incompatible tabs"));
+               }
+-            if (0 <= tab && tab != newtab)
+-              error (EXIT_FAILURE, 0, _("incompatible tabs"));
+             tab = newtab;
+-          }
++            tablen = newtablen;
++           }
+           break;
+ 
+         case 'z':
+diff -Naur coreutils-8.22.orig/src/pr.c coreutils-8.22/src/pr.c
+--- coreutils-8.22.orig/src/pr.c	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/src/pr.c	2014-01-15 11:34:10.411909086 +0100
+@@ -312,6 +312,24 @@
+ 
+ #include <getopt.h>
+ #include <sys/types.h>
++
++/* Get MB_LEN_MAX.  */
++#include <limits.h>
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++   installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX == 1
++# define MB_LEN_MAX 16
++#endif
++
++/* Get MB_CUR_MAX.  */
++#include <stdlib.h>
++
++/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.  */
++/* Get mbstate_t, mbrtowc(), wcwidth().  */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+@@ -323,6 +341,18 @@
+ #include "strftime.h"
+ #include "xstrtol.h"
+ 
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
++#ifndef HAVE_DECL_WCWIDTH
++"this configure-time declaration test was not run"
++#endif
++#if !HAVE_DECL_WCWIDTH
++extern int wcwidth ();
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "pr"
+ 
+@@ -415,7 +445,20 @@
+ 
+ typedef struct COLUMN COLUMN;
+ 
+-static int char_to_clump (char c);
++/* Funtion pointers to switch functions for single byte locale or for
++   multibyte locale. If multibyte functions do not exist in your sysytem,
++   these pointers always point the function for single byte locale. */
++static void (*print_char) (char c);
++static int (*char_to_clump) (char c);
++
++/* Functions for single byte locale. */
++static void print_char_single (char c);
++static int char_to_clump_single (char c);
++
++/* Functions for multibyte locale. */
++static void print_char_multi (char c);
++static int char_to_clump_multi (char c);
++
+ static bool read_line (COLUMN *p);
+ static bool print_page (void);
+ static bool print_stored (COLUMN *p);
+@@ -425,6 +468,7 @@
+ static void pad_across_to (int position);
+ static void add_line_number (COLUMN *p);
+ static void getoptarg (char *arg, char switch_char, char *character,
++                       int *character_length, int *character_width,
+                        int *number);
+ static void print_files (int number_of_files, char **av);
+ static void init_parameters (int number_of_files);
+@@ -438,7 +482,6 @@
+ static void pad_down (int lines);
+ static void read_rest_of_line (COLUMN *p);
+ static void skip_read (COLUMN *p, int column_number);
+-static void print_char (char c);
+ static void cleanup (void);
+ static void print_sep_string (void);
+ static void separator_string (const char *optarg_S);
+@@ -450,7 +493,7 @@
+    we store the leftmost columns contiguously in buff.
+    To print a line from buff, get the index of the first character
+    from line_vector[i], and print up to line_vector[i + 1]. */
+-static char *buff;
++static unsigned char *buff;
+ 
+ /* Index of the position in buff where the next character
+    will be stored. */
+@@ -554,7 +597,7 @@
+ static bool untabify_input = false;
+ 
+ /* (-e) The input tab character. */
+-static char input_tab_char = '\t';
++static char input_tab_char[MB_LEN_MAX] = "\t";
+ 
+ /* (-e) Tabstops are at chars_per_tab, 2*chars_per_tab, 3*chars_per_tab, ...
+    where the leftmost column is 1. */
+@@ -564,7 +607,10 @@
+ static bool tabify_output = false;
+ 
+ /* (-i) The output tab character. */
+-static char output_tab_char = '\t';
++static char output_tab_char[MB_LEN_MAX] = "\t";
++
++/* (-i) The byte length of output tab character. */
++static int output_tab_char_length = 1;
+ 
+ /* (-i) The width of the output tab. */
+ static int chars_per_output_tab = 8;
+@@ -634,7 +680,13 @@
+ static bool numbered_lines = false;
+ 
+ /* (-n) Character which follows each line number. */
+-static char number_separator = '\t';
++static char number_separator[MB_LEN_MAX] = "\t";
++
++/* (-n) The byte length of the character which follows each line number. */
++static int number_separator_length = 1;
++
++/* (-n) The character width of the character which follows each line number. */
++static int number_separator_width = 0;
+ 
+ /* (-n) line counting starts with 1st line of input file (not with 1st
+    line of 1st page printed). */
+@@ -687,6 +739,7 @@
+    -a|COLUMN|-m is a 'space' and with the -J option a 'tab'. */
+ static char *col_sep_string = (char *) "";
+ static int col_sep_length = 0;
++static int col_sep_width = 0;
+ static char *column_separator = (char *) " ";
+ static char *line_separator = (char *) "\t";
+ 
+@@ -843,6 +896,13 @@
+   col_sep_length = (int) strlen (optarg_S);
+   col_sep_string = xmalloc (col_sep_length + 1);
+   strcpy (col_sep_string, optarg_S);
++
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    col_sep_width = mbswidth (col_sep_string, 0);
++  else
++#endif
++    col_sep_width = col_sep_length;
+ }
+ 
+ int
+@@ -867,6 +927,21 @@
+ 
+   atexit (close_stdout);
+ 
++/* Define which functions are used, the ones for single byte locale or the ones
++   for multibyte locale. */
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    {
++      print_char = print_char_multi;
++      char_to_clump = char_to_clump_multi;
++    }
++  else
++#endif
++    {
++      print_char = print_char_single;
++      char_to_clump = char_to_clump_single;
++    }
++
+   n_files = 0;
+   file_names = (argc > 1
+                 ? xmalloc ((argc - 1) * sizeof (char *))
+@@ -943,8 +1018,12 @@
+           break;
+         case 'e':
+           if (optarg)
+-            getoptarg (optarg, 'e', &input_tab_char,
+-                       &chars_per_input_tab);
++            {
++              int dummy_length, dummy_width;
++
++              getoptarg (optarg, 'e', input_tab_char, &dummy_length,
++                         &dummy_width, &chars_per_input_tab);
++            }
+           /* Could check tab width > 0. */
+           untabify_input = true;
+           break;
+@@ -957,8 +1036,12 @@
+           break;
+         case 'i':
+           if (optarg)
+-            getoptarg (optarg, 'i', &output_tab_char,
+-                       &chars_per_output_tab);
++            {
++              int dummy_width;
++
++              getoptarg (optarg, 'i', output_tab_char, &output_tab_char_length,
++                         &dummy_width, &chars_per_output_tab);
++            }
+           /* Could check tab width > 0. */
+           tabify_output = true;
+           break;
+@@ -985,8 +1068,8 @@
+         case 'n':
+           numbered_lines = true;
+           if (optarg)
+-            getoptarg (optarg, 'n', &number_separator,
+-                       &chars_per_number);
++            getoptarg (optarg, 'n', number_separator, &number_separator_length,
++                       &number_separator_width, &chars_per_number);
+           break;
+         case 'N':
+           skip_count = false;
+@@ -1025,7 +1108,7 @@
+           old_s = false;
+           /* Reset an additional input of -s, -S dominates -s */
+           col_sep_string = bad_cast ("");
+-          col_sep_length = 0;
++          col_sep_length = col_sep_width = 0;
+           use_col_separator = true;
+           if (optarg)
+             separator_string (optarg);
+@@ -1182,10 +1265,45 @@
+    a number. */
+ 
+ static void
+-getoptarg (char *arg, char switch_char, char *character, int *number)
++getoptarg (char *arg, char switch_char, char *character, int *character_length,
++           int *character_width, int *number)
+ {
+   if (!ISDIGIT (*arg))
+-    *character = *arg++;
++    {
++#ifdef HAVE_MBRTOWC
++      if (MB_CUR_MAX > 1)        /* for multibyte locale. */
++        {
++          wchar_t wc;
++          size_t mblength;
++          int width;
++          mbstate_t state = {'\0'};
++
++          mblength = mbrtowc (&wc, arg, strnlen(arg, MB_LEN_MAX), &state);
++
++          if (mblength == (size_t)-1 || mblength == (size_t)-2)
++            {
++              *character_length = 1;
++              *character_width = 1;
++            }
++          else
++            {
++              *character_length = (mblength < 1) ? 1 : mblength;
++              width = wcwidth (wc);
++              *character_width = (width < 0) ? 0 : width;
++            }
++
++          strncpy (character, arg, *character_length);
++          arg += *character_length;
++        }
++      else                        /* for single byte locale. */
++#endif
++        {
++          *character = *arg++;
++          *character_length = 1;
++          *character_width = 1;
++        }
++    }
++
+   if (*arg)
+     {
+       long int tmp_long;
+@@ -1207,6 +1325,11 @@
+ init_parameters (int number_of_files)
+ {
+   int chars_used_by_number = 0;
++  int mb_len = 1;
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    mb_len = MB_LEN_MAX;
++#endif
+ 
+   lines_per_body = lines_per_page - lines_per_header - lines_per_footer;
+   if (lines_per_body <= 0)
+@@ -1244,7 +1367,7 @@
+           else
+             col_sep_string = column_separator;
+ 
+-          col_sep_length = 1;
++          col_sep_length = col_sep_width = 1;
+           use_col_separator = true;
+         }
+       /* It's rather pointless to define a TAB separator with column
+@@ -1274,11 +1397,11 @@
+              + TAB_WIDTH (chars_per_input_tab, chars_per_number);   */
+ 
+       /* Estimate chars_per_text without any margin and keep it constant. */
+-      if (number_separator == '\t')
++      if (number_separator[0] == '\t')
+         number_width = (chars_per_number
+                         + TAB_WIDTH (chars_per_default_tab, chars_per_number));
+       else
+-        number_width = chars_per_number + 1;
++        number_width = chars_per_number + number_separator_width;
+ 
+       /* The number is part of the column width unless we are
+          printing files in parallel. */
+@@ -1287,7 +1410,7 @@
+     }
+ 
+   chars_per_column = (chars_per_line - chars_used_by_number
+-                      - (columns - 1) * col_sep_length) / columns;
++                      - (columns - 1) * col_sep_width) / columns;
+ 
+   if (chars_per_column < 1)
+     error (EXIT_FAILURE, 0, _("page width too narrow"));
+@@ -1305,7 +1428,7 @@
+      We've to use 8 as the lower limit, if we use chars_per_default_tab = 8
+      to expand a tab which is not an input_tab-char. */
+   free (clump_buff);
+-  clump_buff = xmalloc (MAX (8, chars_per_input_tab));
++  clump_buff = xmalloc (mb_len * MAX (8, chars_per_input_tab));
+ }
+ 

+ /* Open the necessary files,
+@@ -1413,7 +1536,7 @@
+ 
+   /* Enlarge p->start_position of first column to use the same form of
+      padding_not_printed with all columns. */
+-  h = h + col_sep_length;
++  h = h + col_sep_width;
+ 
+   /* This loop takes care of all but the rightmost column. */
+ 
+@@ -1447,7 +1570,7 @@
+         }
+       else
+         {
+-          h = h_next + col_sep_length;
++          h = h_next + col_sep_width;
+           h_next = h + chars_per_column;
+         }
+     }
+@@ -1738,9 +1861,9 @@
+ align_column (COLUMN *p)
+ {
+   padding_not_printed = p->start_position;
+-  if (padding_not_printed - col_sep_length > 0)
++  if (padding_not_printed - col_sep_width > 0)
+     {
+-      pad_across_to (padding_not_printed - col_sep_length);
++      pad_across_to (padding_not_printed - col_sep_width);
+       padding_not_printed = ANYWHERE;
+     }
+ 
+@@ -2011,13 +2134,13 @@
+       /* May be too generous. */
+       buff = X2REALLOC (buff, &buff_allocated);
+     }
+-  buff[buff_current++] = c;
++  buff[buff_current++] = (unsigned char) c;
+ }
+ 
+ static void
+ add_line_number (COLUMN *p)
+ {
+-  int i;
++  int i, j;
+   char *s;
+   int num_width;
+ 
+@@ -2034,22 +2157,24 @@
+       /* Tabification is assumed for multiple columns, also for n-separators,
+          but 'default n-separator = TAB' hasn't been given priority over
+          equal column_width also specified by POSIX. */
+-      if (number_separator == '\t')
++      if (number_separator[0] == '\t')
+         {
+           i = number_width - chars_per_number;
+           while (i-- > 0)
+             (p->char_func) (' ');
+         }
+       else
+-        (p->char_func) (number_separator);
++        for (j = 0; j < number_separator_length; j++)
++          (p->char_func) (number_separator[j]);
+     }
+   else
+     /* To comply with POSIX, we avoid any expansion of default TAB
+        separator with a single column output. No column_width requirement
+        has to be considered. */
+     {
+-      (p->char_func) (number_separator);
+-      if (number_separator == '\t')
++      for (j = 0; j < number_separator_length; j++)
++        (p->char_func) (number_separator[j]);
++      if (number_separator[0] == '\t')
+         output_position = POS_AFTER_TAB (chars_per_output_tab,
+                           output_position);
+     }
+@@ -2210,7 +2335,7 @@
+   while (goal - h_old > 1
+          && (h_new = POS_AFTER_TAB (chars_per_output_tab, h_old)) <= goal)
+     {
+-      putchar (output_tab_char);
++      fwrite (output_tab_char, sizeof(char), output_tab_char_length, stdout);
+       h_old = h_new;
+     }
+   while (++h_old <= goal)
+@@ -2230,6 +2355,7 @@
+ {
+   char *s;
+   int l = col_sep_length;
++  int not_space_flag;
+ 
+   s = col_sep_string;
+ 
+@@ -2243,6 +2369,7 @@
+     {
+       for (; separators_not_printed > 0; --separators_not_printed)
+         {
++          not_space_flag = 0;
+           while (l-- > 0)
+             {
+               /* 3 types of sep_strings: spaces only, spaces and chars,
+@@ -2256,12 +2383,15 @@
+                 }
+               else
+                 {
++                  not_space_flag = 1;
+                   if (spaces_not_printed > 0)
+                     print_white_space ();
+                   putchar (*s++);
+-                  ++output_position;
+                 }
+             }
++          if (not_space_flag)
++            output_position += col_sep_width;
++
+           /* sep_string ends with some spaces */
+           if (spaces_not_printed > 0)
+             print_white_space ();
+@@ -2289,7 +2419,7 @@
+    required number of tabs and spaces. */
+ 
+ static void
+-print_char (char c)
++print_char_single (char c)
+ {
+   if (tabify_output)
+     {
+@@ -2313,6 +2443,74 @@
+   putchar (c);
+ }
+ 
++#ifdef HAVE_MBRTOWC
++static void
++print_char_multi (char c)
++{
++  static size_t mbc_pos = 0;
++  static char mbc[MB_LEN_MAX] = {'\0'};
++  static mbstate_t state = {'\0'};
++  mbstate_t state_bak;
++  wchar_t wc;
++  size_t mblength;
++  int width;
++
++  if (tabify_output)
++    {
++      state_bak = state;
++      mbc[mbc_pos++] = c;
++      mblength = mbrtowc (&wc, mbc, mbc_pos, &state);
++
++      while (mbc_pos > 0)
++        {
++          switch (mblength)
++            {
++            case (size_t)-2:
++              state = state_bak;
++              return;
++
++            case (size_t)-1:
++              state = state_bak;
++              ++output_position;
++              putchar (mbc[0]);
++              memmove (mbc, mbc + 1, MB_CUR_MAX - 1);
++              --mbc_pos;
++              break;
++
++            case 0:
++              mblength = 1;
++
++            default:
++              if (wc == L' ')
++                {
++                  memmove (mbc, mbc + mblength, MB_CUR_MAX - mblength);
++                  --mbc_pos;
++                  ++spaces_not_printed;
++                  return;
++                }
++              else if (spaces_not_printed > 0)
++                print_white_space ();
++
++              /* Nonprintables are assumed to have width 0, except L'\b'. */
++              if ((width = wcwidth (wc)) < 1)
++                {
++                  if (wc == L'\b')
++                    --output_position;
++                }
++              else
++                output_position += width;
++
++              fwrite (mbc, sizeof(char), mblength, stdout);
++              memmove (mbc, mbc + mblength, MB_CUR_MAX - mblength);
++              mbc_pos -= mblength;
++            }
++        }
++      return;
++    }
++  putchar (c);
++}
++#endif
++
+ /* Skip to page PAGE before printing.
+    PAGE may be larger than total number of pages. */
+ 
+@@ -2492,9 +2690,9 @@
+           align_empty_cols = false;
+         }
+ 
+-      if (padding_not_printed - col_sep_length > 0)
++      if (padding_not_printed - col_sep_width > 0)
+         {
+-          pad_across_to (padding_not_printed - col_sep_length);
++          pad_across_to (padding_not_printed - col_sep_width);
+           padding_not_printed = ANYWHERE;
+         }
+ 
+@@ -2564,7 +2762,7 @@
+   int i;
+ 
+   int line = p->current_line++;
+-  char *first = &buff[line_vector[line]];
++  unsigned char *first = &buff[line_vector[line]];
+   /* FIXME
+      UMR: Uninitialized memory read:
+      * This is occurring while in:
+@@ -2576,7 +2774,7 @@
+      xmalloc        [xmalloc.c:94]
+      init_store_cols [pr.c:1648]
+      */
+-  char *last = &buff[line_vector[line + 1]];
++  unsigned char *last = &buff[line_vector[line + 1]];
+ 
+   pad_vertically = true;
+ 
+@@ -2595,9 +2793,9 @@
+         }
+     }
+ 
+-  if (padding_not_printed - col_sep_length > 0)
++  if (padding_not_printed - col_sep_width > 0)
+     {
+-      pad_across_to (padding_not_printed - col_sep_length);
++      pad_across_to (padding_not_printed - col_sep_width);
+       padding_not_printed = ANYWHERE;
+     }
+ 
+@@ -2610,8 +2808,8 @@
+   if (spaces_not_printed == 0)
+     {
+       output_position = p->start_position + end_vector[line];
+-      if (p->start_position - col_sep_length == chars_per_margin)
+-        output_position -= col_sep_length;
++      if (p->start_position - col_sep_width == chars_per_margin)
++        output_position -= col_sep_width;
+     }
+ 
+   return true;
+@@ -2630,7 +2828,7 @@
+    number of characters is 1.) */
+ 
+ static int
+-char_to_clump (char c)
++char_to_clump_single (char c)
+ {
+   unsigned char uc = c;
+   char *s = clump_buff;
+@@ -2640,10 +2838,10 @@
+   int chars;
+   int chars_per_c = 8;
+ 
+-  if (c == input_tab_char)
++  if (c == input_tab_char[0])
+     chars_per_c = chars_per_input_tab;
+ 
+-  if (c == input_tab_char || c == '\t')
++  if (c == input_tab_char[0] || c == '\t')
+     {
+       width = TAB_WIDTH (chars_per_c, input_position);
+ 
+@@ -2724,6 +2922,164 @@
+   return chars;
+ }
+ 
++#ifdef HAVE_MBRTOWC
++static int
++char_to_clump_multi (char c)
++{
++  static size_t mbc_pos = 0;
++  static char mbc[MB_LEN_MAX] = {'\0'};
++  static mbstate_t state = {'\0'};
++  mbstate_t state_bak;
++  wchar_t wc;
++  size_t mblength;
++  int wc_width;
++  register char *s = clump_buff;
++  register int i, j;
++  char esc_buff[4];
++  int width;
++  int chars;
++  int chars_per_c = 8;
++
++  state_bak = state;
++  mbc[mbc_pos++] = c;
++  mblength = mbrtowc (&wc, mbc, mbc_pos, &state);
++
++  width = 0;
++  chars = 0;
++  while (mbc_pos > 0)
++    {
++      switch (mblength)
++        {
++        case (size_t)-2:
++          state = state_bak;
++          return 0;
++
++        case (size_t)-1:
++          state = state_bak;
++          mblength = 1;
++
++          if (use_esc_sequence || use_cntrl_prefix)
++            {
++              width = +4;
++              chars = +4;
++              *s++ = '\\';
++              sprintf (esc_buff, "%03o", (unsigned char) mbc[0]);
++              for (i = 0; i <= 2; ++i)
++                *s++ = (int) esc_buff[i];
++            }
++          else
++            {
++              width += 1;
++              chars += 1;
++              *s++ = mbc[0];
++            }
++          break;
++
++        case 0:
++          mblength = 1;
++                /* Fall through */
++
++        default:
++          if (memcmp (mbc, input_tab_char, mblength) == 0)
++            chars_per_c = chars_per_input_tab;
++
++          if (memcmp (mbc, input_tab_char, mblength) == 0 || c == '\t')
++            {
++              int  width_inc;
++
++              width_inc = TAB_WIDTH (chars_per_c, input_position);
++              width += width_inc;
++
++              if (untabify_input)
++                {
++                  for (i = width_inc; i; --i)
++                    *s++ = ' ';
++                  chars += width_inc;
++                }
++              else
++                {
++                  for (i = 0; i <  mblength; i++)
++                    *s++ = mbc[i];
++                  chars += mblength;
++                }
++            }
++          else if ((wc_width = wcwidth (wc)) < 1)
++            {
++              if (use_esc_sequence)
++                {
++                  for (i = 0; i < mblength; i++)
++                    {
++                      width += 4;
++                      chars += 4;
++                      *s++ = '\\';
++                      sprintf (esc_buff, "%03o", (unsigned char) mbc[i]);
++                      for (j = 0; j <= 2; ++j)
++                        *s++ = (int) esc_buff[j];
++                    }
++                }
++              else if (use_cntrl_prefix)
++                {
++                  if (wc < 0200)
++                    {
++                      width += 2;
++                      chars += 2;
++                      *s++ = '^';
++                      *s++ = wc ^ 0100;
++                    }
++                  else
++                    {
++                      for (i = 0; i < mblength; i++)
++                        {
++                          width += 4;
++                          chars += 4;
++                          *s++ = '\\';
++                          sprintf (esc_buff, "%03o", (unsigned char) mbc[i]);
++                          for (j = 0; j <= 2; ++j)
++                            *s++ = (int) esc_buff[j];
++                        }
++                    }
++                }
++              else if (wc == L'\b')
++                {
++                  width += -1;
++                  chars += 1;
++                  *s++ = c;
++                }
++              else
++                {
++                  width += 0;
++                  chars += mblength;
++                  for (i = 0; i < mblength; i++)
++                    *s++ = mbc[i];
++                }
++            }
++          else
++            {
++              width += wc_width;
++              chars += mblength;
++              for (i = 0; i < mblength; i++)
++                *s++ = mbc[i];
++            }
++        }
++      memmove (mbc, mbc + mblength, MB_CUR_MAX - mblength);
++      mbc_pos -= mblength;
++    }
++
++  /* Too many backspaces must put us in position 0 -- never negative. */
++  if (width < 0 && input_position == 0)
++    {
++      chars = 0;
++      input_position = 0;
++    }
++  else if (width < 0 && input_position <= -width)
++    input_position = 0;
++  else
++   input_position += width;
++
++  return chars;
++}
++#endif
++
+ /* We've just printed some files and need to clean up things before
+    looking for more options and printing the next batch of files.
+ 
+diff -Naur coreutils-8.22.orig/src/sort.c coreutils-8.22/src/sort.c
+--- coreutils-8.22.orig/src/sort.c	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/src/sort.c	2014-01-15 11:34:10.413909085 +0100
+@@ -29,6 +29,14 @@
+ #include <sys/wait.h>
+ #include <signal.h>
+ #include <assert.h>
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++/* Get isw* functions. */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++
+ #include "system.h"
+ #include "argmatch.h"
+ #include "error.h"
+@@ -164,14 +172,39 @@
+ /* Thousands separator; if -1, then there isn't one.  */
+ static int thousands_sep;
+ 
++/* True if -f is specified.  */
++static bool folding;
++
+ /* Nonzero if the corresponding locales are hard.  */
+ static bool hard_LC_COLLATE;
+-#if HAVE_NL_LANGINFO
++#if HAVE_LANGINFO_CODESET
+ static bool hard_LC_TIME;
+ #endif
+ 
+ #define NONZERO(x) ((x) != 0)
+ 
++/* get a multibyte character's byte length. */
++#define GET_BYTELEN_OF_CHAR(LIM, PTR, MBLENGTH, STATE)                        \
++  do                                                                        \
++    {                                                                        \
++      wchar_t wc;                                                        \
++      mbstate_t state_bak;                                                \
++                                                                        \
++      state_bak = STATE;                                                \
++      mblength = mbrtowc (&wc, PTR, LIM - PTR, &STATE);                        \
++                                                                        \
++      switch (MBLENGTH)                                                        \
++        {                                                                \
++        case (size_t)-1:                                                \
++        case (size_t)-2:                                                \
++          STATE = state_bak;                                                \
++                /* Fall through. */                                        \
++        case 0:                                                                \
++          MBLENGTH = 1;                                                        \
++      }                                                                        \
++    }                                                                        \
++  while (0)
++
+ /* The kind of blanks for '-b' to skip in various options. */
+ enum blanktype { bl_start, bl_end, bl_both };
+ 
+@@ -345,13 +378,11 @@
+    they were read if all keys compare equal.  */
+ static bool stable;
+ 
+-/* If TAB has this value, blanks separate fields.  */
+-enum { TAB_DEFAULT = CHAR_MAX + 1 };
+-
+-/* Tab character separating fields.  If TAB_DEFAULT, then fields are
++/* Tab character separating fields.  If tab_length is 0, then fields are
+    separated by the empty string between a non-blank character and a blank
+    character. */
+-static int tab = TAB_DEFAULT;
++static char tab[MB_LEN_MAX + 1];
++static size_t tab_length = 0;
+ 
+ /* Flag to remove consecutive duplicate lines from the output.
+    Only the last of a sequence of equal lines will be output. */
+@@ -811,6 +842,46 @@
+     reap (-1);
+ }
+ 
++/* Function pointers. */
++static void
++(*inittables) (void);
++static char *
++(*begfield) (const struct line*, const struct keyfield *);
++static char *
++(*limfield) (const struct line*, const struct keyfield *);
++static void
++(*skipblanks) (char **ptr, char *lim);
++static int
++(*getmonth) (char const *, size_t, char **);
++static int
++(*keycompare) (const struct line *, const struct line *);
++static int
++(*numcompare) (const char *, const char *);
++
++/* Test for white space multibyte character.
++   Set LENGTH the byte length of investigated multibyte character. */
++#if HAVE_MBRTOWC
++static int
++ismbblank (const char *str, size_t len, size_t *length)
++{
++  size_t mblength;
++  wchar_t wc;
++  mbstate_t state;
++
++  memset (&state, '\0', sizeof(mbstate_t));
++  mblength = mbrtowc (&wc, str, len, &state);
++
++  if (mblength == (size_t)-1 || mblength == (size_t)-2)
++    {
++      *length = 1;
++      return 0;
++    }
++
++  *length = (mblength < 1) ? 1 : mblength;
++  return iswblank (wc);
++}
++#endif
++
+ /* Clean up any remaining temporary files.  */
+ 
+ static void
+@@ -1255,7 +1326,7 @@
+   free (node);
+ }
+ 
+-#if HAVE_NL_LANGINFO
++#if HAVE_LANGINFO_CODESET
+ 
+ static int
+ struct_month_cmp (void const *m1, void const *m2)
+@@ -1270,7 +1341,7 @@
+ /* Initialize the character class tables. */
+ 
+ static void
+-inittables (void)
++inittables_uni (void)
+ {
+   size_t i;
+ 
+@@ -1282,7 +1353,7 @@
+       fold_toupper[i] = toupper (i);
+     }
+ 
+-#if HAVE_NL_LANGINFO
++#if HAVE_LANGINFO_CODESET
+   /* If we're not in the "C" locale, read different names for months.  */
+   if (hard_LC_TIME)
+     {
+@@ -1364,6 +1435,84 @@
+     xstrtol_fatal (e, oi, c, long_options, s);
+ }
+ 
++#if HAVE_MBRTOWC
++static void
++inittables_mb (void)
++{
++  int i, j, k, l;
++  char *name, *s, *lc_time, *lc_ctype;
++  size_t s_len, mblength;
++  char mbc[MB_LEN_MAX];
++  wchar_t wc, pwc;
++  mbstate_t state_mb, state_wc;
++
++  lc_time = setlocale (LC_TIME, "");
++  if (lc_time)
++    lc_time = xstrdup (lc_time);
++
++  lc_ctype = setlocale (LC_CTYPE, "");
++  if (lc_ctype)
++    lc_ctype = xstrdup (lc_ctype);
++
++  if (lc_time && lc_ctype)
++    /* temporarily set LC_CTYPE to match LC_TIME, so that we can convert
++     * the names of months to upper case */
++    setlocale (LC_CTYPE, lc_time);
++
++  for (i = 0; i < MONTHS_PER_YEAR; i++)
++    {
++      s = (char *) nl_langinfo (ABMON_1 + i);
++      s_len = strlen (s);
++      monthtab[i].name = name = (char *) xmalloc (s_len + 1);
++      monthtab[i].val = i + 1;
++
++      memset (&state_mb, '\0', sizeof (mbstate_t));
++      memset (&state_wc, '\0', sizeof (mbstate_t));
++
++      for (j = 0; j < s_len;)
++        {
++          if (!ismbblank (s + j, s_len - j, &mblength))
++            break;
++          j += mblength;
++        }
++
++      for (k = 0; j < s_len;)
++        {
++          mblength = mbrtowc (&wc, (s + j), (s_len - j), &state_mb);
++          assert (mblength != (size_t)-1 && mblength != (size_t)-2);
++          if (mblength == 0)
++            break;
++
++          pwc = towupper (wc);
++          if (pwc == wc)
++            {
++              memcpy (mbc, s + j, mblength);
++              j += mblength;
++            }
++          else
++            {
++              j += mblength;
++              mblength = wcrtomb (mbc, pwc, &state_wc);
++              assert (mblength != (size_t)0 && mblength != (size_t)-1);
++            }
++
++          for (l = 0; l < mblength; l++)
++            name[k++] = mbc[l];
++        }
++      name[k] = '\0';
++    }
++  qsort ((void *) monthtab, MONTHS_PER_YEAR,
++      sizeof (struct month), struct_month_cmp);
++
++  if (lc_time && lc_ctype)
++    /* restore the original locales */
++    setlocale (LC_CTYPE, lc_ctype);
++
++  free (lc_ctype);
++  free (lc_time);
++}
++#endif
++
+ /* Specify the amount of main memory to use when sorting.  */
+ static void
+ specify_sort_size (int oi, char c, char const *s)
+@@ -1597,7 +1746,7 @@
+    by KEY in LINE. */
+ 
+ static char *
+-begfield (struct line const *line, struct keyfield const *key)
++begfield_uni (const struct line *line, const struct keyfield *key)
+ {
+   char *ptr = line->text, *lim = ptr + line->length - 1;
+   size_t sword = key->sword;
+@@ -1606,10 +1755,10 @@
+   /* The leading field separator itself is included in a field when -t
+      is absent.  */
+ 
+-  if (tab != TAB_DEFAULT)
++  if (tab_length)
+     while (ptr < lim && sword--)
+       {
+-        while (ptr < lim && *ptr != tab)
++        while (ptr < lim && *ptr != tab[0])
+           ++ptr;
+         if (ptr < lim)
+           ++ptr;
+@@ -1635,11 +1784,70 @@
+   return ptr;
+ }
+ 
++#if HAVE_MBRTOWC
++static char *
++begfield_mb (const struct line *line, const struct keyfield *key)
++{
++  int i;
++  char *ptr = line->text, *lim = ptr + line->length - 1;
++  size_t sword = key->sword;
++  size_t schar = key->schar;
++  size_t mblength;
++  mbstate_t state;
++
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  if (tab_length)
++    while (ptr < lim && sword--)
++      {
++        while (ptr < lim && memcmp (ptr, tab, tab_length) != 0)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++        if (ptr < lim)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++      }
++  else
++    while (ptr < lim && sword--)
++      {
++        while (ptr < lim && ismbblank (ptr, lim - ptr, &mblength))
++          ptr += mblength;
++        if (ptr < lim)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++        while (ptr < lim && !ismbblank (ptr, lim - ptr, &mblength))
++          ptr += mblength;
++      }
++
++  if (key->skipsblanks)
++    while (ptr < lim && ismbblank (ptr, lim - ptr, &mblength))
++      ptr += mblength;
++
++  for (i = 0; i < schar; i++)
++    {
++      GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++
++      if (ptr + mblength > lim)
++        break;
++      else
++        ptr += mblength;
++    }
++
++  return ptr;
++}
++#endif
++
+ /* Return the limit of (a pointer to the first character after) the field
+    in LINE specified by KEY. */
+ 
+ static char *
+-limfield (struct line const *line, struct keyfield const *key)
++limfield_uni (const struct line *line, const struct keyfield *key)
+ {
+   char *ptr = line->text, *lim = ptr + line->length - 1;
+   size_t eword = key->eword, echar = key->echar;
+@@ -1654,10 +1862,10 @@
+      'beginning' is the first character following the delimiting TAB.
+      Otherwise, leave PTR pointing at the first 'blank' character after
+      the preceding field.  */
+-  if (tab != TAB_DEFAULT)
++  if (tab_length)
+     while (ptr < lim && eword--)
+       {
+-        while (ptr < lim && *ptr != tab)
++        while (ptr < lim && *ptr != tab[0])
+           ++ptr;
+         if (ptr < lim && (eword || echar))
+           ++ptr;
+@@ -1703,10 +1911,10 @@
+      */
+ 
+   /* Make LIM point to the end of (one byte past) the current field.  */
+-  if (tab != TAB_DEFAULT)
++  if (tab_length)
+     {
+       char *newlim;
+-      newlim = memchr (ptr, tab, lim - ptr);
++      newlim = memchr (ptr, tab[0], lim - ptr);
+       if (newlim)
+         lim = newlim;
+     }
+@@ -1737,6 +1945,130 @@
+   return ptr;
+ }
+ 
++#if HAVE_MBRTOWC
++static char *
++limfield_mb (const struct line *line, const struct keyfield *key)
++{
++  char *ptr = line->text, *lim = ptr + line->length - 1;
++  size_t eword = key->eword, echar = key->echar;
++  int i;
++  size_t mblength;
++  mbstate_t state;
++
++  if (echar == 0)
++    eword++; /* skip all of end field. */
++
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  if (tab_length)
++    while (ptr < lim && eword--)
++      {
++        while (ptr < lim && memcmp (ptr, tab, tab_length) != 0)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++        if (ptr < lim && (eword | echar))
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++      }
++  else
++    while (ptr < lim && eword--)
++      {
++        while (ptr < lim && ismbblank (ptr, lim - ptr, &mblength))
++          ptr += mblength;
++        if (ptr < lim)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++        while (ptr < lim && !ismbblank (ptr, lim - ptr, &mblength))
++          ptr += mblength;
++      }
++
++
++# ifdef POSIX_UNSPECIFIED
++  /* Make LIM point to the end of (one byte past) the current field.  */
++  if (tab_length)
++    {
++      char *newlim, *p;
++
++      newlim = NULL;
++      for (p = ptr; p < lim;)
++         {
++          if (memcmp (p, tab, tab_length) == 0)
++            {
++              newlim = p;
++              break;
++            }
++
++          GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++          p += mblength;
++        }
++    }
++  else
++    {
++      char *newlim;
++      newlim = ptr;
++
++      while (newlim < lim && ismbblank (newlim, lim - newlim, &mblength))
++        newlim += mblength;
++      if (ptr < lim)
++        {
++          GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++          ptr += mblength;
++        }
++      while (newlim < lim && !ismbblank (newlim, lim - newlim, &mblength))
++        newlim += mblength;
++      lim = newlim;
++    }
++# endif
++
++  if (echar != 0)
++  {
++    /* If we're skipping leading blanks, don't start counting characters
++     *      until after skipping past any leading blanks.  */
++    if (key->skipeblanks)
++      while (ptr < lim && ismbblank (ptr, lim - ptr, &mblength))
++        ptr += mblength;
++
++    memset (&state, '\0', sizeof(mbstate_t));
++
++    /* Advance PTR by ECHAR (if possible), but no further than LIM.  */
++    for (i = 0; i < echar; i++)
++     {
++        GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++
++        if (ptr + mblength > lim)
++          break;
++        else
++          ptr += mblength;
++      }
++  }
++
++  return ptr;
++}
++#endif
++
++static void
++skipblanks_uni (char **ptr, char *lim)
++{
++  while (*ptr < lim && blanks[to_uchar (**ptr)])
++    ++(*ptr);
++}
++
++#if HAVE_MBRTOWC
++static void
++skipblanks_mb (char **ptr, char *lim)
++{
++  size_t mblength;
++  while (*ptr < lim && ismbblank (*ptr, lim - *ptr, &mblength))
++    (*ptr) += mblength;
++}
++#endif
++
+ /* Fill BUF reading from FP, moving buf->left bytes from the end
+    of buf->buf to the beginning first.  If EOF is reached and the
+    file wasn't terminated by a newline, supply one.  Set up BUF's line
+@@ -1823,8 +2155,22 @@
+                   else
+                     {
+                       if (key->skipsblanks)
+-                        while (blanks[to_uchar (*line_start)])
+-                          line_start++;
++                        {
++#if HAVE_MBRTOWC
++                          if (MB_CUR_MAX > 1)
++                            {
++                              size_t mblength;
++                              while (line_start < line->keylim &&
++                                     ismbblank (line_start,
++                                                line->keylim - line_start,
++                                                &mblength))
++                                line_start += mblength;
++                            }
++                          else
++#endif
++                          while (blanks[to_uchar (*line_start)])
++                            line_start++;
++                        }
+                       line->keybeg = line_start;
+                     }
+                 }
+@@ -1945,7 +2291,7 @@
+    hideously fast. */
+ 
+ static int
+-numcompare (char const *a, char const *b)
++numcompare_uni (const char *a, const char *b)
+ {
+   while (blanks[to_uchar (*a)])
+     a++;
+@@ -1955,6 +2301,25 @@
+   return strnumcmp (a, b, decimal_point, thousands_sep);
+ }
+ 
++#if HAVE_MBRTOWC
++static int
++numcompare_mb (const char *a, const char *b)
++{
++  size_t mblength, len;
++  len = strlen (a); /* okay for UTF-8 */
++  while (*a && ismbblank (a, len > MB_CUR_MAX ? MB_CUR_MAX : len, &mblength))
++    {
++      a += mblength;
++      len -= mblength;
++    }
++  len = strlen (b); /* okay for UTF-8 */
++  while (*b && ismbblank (b, len > MB_CUR_MAX ? MB_CUR_MAX : len, &mblength))
++    b += mblength;
++
++  return strnumcmp (a, b, decimal_point, thousands_sep);
++}
++#endif /* HAV_EMBRTOWC */
++
+ /* Work around a problem whereby the long double value returned by glibc's
+    strtold ("NaN", ...) contains uninitialized bits: clear all bytes of
+    A and B before calling strtold.  FIXME: remove this function once
+@@ -2005,7 +2370,7 @@
+    Return 0 if the name in S is not recognized.  */
+ 
+ static int
+-getmonth (char const *month, char **ea)
++getmonth_uni (char const *month, size_t len, char **ea)
+ {
+   size_t lo = 0;
+   size_t hi = MONTHS_PER_YEAR;
+@@ -2280,15 +2645,14 @@
+           char saved = *lim;
+           *lim = '\0';
+ 
+-          while (blanks[to_uchar (*beg)])
+-            beg++;
++          skipblanks (&beg, lim);
+ 
+           char *tighter_lim = beg;
+ 
+           if (lim < beg)
+             tighter_lim = lim;
+           else if (key->month)
+-            getmonth (beg, &tighter_lim);
++            getmonth (beg, lim-beg, &tighter_lim);
+           else if (key->general_numeric)
+             ignore_value (strtold (beg, &tighter_lim));
+           else if (key->numeric || key->human_numeric)
+@@ -2432,7 +2796,7 @@
+       bool maybe_space_aligned = !hard_LC_COLLATE && default_key_compare (key)
+                                  && !(key->schar || key->echar);
+       bool line_offset = key->eword == 0 && key->echar != 0; /* -k1.x,1.y  */
+-      if (!gkey_only && tab == TAB_DEFAULT && !line_offset
++      if (!gkey_only && !tab_length && !line_offset
+           && ((!key->skipsblanks && !(implicit_skip || maybe_space_aligned))
+               || (!key->skipsblanks && key->schar)
+               || (!key->skipeblanks && key->echar)))
+@@ -2490,11 +2854,87 @@
+     error (0, 0, _("option '-r' only applies to last-resort comparison"));
+ }
+ 
++#if HAVE_MBRTOWC
++static int
++getmonth_mb (const char *s, size_t len, char **ea)
++{
++  char *month;
++  register size_t i;
++  register int lo = 0, hi = MONTHS_PER_YEAR, result;
++  char *tmp;
++  size_t wclength, mblength;
++  const char **pp;
++  const wchar_t **wpp;
++  wchar_t *month_wcs;
++  mbstate_t state;
++
++  while (len > 0 && ismbblank (s, len, &mblength))
++    {
++      s += mblength;
++      len -= mblength;
++    }
++
++  if (len == 0)
++    return 0;
++
++  month = (char *) xmalloc (len + 1);
++
++  tmp = (char *) xmalloc (len + 1);
++  memcpy (tmp, s, len);
++  tmp[len] = '\0';
++  pp = (const char **)&tmp;
++  month_wcs = (wchar_t *) xmalloc ((len + 1) * sizeof (wchar_t));
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  wclength = mbsrtowcs (month_wcs, pp, len + 1, &state);
++  if (wclength == (size_t)-1 || *pp != NULL)
++    error (SORT_FAILURE, 0, _("Invalid multibyte input %s."), quote(s));
++
++  for (i = 0; i < wclength; i++)
++    {
++      month_wcs[i] = towupper(month_wcs[i]);
++      if (iswblank (month_wcs[i]))
++        {
++          month_wcs[i] = L'\0';
++          break;
++        }
++    }
++
++  wpp = (const wchar_t **)&month_wcs;
++
++  mblength = wcsrtombs (month, wpp, len + 1, &state);
++  assert (mblength != (-1) && *wpp == NULL);
++
++  do
++    {
++      int ix = (lo + hi) / 2;
++
++      if (strncmp (month, monthtab[ix].name, strlen (monthtab[ix].name)) < 0)
++        hi = ix;
++      else
++        lo = ix;
++    }
++  while (hi - lo > 1);
++
++  result = (!strncmp (month, monthtab[lo].name, strlen (monthtab[lo].name))
++      ? monthtab[lo].val : 0);
++
++  if (ea && result)
++     *ea = (char*) s + strlen (monthtab[lo].name);
++
++  free (month);
++  free (tmp);
++  free (month_wcs);
++
++  return result;
++}
++#endif
++
+ /* Compare two lines A and B trying every key in sequence until there
+    are no more keys or a difference is found. */
+ 
+ static int
+-keycompare (struct line const *a, struct line const *b)
++keycompare_uni (const struct line *a, const struct line *b)
+ {
+   struct keyfield *key = keylist;
+ 
+@@ -2579,7 +3019,7 @@
+           else if (key->human_numeric)
+             diff = human_numcompare (ta, tb);
+           else if (key->month)
+-            diff = getmonth (ta, NULL) - getmonth (tb, NULL);
++            diff = getmonth (ta, tlena, NULL) - getmonth (tb, tlenb, NULL);
+           else if (key->random)
+             diff = compare_random (ta, tlena, tb, tlenb);
+           else if (key->version)
+@@ -2695,6 +3135,191 @@
+   return key->reverse ? -diff : diff;
+ }
+ 
++#if HAVE_MBRTOWC
++static int
++keycompare_mb (const struct line *a, const struct line *b)
++{
++  struct keyfield *key = keylist;
++
++  /* For the first iteration only, the key positions have been
++     precomputed for us. */
++  char *texta = a->keybeg;
++  char *textb = b->keybeg;
++  char *lima = a->keylim;
++  char *limb = b->keylim;
++
++  size_t mblength_a, mblength_b;
++  wchar_t wc_a, wc_b;
++  mbstate_t state_a, state_b;
++
++  int diff = 0;
++
++  memset (&state_a, '\0', sizeof(mbstate_t));
++  memset (&state_b, '\0', sizeof(mbstate_t));
++  /* Ignore keys with start after end.  */
++  if (a->keybeg - a->keylim > 0)
++    return 0;
++
++
++              /* Ignore and/or translate chars before comparing.  */
++# define IGNORE_CHARS(NEW_LEN, LEN, TEXT, COPY, WC, MBLENGTH, STATE)        \
++  do                                                                        \
++    {                                                                        \
++      wchar_t uwc;                                                        \
++      char mbc[MB_LEN_MAX];                                                \
++      mbstate_t state_wc;                                                \
++                                                                        \
++      for (NEW_LEN = i = 0; i < LEN;)                                        \
++        {                                                                \
++          mbstate_t state_bak;                                                \
++                                                                        \
++          state_bak = STATE;                                                \
++          MBLENGTH = mbrtowc (&WC, TEXT + i, LEN - i, &STATE);                \
++                                                                        \
++          if (MBLENGTH == (size_t)-2 || MBLENGTH == (size_t)-1                \
++              || MBLENGTH == 0)                                                \
++            {                                                                \
++              if (MBLENGTH == (size_t)-2 || MBLENGTH == (size_t)-1)        \
++                STATE = state_bak;                                        \
++              if (!ignore)                                                \
++                COPY[NEW_LEN++] = TEXT[i];                                \
++              i++;                                                         \
++              continue;                                                        \
++            }                                                                \
++                                                                        \
++          if (ignore)                                                        \
++            {                                                                \
++              if ((ignore == nonprinting && !iswprint (WC))                \
++                   || (ignore == nondictionary                                \
++                       && !iswalnum (WC) && !iswblank (WC)))                \
++                {                                                        \
++                  i += MBLENGTH;                                        \
++                  continue;                                                \
++                }                                                        \
++            }                                                                \
++                                                                        \
++          if (translate)                                                \
++            {                                                                \
++                                                                        \
++              uwc = towupper(WC);                                        \
++              if (WC == uwc)                                                \
++                {                                                        \
++                  memcpy (mbc, TEXT + i, MBLENGTH);                        \
++                  i += MBLENGTH;                                        \
++                }                                                        \
++              else                                                        \
++                {                                                        \
++                  i += MBLENGTH;                                        \
++                  WC = uwc;                                                \
++                  memset (&state_wc, '\0', sizeof (mbstate_t));                \
++                                                                        \
++                  MBLENGTH = wcrtomb (mbc, WC, &state_wc);                \
++                  assert (MBLENGTH != (size_t)-1 && MBLENGTH != 0);        \
++                }                                                        \
++                                                                        \
++              for (j = 0; j < MBLENGTH; j++)                                \
++                COPY[NEW_LEN++] = mbc[j];                                \
++            }                                                                \
++          else                                                                \
++            for (j = 0; j < MBLENGTH; j++)                                \
++              COPY[NEW_LEN++] = TEXT[i++];                                \
++        }                                                                \
++      COPY[NEW_LEN] = '\0';                                                \
++    }                                                                        \
++  while (0)
++
++      /* Actually compare the fields. */
++
++  for (;;)
++    {
++      /* Find the lengths. */
++      size_t lena = lima <= texta ? 0 : lima - texta;
++      size_t lenb = limb <= textb ? 0 : limb - textb;
++
++      char const *translate = key->translate;
++      bool const *ignore = key->ignore;
++
++      if (ignore || translate)
++        {
++          char *copy_a = (char *) xmalloc (lena + 1 + lenb + 1);
++          char *copy_b = copy_a + lena + 1;
++          size_t new_len_a, new_len_b;
++          size_t i, j;
++
++          IGNORE_CHARS (new_len_a, lena, texta, copy_a,
++                        wc_a, mblength_a, state_a);
++          IGNORE_CHARS (new_len_b, lenb, textb, copy_b,
++                        wc_b, mblength_b, state_b);
++          texta = copy_a; textb = copy_b;
++          lena = new_len_a; lenb = new_len_b;
++        }
++
++      if (key->random)
++        diff = compare_random (texta, lena, textb, lenb);
++      else if (key->numeric | key->general_numeric | key->human_numeric)
++        {
++          char savea = *lima, saveb = *limb;
++
++          *lima = *limb = '\0';
++          diff = (key->numeric ? numcompare (texta, textb)
++                  : key->general_numeric ? general_numcompare (texta, textb)
++                  : human_numcompare (texta, textb));
++          *lima = savea, *limb = saveb;
++        }
++      else if (key->version)
++        diff = filevercmp (texta, textb);
++      else if (key->month)
++        diff = getmonth (texta, lena, NULL) - getmonth (textb, lenb, NULL);
++      else if (lena == 0)
++        diff = - NONZERO (lenb);
++      else if (lenb == 0)
++        diff = 1;
++      else if (hard_LC_COLLATE && !folding)
++        {
++          diff = xmemcoll0 (texta, lena, textb, lenb);
++        }
++      else
++        diff = memcmp (texta, textb, MIN (lena + 1,lenb + 1));
++
++      if (ignore || translate)
++        free (texta);
++
++      if (diff)
++        goto not_equal;
++
++      key = key->next;
++      if (! key)
++        break;
++
++      /* Find the beginning and limit of the next field.  */
++      if (key->eword != -1)
++        lima = limfield (a, key), limb = limfield (b, key);
++      else
++        lima = a->text + a->length - 1, limb = b->text + b->length - 1;
++
++      if (key->sword != -1)
++        texta = begfield (a, key), textb = begfield (b, key);
++      else
++        {
++          texta = a->text, textb = b->text;
++          if (key->skipsblanks)
++            {
++              while (texta < lima && ismbblank (texta, lima - texta, &mblength_a))
++                texta += mblength_a;
++              while (textb < limb && ismbblank (textb, limb - textb, &mblength_b))
++                textb += mblength_b;
++            }
++        }
++    }
++
++not_equal:
++  if (key && key->reverse)
++    return -diff;
++  else
++    return diff;
++}
++#endif
++
+ /* Compare two lines A and B, returning negative, zero, or positive
+    depending on whether A compares less than, equal to, or greater than B. */
+ 
+@@ -2722,7 +3347,7 @@
+     diff = - NONZERO (blen);
+   else if (blen == 0)
+     diff = 1;
+-  else if (hard_LC_COLLATE)
++  else if (hard_LC_COLLATE && !folding)
+     {
+       /* Note xmemcoll0 is a performance enhancement as
+          it will not unconditionally write '\0' after the
+@@ -4113,6 +4738,7 @@
+           break;
+         case 'f':
+           key->translate = fold_toupper;
++          folding = true;
+           break;
+         case 'g':
+           key->general_numeric = true;
+@@ -4190,7 +4816,7 @@
+   initialize_exit_failure (SORT_FAILURE);
+ 
+   hard_LC_COLLATE = hard_locale (LC_COLLATE);
+-#if HAVE_NL_LANGINFO
++#if HAVE_LANGINFO_CODESET
+   hard_LC_TIME = hard_locale (LC_TIME);
+ #endif
+ 
+@@ -4211,6 +4837,29 @@
+       thousands_sep = -1;
+   }
+ 
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    {
++      inittables = inittables_mb;
++      begfield = begfield_mb;
++      limfield = limfield_mb;
++      skipblanks = skipblanks_mb;
++      getmonth = getmonth_mb;
++      keycompare = keycompare_mb;
++      numcompare = numcompare_mb;
++    }
++  else
++#endif
++    {
++      inittables = inittables_uni;
++      begfield = begfield_uni;
++      limfield = limfield_uni;
++      skipblanks = skipblanks_uni;
++      getmonth = getmonth_uni;
++      keycompare = keycompare_uni;
++      numcompare = numcompare_uni;
++    }
++
+   have_read_stdin = false;
+   inittables ();
+ 
+@@ -4485,13 +5134,34 @@
+ 
+         case 't':
+           {
+-            char newtab = optarg[0];
+-            if (! newtab)
++            char newtab[MB_LEN_MAX + 1];
++            size_t newtab_length = 1;
++            strncpy (newtab, optarg, MB_LEN_MAX);
++            if (! newtab[0])
+               error (SORT_FAILURE, 0, _("empty tab"));
+-            if (optarg[1])
++#if HAVE_MBRTOWC
++            if (MB_CUR_MAX > 1)
++              {
++                wchar_t wc;
++                mbstate_t state;
++
++                memset (&state, '\0', sizeof (mbstate_t));
++                newtab_length = mbrtowc (&wc, newtab, strnlen (newtab,
++                                                               MB_LEN_MAX),
++                                         &state);
++                switch (newtab_length)
++                  {
++                  case (size_t) -1:
++                  case (size_t) -2:
++                  case 0:
++                    newtab_length = 1;
++                  }
++              }
++#endif
++            if (newtab_length == 1 && optarg[1])
+               {
+                 if (STREQ (optarg, "\\0"))
+-                  newtab = '\0';
++                  newtab[0] = '\0';
+                 else
+                   {
+                     /* Provoke with 'sort -txx'.  Complain about
+@@ -4502,9 +5172,12 @@
+                            quote (optarg));
+                   }
+               }
+-            if (tab != TAB_DEFAULT && tab != newtab)
++            if (tab_length
++                && (tab_length != newtab_length
++                    || memcmp (tab, newtab, tab_length) != 0))
+               error (SORT_FAILURE, 0, _("incompatible tabs"));
+-            tab = newtab;
++            memcpy (tab, newtab, newtab_length);
++            tab_length = newtab_length;
+           }
+           break;
+ 
+diff -Naur coreutils-8.22.orig/src/unexpand.c coreutils-8.22/src/unexpand.c
+--- coreutils-8.22.orig/src/unexpand.c	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/src/unexpand.c	2014-01-15 11:34:10.413909085 +0100
+@@ -38,12 +38,29 @@
+ #include <stdio.h>
+ #include <getopt.h>
+ #include <sys/types.h>
++
++/* Get mbstate_t, mbrtowc(), wcwidth(). */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+ #include "quote.h"
+ #include "xstrndup.h"
+ 
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++      installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "unexpand"
+ 
+@@ -103,6 +120,210 @@
+   {NULL, 0, NULL, 0}
+ };
+ 
++static FILE *next_file (FILE *fp);
++
++#if HAVE_MBRTOWC
++static void
++unexpand_multibyte (void)
++{
++  FILE *fp;			/* Input stream. */
++  mbstate_t i_state;		/* Current shift state of the input stream. */
++  mbstate_t i_state_bak;	/* Back up the I_STATE. */
++  mbstate_t o_state;		/* Current shift state of the output stream. */
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  char *bufpos = buf;			/* Next read position of BUF. */
++  size_t buflen = 0;		/* The length of the byte sequence in buf. */
++  wint_t wc;			/* A gotten wide character. */
++  size_t mblength;		/* The byte size of a multibyte character
++				   which shows as same character as WC. */
++  bool prev_tab = false;
++
++  /* Index in `tab_list' of next tabstop: */
++  int tab_index = 0;		/* For calculating width of pending tabs. */
++  int print_tab_index = 0;	/* For printing as many tabs as possible. */
++  unsigned int column = 0;	/* Column on screen of next char. */
++  int next_tab_column;		/* Column the next tab stop is on. */
++  int convert = 1;		/* If nonzero, perform translations. */
++  unsigned int pending = 0;	/* Pending columns of blanks. */
++
++  fp = next_file ((FILE *) NULL);
++  if (fp == NULL)
++    return;
++
++  memset (&o_state, '\0', sizeof(mbstate_t));
++  memset (&i_state, '\0', sizeof(mbstate_t));
++
++  for (;;)
++    {
++      if (buflen < MB_LEN_MAX && !feof(fp) && !ferror(fp))
++	{
++	  memmove (buf, bufpos, buflen);
++	  buflen += fread (buf + buflen, sizeof(char), BUFSIZ, fp);
++	  bufpos = buf;
++	}
++
++      /* Get a wide character. */
++      if (buflen < 1)
++	{
++	  mblength = 1;
++	  wc = WEOF;
++	}
++      else
++	{
++	  i_state_bak = i_state;
++	  mblength = mbrtowc ((wchar_t *)&wc, bufpos, buflen, &i_state);
++	}
++
++      if (mblength == (size_t)-1 || mblength == (size_t)-2)
++	{
++	  i_state = i_state_bak;
++	  wc = L'\0';
++	}
++
++      if (wc == L' ' && convert && column < INT_MAX)
++	{
++	  ++pending;
++	  ++column;
++	}
++      else if (wc == L'\t' && convert)
++	{
++	  if (tab_size == 0)
++	    {
++	      /* Do not let tab_index == first_free_tab;
++		 stop when it is 1 less. */
++	      while (tab_index < first_free_tab - 1
++		  && column >= tab_list[tab_index])
++		tab_index++;
++	      next_tab_column = tab_list[tab_index];
++	      if (tab_index < first_free_tab - 1)
++		tab_index++;
++	      if (column >= next_tab_column)
++		{
++		  convert = 0;	/* Ran out of tab stops. */
++		  goto flush_pend_mb;
++		}
++	    }
++	  else
++	    {
++	      next_tab_column = column + tab_size - column % tab_size;
++	    }
++	  pending += next_tab_column - column;
++	  column = next_tab_column;
++	}
++      else
++	{
++flush_pend_mb:
++	  /* Flush pending spaces.  Print as many tabs as possible,
++	     then print the rest as spaces. */
++	  if (pending == 1 && column != 1 && !prev_tab)
++	    {
++	      putchar (' ');
++	      pending = 0;
++	    }
++	  column -= pending;
++	  while (pending > 0)
++	    {
++	      if (tab_size == 0)
++		{
++		  /* Do not let print_tab_index == first_free_tab;
++		     stop when it is 1 less. */
++		  while (print_tab_index < first_free_tab - 1
++		      && column >= tab_list[print_tab_index])
++		    print_tab_index++;
++		  next_tab_column = tab_list[print_tab_index];
++		  if (print_tab_index < first_free_tab - 1)
++		    print_tab_index++;
++		}
++	      else
++		{
++		  next_tab_column =
++		    column + tab_size - column % tab_size;
++		}
++	      if (next_tab_column - column <= pending)
++		{
++		  putchar ('\t');
++		  pending -= next_tab_column - column;
++		  column = next_tab_column;
++		}
++	      else
++		{
++		  --print_tab_index;
++		  column += pending;
++		  while (pending != 0)
++		    {
++		      putchar (' ');
++		      pending--;
++		    }
++		}
++	    }
++
++	  if (wc == WEOF)
++	    {
++	      fp = next_file (fp);
++	      if (fp == NULL)
++		break;          /* No more files. */
++	      else
++		{
++		  memset (&i_state, '\0', sizeof(mbstate_t));
++		  continue;
++		}
++	    }
++
++	  if (mblength == (size_t)-1 || mblength == (size_t)-2)
++	    {
++	      if (convert)
++		{
++		  ++column;
++		  if (convert_entire_line == 0)
++		    convert = 0;
++		}
++	      mblength = 1;
++	      putchar (buf[0]);
++	    }
++	  else if (mblength == 0)
++	    {
++	      if (convert && convert_entire_line == 0)
++		convert = 0;
++	      mblength = 1;
++	      putchar ('\0');
++	    }
++	  else
++	    {
++	      if (convert)
++		{
++		  if (wc == L'\b')
++		    {
++		      if (column > 0)
++			--column;
++		    }
++		  else
++		    {
++		      int width;            /* The width of WC. */
++
++		      width = wcwidth (wc);
++		      column += (width > 0) ? width : 0;
++		      if (convert_entire_line == 0)
++			convert = 0;
++		    }
++		}
++
++	      if (wc == L'\n')
++		{
++		  tab_index = print_tab_index = 0;
++		  column = pending = 0;
++		  convert = 1;
++		}
++	      fwrite (bufpos, sizeof(char), mblength, stdout);
++	    }
++	}
++      prev_tab = wc == L'\t';
++      buflen -= mblength;
++      bufpos += mblength;
++    }
++}
++#endif
++
++
+ void
+ usage (int status)
+ {
+@@ -523,7 +744,12 @@
+ 
+   file_list = (optind < argc ? &argv[optind] : stdin_argv);
+ 
+-  unexpand ();
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    unexpand_multibyte ();
++  else
++#endif
++    unexpand ();
+ 
+   if (have_read_stdin && fclose (stdin) != 0)
+     error (EXIT_FAILURE, errno, "-");
+diff -Naur coreutils-8.22.orig/src/uniq.c coreutils-8.22/src/uniq.c
+--- coreutils-8.22.orig/src/uniq.c	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/src/uniq.c	2014-01-15 11:34:10.413909085 +0100
+@@ -21,6 +21,17 @@
+ #include <getopt.h>
+ #include <sys/types.h>
+ 
++/* Get mbstate_t, mbrtowc(). */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
++/* Get isw* functions. */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++#include <assert.h>
++
+ #include "system.h"
+ #include "argmatch.h"
+ #include "linebuffer.h"
+@@ -32,7 +43,19 @@
+ #include "stdio--.h"
+ #include "xmemcoll.h"
+ #include "xstrtol.h"
+-#include "memcasecmp.h"
++#include "xmemcoll.h"
++
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++   installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ 
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "uniq"
+@@ -143,6 +166,10 @@
+   GROUP_OPTION = CHAR_MAX + 1
+ };
+ 
++/* Function pointers. */
++static char *
++(*find_field) (struct linebuffer *line);
++
+ static struct option const longopts[] =
+ {
+   {"count", no_argument, NULL, 'c'},
+@@ -249,7 +276,7 @@
+    return a pointer to the beginning of the line's field to be compared. */
+ 
+ static char * _GL_ATTRIBUTE_PURE
+-find_field (struct linebuffer const *line)
++find_field_uni (struct linebuffer *line)
+ {
+   size_t count;
+   char const *lp = line->buffer;
+@@ -269,6 +296,83 @@
+   return line->buffer + i;
+ }
+ 
++#if HAVE_MBRTOWC
++
++# define MBCHAR_TO_WCHAR(WC, MBLENGTH, LP, POS, SIZE, STATEP, CONVFAIL)  \
++  do                                                                        \
++    {                                                                        \
++      mbstate_t state_bak;                                                \
++                                                                        \
++      CONVFAIL = 0;                                                        \
++      state_bak = *STATEP;                                                \
++                                                                        \
++      MBLENGTH = mbrtowc (&WC, LP + POS, SIZE - POS, STATEP);                \
++                                                                        \
++      switch (MBLENGTH)                                                        \
++        {                                                                \
++        case (size_t)-2:                                                \
++        case (size_t)-1:                                                \
++          *STATEP = state_bak;                                                \
++          CONVFAIL++;                                                        \
++          /* Fall through */                                                \
++        case 0:                                                                \
++          MBLENGTH = 1;                                                        \
++        }                                                                \
++    }                                                                        \
++  while (0)
++
++static char *
++find_field_multi (struct linebuffer *line)
++{
++  size_t count;
++  char *lp = line->buffer;
++  size_t size = line->length - 1;
++  size_t pos;
++  size_t mblength;
++  wchar_t wc;
++  mbstate_t *statep;
++  int convfail = 0;
++
++  pos = 0;
++  statep = &(line->state);
++
++  /* skip fields. */
++  for (count = 0; count < skip_fields && pos < size; count++)
++    {
++      while (pos < size)
++        {
++          MBCHAR_TO_WCHAR (wc, mblength, lp, pos, size, statep, convfail);
++ 
++          if (convfail || !iswblank (wc))
++            {
++              pos += mblength;
++              break;
++            }
++          pos += mblength;
++        }
++
++      while (pos < size)
++        {
++          MBCHAR_TO_WCHAR (wc, mblength, lp, pos, size, statep, convfail);
++
++          if (!convfail && iswblank (wc))
++            break;
++
++          pos += mblength;
++        }
++    }
++
++  /* skip fields. */
++  for (count = 0; count < skip_chars && pos < size; count++)
++    {
++      MBCHAR_TO_WCHAR (wc, mblength, lp, pos, size, statep, convfail);
++      pos += mblength;
++    }
++
++  return lp + pos;
++}
++#endif
++
+ /* Return false if two strings OLD and NEW match, true if not.
+    OLD and NEW point not to the beginnings of the lines
+    but rather to the beginnings of the fields to compare.
+@@ -277,6 +381,8 @@
+ static bool
+ different (char *old, char *new, size_t oldlen, size_t newlen)
+ {
++  char *copy_old, *copy_new;
++
+   if (check_chars < oldlen)
+     oldlen = check_chars;
+   if (check_chars < newlen)
+@@ -284,15 +390,104 @@
+ 
+   if (ignore_case)
+     {
+-      /* FIXME: This should invoke strcoll somehow.  */
+-      return oldlen != newlen || memcasecmp (old, new, oldlen);
++      size_t i;
++
++      copy_old = xmalloc (oldlen + 1);
++      copy_new = xmalloc (oldlen + 1);
++
++      for (i = 0; i < oldlen; i++)
++        {
++          copy_old[i] = toupper (old[i]);
++          copy_new[i] = toupper (new[i]);
++        }
++      bool rc = xmemcoll (copy_old, oldlen, copy_new, newlen);
++      free (copy_old);
++      free (copy_new);
++      return rc;
+     }
+-  else if (hard_LC_COLLATE)
+-    return xmemcoll (old, oldlen, new, newlen) != 0;
+   else
+-    return oldlen != newlen || memcmp (old, new, oldlen);
++    {
++      copy_old = (char *)old;
++      copy_new = (char *)new;
++    }
++
++  return xmemcoll (copy_old, oldlen, copy_new, newlen);
++
+ }
+ 
++#if HAVE_MBRTOWC
++static int
++different_multi (const char *old, const char *new, size_t oldlen, size_t newlen, mbstate_t oldstate, mbstate_t newstate)
++{
++  size_t i, j, chars;
++  const char *str[2];
++  char *copy[2];
++  size_t len[2];
++  mbstate_t state[2];
++  size_t mblength;
++  wchar_t wc, uwc;
++  mbstate_t state_bak;
++
++  str[0] = old;
++  str[1] = new;
++  len[0] = oldlen;
++  len[1] = newlen;
++  state[0] = oldstate;
++  state[1] = newstate;
++
++  for (i = 0; i < 2; i++)
++    {
++      copy[i] = xmalloc (len[i] + 1);
++      memset (copy[i], '\0', len[i] + 1);
++
++      for (j = 0, chars = 0; j < len[i] && chars < check_chars; chars++)
++        {
++          state_bak = state[i];
++          mblength = mbrtowc (&wc, str[i] + j, len[i] - j, &(state[i]));
++
++          switch (mblength)
++            {
++            case (size_t)-1:
++            case (size_t)-2:
++              state[i] = state_bak;
++              /* Fall through */
++            case 0:
++              mblength = 1;
++              break;
++
++            default:
++              if (ignore_case)
++                {
++                  uwc = towupper (wc);
++
++                  if (uwc != wc)
++                    {
++                      mbstate_t state_wc;
++                      size_t mblen;
++
++                      memset (&state_wc, '\0', sizeof(mbstate_t));
++                      mblen = wcrtomb (copy[i] + j, uwc, &state_wc);
++                      assert (mblen != (size_t)-1);
++                    }
++                  else
++                    memcpy (copy[i] + j, str[i] + j, mblength);
++                }
++              else
++                memcpy (copy[i] + j, str[i] + j, mblength);
++            }
++          j += mblength;
++        }
++      copy[i][j] = '\0';
++      len[i] = j;
++    }
++  int rc = xmemcoll (copy[0], len[0], copy[1], len[1]);
++  free (copy[0]);
++  free (copy[1]);
++  return rc;
++
++}
++#endif
++
+ /* Output the line in linebuffer LINE to standard output
+    provided that the switches say it should be output.
+    MATCH is true if the line matches the previous line.
+@@ -356,19 +551,38 @@
+       char *prevfield IF_LINT ( = NULL);
+       size_t prevlen IF_LINT ( = 0);
+       bool first_group_printed = false;
++#if HAVE_MBRTOWC
++      mbstate_t prevstate;
++
++      memset (&prevstate, '\0', sizeof (mbstate_t));
++#endif
+ 
+       while (!feof (stdin))
+         {
+           char *thisfield;
+           size_t thislen;
+           bool new_group;
++#if HAVE_MBRTOWC
++          mbstate_t thisstate;
++#endif
+ 
+           if (readlinebuffer_delim (thisline, stdin, delimiter) == 0)
+             break;
+ 
+           thisfield = find_field (thisline);
+           thislen = thisline->length - 1 - (thisfield - thisline->buffer);
++#if HAVE_MBRTOWC
++          if (MB_CUR_MAX > 1)
++            {
++              thisstate = thisline->state;
+ 
++              new_group = (prevline->length == 0
++                           || different_multi (thisfield, prevfield,
++                                               thislen, prevlen,
++                                               thisstate, prevstate));
++            }
++          else
++#endif
+           new_group = (prevline->length == 0
+                        || different (thisfield, prevfield, thislen, prevlen));
+ 
+@@ -386,6 +600,10 @@
+               SWAP_LINES (prevline, thisline);
+               prevfield = thisfield;
+               prevlen = thislen;
++#if HAVE_MBRTOWC
++              if (MB_CUR_MAX > 1)
++                prevstate = thisstate;
++#endif
+               first_group_printed = true;
+             }
+         }
+@@ -398,17 +616,26 @@
+       size_t prevlen;
+       uintmax_t match_count = 0;
+       bool first_delimiter = true;
++#if HAVE_MBRTOWC
++      mbstate_t prevstate;
++#endif
+ 
+       if (readlinebuffer_delim (prevline, stdin, delimiter) == 0)
+         goto closefiles;
+       prevfield = find_field (prevline);
+       prevlen = prevline->length - 1 - (prevfield - prevline->buffer);
++#if HAVE_MBRTOWC
++      prevstate = prevline->state;
++#endif
+ 
+       while (!feof (stdin))
+         {
+           bool match;
+           char *thisfield;
+           size_t thislen;
++#if HAVE_MBRTOWC
++          mbstate_t thisstate = thisline->state;
++#endif
+           if (readlinebuffer_delim (thisline, stdin, delimiter) == 0)
+             {
+               if (ferror (stdin))
+@@ -417,6 +644,14 @@
+             }
+           thisfield = find_field (thisline);
+           thislen = thisline->length - 1 - (thisfield - thisline->buffer);
++#if HAVE_MBRTOWC
++          if (MB_CUR_MAX > 1)
++            {
++              match = !different_multi (thisfield, prevfield,
++                                thislen, prevlen, thisstate, prevstate);
++            }
++          else
++#endif
+           match = !different (thisfield, prevfield, thislen, prevlen);
+           match_count += match;
+ 
+@@ -449,6 +684,9 @@
+               SWAP_LINES (prevline, thisline);
+               prevfield = thisfield;
+               prevlen = thislen;
++#if HAVE_MBRTOWC
++              prevstate = thisstate;
++#endif
+               if (!match)
+                 match_count = 0;
+             }
+@@ -495,6 +733,19 @@
+ 
+   atexit (close_stdout);
+ 
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    {
++      find_field = find_field_multi;
++    }
++  else
++#endif
++    {
++      find_field = find_field_uni;
++    }
++
++
++
+   skip_chars = 0;
+   skip_fields = 0;
+   check_chars = SIZE_MAX;
+diff -Naur coreutils-8.22.orig/tests/local.mk coreutils-8.22/tests/local.mk
+--- coreutils-8.22.orig/tests/local.mk	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/local.mk	2014-01-15 11:34:10.413909085 +0100
+@@ -324,6 +324,7 @@
+   tests/misc/sort-discrim.sh			\
+   tests/misc/sort-files0-from.pl		\
+   tests/misc/sort-float.sh			\
++  tests/misc/sort-mb-tests.sh			\
+   tests/misc/sort-merge.pl			\
+   tests/misc/sort-merge-fdlimit.sh		\
+   tests/misc/sort-month.sh			\
+diff -Naur coreutils-8.22.orig/tests/misc/cut.pl coreutils-8.22/tests/misc/cut.pl
+--- coreutils-8.22.orig/tests/misc/cut.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/misc/cut.pl	2014-01-15 11:34:10.413909085 +0100
+@@ -23,9 +23,11 @@
+ # Turn off localization of executable's output.
+ @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+ 
+-my $mb_locale = $ENV{LOCALE_FR_UTF8};
++my $mb_locale;
++# uncommented enable multibyte paths
++$mb_locale = $ENV{LOCALE_FR_UTF8};
+ ! defined $mb_locale || $mb_locale eq 'none'
+-  and $mb_locale = 'C';
++ and $mb_locale = 'C';
+ 
+ my $prog = 'cut';
+ my $try = "Try '$prog --help' for more information.\n";
+@@ -225,6 +227,7 @@
+         my @new_t = @$t;
+         my $test_name = shift @new_t;
+ 
++        next if ($test_name =~ "newline-[12][0-9]");
+         push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
+       }
+     push @Tests, @new;
+diff -Naur coreutils-8.22.orig/tests/misc/expand.pl coreutils-8.22/tests/misc/expand.pl
+--- coreutils-8.22.orig/tests/misc/expand.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/misc/expand.pl	2014-01-15 11:34:10.414909089 +0100
+@@ -23,6 +23,15 @@
+ # Turn off localization of executable's output.
+ @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+ 
++#comment out next line to disable multibyte tests
++my $mb_locale = $ENV{LOCALE_FR_UTF8};
++! defined $mb_locale || $mb_locale eq 'none'
++ and $mb_locale = 'C';
++
++my $prog = 'expand';
++my $try = "Try \`$prog --help' for more information.\n";
++my $inval = "$prog: invalid byte, character or field list\n$try";
++
+ my @Tests =
+   (
+    ['t1', '--tabs=3',     {IN=>"a\tb"}, {OUT=>"a  b"}],
+@@ -31,6 +40,37 @@
+    ['i2', '--tabs=3 -i', {IN=>" \ta\tb"}, {OUT=>"   a\tb"}],
+   );
+ 
++if ($mb_locale ne 'C')
++  {
++    # Duplicate each test vector, appending "-mb" to the test name and
++    # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we
++    # provide coverage for the distro-added multi-byte code paths.
++    my @new;
++    foreach my $t (@Tests)
++      {
++        my @new_t = @$t;
++        my $test_name = shift @new_t;
++
++        # Depending on whether expand is multi-byte-patched,
++        # it emits different diagnostics:
++        #   non-MB: invalid byte or field list
++        #   MB:     invalid byte, character or field list
++        # Adjust the expected error output accordingly.
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR} && $_->{ERR} eq $inval}
++            (@new_t))
++          {
++            my $sub = {ERR_SUBST => 's/, character//'};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
++      }
++    push @Tests, @new;
++  }
++
++
++ at Tests = triple_test \@Tests;
++
+ my $save_temps = $ENV{DEBUG};
+ my $verbose = $ENV{VERBOSE};
+ 
+diff -Naur coreutils-8.22.orig/tests/misc/fold.pl coreutils-8.22/tests/misc/fold.pl
+--- coreutils-8.22.orig/tests/misc/fold.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/misc/fold.pl	2014-01-15 11:34:10.414909089 +0100
+@@ -20,9 +20,18 @@
+ 
+ (my $program_name = $0) =~ s|.*/||;
+ 
++my $prog = 'fold';
++my $try = "Try \`$prog --help' for more information.\n";
++my $inval = "$prog: invalid byte, character or field list\n$try";
++
+ # Turn off localization of executable's output.
+ @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+ 
++# uncommented to enable multibyte paths
++my $mb_locale = $ENV{LOCALE_FR_UTF8};
++! defined $mb_locale || $mb_locale eq 'none'
++ and $mb_locale = 'C';
++
+ my @Tests =
+   (
+    ['s1', '-w2 -s', {IN=>"a\t"}, {OUT=>"a\n\t"}],
+@@ -31,9 +40,48 @@
+    ['s4', '-w4 -s', {IN=>"abc ef\n"}, {OUT=>"abc \nef\n"}],
+   );
+ 
++# Add _POSIX2_VERSION=199209 to the environment of each test
++# that uses an old-style option like +1.
++if ($mb_locale ne 'C')
++  {
++    # Duplicate each test vector, appending "-mb" to the test name and
++    # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we
++    # provide coverage for the distro-added multi-byte code paths.
++    my @new;
++    foreach my $t (@Tests)
++      {
++        my @new_t = @$t;
++        my $test_name = shift @new_t;
++
++        # Depending on whether fold is multi-byte-patched,
++        # it emits different diagnostics:
++        #   non-MB: invalid byte or field list
++        #   MB:     invalid byte, character or field list
++        # Adjust the expected error output accordingly.
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR} && $_->{ERR} eq $inval}
++            (@new_t))
++          {
++            my $sub = {ERR_SUBST => 's/, character//'};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
++      }
++    push @Tests, @new;
++  }
++
++ at Tests = triple_test \@Tests;
++
++# Remember that triple_test creates from each test with exactly one "IN"
++# file two more tests (.p and .r suffix on name) corresponding to reading
++# input from a file and from a pipe.  The pipe-reading test would fail
++# due to a race condition about 1 in 20 times.
++# Remove the IN_PIPE version of the "output-is-input" test above.
++# The others aren't susceptible because they have three inputs each.
++ at Tests = grep {$_->[0] ne 'output-is-input.p'} @Tests;
++
+ my $save_temps = $ENV{DEBUG};
+ my $verbose = $ENV{VERBOSE};
+ 
+-my $prog = 'fold';
+ my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
+ exit $fail;
+diff -Naur coreutils-8.22.orig/tests/misc/join.pl coreutils-8.22/tests/misc/join.pl
+--- coreutils-8.22.orig/tests/misc/join.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/misc/join.pl	2014-01-15 11:34:10.414909089 +0100
+@@ -25,6 +25,15 @@
+ 
+ my $prog = 'join';
+ 
++my $try = "Try \`$prog --help' for more information.\n";
++my $inval = "$prog: invalid byte, character or field list\n$try";
++
++my $mb_locale;
++#Comment out next line to disable multibyte tests
++$mb_locale = $ENV{LOCALE_FR_UTF8};
++! defined $mb_locale || $mb_locale eq 'none'
++  and $mb_locale = 'C';
++
+ my $delim = chr 0247;
+ sub t_subst ($)
+ {
+@@ -326,8 +335,49 @@
+     push @Tests, $new_ent;
+   }
+ 
++# Add _POSIX2_VERSION=199209 to the environment of each test
++# that uses an old-style option like +1.
++if ($mb_locale ne 'C')
++  {
++    # Duplicate each test vector, appending "-mb" to the test name and
++    # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we
++    # provide coverage for the distro-added multi-byte code paths.
++    my @new;
++    foreach my $t (@Tests)
++      {
++        my @new_t = @$t;
++        my $test_name = shift @new_t;
++
++        # Depending on whether join is multi-byte-patched,
++        # it emits different diagnostics:
++        #   non-MB: invalid byte or field list
++        #   MB:     invalid byte, character or field list
++        # Adjust the expected error output accordingly.
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR} && $_->{ERR} eq $inval}
++            (@new_t))
++          {
++            my $sub = {ERR_SUBST => 's/, character//'};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        #Adjust the output some error messages including test_name for mb
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR}}
++             (@new_t))
++          {
++            my $sub2 = {ERR_SUBST => "s/$test_name-mb/$test_name/"};
++            push @new_t, $sub2;
++            push @$t, $sub2;
++          }
++        push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
++      }
++    push @Tests, @new;
++  }
++
+ @Tests = triple_test \@Tests;
+ 
++#skip invalid-j-mb test, it is failing because of the format
++ at Tests = grep {$_->[0] ne 'invalid-j-mb'} @Tests;
++
+ my $save_temps = $ENV{DEBUG};
+ my $verbose = $ENV{VERBOSE};
+ 
+diff -Naur coreutils-8.22.orig/tests/misc/sort-mb-tests.sh coreutils-8.22/tests/misc/sort-mb-tests.sh
+--- coreutils-8.22.orig/tests/misc/sort-mb-tests.sh	1970-01-01 01:00:00.000000000 +0100
++++ coreutils-8.22/tests/misc/sort-mb-tests.sh	2014-01-15 11:34:10.414909089 +0100
+@@ -0,0 +1,45 @@
++#!/bin/sh
++# Verify sort's multi-byte support.
++
++. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
++print_ver_ sort
++
++export LC_ALL=en_US.UTF-8
++locale -k LC_CTYPE | grep -q "charmap.*UTF-8" \
++  || skip_ "No UTF-8 locale available"
++
++
++cat <<EOF > exp
++Banana@5
++Apple@10
++Citrus@20
++Cherry@30
++EOF
++
++cat <<EOF | sort -t @ -k2 -n > out || fail=1
++Apple@10
++Banana@5
++Citrus@20
++Cherry@30
++EOF
++
++compare exp out || { fail=1; cat out; }
++
++
++cat <<EOF > exp
++Citrus@AA20@@5
++Cherry@AA30@@10
++Apple@AA10@@20
++Banana@AA5@@30
++EOF
++
++cat <<EOF | sort -t @ -k4 -n > out || fail=1
++Apple@AA10@@20
++Banana@AA5@@30
++Citrus@AA20@@5
++Cherry@AA30@@10
++EOF
++
++compare exp out || { fail=1; cat out; }
++
++Exit $fail
+diff -Naur coreutils-8.22.orig/tests/misc/sort-merge.pl coreutils-8.22/tests/misc/sort-merge.pl
+--- coreutils-8.22.orig/tests/misc/sort-merge.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/misc/sort-merge.pl	2014-01-15 11:34:10.414909089 +0100
+@@ -26,6 +26,15 @@
+ # Turn off localization of executable's output.
+ @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+ 
++my $mb_locale;
++# uncommented according to upstream commit enabling multibyte paths
++$mb_locale = $ENV{LOCALE_FR_UTF8};
++! defined $mb_locale || $mb_locale eq 'none'
++ and $mb_locale = 'C';
++
++my $try = "Try \`$prog --help' for more information.\n";
++my $inval = "$prog: invalid byte, character or field list\n$try";
++
+ # three empty files and one that says 'foo'
+ my @inputs = (+(map{{IN=> {"empty$_"=> ''}}}1..3), {IN=> {foo=> "foo\n"}});
+ 
+@@ -77,6 +86,39 @@
+         {OUT=>$big_input}],
+     );
+ 
++# Add _POSIX2_VERSION=199209 to the environment of each test
++# that uses an old-style option like +1.
++if ($mb_locale ne 'C')
++  {
++    # Duplicate each test vector, appending "-mb" to the test name and
++    # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we
++    # provide coverage for the distro-added multi-byte code paths.
++    my @new;
++    foreach my $t (@Tests)
++      {
++        my @new_t = @$t;
++        my $test_name = shift @new_t;
++
++        # Depending on whether sort is multi-byte-patched,
++        # it emits different diagnostics:
++        #   non-MB: invalid byte or field list
++        #   MB:     invalid byte, character or field list
++        # Adjust the expected error output accordingly.
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR} && $_->{ERR} eq $inval}
++            (@new_t))
++          {
++            my $sub = {ERR_SUBST => 's/, character//'};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        next if ($test_name =~ "nmerge-.");
++        push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
++      }
++    push @Tests, @new;
++  }
++
++ at Tests = triple_test \@Tests;
++
+ my $save_temps = $ENV{DEBUG};
+ my $verbose = $ENV{VERBOSE};
+ 
+diff -Naur coreutils-8.22.orig/tests/misc/sort.pl coreutils-8.22/tests/misc/sort.pl
+--- coreutils-8.22.orig/tests/misc/sort.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/misc/sort.pl	2014-01-15 11:34:10.414909089 +0100
+@@ -24,10 +24,15 @@
+ # Turn off localization of executable's output.
+ @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+ 
+-my $mb_locale = $ENV{LOCALE_FR_UTF8};
++my $mb_locale;
++#Comment out next line to disable multibyte tests
++$mb_locale = $ENV{LOCALE_FR_UTF8};
+ ! defined $mb_locale || $mb_locale eq 'none'
+   and $mb_locale = 'C';
+ 
++my $try = "Try \`$prog --help' for more information.\n";
++my $inval = "$prog: invalid byte, character or field list\n$try";
++
+ # Since each test is run with a file name and with redirected stdin,
+ # the name in the diagnostic is either the file name or "-".
+ # Normalize each diagnostic to use '-'.
+@@ -415,6 +420,37 @@
+       }
+   }
+ 
++if ($mb_locale ne 'C')
++   {
++    # Duplicate each test vector, appending "-mb" to the test name and
++    # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we
++    # provide coverage for the distro-added multi-byte code paths.
++    my @new;
++    foreach my $t (@Tests)
++       {
++        my @new_t = @$t;
++        my $test_name = shift @new_t;
++
++        # Depending on whether sort is multi-byte-patched,
++        # it emits different diagnostics:
++        #   non-MB: invalid byte or field list
++        #   MB:     invalid byte, character or field list
++        # Adjust the expected error output accordingly.
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR} && $_->{ERR} eq $inval}
++            (@new_t))
++          {
++            my $sub = {ERR_SUBST => 's/, character//'};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        #disable several failing tests until investigation, disable all tests with envvars set
++        next if (grep {ref $_ eq 'HASH' && exists $_->{ENV}} (@new_t));
++        next if ($test_name =~ "18g" or $test_name =~ "sort-numeric" or $test_name =~ "08[ab]" or $test_name =~ "03[def]" or $test_name =~ "h4" or $test_name =~ "n1" or $test_name =~ "2[01]a");
++        push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
++       }
++    push @Tests, @new;
++   }
++
+ @Tests = triple_test \@Tests;
+ 
+ # Remember that triple_test creates from each test with exactly one "IN"
+@@ -424,6 +460,7 @@
+ # Remove the IN_PIPE version of the "output-is-input" test above.
+ # The others aren't susceptible because they have three inputs each.
+ @Tests = grep {$_->[0] ne 'output-is-input.p'} @Tests;
++ at Tests = grep {$_->[0] ne 'output-is-input-mb.p'} @Tests;
+ 
+ my $save_temps = $ENV{DEBUG};
+ my $verbose = $ENV{VERBOSE};
+diff -Naur coreutils-8.22.orig/tests/misc/unexpand.pl coreutils-8.22/tests/misc/unexpand.pl
+--- coreutils-8.22.orig/tests/misc/unexpand.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/misc/unexpand.pl	2014-01-15 11:34:10.414909089 +0100
+@@ -27,6 +27,14 @@
+ 
+ my $prog = 'unexpand';
+ 
++# comment out next line to disable multibyte tests
++my $mb_locale = $ENV{LOCALE_FR_UTF8};
++! defined $mb_locale || $mb_locale eq 'none'
++ and $mb_locale = 'C';
++
++my $try = "Try \`$prog --help' for more information.\n";
++my $inval = "$prog: invalid byte, character or field list\n$try";
++
+ my @Tests =
+     (
+      ['a1', {IN=> ' 'x 1 ."y\n"}, {OUT=> ' 'x 1 ."y\n"}],
+@@ -92,6 +100,37 @@
+       {EXIT => 1}, {ERR => "$prog: tab stop value is too large\n"}],
+     );
+ 
++if ($mb_locale ne 'C')
++  {
++    # Duplicate each test vector, appending "-mb" to the test name and
++    # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we
++    # provide coverage for the distro-added multi-byte code paths.
++    my @new;
++    foreach my $t (@Tests)
++      {
++        my @new_t = @$t;
++        my $test_name = shift @new_t;
++
++        # Depending on whether unexpand is multi-byte-patched,
++        # it emits different diagnostics:
++        #   non-MB: invalid byte or field list
++        #   MB:     invalid byte, character or field list
++        # Adjust the expected error output accordingly.
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR} && $_->{ERR} eq $inval}
++            (@new_t))
++          {
++            my $sub = {ERR_SUBST => 's/, character//'};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        next if ($test_name =~ 'b-1');
++        push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
++      }
++    push @Tests, @new;
++  }
++
++ at Tests = triple_test \@Tests;
++
+ my $save_temps = $ENV{DEBUG};
+ my $verbose = $ENV{VERBOSE};
+ 
+diff -Naur coreutils-8.22.orig/tests/misc/uniq.pl coreutils-8.22/tests/misc/uniq.pl
+--- coreutils-8.22.orig/tests/misc/uniq.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/misc/uniq.pl	2014-01-15 11:34:10.415909094 +0100
+@@ -23,9 +23,17 @@
+ my $prog = 'uniq';
+ my $try = "Try '$prog --help' for more information.\n";
+ 
++my $inval = "$prog: invalid byte, character or field list\n$try";
++
+ # Turn off localization of executable's output.
+ @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+ 
++my $mb_locale;
++#Comment out next line to disable multibyte tests
++$mb_locale = $ENV{LOCALE_FR_UTF8};
++! defined $mb_locale || $mb_locale eq 'none'
++  and $mb_locale = 'C';
++
+ # When possible, create a "-z"-testing variant of each test.
+ sub add_z_variants($)
+ {
+@@ -261,6 +269,53 @@
+       and push @$t, {ENV=>'_POSIX2_VERSION=199209'};
+   }
+ 
++if ($mb_locale ne 'C')
++  {
++    # Duplicate each test vector, appending "-mb" to the test name and
++    # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we
++    # provide coverage for the distro-added multi-byte code paths.
++    my @new;
++    foreach my $t (@Tests)
++      {
++        my @new_t = @$t;
++        my $test_name = shift @new_t;
++
++        # Depending on whether uniq is multi-byte-patched,
++        # it emits different diagnostics:
++        #   non-MB: invalid byte or field list
++        #   MB:     invalid byte, character or field list
++        # Adjust the expected error output accordingly.
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR} && $_->{ERR} eq $inval}
++            (@new_t))
++          {
++            my $sub = {ERR_SUBST => 's/, character//'};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        # In test #145, replace the each ‘...’ by '...'.
++        if ($test_name =~ "145")
++          {
++            my $sub = { ERR_SUBST => "s/‘([^’]+)’/'\$1'/g"};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        next if (   $test_name =~ "schar"
++                 or $test_name =~ "^obs-plus"
++                 or $test_name =~ "119");
++        push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
++      }
++    push @Tests, @new;
++   }
++
++# Remember that triple_test creates from each test with exactly one "IN"
++# file two more tests (.p and .r suffix on name) corresponding to reading
++# input from a file and from a pipe.  The pipe-reading test would fail
++# due to a race condition about 1 in 20 times.
++# Remove the IN_PIPE version of the "output-is-input" test above.
++# The others aren't susceptible because they have three inputs each.
++
++ at Tests = grep {$_->[0] ne 'output-is-input.p'} @Tests;
++
+ @Tests = add_z_variants \@Tests;
+ @Tests = triple_test \@Tests;
+ 
+diff -Naur coreutils-8.22.orig/tests/pr/pr-tests.pl coreutils-8.22/tests/pr/pr-tests.pl
+--- coreutils-8.22.orig/tests/pr/pr-tests.pl	2013-12-04 15:48:30.000000000 +0100
++++ coreutils-8.22/tests/pr/pr-tests.pl	2014-01-15 11:34:10.415909094 +0100
+@@ -23,6 +23,15 @@
+ 
+ my $prog = 'pr';
+ 
++my $mb_locale;
++#Uncomment the following line to enable multibyte tests
++$mb_locale = $ENV{LOCALE_FR_UTF8};
++! defined $mb_locale || $mb_locale eq 'none'
++  and $mb_locale = 'C';
++
++my $try = "Try \`$prog --help' for more information.\n";
++my $inval = "$prog: invalid byte, character or field list\n$try";
++
+ my @tv = (
+ 
+ # -b option is no longer an official option. But it's still working to
+@@ -466,8 +475,48 @@
+     {IN=>{3=>"x\ty\tz\n"}},
+      {OUT=>join("\t", qw(a b c m n o x y z)) . "\n"} ];
+ 
++# Add _POSIX2_VERSION=199209 to the environment of each test
++# that uses an old-style option like +1.
++if ($mb_locale ne 'C')
++  {
++    # Duplicate each test vector, appending "-mb" to the test name and
++    # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we
++    # provide coverage for the distro-added multi-byte code paths.
++    my @new;
++    foreach my $t (@Tests)
++      {
++        my @new_t = @$t;
++        my $test_name = shift @new_t;
++
++        # Depending on whether pr is multi-byte-patched,
++        # it emits different diagnostics:
++        #   non-MB: invalid byte or field list
++        #   MB:     invalid byte, character or field list
++        # Adjust the expected error output accordingly.
++        if (grep {ref $_ eq 'HASH' && exists $_->{ERR} && $_->{ERR} eq $inval}
++            (@new_t))
++          {
++            my $sub = {ERR_SUBST => 's/, character//'};
++            push @new_t, $sub;
++            push @$t, $sub;
++          }
++        #temporarily skip some failing tests
++        next if ($test_name =~ "col-0" or $test_name =~ "col-inval");
++        push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}];
++      }
++    push @Tests, @new;
++  }
++
+ @Tests = triple_test \@Tests;
+ 
++# Remember that triple_test creates from each test with exactly one "IN"
++# file two more tests (.p and .r suffix on name) corresponding to reading
++# input from a file and from a pipe.  The pipe-reading test would fail
++# due to a race condition about 1 in 20 times.
++# Remove the IN_PIPE version of the "output-is-input" test above.
++# The others aren't susceptible because they have three inputs each.
++ at Tests = grep {$_->[0] ne 'output-is-input.p'} @Tests;
++
+ my $save_temps = $ENV{DEBUG};
+ my $verbose = $ENV{VERBOSE};
+ 
+diff -Naur coreutils-8.22.orig/Makefile.in coreutils-8.22/Makefile.in
+--- coreutils-8.22.orig/Makefile.in	2013-12-13 16:20:00.000000000 +0100
++++ coreutils-8.22/Makefile.in	2014-01-15 11:35:47.722696737 +0100
+@@ -3700,6 +3700,7 @@
+   tests/misc/chcon.sh				\
+   tests/misc/chroot-credentials.sh		\
+   tests/misc/selinux.sh				\
++  tests/misc/sort-mb-tests.sh			\
+   tests/misc/truncate-owned-by-other.sh		\
+   tests/mkdir/writable-under-readonly.sh	\
+   tests/mv/sticky-to-xpart.sh			\



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