initial import

1 files changed, 823 insertions, 0 deletions

diff --git a/abs/core-testing/grep/09-egf-speedup.patch b/abs/core-testing/grep/09-egf-speedup.patch
new file mode 100644
index 0000000..08e92c7
--- /dev/null
+++ b/abs/core-testing/grep/09-egf-speedup.patch
@@ -0,0 +1,823 @@
+--- grep-2.5.1/src/search.c	2004-12-31 15:28:35.720391036 +0000
++++ grep-2.5.1a/src/search.c	2005-01-07 14:53:10.308860193 +0000
+@@ -18,9 +18,13 @@
+ 
+ /* Written August 1992 by Mike Haertel. */
+ 
++#ifndef _GNU_SOURCE
++# define _GNU_SOURCE 1
++#endif
+ #ifdef HAVE_CONFIG_H
+ # include <config.h>
+ #endif
++#include <assert.h>
+ #include <sys/types.h>
+ #if defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H && defined HAVE_MBRTOWC
+ /* We can handle multibyte string.  */
+@@ -39,6 +43,9 @@
+ #ifdef HAVE_LIBPCRE
+ # include <pcre.h>
+ #endif
++#ifdef HAVE_LANGINFO_CODESET
++# include <langinfo.h>
++#endif
+ 
+ #define NCHAR (UCHAR_MAX + 1)
+ 
+@@ -70,9 +77,10 @@
+    call the regexp matcher at all. */
+ static int kwset_exact_matches;
+ 
+-#if defined(MBS_SUPPORT)
+-static char* check_multibyte_string PARAMS ((char const *buf, size_t size));
+-#endif
++/* UTF-8 encoding allows some optimizations that we can't otherwise
++   assume in a multibyte encoding. */
++static int using_utf8;
++
+ static void kwsinit PARAMS ((void));
+ static void kwsmusts PARAMS ((void));
+ static void Gcompile PARAMS ((char const *, size_t));
+@@ -84,6 +92,15 @@
+ static size_t Pexecute PARAMS ((char const *, size_t, size_t *, int));
+ 
+ void
++check_utf8 (void)
++{
++#ifdef HAVE_LANGINFO_CODESET
++  if (strcmp (nl_langinfo (CODESET), "UTF-8") == 0)
++    using_utf8 = 1;
++#endif
++}
++
++void
+ dfaerror (char const *mesg)
+ {
+   error (2, 0, mesg);
+@@ -141,47 +158,6 @@
+     }
+ }
+ 
+-#ifdef MBS_SUPPORT
+-/* This function allocate the array which correspond to "buf".
+-   Then this check multibyte string and mark on the positions which
+-   are not singlebyte character nor the first byte of a multibyte
+-   character.  Caller must free the array.  */
+-static char*
+-check_multibyte_string(char const *buf, size_t size)
+-{
+-  char *mb_properties = xmalloc(size);
+-  mbstate_t cur_state;
+-  wchar_t wc;
+-  int i;
+-  memset(&cur_state, 0, sizeof(mbstate_t));
+-  memset(mb_properties, 0, sizeof(char)*size);
+-  for (i = 0; i < size ;)
+-    {
+-      size_t mbclen;
+-      mbclen = mbrtowc(&wc, buf + i, size - i, &cur_state);
+-
+-      if (mbclen == (size_t) -1 || mbclen == (size_t) -2 || mbclen == 0)
+-	{
+-	  /* An invalid sequence, or a truncated multibyte character.
+-	     We treat it as a singlebyte character.  */
+-	  mbclen = 1;
+-	}
+-      else if (match_icase)
+-	{
+-	  if (iswupper((wint_t)wc))
+-	    {
+-	      wc = towlower((wint_t)wc);
+-	      wcrtomb(buf + i, wc, &cur_state);
+-	    }
+-	}
+-      mb_properties[i] = mbclen;
+-      i += mbclen;
+-    }
+-
+-  return mb_properties;
+-}
+-#endif
+-
+ static void
+ Gcompile (char const *pattern, size_t size)
+ {
+@@ -190,6 +166,7 @@
+   size_t total = size;
+   char const *motif = pattern;
+ 
++  check_utf8 ();
+   re_set_syntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE | (match_icase ? RE_ICASE : 0));
+   dfasyntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE, match_icase, eolbyte);
+ 
+@@ -266,6 +243,7 @@
+   size_t total = size;
+   char const *motif = pattern;
+ 
++  check_utf8 ();
+   if (strcmp (matcher, "awk") == 0)
+     {
+       re_set_syntax (RE_SYNTAX_AWK | (match_icase ? RE_ICASE : 0));
+@@ -350,18 +328,9 @@
+   struct kwsmatch kwsm;
+   size_t i, ret_val;
+ #ifdef MBS_SUPPORT
+-  char *mb_properties = NULL;
+-  if (MB_CUR_MAX > 1)
+-    {
+-      if (match_icase)
+-        {
+-          char *case_buf = xmalloc(size);
+-          memcpy(case_buf, buf, size);
+-          buf = case_buf;
+-        }
+-      if (kwset)
+-        mb_properties = check_multibyte_string(buf, size);
+-    }
++  int mb_cur_max = MB_CUR_MAX;
++  mbstate_t mbs;
++  memset (&mbs, '\0', sizeof (mbstate_t));
+ #endif /* MBS_SUPPORT */
+ 
+   buflim = buf + size;
+@@ -373,21 +342,63 @@
+ 	  if (kwset)
+ 	    {
+ 	      /* Find a possible match using the KWset matcher. */
+-	      size_t offset = kwsexec (kwset, beg, buflim - beg, &kwsm);
++#ifdef MBS_SUPPORT
++	      size_t bytes_left = 0;
++#endif /* MBS_SUPPORT */
++	      size_t offset;
++#ifdef MBS_SUPPORT
++	      /* kwsexec doesn't work with match_icase and multibyte input. */
++	      if (match_icase && mb_cur_max > 1)
++		/* Avoid kwset */
++		offset = 0;
++	      else
++#endif /* MBS_SUPPORT */
++	      offset = kwsexec (kwset, beg, buflim - beg, &kwsm);
+ 	      if (offset == (size_t) -1)
+ 	        goto failure;
++#ifdef MBS_SUPPORT
++	      if (mb_cur_max > 1 && !using_utf8)
++		{
++		  bytes_left = offset;
++		  while (bytes_left)
++		    {
++		      size_t mlen = mbrlen (beg, bytes_left, &mbs);
++		      if (mlen == (size_t) -1 || mlen == 0)
++			{
++			  /* Incomplete character: treat as single-byte. */
++			  memset (&mbs, '\0', sizeof (mbstate_t));
++			  beg++;
++			  bytes_left--;
++			  continue;
++			}
++
++		      if (mlen == (size_t) -2)
++			/* Offset points inside multibyte character:
++			 * no good. */
++			break;
++
++		      beg += mlen;
++		      bytes_left -= mlen;
++		    }
++		}
++	      else
++#endif /* MBS_SUPPORT */
+ 	      beg += offset;
+ 	      /* Narrow down to the line containing the candidate, and
+ 		 run it through DFA. */
+ 	      end = memchr(beg, eol, buflim - beg);
+ 	      end++;
+ #ifdef MBS_SUPPORT
+-	      if (MB_CUR_MAX > 1 && mb_properties[beg - buf] == 0)
++	      if (mb_cur_max > 1 && bytes_left)
+ 		continue;
+-#endif
++#endif /* MBS_SUPPORT */
+ 	      while (beg > buf && beg[-1] != eol)
+ 		--beg;
+-	      if (kwsm.index < kwset_exact_matches)
++	      if (
++#ifdef MBS_SUPPORT
++		  !(match_icase && mb_cur_max > 1) &&
++#endif /* MBS_SUPPORT */
++		  (kwsm.index < kwset_exact_matches))
+ 		goto success_in_beg_and_end;
+ 	      if (dfaexec (&dfa, beg, end - beg, &backref) == (size_t) -1)
+ 		continue;
+@@ -395,13 +406,47 @@
+ 	  else
+ 	    {
+ 	      /* No good fixed strings; start with DFA. */
++#ifdef MBS_SUPPORT
++	      size_t bytes_left = 0;
++#endif /* MBS_SUPPORT */
+ 	      size_t offset = dfaexec (&dfa, beg, buflim - beg, &backref);
+ 	      if (offset == (size_t) -1)
+ 		break;
+ 	      /* Narrow down to the line we've found. */
++#ifdef MBS_SUPPORT
++	      if (mb_cur_max > 1 && !using_utf8)
++		{
++		  bytes_left = offset;
++		  while (bytes_left)
++		    {
++		      size_t mlen = mbrlen (beg, bytes_left, &mbs);
++		      if (mlen == (size_t) -1 || mlen == 0)
++			{
++			  /* Incomplete character: treat as single-byte. */
++			  memset (&mbs, '\0', sizeof (mbstate_t));
++			  beg++;
++			  bytes_left--;
++			  continue;
++			}
++
++		      if (mlen == (size_t) -2)
++			/* Offset points inside multibyte character:
++			 * no good. */
++			break;
++
++		      beg += mlen;
++		      bytes_left -= mlen;
++		    }
++		}
++	      else
++#endif /* MBS_SUPPORT */
+ 	      beg += offset;
+ 	      end = memchr (beg, eol, buflim - beg);
+ 	      end++;
++#ifdef MBS_SUPPORT
++	      if (mb_cur_max > 1 && bytes_left)
++		continue;
++#endif /* MBS_SUPPORT */
+ 	      while (beg > buf && beg[-1] != eol)
+ 		--beg;
+ 	    }
+@@ -469,15 +514,6 @@
+     } /* for (beg = end ..) */
+ 
+  failure:
+-#ifdef MBS_SUPPORT
+-  if (MB_CUR_MAX > 1)
+-    {
+-      if (mb_properties)
+-	free (mb_properties);
+-      if (match_icase)
+-	free ((char *) buf);
+-    }
+-#endif /* MBS_SUPPORT */
+   return (size_t) -1;
+ 
+  success_in_beg_and_end:
+@@ -486,24 +522,144 @@
+   /* FALLTHROUGH */
+ 
+  success_in_start_and_len:
+-#ifdef MBS_SUPPORT
+-  if (MB_CUR_MAX > 1)
+-    {
+-      if (mb_properties)
+-	free (mb_properties);
+-      if (match_icase)
+-	free ((char *) buf);
+-    }
+-#endif /* MBS_SUPPORT */
+   *match_size = len;
+   return start;
+ }
+ 
++#ifdef MBS_SUPPORT
++static int f_i_multibyte; /* whether we're using the new -Fi MB method */
++static struct
++{
++  wchar_t **patterns;
++  size_t count, maxlen;
++  unsigned char *match;
++} Fimb;
++#endif
++
+ static void
+ Fcompile (char const *pattern, size_t size)
+ {
++  int mb_cur_max = MB_CUR_MAX;
+   char const *beg, *lim, *err;
+ 
++  check_utf8 ();
++#ifdef MBS_SUPPORT
++  /* Support -F -i for UTF-8 input. */
++  if (match_icase && mb_cur_max > 1)
++    {
++      mbstate_t mbs;
++      wchar_t *wcpattern = xmalloc ((size + 1) * sizeof (wchar_t));
++      const char *patternend = pattern;
++      size_t wcsize;
++      kwset_t fimb_kwset = NULL;
++      char *starts = NULL;
++      wchar_t *wcbeg, *wclim;
++      size_t allocated = 0;
++
++      memset (&mbs, '\0', sizeof (mbs));
++# ifdef __GNU_LIBRARY__
++      wcsize = mbsnrtowcs (wcpattern, &patternend, size, size, &mbs);
++      if (patternend != pattern + size)
++	wcsize = (size_t) -1;
++# else
++      {
++	char *patterncopy = xmalloc (size + 1);
++
++	memcpy (patterncopy, pattern, size);
++	patterncopy[size] = '\0';
++	patternend = patterncopy;
++	wcsize = mbsrtowcs (wcpattern, &patternend, size, &mbs);
++	if (patternend != patterncopy + size)
++	  wcsize = (size_t) -1;
++	free (patterncopy);
++      }
++# endif
++      if (wcsize + 2 <= 2)
++	{
++fimb_fail:
++	  free (wcpattern);
++	  free (starts);
++	  if (fimb_kwset)
++	    kwsfree (fimb_kwset);
++	  free (Fimb.patterns);
++	  Fimb.patterns = NULL;
++	}
++      else
++	{
++	  if (!(fimb_kwset = kwsalloc (NULL)))
++	    error (2, 0, _("memory exhausted"));
++
++	  starts = xmalloc (mb_cur_max * 3);
++	  wcbeg = wcpattern;
++	  do
++	    {
++	      int i;
++	      size_t wclen;
++
++	      if (Fimb.count >= allocated)
++		{
++		  if (allocated == 0)
++		    allocated = 128;
++		  else
++		    allocated *= 2;
++		  Fimb.patterns = xrealloc (Fimb.patterns,
++					    sizeof (wchar_t *) * allocated);
++		}
++	      Fimb.patterns[Fimb.count++] = wcbeg;
++	      for (wclim = wcbeg;
++		   wclim < wcpattern + wcsize && *wclim != L'\n'; ++wclim)
++		*wclim = towlower (*wclim);
++	      *wclim = L'\0';
++	      wclen = wclim - wcbeg;
++	      if (wclen > Fimb.maxlen)
++		Fimb.maxlen = wclen;
++	      if (wclen > 3)
++		wclen = 3;
++	      if (wclen == 0)
++		{
++		  if ((err = kwsincr (fimb_kwset, "", 0)) != 0)
++		    error (2, 0, err);
++		}
++	      else
++		for (i = 0; i < (1 << wclen); i++)
++		  {
++		    char *p = starts;
++		    int j, k;
++
++		    for (j = 0; j < wclen; ++j)
++		      {
++			wchar_t wc = wcbeg[j];
++			if (i & (1 << j))
++			  {
++			    wc = towupper (wc);
++			    if (wc == wcbeg[j])
++			      continue;
++			  }
++			k = wctomb (p, wc);
++			if (k <= 0)
++			  goto fimb_fail;
++			p += k;
++		      }
++		    if ((err = kwsincr (fimb_kwset, starts, p - starts)) != 0)
++		      error (2, 0, err);
++		  }
++	      if (wclim < wcpattern + wcsize)
++		++wclim;
++	      wcbeg = wclim;
++	    }
++	  while (wcbeg < wcpattern + wcsize);
++	  f_i_multibyte = 1;
++	  kwset = fimb_kwset;
++	  free (starts);
++	  Fimb.match = xmalloc (Fimb.count);
++	  if ((err = kwsprep (kwset)) != 0)
++	    error (2, 0, err);
++	  return;
++	}
++    }
++#endif /* MBS_SUPPORT */
++
++
+   kwsinit ();
+   beg = pattern;
+   do
+@@ -522,6 +678,76 @@
+     error (2, 0, err);
+ }
+ 
++#ifdef MBS_SUPPORT
++static int
++Fimbexec (const char *buf, size_t size, size_t *plen, int exact)
++{
++  size_t len, letter, i;
++  int ret = -1;
++  mbstate_t mbs;
++  wchar_t wc;
++  int patterns_left;
++
++  assert (match_icase && f_i_multibyte == 1);
++  assert (MB_CUR_MAX > 1);
++
++  memset (&mbs, '\0', sizeof (mbs));
++  memset (Fimb.match, '\1', Fimb.count);
++  letter = len = 0;
++  patterns_left = 1;
++  while (patterns_left && len <= size)
++    {
++      size_t c;
++
++      patterns_left = 0;
++      if (len < size)
++	{
++	  c = mbrtowc (&wc, buf + len, size - len, &mbs);
++	  if (c + 2 <= 2)
++	    return ret;
++
++	  wc = towlower (wc);
++	}
++      else
++	{
++	  c = 1;
++	  wc = L'\0';
++	}
++
++      for (i = 0; i < Fimb.count; i++)
++	{
++	  if (Fimb.match[i])
++	    {
++	      if (Fimb.patterns[i][letter] == L'\0')
++		{
++		  /* Found a match. */
++		  *plen = len;
++		  if (!exact && !match_words)
++		    return 0;
++		  else
++		    {
++		      /* For -w or exact look for longest match.  */
++		      ret = 0;
++		      Fimb.match[i] = '\0';
++		      continue;
++		    }
++		}
++
++	      if (Fimb.patterns[i][letter] == wc)
++		patterns_left = 1;
++	      else
++		Fimb.match[i] = '\0';
++	    }
++	}
++
++      len += c;
++      letter++;
++    }
++
++  return ret;
++}
++#endif /* MBS_SUPPORT */
++
+ static size_t
+ Fexecute (char const *buf, size_t size, size_t *match_size, int exact)
+ {
+@@ -531,80 +757,258 @@
+   struct kwsmatch kwsmatch;
+   size_t ret_val;
+ #ifdef MBS_SUPPORT
+-  char *mb_properties = NULL;
+-  if (MB_CUR_MAX > 1)
+-    {
+-      if (match_icase)
+-        {
+-          char *case_buf = xmalloc(size);
+-          memcpy(case_buf, buf, size);
+-          buf = case_buf;
+-        }
+-      mb_properties = check_multibyte_string(buf, size);
+-    }
++  int mb_cur_max = MB_CUR_MAX;
++  mbstate_t mbs;
++  memset (&mbs, '\0', sizeof (mbstate_t));
++  const char *last_char = NULL;
+ #endif /* MBS_SUPPORT */
+ 
+   for (beg = buf; beg <= buf + size; ++beg)
+     {
+-      size_t offset = kwsexec (kwset, beg, buf + size - beg, &kwsmatch);
++      size_t offset;
++      offset = kwsexec (kwset, beg, buf + size - beg, &kwsmatch);
++
+       if (offset == (size_t) -1)
+ 	goto failure;
+ #ifdef MBS_SUPPORT
+-      if (MB_CUR_MAX > 1 && mb_properties[offset+beg-buf] == 0)
+-	continue; /* It is a part of multibyte character.  */
++      if (mb_cur_max > 1 && !using_utf8)
++	{
++	  size_t bytes_left = offset;
++	  while (bytes_left)
++	    {
++	      size_t mlen = mbrlen (beg, bytes_left, &mbs);
++
++	      last_char = beg;
++	      if (mlen == (size_t) -1 || mlen == 0)
++		{
++		  /* Incomplete character: treat as single-byte. */
++		  memset (&mbs, '\0', sizeof (mbstate_t));
++		  beg++;
++		  bytes_left--;
++		  continue;
++		}
++
++	      if (mlen == (size_t) -2)
++		/* Offset points inside multibyte character: no good. */
++		break;
++
++	      beg += mlen;
++	      bytes_left -= mlen;
++	    }
++
++	  if (bytes_left)
++	    continue;
++	}
++      else
+ #endif /* MBS_SUPPORT */
+       beg += offset;
++#ifdef MBS_SUPPORT
++      /* For f_i_multibyte, the string at beg now matches first 3 chars of
++	 one of the search strings (less if there are shorter search strings).
++	 See if this is a real match.  */
++      if (f_i_multibyte
++	  && Fimbexec (beg, buf + size - beg, &kwsmatch.size[0], exact))
++	goto next_char;
++#endif /* MBS_SUPPORT */
+       len = kwsmatch.size[0];
+       if (exact && !match_words)
+ 	goto success_in_beg_and_len;
+       if (match_lines)
+ 	{
+ 	  if (beg > buf && beg[-1] != eol)
+-	    continue;
++	    goto next_char;
+ 	  if (beg + len < buf + size && beg[len] != eol)
+-	    continue;
++	    goto next_char;
+ 	  goto success;
+ 	}
+       else if (match_words)
+-	for (try = beg; len; )
+-	  {
+-	    if (try > buf && WCHAR((unsigned char) try[-1]))
+-	      break;
+-	    if (try + len < buf + size && WCHAR((unsigned char) try[len]))
+-	      {
+-		offset = kwsexec (kwset, beg, --len, &kwsmatch);
+-		if (offset == (size_t) -1)
+-		  {
++	{
++	  while (len)
++	    {
++	      int word_match = 0;
++	      if (beg > buf)
++		{
+ #ifdef MBS_SUPPORT
+-		    if (MB_CUR_MAX > 1)
+-		      free (mb_properties);
++		  if (mb_cur_max > 1)
++		    {
++		      const char *s;
++		      int mr;
++		      wchar_t pwc;
++
++		      if (using_utf8)
++			{
++			  s = beg - 1;
++			  while (s > buf
++				 && (unsigned char) *s >= 0x80
++				 && (unsigned char) *s <= 0xbf)
++			    --s;
++			}
++		      else
++			s = last_char;
++		      mr = mbtowc (&pwc, s, beg - s);
++		      if (mr <= 0)
++			memset (&mbs, '\0', sizeof (mbstate_t));
++		      else if ((iswalnum (pwc) || pwc == L'_')
++			       && mr == (int) (beg - s))
++			goto next_char;
++		    }
++		  else
+ #endif /* MBS_SUPPORT */
+-		    return offset;
+-		  }
+-		try = beg + offset;
+-		len = kwsmatch.size[0];
+-	      }
+-	    else
+-	      goto success;
+-	  }
++		  if (WCHAR ((unsigned char) beg[-1]))
++		    goto next_char;
++		}
++#ifdef MBS_SUPPORT
++	      if (mb_cur_max > 1)
++		{
++		  wchar_t nwc;
++		  int mr;
++
++		  mr = mbtowc (&nwc, beg + len, buf + size - beg - len);
++		  if (mr <= 0)
++		    {
++		      memset (&mbs, '\0', sizeof (mbstate_t));
++		      word_match = 1;
++		    }
++		  else if (!iswalnum (nwc) && nwc != L'_')
++		    word_match = 1;
++		}
++	      else
++#endif /* MBS_SUPPORT */
++		if (beg + len >= buf + size || !WCHAR ((unsigned char) beg[len]))
++		  word_match = 1;
++	      if (word_match)
++		{
++		  if (!exact)
++		    /* Returns the whole line now we know there's a word match. */
++		    goto success;
++		  else
++		    /* Returns just this word match. */
++		    goto success_in_beg_and_len;
++		}
++	      if (len > 0)
++		{
++		  /* Try a shorter length anchored at the same place. */
++		  --len;
++		  offset = kwsexec (kwset, beg, len, &kwsmatch);
++
++		  if (offset == -1)
++		    goto next_char; /* Try a different anchor. */
++#ifdef MBS_SUPPORT
++		  if (mb_cur_max > 1 && !using_utf8)
++		    {
++		      size_t bytes_left = offset;
++		      while (bytes_left)
++			{
++			  size_t mlen = mbrlen (beg, bytes_left, &mbs);
++
++			  last_char = beg;
++			  if (mlen == (size_t) -1 || mlen == 0)
++			    {
++			      /* Incomplete character: treat as single-byte. */
++			      memset (&mbs, '\0', sizeof (mbstate_t));
++			      beg++;
++			      bytes_left--;
++			      continue;
++			    }
++
++			  if (mlen == (size_t) -2)
++			    {
++			      /* Offset points inside multibyte character:
++			       * no good. */
++			      break;
++			    }
++
++			  beg += mlen;
++			  bytes_left -= mlen;
++			}
++
++		      if (bytes_left)
++			{
++			  memset (&mbs, '\0', sizeof (mbstate_t));
++			  goto next_char; /* Try a different anchor. */
++			}
++		    }
++		  else
++#endif /* MBS_SUPPORT */
++		  beg += offset;
++#ifdef MBS_SUPPORT
++		  /* The string at beg now matches first 3 chars of one of
++		     the search strings (less if there are shorter search
++		     strings).  See if this is a real match.  */
++		  if (f_i_multibyte
++		      && Fimbexec (beg, len - offset, &kwsmatch.size[0],
++				   exact))
++		    goto next_char;
++#endif /* MBS_SUPPORT */
++		  len = kwsmatch.size[0];
++		}
++	    }
++	}
+       else
+ 	goto success;
++next_char:;
++#ifdef MBS_SUPPORT
++      /* Advance to next character.  For MB_CUR_MAX == 1 case this is handled
++	 by ++beg above.  */
++      if (mb_cur_max > 1)
++	{
++	  if (using_utf8)
++	    {
++	      unsigned char c = *beg;
++	      if (c >= 0xc2)
++		{
++		  if (c < 0xe0)
++		    ++beg;
++		  else if (c < 0xf0)
++		    beg += 2;
++		  else if (c < 0xf8)
++		    beg += 3;
++		  else if (c < 0xfc)
++		    beg += 4;
++		  else if (c < 0xfe)
++		    beg += 5;
++		}
++	    }
++	  else
++	    {
++	      size_t l = mbrlen (beg, buf + size - beg, &mbs);
++
++	      last_char = beg;
++	      if (l + 2 >= 2)
++		beg += l - 1;
++	      else
++		memset (&mbs, '\0', sizeof (mbstate_t));
++	    }
++	}
++#endif /* MBS_SUPPORT */
+     }
+ 
+  failure:
++  return -1;
++
++ success:
+ #ifdef MBS_SUPPORT
+-  if (MB_CUR_MAX > 1)
++  if (mb_cur_max > 1 && !using_utf8)
+     {
+-      if (match_icase)
+-        free((char *) buf);
+-      if (mb_properties)
+-        free(mb_properties);
++      end = beg + len;
++      while (end < buf + size)
++	{
++	  size_t mlen = mbrlen (end, buf + size - end, &mbs);
++	  if (mlen == (size_t) -1 || mlen == (size_t) -2 || mlen == 0)
++	    {
++	      memset (&mbs, '\0', sizeof (mbstate_t));
++	      mlen = 1;
++	    }
++	  if (mlen == 1 && *end == eol)
++	    break;
++
++	  end += mlen;
++	}
+     }
++  else
+ #endif /* MBS_SUPPORT */
+-  return -1;
+-
+- success:
+   end = memchr (beg + len, eol, (buf + size) - (beg + len));
++
+   end++;
+   while (buf < beg && beg[-1] != eol)
+     --beg;
+@@ -613,15 +1017,6 @@
+ 
+  success_in_beg_and_len:
+   *match_size = len;
+-#ifdef MBS_SUPPORT
+-  if (MB_CUR_MAX > 1)
+-    {
+-      if (mb_properties)
+-	free (mb_properties);
+-      if (match_icase)
+-	free ((char *) buf);
+-    }
+-#endif /* MBS_SUPPORT */
+   return beg - buf;
+ }
+