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authorJeff Law <law@redhat.com>2012-09-28 12:48:42 -0600
committerJeff Law <law@redhat.com>2012-09-28 12:49:51 -0600
commit715a900c9085907fa749589bf738b192b1a2bda5 (patch)
treea5f194cde176cdb38c2f712c51477aa427ba33ae /stdio-common/vfprintf.c
parent9c464f9c0c9d85df80233c1b0a22f9a7cd318096 (diff)
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2012-09-28 Andreas Schwab <schwab@linux-m68k.org>
        [BZ #6530]
        * stdio-common/vfprintf.c (process_string_arg): Revert
        2000-07-22 change.

2011-09-28  Jonathan Nieder  <jrnieder@gmail.com>

        * stdio-common/Makefile (tst-sprintf-ENV): Set environment
        for testcase.
        * stdio-common/tst-sprintf.c: Include <locale.h>
        (main): Test sprintf's handling of incomplete multibyte
        characters.
Diffstat (limited to 'stdio-common/vfprintf.c')
-rw-r--r--stdio-common/vfprintf.c39
1 files changed, 3 insertions, 36 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index d569034253..17d3f42a97 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1168,42 +1168,9 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	else if (!is_long && spec != L_('S'))				      \
 	  {								      \
 	    if (prec != -1)						      \
-	      {								      \
-		/* Search for the end of the string, but don't search past    \
-		   the length (in bytes) specified by the precision.  Also    \
-		   don't use incomplete characters.  */			      \
-		if (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX) == 1)   \
-		  len = __strnlen (string, prec);			      \
-		else							      \
-		  {							      \
-		    /* In case we have a multibyte character set the	      \
-		       situation is more complicated.  We must not copy	      \
-		       bytes at the end which form an incomplete character. */\
-		    size_t ignore_size = (unsigned) prec > 1024 ? 1024 : prec;\
-		    wchar_t ignore[ignore_size];			      \
-		    const char *str2 = string;				      \
-		    const char *strend = string + prec;			      \
-		    if (strend < string)				      \
-		      strend = (const char *) UINTPTR_MAX;		      \
-									      \
-		    mbstate_t ps;					      \
-		    memset (&ps, '\0', sizeof (ps));			      \
-									      \
-		    while (str2 != NULL && str2 < strend)		      \
-		      if (__mbsnrtowcs (ignore, &str2, strend - str2,	      \
-					ignore_size, &ps) == (size_t) -1)     \
-			{						      \
-			  /* Conversion function has set errno.  */	      \
-			  done = -1;					      \
-			  goto all_done;				      \
-			}						      \
-									      \
-		    if (str2 == NULL)					      \
-		      len = strlen (string);				      \
-		    else						      \
-		      len = str2 - string - (ps.__count & 7);		      \
-		  }							      \
-	      }								      \
+	      /* Search for the end of the string, but don't search past      \
+		 the length (in bytes) specified by the precision.  */	      \
+	      len = __strnlen (string, prec);				      \
 	    else							      \
 	      len = strlen (string);					      \
 	  }								      \