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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 d569034..17d3f42 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); \
} \