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glibc/glibc-2.3.90-fnmatch.diff
OBS User autobuild 35b77f97b8 Accepting request 24314 from Base:System
Copy from Base:System/glibc based on submit request 24314 from user pbaudis

OBS-URL: https://build.opensuse.org/request/show/24314
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/glibc?expand=0&rev=13
2009-11-16 08:54:19 +00:00

59 lines
2.0 KiB
Diff

When fnmatch detects an invalid multibyte character it should fall back to
single byte matching, so that "*" has a chance to match such a string.
Andreas.
2005-04-12 Andreas Schwab <schwab@suse.de>
* posix/fnmatch.c (fnmatch): If conversion to wide character
fails fall back to single byte matching.
Index: posix/fnmatch.c
===================================================================
--- posix/fnmatch.c.orig
+++ posix/fnmatch.c
@@ -327,6 +327,7 @@ fnmatch (pattern, string, flags)
# if HANDLE_MULTIBYTE
if (__builtin_expect (MB_CUR_MAX, 1) != 1)
{
+ const char *orig_pattern = pattern;
mbstate_t ps;
size_t n;
const char *p;
@@ -382,10 +383,8 @@ fnmatch (pattern, string, flags)
wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
n = mbsrtowcs (wstring, &p, n + 1, &ps);
if (__builtin_expect (n == (size_t) -1, 0))
- /* Something wrong.
- XXX Do we have to set `errno' to something which mbsrtows hasn't
- already done? */
- return -1;
+ /* Something wrong. Fall back to single byte matching. */
+ goto try_singlebyte;
if (p)
{
memset (&ps, '\0', sizeof (ps));
@@ -397,10 +396,8 @@ fnmatch (pattern, string, flags)
prepare_wstring:
n = mbsrtowcs (NULL, &string, 0, &ps);
if (__builtin_expect (n == (size_t) -1, 0))
- /* Something wrong.
- XXX Do we have to set `errno' to something which mbsrtows hasn't
- already done? */
- return -1;
+ /* Something wrong. Fall back to single byte matching. */
+ goto try_singlebyte;
wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
assert (mbsinit (&ps));
(void) mbsrtowcs (wstring, &string, n + 1, &ps);
@@ -408,6 +405,9 @@ fnmatch (pattern, string, flags)
return internal_fnwmatch (wpattern, wstring, wstring + n,
flags & FNM_PERIOD, flags, NULL);
+
+ try_singlebyte:
+ pattern = orig_pattern;
}
# endif /* mbstate_t and mbsrtowcs or _LIBC. */