crosstool-ng/patches/glibc/2.9/410-2.9-fnmatch.patch

65 lines
2.1 KiB
Diff

Original patch from: gentoo/src/patchsets/glibc/2.9/5021_all_2.9-fnmatch.patch
-= BEGIN original header =-
http://sourceware.org/ml/libc-hacker/2002-11/msg00071.html
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.
-= END original header =-
diff -durN glibc-2_9.orig/posix/fnmatch.c glibc-2_9/posix/fnmatch.c
--- glibc-2_9.orig/posix/fnmatch.c 2007-07-28 22:35:00.000000000 +0200
+++ glibc-2_9/posix/fnmatch.c 2009-02-02 22:01:25.000000000 +0100
@@ -327,6 +327,7 @@
# 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 @@
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 @@
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 @@
return internal_fnwmatch (wpattern, wstring, wstring + n,
flags & FNM_PERIOD, flags, NULL);
+
+ try_singlebyte:
+ pattern = orig_pattern;
}
# endif /* mbstate_t and mbsrtowcs or _LIBC. */