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63 lines
2.1 KiB
Diff
63 lines
2.1 KiB
Diff
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http://sourceware.org/ml/libc-hacker/2002-11/msg00071.html
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When fnmatch detects an invalid multibyte character it should fall back to
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single byte matching, so that "*" has a chance to match such a string.
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Andreas.
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2005-04-12 Andreas Schwab <schwab@suse.de>
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* posix/fnmatch.c (fnmatch): If conversion to wide character
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fails fall back to single byte matching.
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Index: posix/fnmatch.c
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===================================================================
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diff -durN glibc-2.12.1.orig/posix/fnmatch.c glibc-2.12.1/posix/fnmatch.c
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--- glibc-2.12.1.orig/posix/fnmatch.c 2007-07-28 22:35:00.000000000 +0200
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+++ glibc-2.12.1/posix/fnmatch.c 2009-11-13 00:50:39.000000000 +0100
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@@ -327,6 +327,7 @@
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# if HANDLE_MULTIBYTE
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if (__builtin_expect (MB_CUR_MAX, 1) != 1)
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{
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+ const char *orig_pattern = pattern;
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mbstate_t ps;
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size_t n;
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const char *p;
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@@ -382,10 +383,8 @@
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wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
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n = mbsrtowcs (wstring, &p, n + 1, &ps);
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if (__builtin_expect (n == (size_t) -1, 0))
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- /* Something wrong.
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- XXX Do we have to set `errno' to something which mbsrtows hasn't
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- already done? */
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- return -1;
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+ /* Something wrong. Fall back to single byte matching. */
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+ goto try_singlebyte;
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if (p)
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{
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memset (&ps, '\0', sizeof (ps));
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@@ -397,10 +396,8 @@
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prepare_wstring:
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n = mbsrtowcs (NULL, &string, 0, &ps);
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if (__builtin_expect (n == (size_t) -1, 0))
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- /* Something wrong.
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- XXX Do we have to set `errno' to something which mbsrtows hasn't
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- already done? */
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- return -1;
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+ /* Something wrong. Fall back to single byte matching. */
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+ goto try_singlebyte;
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wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
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assert (mbsinit (&ps));
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(void) mbsrtowcs (wstring, &string, n + 1, &ps);
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@@ -408,6 +405,9 @@
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return internal_fnwmatch (wpattern, wstring, wstring + n,
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flags & FNM_PERIOD, flags, NULL);
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+
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+ try_singlebyte:
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+ pattern = orig_pattern;
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}
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# endif /* mbstate_t and mbsrtowcs or _LIBC. */
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