X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffnmatch.c;h=06416f6ee5d791045b13b0a98a410aca450a6165;hb=22076266cedbd153e35fd6d47378e9255ab5499e;hp=28f98d8b95b2d1657d6aaf03f20017e13c139b7c;hpb=b01279bf4c3b8ca5e26e2d2e1512a101a7f1dc7c;p=gnulib.git diff --git a/lib/fnmatch.c b/lib/fnmatch.c index 28f98d8b9..06416f6ee 100644 --- a/lib/fnmatch.c +++ b/lib/fnmatch.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1991, 1992, 1993, 1996, 1997, 1998, 1999, 2000, 2001, - 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005 + Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -13,9 +13,9 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#if HAVE_CONFIG_H +#ifdef HAVE_CONFIG_H # include #endif @@ -24,37 +24,24 @@ # define _GNU_SOURCE 1 #endif -#ifdef __GNUC__ -# define alloca __builtin_alloca -# define HAVE_ALLOCA 1 -#else -# if defined HAVE_ALLOCA_H || defined _LIBC -# include -# else -# ifdef _AIX - # pragma alloca -# else -# ifndef alloca -char *alloca (); -# endif -# endif -# endif -#endif - #if ! defined __builtin_expect && __GNUC__ < 3 # define __builtin_expect(expr, expected) (expr) #endif #include +#include #include #include #include #include +#include #include #include -#define WIDE_CHAR_SUPPORT (HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_BTOWC) +#define WIDE_CHAR_SUPPORT \ + (HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_BTOWC \ + && HAVE_WMEMCHR && (HAVE_WMEMCPY || HAVE_WMEMPCPY)) /* For platform which support the ISO C amendement 1 functionality we support user defined character classes. */ @@ -74,7 +61,6 @@ char *alloca (); # include # define CONCAT(a,b) __CONCAT(a,b) -# define mbsinit __mbsinit # define mbsrtowcs __mbsrtowcs # define fnmatch __fnmatch extern int fnmatch (const char *pattern, const char *string, int flags); @@ -88,7 +74,7 @@ extern int fnmatch (const char *pattern, const char *string, int flags); #define NO_LEADING_PERIOD(flags) \ ((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD)) -/* Comment out all this code if we are using the GNU C Library, are not +/* Comment out all this code if we are using the GNU C Library, and are not actually compiling the library itself, and have not detected a bug in the library. This code is part of the GNU C Library, but also included in many other GNU distributions. Compiling @@ -173,10 +159,6 @@ extern int fnmatch (const char *pattern, const char *string, int flags); /* Avoid depending on library functions or files whose names are inconsistent. */ -# ifndef errno -extern int errno; -# endif - /* Global variable. */ static int posixly_correct; @@ -337,54 +319,51 @@ fnmatch (const char *pattern, const char *string, int flags) wide characters. */ memset (&ps, '\0', sizeof (ps)); patsize = mbsrtowcs (NULL, &pattern, 0, &ps) + 1; - if (__builtin_expect (patsize == 0, 0)) - /* Something wrong. - XXX Do we have to set `errno' to something which mbsrtows hasn't - already done? */ - return -1; - assert (mbsinit (&ps)); - strsize = mbsrtowcs (NULL, &string, 0, &ps) + 1; - if (__builtin_expect (strsize == 0, 0)) - /* Something wrong. - XXX Do we have to set `errno' to something which mbsrtows hasn't - already done? */ - return -1; - assert (mbsinit (&ps)); - totsize = patsize + strsize; - if (__builtin_expect (! (patsize <= totsize - && totsize <= SIZE_MAX / sizeof (wchar_t)), - 0)) - { - errno = ENOMEM; - return -1; - } - - /* Allocate room for the wide characters. */ - if (__builtin_expect (totsize < ALLOCA_LIMIT, 1)) - wpattern = (wchar_t *) alloca (totsize * sizeof (wchar_t)); - else + if (__builtin_expect (patsize != 0, 1)) { - wpattern = malloc (totsize * sizeof (wchar_t)); - if (__builtin_expect (! wpattern, 0)) + assert (mbsinit (&ps)); + strsize = mbsrtowcs (NULL, &string, 0, &ps) + 1; + if (__builtin_expect (strsize != 0, 1)) { - errno = ENOMEM; - return -1; + assert (mbsinit (&ps)); + totsize = patsize + strsize; + if (__builtin_expect (! (patsize <= totsize + && totsize <= SIZE_MAX / sizeof (wchar_t)), + 0)) + { + errno = ENOMEM; + return -1; + } + + /* Allocate room for the wide characters. */ + if (__builtin_expect (totsize < ALLOCA_LIMIT, 1)) + wpattern = (wchar_t *) alloca (totsize * sizeof (wchar_t)); + else + { + wpattern = malloc (totsize * sizeof (wchar_t)); + if (__builtin_expect (! wpattern, 0)) + { + errno = ENOMEM; + return -1; + } + } + wstring = wpattern + patsize; + + /* Convert the strings into wide characters. */ + mbsrtowcs (wpattern, &pattern, patsize, &ps); + assert (mbsinit (&ps)); + mbsrtowcs (wstring, &string, strsize, &ps); + + res = internal_fnwmatch (wpattern, wstring, wstring + strsize - 1, + flags & FNM_PERIOD, flags); + + if (__builtin_expect (! (totsize < ALLOCA_LIMIT), 0)) + free (wpattern); + return res; } } - wstring = wpattern + patsize; - - /* Convert the strings into wide characters. */ - mbsrtowcs (wpattern, &pattern, patsize, &ps); - assert (mbsinit (&ps)); - mbsrtowcs (wstring, &string, strsize, &ps); - - res = internal_fnwmatch (wpattern, wstring, wstring + strsize - 1, - flags & FNM_PERIOD, flags); - - if (__builtin_expect (! (totsize < ALLOCA_LIMIT), 0)) - free (wpattern); - return res; } + # endif /* HANDLE_MULTIBYTE */ return internal_fnmatch (pattern, string, string + strlen (string), @@ -398,6 +377,7 @@ versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3); strong_alias (__fnmatch, __fnmatch_old) compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0); # endif +libc_hidden_ver (__fnmatch, fnmatch) # endif #endif /* _LIBC or not __GNU_LIBRARY__. */