X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=posix%2Ffnmatch.c;h=a707847dccd5945a1266bff6942b18f2fb9144bf;hb=174295f41363fc8749a48057c6ca3b3ef2e48613;hp=3fa7c322d1dc5fa26ca48059717e1a38f0f688c5;hpb=7a409a1a7c960c0ee7e3f22a59dade4d397a5ddc;p=platform%2Fupstream%2Fglibc.git diff --git a/posix/fnmatch.c b/posix/fnmatch.c index 3fa7c32..a707847 100644 --- a/posix/fnmatch.c +++ b/posix/fnmatch.c @@ -1,5 +1,4 @@ -/* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2002,2003 - Free Software Foundation, Inc. +/* Copyright (C) 1991-2015 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -13,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + . */ #if HAVE_CONFIG_H # include @@ -30,17 +28,18 @@ #include #include #include - -#if HAVE_STRING_H || defined _LIBC -# include -#else -# include -#endif +#include #if defined STDC_HEADERS || defined _LIBC # include #endif +#ifdef _LIBC +# include +#else +# define alloca_account(size., var) alloca (size) +#endif + /* For platform which support the ISO C amendement 1 functionality we support user defined character classes. */ #if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) @@ -209,6 +208,7 @@ __wcschrnul (s, c) # define FCT internal_fnmatch # define EXT ext_match # define END end_pattern +# define STRUCT fnmatch_struct # define L(CS) CS # ifdef _LIBC # define BTOWC(C) __btowc (C) @@ -220,6 +220,9 @@ __wcschrnul (s, c) # define MEMPCPY(D, S, N) __mempcpy (D, S, N) # define MEMCHR(S, C, N) memchr (S, C, N) # define STRCOLL(S1, S2) strcoll (S1, S2) +# define WIDE_CHAR_VERSION 0 +# include +# define FINDIDX findidx # include "fnmatch_loop.c" @@ -235,7 +238,8 @@ __wcschrnul (s, c) # define INT wint_t # define FCT internal_fnwmatch # define EXT ext_wmatch -# define END end_wpattern +# define END end_wpattern +# define STRUCT fnwmatch_struct # define L(CS) L##CS # define BTOWC(C) (C) # define STRLEN(S) __wcslen (S) @@ -244,6 +248,12 @@ __wcschrnul (s, c) # define MEMCHR(S, C, N) wmemchr (S, C, N) # define STRCOLL(S1, S2) wcscoll (S1, S2) # define WIDE_CHAR_VERSION 1 +/* Change the name the header defines so it doesn't conflict with + the version included above. */ +# define findidx findidxwc +# include +# undef findidx +# define FINDIDX findidxwc # undef IS_CHAR_CLASS /* We have to convert the wide character string in a multibyte string. But @@ -328,8 +338,11 @@ fnmatch (pattern, string, flags) mbstate_t ps; size_t n; const char *p; + wchar_t *wpattern_malloc = NULL; wchar_t *wpattern; + wchar_t *wstring_malloc = NULL; wchar_t *wstring; + size_t alloca_used = 0; /* Convert the strings into wide characters. */ memset (&ps, '\0', sizeof (ps)); @@ -339,28 +352,41 @@ fnmatch (pattern, string, flags) #else n = strlen (pattern); #endif - if (__builtin_expect (n < 1024, 1)) + if (__glibc_likely (n < 1024)) { - wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t)); + wpattern = (wchar_t *) alloca_account ((n + 1) * sizeof (wchar_t), + alloca_used); n = mbsrtowcs (wpattern, &p, n + 1, &ps); - if (__builtin_expect (n == (size_t) -1, 0)) + if (__glibc_unlikely (n == (size_t) -1)) /* Something wrong. XXX Do we have to set `errno' to something which mbsrtows hasn't already done? */ return -1; if (p) - memset (&ps, '\0', sizeof (ps)); + { + memset (&ps, '\0', sizeof (ps)); + goto prepare_wpattern; + } } - if (__builtin_expect (p != NULL, 0)) + else { + prepare_wpattern: n = mbsrtowcs (NULL, &pattern, 0, &ps); - if (__builtin_expect (n == (size_t) -1, 0)) + if (__glibc_unlikely (n == (size_t) -1)) /* Something wrong. XXX Do we have to set `errno' to something which mbsrtows hasn't already done? */ return -1; - wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t)); + if (__glibc_unlikely (n >= (size_t) -1 / sizeof (wchar_t))) + { + __set_errno (ENOMEM); + return -2; + } + wpattern_malloc = wpattern + = (wchar_t *) malloc ((n + 1) * sizeof (wchar_t)); assert (mbsinit (&ps)); + if (wpattern == NULL) + return -2; (void) mbsrtowcs (wpattern, &pattern, n + 1, &ps); } @@ -371,38 +397,66 @@ fnmatch (pattern, string, flags) n = strlen (string); #endif p = string; - if (__builtin_expect (n < 1024, 1)) + if (__glibc_likely (n < 1024)) { - wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t)); + wstring = (wchar_t *) alloca_account ((n + 1) * sizeof (wchar_t), + alloca_used); 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; + if (__glibc_unlikely (n == (size_t) -1)) + { + /* Something wrong. + XXX Do we have to set `errno' to something which + mbsrtows hasn't already done? */ + free_return: + free (wpattern_malloc); + return -1; + } if (p) - memset (&ps, '\0', sizeof (ps)); + { + memset (&ps, '\0', sizeof (ps)); + goto prepare_wstring; + } } - if (__builtin_expect (p != NULL, 0)) + else { + prepare_wstring: n = mbsrtowcs (NULL, &string, 0, &ps); - if (__builtin_expect (n == (size_t) -1, 0)) + if (__glibc_unlikely (n == (size_t) -1)) /* Something wrong. XXX Do we have to set `errno' to something which mbsrtows hasn't already done? */ - return -1; - wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t)); + goto free_return; + if (__glibc_unlikely (n >= (size_t) -1 / sizeof (wchar_t))) + { + free (wpattern_malloc); + __set_errno (ENOMEM); + return -2; + } + + wstring_malloc = wstring + = (wchar_t *) malloc ((n + 1) * sizeof (wchar_t)); + if (wstring == NULL) + { + free (wpattern_malloc); + return -2; + } assert (mbsinit (&ps)); (void) mbsrtowcs (wstring, &string, n + 1, &ps); } - return internal_fnwmatch (wpattern, wstring, wstring + n, - flags & FNM_PERIOD, flags); + int res = internal_fnwmatch (wpattern, wstring, wstring + n, + flags & FNM_PERIOD, flags, NULL, + alloca_used); + + free (wstring_malloc); + free (wpattern_malloc); + + return res; } # endif /* mbstate_t and mbsrtowcs or _LIBC. */ return internal_fnmatch (pattern, string, string + strlen (string), - flags & FNM_PERIOD, flags); + flags & FNM_PERIOD, flags, NULL, 0); } # ifdef _LIBC