/* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2002,2003 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 modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 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, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif /* unistd.h must be included with _LIBC defined: we need smallint */ #include <unistd.h> #include <features.h> #ifdef __UCLIBC__ # undef _LIBC # define HAVE_STRING_H 1 # define STDC_HEADERS # define HAVE___STRCHRNUL 1 # ifdef __UCLIBC_HAS_WCHAR__ # define HAVE_WCHAR_H 1 # define HAVE_WCTYPE_H 1 # ifdef __UCLIBC_HAS_LOCALE__ # define HAVE_MBSTATE_T 1 # define HAVE_MBSRTOWCS 1 # endif # endif #endif #include <assert.h> #include <errno.h> #include <fnmatch.h> #include <ctype.h> #if defined HAVE_STRING_H || defined _LIBC # include <string.h> #else # include <strings.h> #endif #if defined STDC_HEADERS || defined _LIBC # include <stdlib.h> #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) /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */ # include <wchar.h> # include <wctype.h> #endif /* We need some of the locale data (the collation sequence information) but there is no interface to get this information in general. Therefore we support a correct implementation only in glibc. */ #ifdef _LIBC # include "../locale/localeinfo.h" # include "../locale/elem-hash.h" # include "../locale/coll-lookup.h" # include <shlib-compat.h> # define CONCAT(a,b) __CONCAT(a,b) # define mbsrtowcs __mbsrtowcs # define fnmatch __fnmatch extern int fnmatch (const char *pattern, const char *string, int flags); #endif /* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set. */ #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, and are not actually compiling the library itself. This code is part of the GNU C Library, but also included in many other GNU distributions. Compiling and linking in this code is a waste when using the GNU C library (especially if it is a shared library). Rather than having every GNU program understand `configure --with-gnu-libc' and omit the object files, it is simpler to just do this in the source for each such file. */ #if defined _LIBC || !defined __GNU_LIBRARY__ # if defined STDC_HEADERS || !defined isascii # define ISASCII(c) 1 # else # define ISASCII(c) isascii(c) # endif # ifdef isblank # define ISBLANK(c) (ISASCII (c) && isblank (c)) # else # define ISBLANK(c) ((c) == ' ' || (c) == '\t') # endif # ifdef isgraph # define ISGRAPH(c) (ISASCII (c) && isgraph (c)) # else # define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c)) # endif # define ISPRINT(c) (ISASCII (c) && isprint (c)) # define ISDIGIT(c) (ISASCII (c) && isdigit (c)) # define ISALNUM(c) (ISASCII (c) && isalnum (c)) # define ISALPHA(c) (ISASCII (c) && isalpha (c)) # define ISCNTRL(c) (ISASCII (c) && iscntrl (c)) # define ISLOWER(c) (ISASCII (c) && islower (c)) # define ISPUNCT(c) (ISASCII (c) && ispunct (c)) # define ISSPACE(c) (ISASCII (c) && isspace (c)) # define ISUPPER(c) (ISASCII (c) && isupper (c)) # define ISXDIGIT(c) (ISASCII (c) && isxdigit (c)) # define STREQ(s1, s2) ((strcmp (s1, s2) == 0)) # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) /* The GNU C library provides support for user-defined character classes and the functions from ISO C amendement 1. */ # ifdef CHARCLASS_NAME_MAX # define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX # else /* This shouldn't happen but some implementation might still have this problem. Use a reasonable default value. */ # define CHAR_CLASS_MAX_LENGTH 256 # endif # ifdef _LIBC # define IS_CHAR_CLASS(string) __wctype (string) # else # define IS_CHAR_CLASS(string) wctype (string) # endif # ifdef _LIBC # define ISWCTYPE(WC, WT) __iswctype (WC, WT) # else # define ISWCTYPE(WC, WT) iswctype (WC, WT) # endif # if (defined HAVE_MBSTATE_T && defined HAVE_MBSRTOWCS) || defined _LIBC /* In this case we are implementing the multibyte character handling. */ # define HANDLE_MULTIBYTE 1 # endif # else # define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */ # define IS_CHAR_CLASS(string) \ (STREQ (string, "alpha") || STREQ (string, "upper") \ || STREQ (string, "lower") || STREQ (string, "digit") \ || STREQ (string, "alnum") || STREQ (string, "xdigit") \ || STREQ (string, "space") || STREQ (string, "print") \ || STREQ (string, "punct") || STREQ (string, "graph") \ || STREQ (string, "cntrl") || STREQ (string, "blank")) # endif /* Avoid depending on library functions or files whose names are inconsistent. */ # if !defined _LIBC && !defined getenv && !defined __UCLIBC__ extern char *getenv (); # endif # ifndef errno extern int errno; # endif /* Global variable. */ static smallint posixly_correct; /* This function doesn't exist on most systems. */ # if !defined HAVE___STRCHRNUL && !defined _LIBC static char * __strchrnul (s, c) const char *s; int c; { char *result = strchr (s, c); if (result == NULL) result = strchr (s, '\0'); return result; } # endif # if defined HANDLE_MULTIBYTE && !defined HAVE___STRCHRNUL && !defined _LIBC static wchar_t * __wcschrnul (s, c) const wchar_t *s; wint_t c; { wchar_t *result = wcschr (s, c); if (result == NULL) result = wcschr (s, '\0'); return result; } # endif # ifndef internal_function /* Inside GNU libc we mark some function in a special way. In other environments simply ignore the marking. */ # define internal_function # endif /* Note that this evaluates C many times. */ # ifdef _LIBC # define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c)) # else # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c)) # endif # define CHAR char # define UCHAR unsigned char # define INT int # define FCT internal_fnmatch # define EXT ext_match # define END end_pattern # define L(CS) CS # ifdef _LIBC # define BTOWC(C) __btowc (C) # else # define BTOWC(C) btowc (C) # endif # define STRLEN(S) strlen (S) # define STRCAT(D, S) strcat (D, S) # 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) # include "fnmatch_loop.c" # if defined HANDLE_MULTIBYTE /* Note that this evaluates C many times. */ # ifdef _LIBC # define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c)) # else # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? towlower (c) : (c)) # endif # define CHAR wchar_t # define UCHAR wint_t # define INT wint_t # define FCT internal_fnwmatch # define EXT ext_wmatch # define END end_wpattern # define L(CS) L##CS # define BTOWC(C) (C) # define STRLEN(S) wcslen (S) # define STRCAT(D, S) wcscat (D, S) # define MEMPCPY(D, S, N) wmempcpy (D, S, N) # define MEMCHR(S, C, N) wmemchr (S, C, N) # define STRCOLL(S1, S2) wcscoll (S1, S2) # ifndef __UCLIBC__ # define WIDE_CHAR_VERSION 1 # endif # undef IS_CHAR_CLASS /* We have to convert the wide character string in a multibyte string. But we know that the character class names consist of alphanumeric characters from the portable character set, and since the wide character encoding for a member of the portable character set is the same code point as its single-byte encoding, we can use a simplified method to convert the string to a multibyte character string. */ static wctype_t is_char_class (const wchar_t *wcs) { char s[CHAR_CLASS_MAX_LENGTH + 1]; char *cp = s; do { /* Test for a printable character from the portable character set. */ # if defined _LIBC || defined __UCLIBC__ if (*wcs < 0x20 || *wcs > 0x7e || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60) return (wctype_t) 0; # else switch (*wcs) { case L' ': case L'!': case L'"': case L'#': case L'%': case L'&': case L'\'': case L'(': case L')': case L'*': case L'+': case L',': case L'-': case L'.': case L'/': case L'0': case L'1': case L'2': case L'3': case L'4': case L'5': case L'6': case L'7': case L'8': case L'9': case L':': case L';': case L'<': case L'=': case L'>': case L'?': case L'A': case L'B': case L'C': case L'D': case L'E': case L'F': case L'G': case L'H': case L'I': case L'J': case L'K': case L'L': case L'M': case L'N': case L'O': case L'P': case L'Q': case L'R': case L'S': case L'T': case L'U': case L'V': case L'W': case L'X': case L'Y': case L'Z': case L'[': case L'\\': case L']': case L'^': case L'_': case L'a': case L'b': case L'c': case L'd': case L'e': case L'f': case L'g': case L'h': case L'i': case L'j': case L'k': case L'l': case L'm': case L'n': case L'o': case L'p': case L'q': case L'r': case L's': case L't': case L'u': case L'v': case L'w': case L'x': case L'y': case L'z': case L'{': case L'|': case L'}': case L'~': break; default: return (wctype_t) 0; } # endif /* Avoid overrunning the buffer. */ if (cp == s + CHAR_CLASS_MAX_LENGTH) return (wctype_t) 0; *cp++ = (char) *wcs++; } while (*wcs != L'\0'); *cp = '\0'; # ifdef _LIBC return __wctype (s); # else return wctype (s); # endif } # define IS_CHAR_CLASS(string) is_char_class (string) # include "fnmatch_loop.c" # endif int fnmatch (const char *pattern, const char *string, int flags) { # if defined HANDLE_MULTIBYTE if (__builtin_expect (MB_CUR_MAX, 1) != 1) { mbstate_t ps; size_t n; const char *p; wchar_t *wpattern = NULL; wchar_t *wstring = NULL; /* Convert the strings into wide characters. */ memset (&ps, '\0', sizeof (ps)); p = pattern; #ifdef _LIBC n = strnlen (pattern, 1024); #else n = strlen (pattern); #endif if (__builtin_expect (n < 1024, 1)) { wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t)); n = mbsrtowcs (wpattern, &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 (p) memset (&ps, '\0', sizeof (ps)); } if (__builtin_expect (p != NULL, 0)) { n = mbsrtowcs (NULL, &pattern, 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; wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t)); assert (mbsinit (&ps)); (void) mbsrtowcs (wpattern, &pattern, n + 1, &ps); } assert (mbsinit (&ps)); #ifdef _LIBC n = strnlen (string, 1024); #else n = strlen (string); #endif p = string; if (__builtin_expect (n < 1024, 1)) { 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; if (p) memset (&ps, '\0', sizeof (ps)); } if (__builtin_expect (p != NULL, 0)) { 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; wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t)); assert (mbsinit (&ps)); (void) mbsrtowcs (wstring, &string, n + 1, &ps); } return internal_fnwmatch (wpattern, wstring, wstring + n, flags & FNM_PERIOD, flags); } # endif /* mbstate_t and mbsrtowcs or _LIBC. */ return internal_fnmatch (pattern, string, string + strlen (string), flags & FNM_PERIOD, flags); } # ifdef _LIBC # undef fnmatch versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3); # if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3) strong_alias (__fnmatch, __fnmatch_old) compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0); # endif libc_hidden_ver (__fnmatch, fnmatch) # else libc_hidden_def(fnmatch) # endif #endif /* _LIBC or not __GNU_LIBRARY__. */