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Diffstat (limited to 'winsup/cygwin/libc/fnmatch.c')
| -rw-r--r-- | winsup/cygwin/libc/fnmatch.c | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/winsup/cygwin/libc/fnmatch.c b/winsup/cygwin/libc/fnmatch.c deleted file mode 100644 index 295f4c413..000000000 --- a/winsup/cygwin/libc/fnmatch.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * Copyright (c) 1989, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Guido van Rossum. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)fnmatch.c 8.2 (Berkeley) 4/16/94"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -#if 0 -__FBSDID("$FreeBSD: src/lib/libc/gen/fnmatch.c,v 1.18 2007/01/09 00:27:53 imp Exp $"); -#endif - -/* - * Function fnmatch() as specified in POSIX 1003.2-1992, section B.6. - * Compares a filename or pathname to a pattern. - */ - -/* - * Some notes on multibyte character support: - * 1. Patterns with illegal byte sequences match nothing. - * 2. Illegal byte sequences in the "string" argument are handled by treating - * them as single-byte characters with a value of the first byte of the - * sequence cast to wchar_t. - * 3. Multibyte conversion state objects (mbstate_t) are passed around and - * used for most, but not all, conversions. Further work will be required - * to support state-dependent encodings. - */ - -#include <fnmatch.h> -#include <limits.h> -#include <string.h> -#include <wchar.h> -#include <wctype.h> - -#include "../posix/collate.h" - -#define EOS '\0' - -#define RANGE_MATCH 1 -#define RANGE_NOMATCH 0 -#define RANGE_ERROR (-1) - -static int rangematch(const char *, wchar_t, int, char **, mbstate_t *); -static int fnmatch1(const char *, const char *, int, mbstate_t, mbstate_t); - -int -fnmatch(pattern, string, flags) - const char *pattern, *string; - int flags; -{ - static const mbstate_t initial; - - return (fnmatch1(pattern, string, flags, initial, initial)); -} - -static int -fnmatch1(pattern, string, flags, patmbs, strmbs) - const char *pattern, *string; - int flags; - mbstate_t patmbs, strmbs; -{ - const char *stringstart; - char *newp; - char c; - wchar_t pc, sc; - size_t pclen, sclen; - - for (stringstart = string;;) { - pclen = mbrtowc(&pc, pattern, MB_LEN_MAX, &patmbs); - if (pclen == (size_t)-1 || pclen == (size_t)-2) - return (FNM_NOMATCH); - pattern += pclen; - sclen = mbrtowc(&sc, string, MB_LEN_MAX, &strmbs); - if (sclen == (size_t)-1 || sclen == (size_t)-2) { - sc = (unsigned char)*string; - sclen = 1; - memset(&strmbs, 0, sizeof(strmbs)); - } - switch (pc) { - case EOS: - if ((flags & FNM_LEADING_DIR) && sc == '/') - return (0); - return (sc == EOS ? 0 : FNM_NOMATCH); - case '?': - if (sc == EOS) - return (FNM_NOMATCH); - if (sc == '/' && (flags & FNM_PATHNAME)) - return (FNM_NOMATCH); - if (sc == '.' && (flags & FNM_PERIOD) && - (string == stringstart || - ((flags & FNM_PATHNAME) && *(string - 1) == '/'))) - return (FNM_NOMATCH); - string += sclen; - break; - case '*': - c = *pattern; - /* Collapse multiple stars. */ - while (c == '*') - c = *++pattern; - - if (sc == '.' && (flags & FNM_PERIOD) && - (string == stringstart || - ((flags & FNM_PATHNAME) && *(string - 1) == '/'))) - return (FNM_NOMATCH); - - /* Optimize for pattern with * at end or before /. */ - if (c == EOS) - if (flags & FNM_PATHNAME) - return ((flags & FNM_LEADING_DIR) || - strchr(string, '/') == NULL ? - 0 : FNM_NOMATCH); - else - return (0); - else if (c == '/' && flags & FNM_PATHNAME) { - if ((string = strchr(string, '/')) == NULL) - return (FNM_NOMATCH); - break; - } - - /* General case, use recursion. */ - while (sc != EOS) { - if (!fnmatch1(pattern, string, - flags & ~FNM_PERIOD, patmbs, strmbs)) - return (0); - sclen = mbrtowc(&sc, string, MB_LEN_MAX, - &strmbs); - if (sclen == (size_t)-1 || - sclen == (size_t)-2) { - sc = (unsigned char)*string; - sclen = 1; - memset(&strmbs, 0, sizeof(strmbs)); - } - if (sc == '/' && flags & FNM_PATHNAME) - break; - string += sclen; - } - return (FNM_NOMATCH); - case '[': - if (sc == EOS) - return (FNM_NOMATCH); - if (sc == '/' && (flags & FNM_PATHNAME)) - return (FNM_NOMATCH); - if (sc == '.' && (flags & FNM_PERIOD) && - (string == stringstart || - ((flags & FNM_PATHNAME) && *(string - 1) == '/'))) - return (FNM_NOMATCH); - - switch (rangematch(pattern, sc, flags, &newp, - &patmbs)) { - case RANGE_ERROR: - goto norm; - case RANGE_MATCH: - pattern = newp; - break; - case RANGE_NOMATCH: - return (FNM_NOMATCH); - } - string += sclen; - break; - case '\\': - if (!(flags & FNM_NOESCAPE)) { - pclen = mbrtowc(&pc, pattern, MB_LEN_MAX, - &patmbs); - if (pclen == (size_t)-1 || pclen == (size_t)-2) - return (FNM_NOMATCH); - if (pclen == 0) - pc = '\\'; - pattern += pclen; - } - /* FALLTHROUGH */ - default: - norm: - if (pc == sc) - ; - else if ((flags & FNM_CASEFOLD) && - (towlower(pc) == towlower(sc))) - ; - else - return (FNM_NOMATCH); - string += sclen; - break; - } - } - /* NOTREACHED */ -} - -static int -rangematch(pattern, test, flags, newp, patmbs) - const char *pattern; - wchar_t test; - int flags; - char **newp; - mbstate_t *patmbs; -{ - int negate, ok; - wchar_t c, c2; - size_t pclen; - const char *origpat; - - /* - * A bracket expression starting with an unquoted circumflex - * character produces unspecified results (IEEE 1003.2-1992, - * 3.13.2). This implementation treats it like '!', for - * consistency with the regular expression syntax. - * J.T. Conklin (conklin@ngai.kaleida.com) - */ - if ( (negate = (*pattern == '!' || *pattern == '^')) ) - ++pattern; - - if (flags & FNM_CASEFOLD) - test = towlower(test); - - /* - * A right bracket shall lose its special meaning and represent - * itself in a bracket expression if it occurs first in the list. - * -- POSIX.2 2.8.3.2 - */ - ok = 0; - origpat = pattern; - for (;;) { - if (*pattern == ']' && pattern > origpat) { - pattern++; - break; - } else if (*pattern == '\0') { - return (RANGE_ERROR); - } else if (*pattern == '/' && (flags & FNM_PATHNAME)) { - return (RANGE_NOMATCH); - } else if (*pattern == '\\' && !(flags & FNM_NOESCAPE)) - pattern++; - pclen = mbrtowc(&c, pattern, MB_LEN_MAX, patmbs); - if (pclen == (size_t)-1 || pclen == (size_t)-2) - return (RANGE_NOMATCH); - pattern += pclen; - - if (flags & FNM_CASEFOLD) - c = towlower(c); - - if (*pattern == '-' && *(pattern + 1) != EOS && - *(pattern + 1) != ']') { - if (*++pattern == '\\' && !(flags & FNM_NOESCAPE)) - if (*pattern != EOS) - pattern++; - pclen = mbrtowc(&c2, pattern, MB_LEN_MAX, patmbs); - if (pclen == (size_t)-1 || pclen == (size_t)-2) - return (RANGE_NOMATCH); - pattern += pclen; - if (c2 == EOS) - return (RANGE_ERROR); - - if (flags & FNM_CASEFOLD) - c2 = towlower(c2); - - if (__collate_load_error ? - c <= test && test <= c2 : - __collate_range_cmp(c, test) <= 0 - && __collate_range_cmp(test, c2) <= 0 - ) - ok = 1; - } else if (c == test) - ok = 1; - } - - *newp = (char *)pattern; - return (ok == negate ? RANGE_NOMATCH : RANGE_MATCH); -} |