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Diffstat (limited to 'src/port/fnmatch.c')
| -rw-r--r-- | src/port/fnmatch.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/src/port/fnmatch.c b/src/port/fnmatch.c deleted file mode 100644 index c7fbc54a317..00000000000 --- a/src/port/fnmatch.c +++ /dev/null @@ -1,198 +0,0 @@ -/*------------------------------------------------------------------------- - * - * fnmatch.c - * fnmatch() - wildcard matching function - * - * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group - * - * - * IDENTIFICATION - * $PostgreSQL: pgsql/src/port/fnmatch.c,v 1.1 2008/11/24 09:15:16 mha Exp $ - * - * This file was taken from NetBSD and is used on platforms that don't - * provide fnmatch(). The NetBSD copyright terms follow. - *------------------------------------------------------------------------- - */ - -/* $NetBSD: fnmatch.c,v 1.21 2005/12/24 21:11:16 perry Exp $ */ - -/* - * 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. - * 3. 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. - */ - -/* - * Function fnmatch() as specified in POSIX 1003.2-1992, section B.6. - * Compares a filename or pathname to a pattern. - */ - -#include "c.h" -#include "fnmatchstub.h" - -#define EOS '\0' - -static const char *rangematch (const char *, int, int); - -static inline int -foldcase(int ch, int flags) -{ - - if ((flags & FNM_CASEFOLD) != 0 && isupper(ch)) - return (tolower(ch)); - return (ch); -} - -#define FOLDCASE(ch, flags) foldcase((unsigned char)(ch), (flags)) - -int -fnmatch(pattern, string, flags) - const char *pattern, *string; - int flags; -{ - const char *stringstart; - char c, test; - - for (stringstart = string;;) - switch (c = FOLDCASE(*pattern++, flags)) { - case EOS: - if ((flags & FNM_LEADING_DIR) && *string == '/') - return (0); - return (*string == EOS ? 0 : FNM_NOMATCH); - case '?': - if (*string == EOS) - return (FNM_NOMATCH); - if (*string == '/' && (flags & FNM_PATHNAME)) - return (FNM_NOMATCH); - if (*string == '.' && (flags & FNM_PERIOD) && - (string == stringstart || - ((flags & FNM_PATHNAME) && *(string - 1) == '/'))) - return (FNM_NOMATCH); - ++string; - break; - case '*': - c = FOLDCASE(*pattern, flags); - /* Collapse multiple stars. */ - while (c == '*') - c = FOLDCASE(*++pattern, flags); - - if (*string == '.' && (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 ((test = FOLDCASE(*string, flags)) != EOS) { - if (!fnmatch(pattern, string, - flags & ~FNM_PERIOD)) - return (0); - if (test == '/' && flags & FNM_PATHNAME) - break; - ++string; - } - return (FNM_NOMATCH); - case '[': - if (*string == EOS) - return (FNM_NOMATCH); - if (*string == '/' && flags & FNM_PATHNAME) - return (FNM_NOMATCH); - if ((pattern = - rangematch(pattern, FOLDCASE(*string, flags), - flags)) == NULL) - return (FNM_NOMATCH); - ++string; - break; - case '\\': - if (!(flags & FNM_NOESCAPE)) { - if ((c = FOLDCASE(*pattern++, flags)) == EOS) { - c = '\\'; - --pattern; - } - } - /* FALLTHROUGH */ - default: - if (c != FOLDCASE(*string++, flags)) - return (FNM_NOMATCH); - break; - } - /* NOTREACHED */ -} - -static const char * -rangematch(pattern, test, flags) - const char *pattern; - int test, flags; -{ - int negate, ok; - char c, c2; - - /* - * 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 == '^')) != 0) - ++pattern; - - for (ok = 0; (c = FOLDCASE(*pattern++, flags)) != ']';) { - if (c == '\\' && !(flags & FNM_NOESCAPE)) - c = FOLDCASE(*pattern++, flags); - if (c == EOS) - return (NULL); - if (*pattern == '-' - && (c2 = FOLDCASE(*(pattern+1), flags)) != EOS && - c2 != ']') { - pattern += 2; - if (c2 == '\\' && !(flags & FNM_NOESCAPE)) - c2 = FOLDCASE(*pattern++, flags); - if (c2 == EOS) - return (NULL); - if (c <= test && test <= c2) - ok = 1; - } else if (c == test) - ok = 1; - } - return (ok == negate ? NULL : pattern); -} |