1 /* Copyright 1991, 1992, 1993, 1996, 1997, 2000 Free Software Foundation, Inc.
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; either version 2, or (at your option)
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software Foundation,
15 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 /* Enable GNU extensions in fnmatch.h. */
23 # define _GNU_SOURCE 1
30 #if defined STDC_HEADERS || !defined isascii
31 # define IN_CTYPE_DOMAIN(c) 1
33 # define IN_CTYPE_DOMAIN(c) isascii (c)
36 #define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
43 /* Match STRING against the filename pattern PATTERN, returning zero if
44 it matches, nonzero if not. */
46 fnmatch (const char *pattern, const char *string, int flags)
48 register const char *p = pattern, *n = string;
51 /* Note that this evaluates C many times. */
52 #define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER ((unsigned char) (c)) \
53 ? tolower ((unsigned char) (c)) \
56 while ((c = *p++) != '\0')
65 else if ((flags & FNM_FILE_NAME) && *n == '/')
67 else if ((flags & FNM_PERIOD) && *n == '.' &&
68 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
73 if (!(flags & FNM_NOESCAPE))
77 /* Trailing \ loses. */
86 if ((flags & FNM_PERIOD) && *n == '.' &&
87 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
90 for (c = *p++; c == '?' || c == '*'; c = *p++)
94 /* A ? needs to match one character. */
95 if (*n == '\0' || (*n == '/' && (flags & FNM_FILE_NAME)))
96 /* There isn't another character; no match. */
99 /* One character of the string is consumed in matching
100 this ? wildcard, so *??? won't match if there are
101 less than three characters. */
108 if ((flags & (FNM_FILE_NAME | FNM_LEADING_DIR)) == FNM_FILE_NAME)
109 for (; *n != '\0'; n++)
116 char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
118 for (--p; *n != '\0'; ++n)
119 if ((c == '[' || FOLD (*n) == c1) &&
120 fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
122 else if (*n == '/' && (flags & FNM_FILE_NAME))
129 /* Nonzero if the sense of the character class is inverted. */
135 if ((flags & FNM_PERIOD) && *n == '.' &&
136 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
139 not = (*p == '!' || *p == '^');
146 register char cstart = c, cend = c;
148 if (!(flags & FNM_NOESCAPE) && c == '\\')
152 cstart = cend = *p++;
155 cstart = cend = FOLD (cstart);
158 /* [ (unterminated) loses. */
164 if ((flags & FNM_FILE_NAME) && c == '/')
165 /* [/] can never match. */
168 if (c == '-' && *p != ']')
171 if (!(flags & FNM_NOESCAPE) && cend == '\\')
180 if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
191 /* Skip the rest of the [...] that already matched. */
195 /* [... (unterminated) loses. */
199 if (!(flags & FNM_NOESCAPE) && c == '\\')
203 /* XXX 1003.2d11 is unclear if this is right. */
223 if ((flags & FNM_LEADING_DIR) && *n == '/')
224 /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */