4 /* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
6 NOTE: The canonical source of this file is maintained with the GNU C Library.
7 Bugs can be reported to bug-glibc@prep.ai.mit.edu.
9 This program is free software; you can redistribute it and/or modify it
10 under the terms of the GNU General Public License as published by the
11 Free Software Foundation; either version 2, or (at your option) any
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
23 #if defined (STDC_HEADERS) || !defined (isascii)
26 #define ISASCII(c) isascii(c)
29 #define ISUPPER(c) (ISASCII (c) && isupper (c))
32 /* Comment out all this code if we are using the GNU C Library, and are not
33 actually compiling the library itself. This code is part of the GNU C
34 Library, but also included in many other GNU distributions. Compiling
35 and linking in this code is a waste when using the GNU C library
36 (especially if it is a shared library). Rather than having every GNU
37 program understand `configure --with-gnu-libc' and omit the object files,
38 it is simpler to just do this in the source for each such file. */
40 #if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
44 /* Match STRING against the filename pattern PATTERN, returning zero if
45 it matches, nonzero if not. */
46 int fnmatch (const char *pattern, const char *string, int flags)
48 register const char *p = pattern, *n = string;
51 /* Note that this evalutes C many times. */
52 #define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
54 while ((c = *p++) != '\0')
63 else if ((flags & FNM_FILE_NAME) && *n == '/')
65 else if ((flags & FNM_PERIOD) && *n == '.' &&
66 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
71 if (!(flags & FNM_NOESCAPE))
81 if ((flags & FNM_PERIOD) && *n == '.' &&
82 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
85 for (c = *p++; c == '?' || c == '*'; c = *p++, ++n)
86 if (((flags & FNM_FILE_NAME) && *n == '/') ||
87 (c == '?' && *n == '\0'))
94 char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
96 for (--p; *n != '\0'; ++n)
97 if ((c == '[' || FOLD (*n) == c1) &&
98 fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
105 /* Nonzero if the sense of the character class is inverted. */
111 if ((flags & FNM_PERIOD) && *n == '.' &&
112 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
115 not = (*p == '!' || *p == '^');
122 register char cstart = c, cend = c;
124 if (!(flags & FNM_NOESCAPE) && c == '\\')
125 cstart = cend = *p++;
127 cstart = cend = FOLD (cstart);
130 /* [ (unterminated) loses. */
136 if ((flags & FNM_FILE_NAME) && c == '/')
137 /* [/] can never match. */
140 if (c == '-' && *p != ']')
143 if (!(flags & FNM_NOESCAPE) && cend == '\\')
152 if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
163 /* Skip the rest of the [...] that already matched. */
167 /* [... (unterminated) loses. */
171 if (!(flags & FNM_NOESCAPE) && c == '\\')
172 /* XXX 1003.2d11 is unclear if this is right. */
191 if ((flags & FNM_LEADING_DIR) && *n == '/')
192 /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
198 #else /* HAVE_FNMATCH */
199 void fnmatch_dummy(void) {}