1 /* Copyright (C) 1991 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
22 #if !defined (__GNU_LIBRARY__) && !defined (STDC_HEADERS)
28 /* Match STRING against the filename pattern PATTERN, returning zero if
29 it matches, FNM_NOMATCH if not. */
31 fnmatch (pattern, string, flags)
36 register char *p = pattern, *n = string;
39 if ((flags & ~__FNM_FLAGS) != 0)
45 while ((c = *p++) != '\0')
52 else if ((flags & FNM_PATHNAME) && *n == '/')
54 else if ((flags & FNM_PERIOD) && *n == '.' &&
55 (n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
60 if (!(flags & FNM_NOESCAPE))
67 if ((flags & FNM_PERIOD) && *n == '.' &&
68 (n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
71 for (c = *p++; c == '?' || c == '*'; c = *p++)
73 if (((flags & FNM_PATHNAME) && *n == '/') ||
74 (c == '?' && *n == '\0'))
84 char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
85 for (--p; *n != '\0'; ++n)
86 if ((c == '[' || *n == c1) &&
87 fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
94 /* Nonzero if the sense of the character class is inverted. */
100 if ((flags & FNM_PERIOD) && *n == '.' &&
101 (n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
102 return (FNM_NOMATCH);
104 /* Make sure there is a closing `]'. If there isn't, the `['
105 is just a character to be matched. */
109 for (np = p; np && *np && *np != ']'; np++);
114 return (FNM_NOMATCH);
119 not = (*p == '!' || *p == '^');
126 register char cstart = c, cend = c;
128 if (!(flags & FNM_NOESCAPE) && c == '\\')
129 cstart = cend = *p++;
132 /* [ (unterminated) loses. */
133 return (FNM_NOMATCH);
137 if ((flags & FNM_PATHNAME) && c == '/')
138 /* [/] can never match. */
139 return (FNM_NOMATCH);
141 if (c == '-' && *p != ']')
144 if (!(flags & FNM_NOESCAPE) && cend == '\\')
147 return (FNM_NOMATCH);
151 if (*n >= cstart && *n <= cend)
158 return (FNM_NOMATCH);
164 /* Skip the rest of the [...] that already matched. */
168 /* [... (unterminated) loses. */
169 return (FNM_NOMATCH);
172 if (!(flags & FNM_NOESCAPE) && c == '\\')
173 /* 1003.2d11 is unclear if this is right. %%% */
177 return (FNM_NOMATCH);
183 return (FNM_NOMATCH);
192 return (FNM_NOMATCH);