0
|
1 /* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
|
|
2
|
|
3 NOTE: This source is derived from an old version taken from the GNU C
|
|
4 Library (glibc).
|
|
5
|
|
6 This program is free software; you can redistribute it and/or modify it
|
|
7 under the terms of the GNU General Public License as published by the
|
|
8 Free Software Foundation; either version 2, or (at your option) any
|
|
9 later version.
|
|
10
|
|
11 This program is distributed in the hope that it will be useful,
|
|
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
14 GNU General Public License for more details.
|
|
15
|
|
16 You should have received a copy of the GNU General Public License
|
|
17 along with this program; if not, write to the Free Software
|
|
18 Foundation, 51 Franklin Street - Fifth Floor,
|
|
19 Boston, MA 02110-1301, USA. */
|
|
20
|
|
21 #ifdef HAVE_CONFIG_H
|
|
22 #if defined (CONFIG_BROKETS)
|
|
23 /* We use <config.h> instead of "config.h" so that a compilation
|
|
24 using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
|
|
25 (which it would do because it found this file in $srcdir). */
|
|
26 #include <config.h>
|
|
27 #else
|
|
28 #include "config.h"
|
|
29 #endif
|
|
30 #endif
|
|
31
|
|
32
|
|
33 #ifndef _GNU_SOURCE
|
|
34 #define _GNU_SOURCE
|
|
35 #endif
|
|
36
|
|
37 /* This code to undef const added in libiberty. */
|
|
38 #ifndef __STDC__
|
|
39 /* This is a separate conditional since some stdc systems
|
|
40 reject `defined (const)'. */
|
|
41 #ifndef const
|
|
42 #define const
|
|
43 #endif
|
|
44 #endif
|
|
45
|
|
46 #include <errno.h>
|
|
47 #include <fnmatch.h>
|
|
48 #include <safe-ctype.h>
|
|
49
|
|
50 /* Comment out all this code if we are using the GNU C Library, and are not
|
|
51 actually compiling the library itself. This code is part of the GNU C
|
|
52 Library, but also included in many other GNU distributions. Compiling
|
|
53 and linking in this code is a waste when using the GNU C library
|
|
54 (especially if it is a shared library). Rather than having every GNU
|
|
55 program understand `configure --with-gnu-libc' and omit the object files,
|
|
56 it is simpler to just do this in the source for each such file. */
|
|
57
|
|
58 #if defined (_LIBC) || !defined (__GNU_LIBRARY__)
|
|
59
|
|
60
|
|
61 #if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
|
|
62 extern int errno;
|
|
63 #endif
|
|
64
|
|
65 /* Match STRING against the filename pattern PATTERN, returning zero if
|
|
66 it matches, nonzero if not. */
|
|
67 int
|
|
68 fnmatch (const char *pattern, const char *string, int flags)
|
|
69 {
|
|
70 register const char *p = pattern, *n = string;
|
|
71 register unsigned char c;
|
|
72
|
|
73 #define FOLD(c) ((flags & FNM_CASEFOLD) ? TOLOWER (c) : (c))
|
|
74
|
|
75 while ((c = *p++) != '\0')
|
|
76 {
|
|
77 c = FOLD (c);
|
|
78
|
|
79 switch (c)
|
|
80 {
|
|
81 case '?':
|
|
82 if (*n == '\0')
|
|
83 return FNM_NOMATCH;
|
|
84 else if ((flags & FNM_FILE_NAME) && *n == '/')
|
|
85 return FNM_NOMATCH;
|
|
86 else if ((flags & FNM_PERIOD) && *n == '.' &&
|
|
87 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
|
|
88 return FNM_NOMATCH;
|
|
89 break;
|
|
90
|
|
91 case '\\':
|
|
92 if (!(flags & FNM_NOESCAPE))
|
|
93 {
|
|
94 c = *p++;
|
|
95 c = FOLD (c);
|
|
96 }
|
|
97 if (FOLD ((unsigned char)*n) != c)
|
|
98 return FNM_NOMATCH;
|
|
99 break;
|
|
100
|
|
101 case '*':
|
|
102 if ((flags & FNM_PERIOD) && *n == '.' &&
|
|
103 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
|
|
104 return FNM_NOMATCH;
|
|
105
|
|
106 for (c = *p++; c == '?' || c == '*'; c = *p++, ++n)
|
|
107 if (((flags & FNM_FILE_NAME) && *n == '/') ||
|
|
108 (c == '?' && *n == '\0'))
|
|
109 return FNM_NOMATCH;
|
|
110
|
|
111 if (c == '\0')
|
|
112 return 0;
|
|
113
|
|
114 {
|
|
115 unsigned char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
|
|
116 c1 = FOLD (c1);
|
|
117 for (--p; *n != '\0'; ++n)
|
|
118 if ((c == '[' || FOLD ((unsigned char)*n) == c1) &&
|
|
119 fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
|
|
120 return 0;
|
|
121 return FNM_NOMATCH;
|
|
122 }
|
|
123
|
|
124 case '[':
|
|
125 {
|
|
126 /* Nonzero if the sense of the character class is inverted. */
|
|
127 register int negate;
|
|
128
|
|
129 if (*n == '\0')
|
|
130 return FNM_NOMATCH;
|
|
131
|
|
132 if ((flags & FNM_PERIOD) && *n == '.' &&
|
|
133 (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
|
|
134 return FNM_NOMATCH;
|
|
135
|
|
136 negate = (*p == '!' || *p == '^');
|
|
137 if (negate)
|
|
138 ++p;
|
|
139
|
|
140 c = *p++;
|
|
141 for (;;)
|
|
142 {
|
|
143 register unsigned char cstart = c, cend = c;
|
|
144
|
|
145 if (!(flags & FNM_NOESCAPE) && c == '\\')
|
|
146 cstart = cend = *p++;
|
|
147
|
|
148 cstart = cend = FOLD (cstart);
|
|
149
|
|
150 if (c == '\0')
|
|
151 /* [ (unterminated) loses. */
|
|
152 return FNM_NOMATCH;
|
|
153
|
|
154 c = *p++;
|
|
155 c = FOLD (c);
|
|
156
|
|
157 if ((flags & FNM_FILE_NAME) && c == '/')
|
|
158 /* [/] can never match. */
|
|
159 return FNM_NOMATCH;
|
|
160
|
|
161 if (c == '-' && *p != ']')
|
|
162 {
|
|
163 cend = *p++;
|
|
164 if (!(flags & FNM_NOESCAPE) && cend == '\\')
|
|
165 cend = *p++;
|
|
166 if (cend == '\0')
|
|
167 return FNM_NOMATCH;
|
|
168 cend = FOLD (cend);
|
|
169
|
|
170 c = *p++;
|
|
171 }
|
|
172
|
|
173 if (FOLD ((unsigned char)*n) >= cstart
|
|
174 && FOLD ((unsigned char)*n) <= cend)
|
|
175 goto matched;
|
|
176
|
|
177 if (c == ']')
|
|
178 break;
|
|
179 }
|
|
180 if (!negate)
|
|
181 return FNM_NOMATCH;
|
|
182 break;
|
|
183
|
|
184 matched:;
|
|
185 /* Skip the rest of the [...] that already matched. */
|
|
186 while (c != ']')
|
|
187 {
|
|
188 if (c == '\0')
|
|
189 /* [... (unterminated) loses. */
|
|
190 return FNM_NOMATCH;
|
|
191
|
|
192 c = *p++;
|
|
193 if (!(flags & FNM_NOESCAPE) && c == '\\')
|
|
194 /* XXX 1003.2d11 is unclear if this is right. */
|
|
195 ++p;
|
|
196 }
|
|
197 if (negate)
|
|
198 return FNM_NOMATCH;
|
|
199 }
|
|
200 break;
|
|
201
|
|
202 default:
|
|
203 if (c != FOLD ((unsigned char)*n))
|
|
204 return FNM_NOMATCH;
|
|
205 }
|
|
206
|
|
207 ++n;
|
|
208 }
|
|
209
|
|
210 if (*n == '\0')
|
|
211 return 0;
|
|
212
|
|
213 if ((flags & FNM_LEADING_DIR) && *n == '/')
|
|
214 /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
|
|
215 return 0;
|
|
216
|
|
217 return FNM_NOMATCH;
|
|
218 }
|
|
219
|
|
220 #endif /* _LIBC or not __GNU_LIBRARY__. */
|