1 /*
2 * Copyright (c) 2010 Jilles Tjoelker
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/param.h>
28 #include <errno.h>
29 #include <fnmatch.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <unistd.h>
34
35 struct testcase {
36 const char *pattern;
37 const char *string;
38 int flags;
39 int result;
40 } testcases[] = {
41 { "", "", 0, 0 },
42 { "a", "a", 0, 0 },
43 { "a", "b", 0, FNM_NOMATCH },
44 { "a", "A", 0, FNM_NOMATCH },
45 { "*", "a", 0, 0 },
46 { "*", "aa", 0, 0 },
47 { "*a", "a", 0, 0 },
48 { "*a", "b", 0, FNM_NOMATCH },
49 { "*a*", "b", 0, FNM_NOMATCH },
50 { "*a*b*", "ab", 0, 0 },
51 { "*a*b*", "qaqbq", 0, 0 },
52 { "*a*bb*", "qaqbqbbq", 0, 0 },
53 { "*a*bc*", "qaqbqbcq", 0, 0 },
54 { "*a*bb*", "qaqbqbb", 0, 0 },
55 { "*a*bc*", "qaqbqbc", 0, 0 },
56 { "*a*bb", "qaqbqbb", 0, 0 },
57 { "*a*bc", "qaqbqbc", 0, 0 },
58 { "*a*bb", "qaqbqbbq", 0, FNM_NOMATCH },
59 { "*a*bc", "qaqbqbcq", 0, FNM_NOMATCH },
60 { "*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaa", 0, FNM_NOMATCH },
61 { "*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaaa", 0, 0 },
62 { "*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaaaa", 0, 0 },
63 { ".*.*.*.*.*.*.*.*.*.*", ".........", 0, FNM_NOMATCH },
64 { ".*.*.*.*.*.*.*.*.*.*", "..........", 0, 0 },
65 { ".*.*.*.*.*.*.*.*.*.*", "...........", 0, 0 },
66 { "*?*?*?*?*?*?*?*?*?*?*", "123456789", 0, FNM_NOMATCH },
67 { "??????????*", "123456789", 0, FNM_NOMATCH },
68 { "*??????????", "123456789", 0, FNM_NOMATCH },
69 { "*?*?*?*?*?*?*?*?*?*?*", "1234567890", 0, 0 },
70 { "??????????*", "1234567890", 0, 0 },
71 { "*??????????", "1234567890", 0, 0 },
72 { "*?*?*?*?*?*?*?*?*?*?*", "12345678901", 0, 0 },
73 { "??????????*", "12345678901", 0, 0 },
74 { "*??????????", "12345678901", 0, 0 },
75 { "[x]", "x", 0, 0 },
76 { "[*]", "*", 0, 0 },
77 { "[?]", "?", 0, 0 },
78 { "[", "[", 0, 0 },
79 { "[[]", "[", 0, 0 },
80 { "[[]", "x", 0, FNM_NOMATCH },
81 { "[*]", "", 0, FNM_NOMATCH },
82 { "[*]", "x", 0, FNM_NOMATCH },
83 { "[?]", "x", 0, FNM_NOMATCH },
84 { "*[*]*", "foo*foo", 0, 0 },
85 { "*[*]*", "foo", 0, FNM_NOMATCH },
86 { "[0-9]", "0", 0, 0 },
87 { "[0-9]", "5", 0, 0 },
88 { "[0-9]", "9", 0, 0 },
89 { "[0-9]", "/", 0, FNM_NOMATCH },
90 { "[0-9]", ":", 0, FNM_NOMATCH },
91 { "[0-9]", "*", 0, FNM_NOMATCH },
92 { "[!0-9]", "0", 0, FNM_NOMATCH },
93 { "[!0-9]", "5", 0, FNM_NOMATCH },
94 { "[!0-9]", "9", 0, FNM_NOMATCH },
95 { "[!0-9]", "/", 0, 0 },
96 { "[!0-9]", ":", 0, 0 },
97 { "[!0-9]", "*", 0, 0 },
98 { "*[0-9]", "a0", 0, 0 },
99 { "*[0-9]", "a5", 0, 0 },
100 { "*[0-9]", "a9", 0, 0 },
101 { "*[0-9]", "a/", 0, FNM_NOMATCH },
102 { "*[0-9]", "a:", 0, FNM_NOMATCH },
103 { "*[0-9]", "a*", 0, FNM_NOMATCH },
104 { "*[!0-9]", "a0", 0, FNM_NOMATCH },
105 { "*[!0-9]", "a5", 0, FNM_NOMATCH },
106 { "*[!0-9]", "a9", 0, FNM_NOMATCH },
107 { "*[!0-9]", "a/", 0, 0 },
108 { "*[!0-9]", "a:", 0, 0 },
109 { "*[!0-9]", "a*", 0, 0 },
110 { "*[0-9]", "a00", 0, 0 },
111 { "*[0-9]", "a55", 0, 0 },
112 { "*[0-9]", "a99", 0, 0 },
113 { "*[0-9]", "a0a0", 0, 0 },
114 { "*[0-9]", "a5a5", 0, 0 },
115 { "*[0-9]", "a9a9", 0, 0 },
116 { "\\*", "*", 0, 0 },
117 { "\\?", "?", 0, 0 },
118 { "\\[x]", "[x]", 0, 0 },
119 { "\\[", "[", 0, 0 },
120 { "\\\\", "\\", 0, 0 },
121 { "*\\**", "foo*foo", 0, 0 },
122 { "*\\**", "foo", 0, FNM_NOMATCH },
123 { "*\\\\*", "foo\\foo", 0, 0 },
124 { "*\\\\*", "foo", 0, FNM_NOMATCH },
125 { "\\(", "(", 0, 0 },
126 { "\\a", "a", 0, 0 },
127 { "\\*", "a", 0, FNM_NOMATCH },
128 { "\\?", "a", 0, FNM_NOMATCH },
129 { "\\*", "\\*", 0, FNM_NOMATCH },
130 { "\\?", "\\?", 0, FNM_NOMATCH },
131 { "\\[x]", "\\[x]", 0, FNM_NOMATCH },
132 { "\\[x]", "\\x", 0, FNM_NOMATCH },
133 { "\\[", "\\[", 0, FNM_NOMATCH },
134 { "\\(", "\\(", 0, FNM_NOMATCH },
135 { "\\a", "\\a", 0, FNM_NOMATCH },
136 { "\\", "\\", 0, FNM_NOMATCH },
137 { "\\", "", 0, FNM_NOMATCH },
138 { "\\*", "\\*", FNM_NOESCAPE, 0 },
139 { "\\?", "\\?", FNM_NOESCAPE, 0 },
140 { "\\", "\\", FNM_NOESCAPE, 0 },
141 { "\\\\", "\\", FNM_NOESCAPE, FNM_NOMATCH },
142 { "\\\\", "\\\\", FNM_NOESCAPE, 0 },
143 { "*\\*", "foo\\foo", FNM_NOESCAPE, 0 },
144 { "*\\*", "foo", FNM_NOESCAPE, FNM_NOMATCH },
145 { "*", ".", FNM_PERIOD, FNM_NOMATCH },
146 { "?", ".", FNM_PERIOD, FNM_NOMATCH },
147 { ".*", ".", 0, 0 },
148 { ".*", "..", 0, 0 },
149 { ".*", ".a", 0, 0 },
150 { "[0-9]", ".", FNM_PERIOD, FNM_NOMATCH },
151 { "a*", "a.", 0, 0 },
152 { "a/a", "a/a", FNM_PATHNAME, 0 },
153 { "a/*", "a/a", FNM_PATHNAME, 0 },
154 { "*/a", "a/a", FNM_PATHNAME, 0 },
155 { "*/*", "a/a", FNM_PATHNAME, 0 },
156 { "a*b/*", "abbb/x", FNM_PATHNAME, 0 },
157 { "a*b/*", "abbb/.x", FNM_PATHNAME, 0 },
158 { "*", "a/a", FNM_PATHNAME, FNM_NOMATCH },
159 { "*/*", "a/a/a", FNM_PATHNAME, FNM_NOMATCH },
160 { "b/*", "b/.x", FNM_PATHNAME | FNM_PERIOD, FNM_NOMATCH },
161 { "b*/*", "a/.x", FNM_PATHNAME | FNM_PERIOD, FNM_NOMATCH },
162 { "b/.*", "b/.x", FNM_PATHNAME | FNM_PERIOD, 0 },
163 { "b*/.*", "b/.x", FNM_PATHNAME | FNM_PERIOD, 0 },
164 { "a", "A", FNM_CASEFOLD, 0 },
165 { "A", "a", FNM_CASEFOLD, 0 },
166 { "[a]", "A", FNM_CASEFOLD, 0 },
167 { "[A]", "a", FNM_CASEFOLD, 0 },
168 { "a", "b", FNM_CASEFOLD, FNM_NOMATCH },
169 { "a", "a/b", FNM_PATHNAME, FNM_NOMATCH },
170 { "*", "a/b", FNM_PATHNAME, FNM_NOMATCH },
171 { "*b", "a/b", FNM_PATHNAME, FNM_NOMATCH },
172 { "a", "a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0 },
173 { "*", "a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0 },
174 { "*", ".a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0 },
175 { "*a", ".a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0 },
176 { "*", ".a/b", FNM_PATHNAME | FNM_PERIOD | FNM_LEADING_DIR,
177 FNM_NOMATCH },
178 { "*a", ".a/b", FNM_PATHNAME | FNM_PERIOD | FNM_LEADING_DIR,
179 FNM_NOMATCH },
180 { "a*b/*", "abbb/.x", FNM_PATHNAME | FNM_PERIOD, FNM_NOMATCH },
181 };
182
183 static const char *
flags_to_string(int flags)184 flags_to_string(int flags)
185 {
186 static const int flagvalues[] = { FNM_NOESCAPE, FNM_PATHNAME,
187 FNM_PERIOD, FNM_LEADING_DIR, FNM_CASEFOLD, 0 };
188 static const char flagnames[] = "FNM_NOESCAPE\0FNM_PATHNAME\0"
189 "FNM_PERIOD\0FNM_LEADING_DIR\0FNM_CASEFOLD\0";
190 static char result[sizeof (flagnames) + 3 * sizeof (int) + 2];
191 char *p;
192 size_t i, len;
193 const char *fp;
194
195 p = result;
196 fp = flagnames;
197 for (i = 0; flagvalues[i] != 0; i++) {
198 len = strlen(fp);
199 if (flags & flagvalues[i]) {
200 if (p != result)
201 *p++ = '|';
202 memcpy(p, fp, len);
203 p += len;
204 flags &= ~flagvalues[i];
205 }
206 fp += len + 1;
207 }
208 if (p == result)
209 memcpy(p, "0", 2);
210 else if (flags != 0)
211 (void) sprintf(p, "%d", flags);
212 else
213 *p = '\0';
214 return (result);
215 }
216
217 int
main(void)218 main(void)
219 {
220 size_t i;
221 int flags, result;
222 int ret = 0;
223 struct testcase *t;
224
225 for (i = 0; i < sizeof (testcases) / sizeof (struct testcase); i++) {
226 t = &testcases[i];
227 flags = t->flags;
228 do {
229 result = fnmatch(t->pattern, t->string, flags);
230 if (result != t->result)
231 break;
232 if (strchr(t->pattern, '\\') == NULL &&
233 !(flags & FNM_NOESCAPE)) {
234 flags |= FNM_NOESCAPE;
235 result = fnmatch(t->pattern, t->string, flags);
236 if (result != t->result)
237 break;
238 flags = t->flags;
239 }
240 if (strchr(t->pattern, '\\') != NULL &&
241 strchr(t->string, '\\') == NULL &&
242 t->result == FNM_NOMATCH &&
243 !(flags & (FNM_NOESCAPE | FNM_LEADING_DIR))) {
244 flags |= FNM_NOESCAPE;
245 result = fnmatch(t->pattern, t->string, flags);
246 if (result != t->result)
247 break;
248 flags = t->flags;
249 }
250 if ((t->string[0] != '.' || t->pattern[0] == '.' ||
251 t->result == FNM_NOMATCH) &&
252 !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
253 flags |= FNM_PERIOD;
254 result = fnmatch(t->pattern, t->string, flags);
255 if (result != t->result)
256 break;
257 flags = t->flags;
258 }
259 if ((strchr(t->string, '/') == NULL ||
260 t->result == FNM_NOMATCH) &&
261 !(flags & FNM_PATHNAME)) {
262 flags |= FNM_PATHNAME;
263 result = fnmatch(t->pattern, t->string, flags);
264 if (result != t->result)
265 break;
266 flags = t->flags;
267 }
268 if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
269 strstr(t->string, "/.") == NULL) ||
270 t->result == FNM_NOMATCH) &&
271 flags & FNM_PATHNAME && !(flags & FNM_PERIOD)) {
272 flags |= FNM_PERIOD;
273 result = fnmatch(t->pattern, t->string, flags);
274 if (result != t->result)
275 break;
276 flags = t->flags;
277 }
278 if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
279 strchr(t->string, '/') == NULL) ||
280 t->result == FNM_NOMATCH) &&
281 !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
282 flags |= FNM_PATHNAME | FNM_PERIOD;
283 result = fnmatch(t->pattern, t->string, flags);
284 if (result != t->result)
285 break;
286 flags = t->flags;
287 }
288 if ((strchr(t->string, '/') == NULL ||
289 t->result == 0) &&
290 !(flags & FNM_LEADING_DIR)) {
291 flags |= FNM_LEADING_DIR;
292 result = fnmatch(t->pattern, t->string, flags);
293 if (result != t->result)
294 break;
295 flags = t->flags;
296 }
297 if (t->result == 0 && !(flags & FNM_CASEFOLD)) {
298 flags |= FNM_CASEFOLD;
299 result = fnmatch(t->pattern, t->string, flags);
300 if (result != t->result)
301 break;
302 flags = t->flags;
303 }
304 if (strchr(t->pattern, '\\') == NULL &&
305 t->result == 0 &&
306 !(flags & (FNM_NOESCAPE | FNM_CASEFOLD))) {
307 flags |= FNM_NOESCAPE | FNM_CASEFOLD;
308 result = fnmatch(t->pattern, t->string, flags);
309 if (result != t->result)
310 break;
311 flags = t->flags;
312 }
313 } while (0);
314
315 if (result != t->result) {
316 printf("fnmatch(\"%s\", \"%s\", %s) != %d (was %d)\n",
317 t->pattern, t->string, flags_to_string(flags),
318 t->result, result);
319 ret = 1;
320 }
321 }
322
323 return (ret);
324 }
325