xref: /freebsd/lib/libc/tests/gen/fnmatch_test.c (revision 97759ccc715c4b365432c16d763c50eecfcb1100)
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 <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 
34 #include <atf-c.h>
35 
36 #include "fnmatch_testcases.h"
37 
38 static const char *
39 flags_to_string(int flags)
40 {
41 	static const int flagvalues[] = { FNM_NOESCAPE, FNM_PATHNAME,
42 		FNM_PERIOD, FNM_LEADING_DIR, FNM_CASEFOLD, 0 };
43 	static const char flagnames[] = "FNM_NOESCAPE\0FNM_PATHNAME\0FNM_PERIOD\0FNM_LEADING_DIR\0FNM_CASEFOLD\0";
44 	static char result[sizeof(flagnames) + 3 * sizeof(int) + 2];
45 	char *p;
46 	size_t i, len;
47 	const char *fp;
48 
49 	p = result;
50 	fp = flagnames;
51 	for (i = 0; flagvalues[i] != 0; i++) {
52 		len = strlen(fp);
53 		if (flags & flagvalues[i]) {
54 			if (p != result)
55 				*p++ = '|';
56 			memcpy(p, fp, len);
57 			p += len;
58 			flags &= ~flagvalues[i];
59 		}
60 		fp += len + 1;
61 	}
62 	if (p == result)
63 		memcpy(p, "0", 2);
64 	else if (flags != 0)
65 		sprintf(p, "%d", flags);
66 	else
67 		*p = '\0';
68 	return result;
69 }
70 
71 ATF_TC_WITHOUT_HEAD(fnmatch_test);
72 ATF_TC_BODY(fnmatch_test, tc)
73 {
74 	size_t i;
75 	int flags, result;
76 	struct testcase *t;
77 
78 	for (i = 0; i < nitems(testcases); i++) {
79 		t = &testcases[i];
80 		flags = t->flags;
81 		do {
82 			result = fnmatch(t->pattern, t->string, flags);
83 			if (result != t->result)
84 				break;
85 			if (strchr(t->pattern, '\\') == NULL &&
86 			    !(flags & FNM_NOESCAPE)) {
87 				flags |= FNM_NOESCAPE;
88 				result = fnmatch(t->pattern, t->string, flags);
89 				if (result != t->result)
90 					break;
91 				flags = t->flags;
92 			}
93 			if (strchr(t->pattern, '\\') != NULL &&
94 			    strchr(t->string, '\\') == NULL &&
95 			    t->result == FNM_NOMATCH &&
96 			    !(flags & (FNM_NOESCAPE | FNM_LEADING_DIR))) {
97 				flags |= FNM_NOESCAPE;
98 				result = fnmatch(t->pattern, t->string, flags);
99 				if (result != t->result)
100 					break;
101 				flags = t->flags;
102 			}
103 			if ((t->string[0] != '.' || t->pattern[0] == '.' ||
104 			    t->result == FNM_NOMATCH) &&
105 			    !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
106 				flags |= FNM_PERIOD;
107 				result = fnmatch(t->pattern, t->string, flags);
108 				if (result != t->result)
109 					break;
110 				flags = t->flags;
111 			}
112 			if ((strchr(t->string, '/') == NULL ||
113 			    t->result == FNM_NOMATCH) &&
114 			    !(flags & FNM_PATHNAME)) {
115 				flags |= FNM_PATHNAME;
116 				result = fnmatch(t->pattern, t->string, flags);
117 				if (result != t->result)
118 					break;
119 				flags = t->flags;
120 			}
121 			if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
122 			    strstr(t->string, "/.") == NULL) ||
123 			    t->result == FNM_NOMATCH) &&
124 			    flags & FNM_PATHNAME && !(flags & FNM_PERIOD)) {
125 				flags |= FNM_PERIOD;
126 				result = fnmatch(t->pattern, t->string, flags);
127 				if (result != t->result)
128 					break;
129 				flags = t->flags;
130 			}
131 			if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
132 			    strchr(t->string, '/') == NULL) ||
133 			    t->result == FNM_NOMATCH) &&
134 			    !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
135 				flags |= FNM_PATHNAME | FNM_PERIOD;
136 				result = fnmatch(t->pattern, t->string, flags);
137 				if (result != t->result)
138 					break;
139 				flags = t->flags;
140 			}
141 			if ((strchr(t->string, '/') == NULL || t->result == 0)
142 			    && !(flags & FNM_LEADING_DIR)) {
143 				flags |= FNM_LEADING_DIR;
144 				result = fnmatch(t->pattern, t->string, flags);
145 				if (result != t->result)
146 					break;
147 				flags = t->flags;
148 			}
149 			if (t->result == 0 && !(flags & FNM_CASEFOLD)) {
150 				flags |= FNM_CASEFOLD;
151 				result = fnmatch(t->pattern, t->string, flags);
152 				if (result != t->result)
153 					break;
154 				flags = t->flags;
155 			}
156 			if (strchr(t->pattern, '\\') == NULL &&
157 			    t->result == 0 &&
158 			    !(flags & (FNM_NOESCAPE | FNM_CASEFOLD))) {
159 				flags |= FNM_NOESCAPE | FNM_CASEFOLD;
160 				result = fnmatch(t->pattern, t->string, flags);
161 				if (result != t->result)
162 					break;
163 				flags = t->flags;
164 			}
165 		} while (0);
166 
167 		ATF_CHECK(result == t->result);
168 		if (result == t->result)
169 			printf("fnmatch(\"%s\", \"%s\", %s) == %d\n",
170 			    t->pattern, t->string, flags_to_string(flags), result);
171 		else
172 			printf("fnmatch(\"%s\", \"%s\", %s) != %d (was %d)\n",
173 			    t->pattern, t->string, flags_to_string(flags),
174 			    t->result, result);
175 	}
176 
177 }
178 
179 ATF_TP_ADD_TCS(tp)
180 {
181 
182 	ATF_TP_ADD_TC(tp, fnmatch_test);
183 
184 	return (atf_no_error());
185 }
186