xref: /freebsd/lib/libc/tests/gen/fnmatch_test.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
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/cdefs.h>
28 #include <sys/param.h>
29 #include <errno.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <unistd.h>
34 
35 #include <atf-c.h>
36 
37 #include "fnmatch_testcases.h"
38 
39 static const char *
40 flags_to_string(int flags)
41 {
42 	static const int flagvalues[] = { FNM_NOESCAPE, FNM_PATHNAME,
43 		FNM_PERIOD, FNM_LEADING_DIR, FNM_CASEFOLD, 0 };
44 	static const char flagnames[] = "FNM_NOESCAPE\0FNM_PATHNAME\0FNM_PERIOD\0FNM_LEADING_DIR\0FNM_CASEFOLD\0";
45 	static char result[sizeof(flagnames) + 3 * sizeof(int) + 2];
46 	char *p;
47 	size_t i, len;
48 	const char *fp;
49 
50 	p = result;
51 	fp = flagnames;
52 	for (i = 0; flagvalues[i] != 0; i++) {
53 		len = strlen(fp);
54 		if (flags & flagvalues[i]) {
55 			if (p != result)
56 				*p++ = '|';
57 			memcpy(p, fp, len);
58 			p += len;
59 			flags &= ~flagvalues[i];
60 		}
61 		fp += len + 1;
62 	}
63 	if (p == result)
64 		memcpy(p, "0", 2);
65 	else if (flags != 0)
66 		sprintf(p, "%d", flags);
67 	else
68 		*p = '\0';
69 	return result;
70 }
71 
72 ATF_TC_WITHOUT_HEAD(fnmatch_test);
73 ATF_TC_BODY(fnmatch_test, tc)
74 {
75 	size_t i;
76 	int flags, result;
77 	struct testcase *t;
78 
79 	for (i = 0; i < nitems(testcases); i++) {
80 		t = &testcases[i];
81 		flags = t->flags;
82 		do {
83 			result = fnmatch(t->pattern, t->string, flags);
84 			if (result != t->result)
85 				break;
86 			if (strchr(t->pattern, '\\') == NULL &&
87 			    !(flags & FNM_NOESCAPE)) {
88 				flags |= FNM_NOESCAPE;
89 				result = fnmatch(t->pattern, t->string, flags);
90 				if (result != t->result)
91 					break;
92 				flags = t->flags;
93 			}
94 			if (strchr(t->pattern, '\\') != NULL &&
95 			    strchr(t->string, '\\') == NULL &&
96 			    t->result == FNM_NOMATCH &&
97 			    !(flags & (FNM_NOESCAPE | FNM_LEADING_DIR))) {
98 				flags |= FNM_NOESCAPE;
99 				result = fnmatch(t->pattern, t->string, flags);
100 				if (result != t->result)
101 					break;
102 				flags = t->flags;
103 			}
104 			if ((t->string[0] != '.' || t->pattern[0] == '.' ||
105 			    t->result == FNM_NOMATCH) &&
106 			    !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
107 				flags |= FNM_PERIOD;
108 				result = fnmatch(t->pattern, t->string, flags);
109 				if (result != t->result)
110 					break;
111 				flags = t->flags;
112 			}
113 			if ((strchr(t->string, '/') == NULL ||
114 			    t->result == FNM_NOMATCH) &&
115 			    !(flags & FNM_PATHNAME)) {
116 				flags |= FNM_PATHNAME;
117 				result = fnmatch(t->pattern, t->string, flags);
118 				if (result != t->result)
119 					break;
120 				flags = t->flags;
121 			}
122 			if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
123 			    strstr(t->string, "/.") == NULL) ||
124 			    t->result == FNM_NOMATCH) &&
125 			    flags & FNM_PATHNAME && !(flags & FNM_PERIOD)) {
126 				flags |= FNM_PERIOD;
127 				result = fnmatch(t->pattern, t->string, flags);
128 				if (result != t->result)
129 					break;
130 				flags = t->flags;
131 			}
132 			if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
133 			    strchr(t->string, '/') == NULL) ||
134 			    t->result == FNM_NOMATCH) &&
135 			    !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
136 				flags |= FNM_PATHNAME | FNM_PERIOD;
137 				result = fnmatch(t->pattern, t->string, flags);
138 				if (result != t->result)
139 					break;
140 				flags = t->flags;
141 			}
142 			if ((strchr(t->string, '/') == NULL || t->result == 0)
143 			    && !(flags & FNM_LEADING_DIR)) {
144 				flags |= FNM_LEADING_DIR;
145 				result = fnmatch(t->pattern, t->string, flags);
146 				if (result != t->result)
147 					break;
148 				flags = t->flags;
149 			}
150 			if (t->result == 0 && !(flags & FNM_CASEFOLD)) {
151 				flags |= FNM_CASEFOLD;
152 				result = fnmatch(t->pattern, t->string, flags);
153 				if (result != t->result)
154 					break;
155 				flags = t->flags;
156 			}
157 			if (strchr(t->pattern, '\\') == NULL &&
158 			    t->result == 0 &&
159 			    !(flags & (FNM_NOESCAPE | FNM_CASEFOLD))) {
160 				flags |= FNM_NOESCAPE | FNM_CASEFOLD;
161 				result = fnmatch(t->pattern, t->string, flags);
162 				if (result != t->result)
163 					break;
164 				flags = t->flags;
165 			}
166 		} while (0);
167 
168 		ATF_CHECK(result == t->result);
169 		if (result == t->result)
170 			printf("fnmatch(\"%s\", \"%s\", %s) == %d\n",
171 			    t->pattern, t->string, flags_to_string(flags), result);
172 		else
173 			printf("fnmatch(\"%s\", \"%s\", %s) != %d (was %d)\n",
174 			    t->pattern, t->string, flags_to_string(flags),
175 			    t->result, result);
176 	}
177 
178 }
179 
180 ATF_TP_ADD_TCS(tp)
181 {
182 
183 	ATF_TP_ADD_TC(tp, fnmatch_test);
184 
185 	return (atf_no_error());
186 }
187