]>
Commit | Line | Data |
---|---|---|
6c805a2b | 1 | /* Regular expression tests. |
04277e02 | 2 | Copyright (C) 2003-2019 Free Software Foundation, Inc. |
6c805a2b UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library 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 GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
6c805a2b UD |
19 | |
20 | #include <sys/types.h> | |
21 | #include <mcheck.h> | |
22 | #include <regex.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | ||
27 | void | |
28 | frob_escapes (char *src, int pattern) | |
29 | { | |
30 | char *dst; | |
31 | ||
32 | for (dst = src; *src != '\0'; dst++, src++) | |
33 | { | |
34 | if (*src == '\\') | |
35 | { | |
36 | switch (src[1]) | |
37 | { | |
38 | case 't': | |
39 | src++; | |
40 | *dst = '\t'; | |
41 | continue; | |
42 | case 'n': | |
43 | src++; | |
44 | *dst = '\n'; | |
45 | continue; | |
46 | case 'r': | |
47 | src++; | |
48 | *dst = '\r'; | |
49 | continue; | |
50 | case '\\': | |
51 | case '^': | |
52 | case '{': | |
53 | case '|': | |
54 | case '}': | |
55 | if (!pattern) | |
56 | { | |
57 | src++; | |
58 | *dst = *src; | |
59 | continue; | |
60 | } | |
61 | break; | |
62 | } | |
63 | } | |
64 | if (src != dst) | |
65 | *dst = *src; | |
66 | } | |
67 | *dst = '\0'; | |
68 | } | |
69 | ||
70 | int | |
71 | main (int argc, char **argv) | |
72 | { | |
73 | int ret = 0, n; | |
74 | char *line = NULL; | |
75 | size_t line_len = 0; | |
76 | ssize_t len; | |
77 | FILE *f; | |
78 | char *pattern, *string; | |
79 | int flags = REG_EXTENDED; | |
80 | int eflags = 0; | |
81 | regex_t re; | |
82 | regmatch_t rm[20]; | |
83 | ||
84 | mtrace (); | |
85 | ||
86 | if (argc < 2) | |
87 | { | |
88 | fprintf (stderr, "Missing test filename\n"); | |
89 | return 1; | |
90 | } | |
91 | ||
92 | f = fopen (argv[1], "r"); | |
93 | if (f == NULL) | |
94 | { | |
95 | fprintf (stderr, "Couldn't open %s\n", argv[1]); | |
96 | return 1; | |
97 | } | |
98 | ||
99 | while ((len = getline (&line, &line_len, f)) > 0) | |
100 | { | |
101 | char *p, *q; | |
102 | int i; | |
103 | ||
104 | if (line[len - 1] == '\n') | |
105 | line[--len] = '\0'; | |
106 | ||
107 | puts (line); | |
108 | ||
109 | if (line[0] == ';') | |
110 | continue; | |
111 | ||
112 | if (line[0] == '\0') | |
113 | continue; | |
114 | ||
115 | if (line[0] == '-') | |
116 | { | |
117 | if (strstr (line, "REG_BASIC")) | |
118 | flags = 0; | |
119 | else | |
120 | flags = REG_EXTENDED; | |
121 | if (strstr (line, "REG_ICASE")) | |
122 | flags |= REG_ICASE; | |
123 | if (strstr (line, "REG_NEWLINE")) | |
124 | flags |= REG_NEWLINE; | |
125 | eflags = 0; | |
126 | if (strstr (line, "REG_NOTBOL")) | |
127 | eflags |= REG_NOTBOL; | |
128 | if (strstr (line, "REG_NOTEOL")) | |
129 | eflags |= REG_NOTEOL; | |
130 | continue; | |
131 | } | |
132 | ||
133 | pattern = line + strspn (line, " \t"); | |
134 | if (*pattern == '\0') | |
135 | continue; | |
136 | p = pattern + strcspn (pattern, " \t"); | |
137 | if (*p == '\0') | |
138 | continue; | |
139 | *p++ = '\0'; | |
140 | ||
141 | string = p + strspn (p, " \t"); | |
142 | if (*string == '\0') | |
143 | continue; | |
144 | if (*string == '"') | |
145 | { | |
146 | string++; | |
147 | p = strchr (string, '"'); | |
148 | if (p == NULL) | |
149 | continue; | |
150 | *p++ = '\0'; | |
151 | } | |
152 | else | |
153 | { | |
154 | p = string + strcspn (string, " \t"); | |
155 | if (*string == '!') | |
156 | string = NULL; | |
157 | else if (*p == '\0') | |
158 | continue; | |
159 | else | |
160 | *p++ = '\0'; | |
161 | } | |
162 | ||
163 | frob_escapes (pattern, 1); | |
164 | if (string != NULL) | |
165 | frob_escapes (string, 0); | |
166 | ||
167 | n = regcomp (&re, pattern, flags); | |
168 | if (n != 0) | |
169 | { | |
170 | if (string != NULL) | |
171 | { | |
172 | char buf[500]; | |
173 | regerror (n, &re, buf, sizeof (buf)); | |
174 | printf ("FAIL regcomp unexpectedly failed: %s\n", | |
175 | buf); | |
176 | ret = 1; | |
177 | } | |
178 | continue; | |
179 | } | |
180 | else if (string == NULL) | |
181 | { | |
182 | regfree (&re); | |
183 | puts ("FAIL regcomp unpexpectedly succeeded"); | |
184 | ret = 1; | |
185 | continue; | |
186 | } | |
187 | ||
188 | if (regexec (&re, string, 20, rm, eflags)) | |
189 | { | |
190 | for (i = 0; i < 20; ++i) | |
191 | { | |
192 | rm[i].rm_so = -1; | |
193 | rm[i].rm_eo = -1; | |
194 | } | |
195 | } | |
196 | ||
197 | regfree (&re); | |
198 | ||
199 | for (i = 0; i < 20 && *p != '\0'; ++i) | |
200 | { | |
201 | int rm_so, rm_eo; | |
202 | ||
203 | rm_so = strtol (p, &q, 10); | |
204 | if (p == q) | |
205 | break; | |
206 | p = q; | |
207 | ||
208 | rm_eo = strtol (p, &q, 10); | |
209 | if (p == q) | |
210 | break; | |
211 | p = q; | |
212 | ||
213 | if (rm[i].rm_so != rm_so || rm[i].rm_eo != rm_eo) | |
214 | { | |
215 | printf ("FAIL rm[%d] %d..%d != expected %d..%d\n", | |
216 | i, rm[i].rm_so, rm[i].rm_eo, rm_so, rm_eo); | |
217 | ret = 1; | |
218 | break; | |
219 | } | |
220 | } | |
221 | } | |
222 | ||
223 | free (line); | |
224 | fclose (f); | |
225 | return ret; | |
226 | } |