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dbc676d4 | 1 | /* Test and measure strstr functions. |
bfff8b1b | 2 | Copyright (C) 2010-2017 Free Software Foundation, Inc. |
dbc676d4 UD |
3 | This file is part of the GNU C Library. |
4 | Written by Ulrich Drepper <drepper@redhat.com>, 2010. | |
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/>. */ | |
dbc676d4 UD |
19 | |
20 | #define TEST_MAIN | |
69f07e5f | 21 | #define TEST_NAME "strstr" |
dbc676d4 UD |
22 | #include "test-string.h" |
23 | ||
24 | ||
25 | #define STRSTR simple_strstr | |
26 | #include "strstr.c" | |
27 | ||
28 | ||
29 | static char * | |
30 | stupid_strstr (const char *s1, const char *s2) | |
31 | { | |
32 | ssize_t s1len = strlen (s1); | |
33 | ssize_t s2len = strlen (s2); | |
34 | ||
35 | if (s2len > s1len) | |
36 | return NULL; | |
37 | ||
38 | for (ssize_t i = 0; i <= s1len - s2len; ++i) | |
39 | { | |
40 | size_t j; | |
41 | for (j = 0; j < s2len; ++j) | |
42 | if (s1[i + j] != s2[j]) | |
43 | break; | |
44 | if (j == s2len) | |
45 | return (char *) s1 + i; | |
46 | } | |
47 | ||
48 | return NULL; | |
49 | } | |
50 | ||
51 | ||
52 | typedef char *(*proto_t) (const char *, const char *); | |
53 | ||
54 | IMPL (stupid_strstr, 0) | |
55 | IMPL (simple_strstr, 0) | |
56 | IMPL (strstr, 1) | |
57 | ||
58 | ||
03759f47 L |
59 | static int |
60 | check_result (impl_t *impl, const char *s1, const char *s2, | |
61 | char *exp_result) | |
dbc676d4 UD |
62 | { |
63 | char *result = CALL (impl, s1, s2); | |
64 | if (result != exp_result) | |
65 | { | |
66 | error (0, 0, "Wrong result in function %s %s %s", impl->name, | |
67 | result, exp_result); | |
68 | ret = 1; | |
03759f47 | 69 | return -1; |
dbc676d4 UD |
70 | } |
71 | ||
03759f47 L |
72 | return 0; |
73 | } | |
74 | ||
75 | static void | |
76 | do_one_test (impl_t *impl, const char *s1, const char *s2, char *exp_result) | |
77 | { | |
78 | if (check_result (impl, s1, s2, exp_result) < 0) | |
79 | return; | |
dbc676d4 UD |
80 | } |
81 | ||
82 | ||
83 | static void | |
84 | do_test (size_t align1, size_t align2, size_t len1, size_t len2, | |
85 | int fail) | |
86 | { | |
87 | char *s1 = (char *) (buf1 + align1); | |
88 | char *s2 = (char *) (buf2 + align2); | |
89 | ||
90 | static const char d[] = "1234567890abcdef"; | |
91 | #define dl (sizeof (d) - 1) | |
92 | char *ss2 = s2; | |
93 | for (size_t l = len2; l > 0; l = l > dl ? l - dl : 0) | |
94 | { | |
95 | size_t t = l > dl ? dl : l; | |
96 | ss2 = mempcpy (ss2, d, t); | |
97 | } | |
98 | s2[len2] = '\0'; | |
99 | ||
100 | if (fail) | |
101 | { | |
102 | char *ss1 = s1; | |
103 | for (size_t l = len1; l > 0; l = l > dl ? l - dl : 0) | |
104 | { | |
105 | size_t t = l > dl ? dl : l; | |
106 | memcpy (ss1, d, t); | |
107 | ++ss1[len2 > 7 ? 7 : len2 - 1]; | |
108 | ss1 += t; | |
109 | } | |
110 | } | |
111 | else | |
112 | { | |
113 | memset (s1, '0', len1); | |
114 | memcpy (s1 + len1 - len2, s2, len2); | |
115 | } | |
116 | s1[len1] = '\0'; | |
117 | ||
dbc676d4 UD |
118 | FOR_EACH_IMPL (impl, 0) |
119 | do_one_test (impl, s1, s2, fail ? NULL : s1 + len1 - len2); | |
120 | ||
dbc676d4 UD |
121 | } |
122 | ||
03759f47 L |
123 | static void |
124 | check1 (void) | |
125 | { | |
126 | const char s1[] = | |
127 | "F_BD_CE_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_88_20_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_A7_20_EF_BF_BD"; | |
128 | const char s2[] = "_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD"; | |
129 | char *exp_result; | |
130 | ||
131 | exp_result = stupid_strstr (s1, s2); | |
132 | FOR_EACH_IMPL (impl, 0) | |
133 | check_result (impl, s1, s2, exp_result); | |
134 | } | |
dbc676d4 | 135 | |
d7e0dab9 L |
136 | static void |
137 | check2 (void) | |
138 | { | |
139 | const char s1[] = ", enable_static, \0, enable_shared, "; | |
140 | char *exp_result; | |
5d41d91a | 141 | char *s2 = (void *) buf1 + page_size - 18; |
d7e0dab9 | 142 | |
5d41d91a | 143 | strcpy (s2, s1); |
d7e0dab9 L |
144 | exp_result = stupid_strstr (s1, s1 + 18); |
145 | FOR_EACH_IMPL (impl, 0) | |
5d41d91a L |
146 | { |
147 | check_result (impl, s1, s1 + 18, exp_result); | |
148 | check_result (impl, s2, s1 + 18, exp_result); | |
149 | } | |
d7e0dab9 L |
150 | } |
151 | ||
dbc676d4 UD |
152 | static int |
153 | test_main (void) | |
154 | { | |
155 | test_init (); | |
156 | ||
03759f47 | 157 | check1 (); |
d7e0dab9 | 158 | check2 (); |
03759f47 | 159 | |
dbc676d4 UD |
160 | printf ("%23s", ""); |
161 | FOR_EACH_IMPL (impl, 0) | |
162 | printf ("\t%s", impl->name); | |
163 | putchar ('\n'); | |
164 | ||
165 | for (size_t klen = 2; klen < 32; ++klen) | |
166 | for (size_t hlen = 2 * klen; hlen < 16 * klen; hlen += klen) | |
167 | { | |
168 | do_test (0, 0, hlen, klen, 0); | |
169 | do_test (0, 0, hlen, klen, 1); | |
170 | do_test (0, 3, hlen, klen, 0); | |
171 | do_test (0, 3, hlen, klen, 1); | |
172 | do_test (0, 9, hlen, klen, 0); | |
173 | do_test (0, 9, hlen, klen, 1); | |
174 | do_test (0, 15, hlen, klen, 0); | |
175 | do_test (0, 15, hlen, klen, 1); | |
176 | ||
177 | do_test (3, 0, hlen, klen, 0); | |
178 | do_test (3, 0, hlen, klen, 1); | |
179 | do_test (3, 3, hlen, klen, 0); | |
180 | do_test (3, 3, hlen, klen, 1); | |
181 | do_test (3, 9, hlen, klen, 0); | |
182 | do_test (3, 9, hlen, klen, 1); | |
183 | do_test (3, 15, hlen, klen, 0); | |
184 | do_test (3, 15, hlen, klen, 1); | |
185 | ||
186 | do_test (9, 0, hlen, klen, 0); | |
187 | do_test (9, 0, hlen, klen, 1); | |
188 | do_test (9, 3, hlen, klen, 0); | |
189 | do_test (9, 3, hlen, klen, 1); | |
190 | do_test (9, 9, hlen, klen, 0); | |
191 | do_test (9, 9, hlen, klen, 1); | |
192 | do_test (9, 15, hlen, klen, 0); | |
193 | do_test (9, 15, hlen, klen, 1); | |
194 | ||
195 | do_test (15, 0, hlen, klen, 0); | |
196 | do_test (15, 0, hlen, klen, 1); | |
197 | do_test (15, 3, hlen, klen, 0); | |
198 | do_test (15, 3, hlen, klen, 1); | |
199 | do_test (15, 9, hlen, klen, 0); | |
200 | do_test (15, 9, hlen, klen, 1); | |
201 | do_test (15, 15, hlen, klen, 0); | |
202 | do_test (15, 15, hlen, klen, 1); | |
203 | } | |
204 | ||
205 | do_test (0, 0, page_size - 1, 16, 0); | |
206 | do_test (0, 0, page_size - 1, 16, 1); | |
207 | ||
208 | return ret; | |
209 | } | |
210 | ||
fb82116f | 211 | #include <support/test-driver.c> |