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utils: Add memrchr(3) replacement for platforms that don't support it

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For instance, on Mac OS X memrchr(3) is not provided by the C library.
This commit is contained in:
Tobias Brunner
2014-02-26 11:05:07 +01:00
parent 625fc60154
commit 2ed241aeb3
4 changed files with 82 additions and 2 deletions
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src/libstrongswan/tests/suites/test_utils.c
+44
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@@ -345,6 +345,46 @@ START_TEST(test_memstr)
}
END_TEST
/*******************************************************************************
* utils_memrchr
*/
static struct {
char *s;
int c;
size_t n;
int offset;
} memrchr_data[] = {
{NULL, 'f', 0, -1},
{NULL, 'f', 3, -1},
{"", 'f', 0, -1},
{"", '\0', 1, 0},
{"foo", '\0', 3, -1},
{"foo", '\0', 4, 3},
{"foo", 'f', 3, 0},
{"foo", 'o', 3, 2},
{"foo", 'o', 2, 1},
{"foo", 'o', 1, -1},
{"foo", 'o', 0, -1},
{"foo", 'x', 3, -1},
};
START_TEST(test_utils_memrchr)
{
void *ret;
ret = utils_memrchr(memrchr_data[_i].s, memrchr_data[_i].c, memrchr_data[_i].n);
if (memrchr_data[_i].offset >= 0)
{
ck_assert(ret == memrchr_data[_i].s + memrchr_data[_i].offset);
}
else
{
ck_assert(ret == NULL);
}
}
END_TEST
/*******************************************************************************
* translate
*/
@@ -673,6 +713,10 @@ Suite *utils_suite_create()
tcase_add_loop_test(tc, test_memstr, 0, countof(memstr_data));
suite_add_tcase(s, tc);
tc = tcase_create("utils_memrchr");
tcase_add_loop_test(tc, test_utils_memrchr, 0, countof(memrchr_data));
suite_add_tcase(s, tc);
tc = tcase_create("translate");
tcase_add_loop_test(tc, test_translate, 0, countof(translate_data));
suite_add_tcase(s, tc);