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[Unit-tests] Fix test framework error on newer compiler: 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length [-Werror=stringop-truncation]

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This commit is contained in:
Andrey Volk 2025-07-10 19:06:01 +03:00
parent 4d9c004eca
commit 68e587d7cf
2 changed files with 21 additions and 2 deletions
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12
src/include/test/switch_fct.h
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@ -254,10 +254,18 @@ fctstr_safe_cpy(char *dst, char const *src, size_t num)
FCT_ASSERT( num > 0 );
#if defined(WIN32) && _MSC_VER >= 1400
strncpy_s(dst, num, src, _TRUNCATE);
dst[num - 1] = '\0';
#else
strncpy(dst, src, num - 1);
{
size_t i;
for (i = 0; (i < num - 1) && src[i] != '\0'; ++i) {
dst[i] = src[i];
}
dst[i] = '\0';
}
#endif
dst[num-1] = '\0';
}
/* Isolate the vsnprintf implementation */

11
tests/unit/switch_core.c
View File

@ -53,6 +53,17 @@ FST_CORE_BEGIN("./conf")
}
FST_TEARDOWN_END()
FST_TEST_BEGIN(test_fctstr_safe_cpy)
{
char *dst;
const char *src = "1234567890";
dst = fctstr_clone(src);
fst_check_string_equals(dst, src);
free(dst);
}
FST_TEST_END()
FST_TEST_BEGIN(test_switch_rand)
{
int i, c = 0;