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/*------------------------------------------------------------------
* test_wcsnlen_s
* File 'wchar/wcsnlen_s.c'
* Lines executed:94.12% of 17
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_str_lib.h"
#define LEN (128)
static wchar_t str1[LEN];
int test_wcsnlen_s(void);
#define EXPLEN(n) \
if (len != n) { \
debug_printf("%s %u Len=%u \n", __FUNCTION__, __LINE__, \
(unsigned)len); \
errs++; \
}
#define STDLEN() \
if (std_len != len) { \
debug_printf("%s %u std_len=%u len=%u \n", __FUNCTION__, __LINE__, \
(unsigned)std_len, (unsigned)len); \
errs++; \
}
int test_wcsnlen_s(void) {
rsize_t len;
rsize_t std_len;
rsize_t max_len;
int errs = 0;
/*--------------------------------------------------*/
#ifndef HAVE_CT_BOS_OVR
max_len = 3;
EXPECT_BOS("empty str")
len = wcsnlen_s(NULL, max_len);
EXPLEN(0)
/*--------------------------------------------------*/
max_len = 0;
EXPECT_BOS("empty str or smax")
len = wcsnlen_s(L"test", 0);
EXPLEN(0)
/*--------------------------------------------------*/
#ifdef HAVE___BUILTIN_OBJECT_SIZE
wcscpy(str1, L"test");
EXPECT_BOS("str overflow")
len = wcsnlen_s(str1, LEN + 1);
EXPLEN(4)
#endif
wcscpy(str1, L"test");
max_len = RSIZE_MAX_WSTR + 1;
EXPECT_BOS("str overflow")
len = wcsnlen_s(str1, RSIZE_MAX_WSTR + 1);
/* They allow more */
#if !defined(MINGW_HAS_SECURE_API) && !defined(_WSTRING_S_DEFINED)
EXPLEN(0)
#elif !(defined(TEST_MSVCRT) && defined(HAVE_WCSNLEN_S))
EXPLEN(0)
#else
if (max_len < INT_MAX) {
EXPLEN(4)
} else {
EXPLEN(0)
}
#endif
/* overflow: sizeof = 5 */
/* PS: compile-time check once fixed by adding const'ness and all warnings
*/
EXPECT_BOS("str overflow")
len = wcsnlen_s(L"test", 6);
EXPLEN(4)
EXPECT_BOS("str overflow")
len = wcsnlen_s(L"test", 7);
EXPLEN(4)
EXPECT_BOS("str overflow")
len = wcsnlen_s(L"test", 21);
EXPLEN(4)
#endif
/* no overflow: sizeof = 5 */
len = wcsnlen_s(L"test", 4);
EXPLEN(4)
/* no overflow: sizeof = 5 */
len = wcsnlen_s(L"test", 5);
EXPLEN(4)
//return errs;
/*--------------------------------------------------*/
std_len = 0;
wcscpy(str1, L"");
max_len = LEN;
len = wcsnlen_s(str1, LEN);
STDLEN()
/*--------------------------------------------------*/
std_len = 1;
wcscpy(str1, L"t");
max_len = LEN;
len = wcsnlen_s(str1, max_len);
STDLEN()
len = wcsnlen_s(L"t", 1); /* static string */
STDLEN()
/*--------------------------------------------------*/
std_len = 2;
wcscpy(str1, L"to");
max_len = LEN;
len = wcsnlen_s(str1, max_len);
STDLEN()
/*--------------------------------------------------*/
std_len = strlen("testing");
wcscpy(str1, L"testing");
max_len = LEN;
len = wcsnlen_s(str1, max_len);
STDLEN()
/*--------------------------------------------------*/
max_len = 1;
len = wcsnlen_s(L"testing", 1);
EXPLEN(max_len)
/*--------------------------------------------------*/
max_len = 2;
len = wcsnlen_s(L"testing", 2);
EXPLEN(max_len)
/*--------------------------------------------------*/
max_len = 3;
len = wcsnlen_s(L"testing", 3);
EXPLEN(max_len)
/*--------------------------------------------------*/
len = wcsnlen_s(L"test", 5);
EXPLEN(4)
/*--------------------------------------------------*/
return (errs);
}
int main(void) { return (test_wcsnlen_s()); }
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