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/*------------------------------------------------------------------
* test_strnlen_s
* File 'str/strnlen_s.c'
* Lines executed:95.45% of 22
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_str_lib.h"
#if defined(TEST_MSVCRT) && defined(HAVE_STRNLEN_S)
#undef strnlen_s
#endif
#define LEN (128)
static char str1[LEN];
int test_strnlen_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_strnlen_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 = strnlen_s(NULL, max_len);
EXPLEN(0)
/*--------------------------------------------------*/
max_len = 0;
EXPECT_BOS("empty str or smax")
len = strnlen_s("test", 0);
EXPLEN(0)
/*--------------------------------------------------*/
max_len = RSIZE_MAX_STR + 1;
EXPECT_BOS("str overflow")
len = strnlen_s("test", RSIZE_MAX_STR + 1);
EXPLEN(0)
#endif
/*--------------------------------------------------*/
*str1 = '\0';
std_len = strlen(str1);
max_len = LEN;
len = strnlen_s(str1, max_len);
STDLEN()
/*--------------------------------------------------*/
strcpy(str1, "t");
std_len = strlen(str1);
len = strnlen_s(str1, LEN);
STDLEN()
/*--------------------------------------------------*/
strcpy(str1, "to");
std_len = strlen(str1);
len = strnlen_s(str1, LEN);
STDLEN()
/*--------------------------------------------------*/
std_len = strlen("testing");
max_len = std_len;
len = strnlen_s("testing", max_len);
STDLEN()
/*--------------------------------------------------*/
max_len = 1;
len = strnlen_s("testing", max_len);
EXPLEN(max_len)
/*--------------------------------------------------*/
max_len = 2;
len = strnlen_s("testing", max_len);
EXPLEN(max_len)
/*--------------------------------------------------*/
max_len = 3;
len = strnlen_s("testing", max_len);
EXPLEN(max_len)
/*--------------------------------------------------*/
max_len = 7;
len = strnlen_s("testing", max_len);
STDLEN()
/*--------------------------------------------------*/
max_len = 8;
len = strnlen_s("testing", max_len);
STDLEN()
/*--------------------------------------------------*/
max_len = 9;
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("str overflow")
len = strnlen_s("testing", 9);
#else
len = strnlen_s("testing", max_len); /* depends on optimizer's var-tracking */
#endif
STDLEN()
/*--------------------------------------------------*/
return (errs);
}
#ifndef __KERNEL__
/* simple hack to get this to work for both userspace and Linux kernel,
until a better solution can be created. */
int main(void) { return (test_strnlen_s()); }
#endif
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