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/*------------------------------------------------------------------
* test_stpncpy_s
* File 'stpncpy_s.c'
* Lines executed:75.25% of 101
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_str_lib.h"
#include "config.h"
#ifdef HAVE_STPNCPY_S
#define HAVE_NATIVE 1
#else
#define HAVE_NATIVE 0
#endif
#define MAX (128)
#define LEN (128)
static char str1[LEN];
static char str2[LEN];
int test_strncpy_s(void);
int test_stpncpy_s(void) {
errno_t rc;
int len;
char* dest;
int errs = 0;
rsize_t slen = LEN;
/*--------------------------------------------------*/
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("empty dest")
dest = stpncpy_s(NULL, LEN, str2, slen, &rc);
ERR(ESNULLP);
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
len = strlen(str1);
EXPECT_BOS("empty dest or dmax")
dest = stpncpy_s(str1, 0, str2, slen, &rc);
ERR(ESZEROL);
/*--------------------------------------------------*/
#ifndef HAVE_ASAN /* With asan no BOS? */
if (_BOS_KNOWN(str1)) {
EXPECT_BOS("dest overflow")
dest = stpncpy_s(str1, LEN + 1, str2, slen, &rc);
ERR(EOVERFLOW); /* dmax exceeds dest */
EXPSTR(str1, ""); /* cleared */
CHECK_SLACK(str1, len);
} else {
#ifdef HAVE___BUILTIN_OBJECT_SIZE
debug_printf("%s %u Warning unknown str1 size\n", __FUNCTION__,
__LINE__);
#endif
}
#endif
EXPECT_BOS("dest overflow")
dest = stpncpy_s(str1, (RSIZE_MAX_STR + 1), str2, slen, &rc);
ERR(ESLEMAX);
EXPECT_BOS("dest overflow")
dest = stpncpy_s(str1, (size_t)-1L, str2, slen, &rc);
ERR(ESLEMAX);
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
len = strlen(str1);
EXPECT_BOS("empty src")
dest = stpncpy_s(str1, 5, NULL, slen, &rc);
ERR(ESNULLP);
CHECK_SLACK(str1, 5);
#endif
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
str2[0] = '\0';
slen = 10;
dest = stpncpy_s(str1, LEN / 2, str2, slen, &rc);
ERR(EOK)
CHECK_SLACK(str1, LEN / 2);
/*--------------------------------------------------*/
strcpy(str1, "aaaaa");
len = strlen(str1);
/* test overlap */
GCC_PUSH_WARN_RESTRICT
dest = stpncpy_s(str1, LEN, str1, slen, &rc);
GCC_POP_WARN_RESTRICT
ERR(EOK); // OK if the same
EXPSTR(str1, "aaaaa");
/*--------------------------------------------------*/
strcpy(str1, "keep it simple");
slen = strlen(str1);
dest = stpncpy_s(&str1[0], LEN, &str1[5], slen - 5, &rc);
ERR(ESOVRLP); // TODO
CHECK_SLACK(str1, LEN);
/*--------------------------------------------------*/
strcpy(&str1[0], "keep it simple");
slen = strlen(str1);
dest = stpncpy_s(&str1[5], LEN - 5, &str1[0], slen, &rc);
ERR(ESOVRLP);
CHECK_SLACK(&str1[5], LEN - 5);
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
slen = len = strlen(str1);
dest = stpncpy_s(str2, LEN, str1, slen, &rc);
ERR(EOK)
EXPSTR(str1, str2);
CHECK_SLACK(&str2[len], LEN - len);
/*--------------------------------------------------*/
strcpy(&str1[0], "keep it simple");
str2[0] = '\0';
slen = 10;
dest = stpncpy_s(str1, LEN, str2, slen, &rc);
ERR(EOK)
EXPSTR(str1, str2);
CHECK_SLACK(str1, LEN);
/*--------------------------------------------------*/
str1[0] = '\0';
strcpy(&str2[0], "keep it simple");
slen = len = strlen(str2);
dest = stpncpy_s(str1, LEN, str2, slen, &rc);
ERR(EOK)
EXPSTR(str1, str2);
CHECK_SLACK(&str1[len], LEN - len);
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
slen = len = strlen(str2);
dest = stpncpy_s(str1, LEN, str2, slen, &rc);
ERR(EOK)
EXPSTR(str1, str2);
CHECK_SLACK(&str1[len], LEN - len);
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
slen = strlen(str2);
dest = stpncpy_s(str1, 1, str2, slen, &rc);
ERR(ESNOSPC);
CHECK_SLACK(str1, 1);
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
dest = stpncpy_s(str1, 2, str2, slen, &rc);
ERR(ESNOSPC);
CHECK_SLACK(str1, 2);
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "it");
dest = stpncpy_s(str1, 3, str2, 2, &rc);
ERR(EOK)
EXPSTR(str1, str2);
CHECK_SLACK(&str1[2], 1);
/*--------------------------------------------------*/
strcpy(str1, "qq12345weqeqeqeq");
strcpy(str2, "it");
dest = stpncpy_s(str1, 10, str2, 2, &rc);
ERR(EOK);
EXPSTR(str1, str2);
CHECK_SLACK(&str1[2], 8);
/*for (i=0; i<10; i++) {
debug_printf("str1[%i] = %d \n", i, str1[i]);
}*/
/*--------------------------------------------------*/
(void) dest;
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_stpncpy_s()); }
#endif
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