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/*------------------------------------------------------------------
* test_strncpy_s
* File 'str/strncpy_s.c'
* Lines executed:95.83% of 72
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_str_lib.h"
#if defined(TEST_MSVCRT) && defined(HAVE_STRNCPY_S)
#undef HAVE_CT_BOS_OVR
#undef strncpy_s
EXTERN errno_t strncpy_s(char *restrict dest, rsize_t dmax,
const char *restrict src, rsize_t slen);
#endif
#ifdef HAVE_STRNCPY_S
#define HAVE_NATIVE 1
#else
#define HAVE_NATIVE 0
#endif
#include "test_msvcrt.h"
#define MAX (128)
#define LEN (128)
static char str1[LEN];
static char str2[LEN];
static char dest[LEN];
int test_strncpy_s(void);
int test_strncpy_s(void) {
errno_t rc;
rsize_t nlen;
int errs = 0;
/*--------------------------------------------------*/
nlen = 5;
#if defined(TEST_MSVCRT) && defined(HAVE_STRNCPY_S)
use_msvcrt = true;
#endif
print_msvcrt(use_msvcrt);
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("empty dest")
rc = strncpy_s(NULL, LEN, str2, nlen);
init_msvcrt(rc == ESNULLP, &use_msvcrt);
ERR_MSVC(ESNULLP, EINVAL);
/*--------------------------------------------------*/
strcpy(str1, "aaaaa");
strcpy(str2, "b");
EXPECT_BOS("empty dest")
rc = strncpy_s(NULL, LEN, str2, 5);
ERR_MSVC(ESNULLP, EINVAL); /* and untouched */
EXPECT_BOS("empty dest")
rc = strncpy_s(NULL, LEN, str2, 0);
ERR_MSVC(ESNULLP, 0); /* and untouched */
EXPECT_BOS("empty dest or dmax")
rc = strncpy_s(str1, 0, str2, 0);
ERR_MSVC(ESZEROL, 0); /* and untouched */
EXPSTR(str1, "aaaaa")
#endif
strcpy(str1, "aaaaa");
rc = strncpy_s(str1, 5, NULL, 0);
ERR(EOK); /* and cleared */
EXPSTR(str1, "")
/*--------------------------------------------------*/
strcpy(str1, "aaaaa");
rc = strncpy_s(str1, LEN, str2, 0);
ERR(EOK); /* and cleared */
EXPSTR(str1, "")
strcpy(str1, "aaaaa");
rc = strncpy_s(str1, 1, str2, 0);
ERR(EOK) /* and cleared */
EXPSTR(str1, "")
strcpy(str1, "aaaaa");
#ifndef HAVE_CT_BOS_OVR
nlen = 5;
/*EXPECT_BOS("empty buf")*/
rc = strncpy_s(str1, 5, NULL, nlen);
ERR_MSVC(ESNULLP, EINVAL); /* and cleared */
if (!use_msvcrt)
CHECK_SLACK(str1, 5);
strcpy(str1, "a");
EXPECT_BOS("empty dest or dmax")
rc = strncpy_s(str1, 0, str2, 0);
ERR_MSVC(ESZEROL, 0); /* and untouched */
EXPSTR(str1, "a")
/*--------------------------------------------------*/
strcpy(str1, "aa");
nlen = 5;
EXPECT_BOS("empty dest or dmax")
rc = strncpy_s(str1, 0, str2, nlen);
ERR_MSVC(ESZEROL, EINVAL); /* and untouched */
EXPSTR(str1, "aa")
/*--------------------------------------------------*/
strcpy(str1, "aaa");
if (_BOS_KNOWN(str1)) {
EXPECT_BOS("dest overflow")
rc = strncpy_s(str1, LEN + 1, str2, nlen);
ERR(EOVERFLOW); /* dmax exceeds dest */
if (!use_msvcrt) {
EXPSTR(str1, ""); /* cleared */
CHECK_SLACK(str1, 4);
}
#ifdef HAVE___BUILTIN_OBJECT_SIZE
} else {
debug_printf("%s %u Error unknown str1 object_size\n", __FUNCTION__,
__LINE__);
errs++;
#endif
}
strcpy(str1, "aa");
EXPECT_BOS("dest overflow")
rc = strncpy_s(str1, (RSIZE_MAX_STR + 1), str2, nlen);
ERR_MSVC(ESLEMAX, 0); /* different MAX */
if (!_BOS_KNOWN(str1)) {
EXPSTR(str1, "aa")
} else if (!use_msvcrt) {
EXPSTR(str1, "") /* cleared */
} else {
EXPSTR(str1, "b")
}
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
strcpy(str2, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
EXPECT_BOS("src overflow or empty")
rc = strncpy_s(str1, 5, str2, (RSIZE_MAX_STR + 1));
ERR_MSVC(ESLEMAX, EINVAL); /* and cleared */
EXPSTR(str1, "");
/*--------------------------------------------------*/
// dont clear the const string, but dest.
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
EXPECT_BOS("slen exceeds src") EXPECT_BOS("src overflow or empty")
rc = strncpy_s(str1, 32, "ROString", 31);
ERR(EOVERFLOW); /* slen exceeds src */
if (!use_msvcrt) {
CHECK_SLACK(str1, 32);
} else {
EXPSTR(str1, "");
}
#endif
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
str2[0] = '\0';
nlen = 5;
rc = strncpy_s(&str1[0], LEN / 2, &str2[0], nlen);
ERR(EOK); /* and cleared */
if (!use_msvcrt) {
CHECK_SLACK(str1, LEN / 2);
} else {
EXPSTR(str1, "");
}
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
nlen = 5;
/* test overlap */
GCC_PUSH_WARN_RESTRICT
rc = strncpy_s(str1, LEN, str1, nlen);
GCC_POP_WARN_RESTRICT
ERR_MSVC(ESOVRLP, 0); /* and cleared/mangled */
#ifdef HAVE_CT_BOS_OVR
init_msvcrt(rc == ESOVRLP, &use_msvcrt);
#endif
if (!use_msvcrt) {
CHECK_SLACK(str1, LEN);
} else {
EXPSTR(str1, "aaaaa");
}
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
nlen = 18;
rc = strncpy_s(&str1[0], LEN, &str1[5], nlen);
ERR_MSVC(ESOVRLP, 0); /* and cleared/mangled */
if (!use_msvcrt) {
CHECK_SLACK(str1, LEN);
} else {
EXPSTR(str1, "aaaaaaaaaaaaaaaaaa");
}
/*--------------------------------------------------*/
strcpy(str1, "keep it simple");
str2[0] = '\0';
nlen = 10;
rc = strncpy_s(str1, LEN, str2, nlen);
ERR(EOK); /* and cleared */
if (!use_msvcrt) {
CHECK_SLACK(str1, LEN);
} else {
EXPSTR(str1, "")
}
/*--------------------------------------------------*/
str1[0] = '\0';
strcpy(str2, "keep it simple");
nlen = 20;
rc = strncpy_s(str1, LEN, str2, nlen);
ERR(EOK)
EXPSTR(str1, str2)
if (!use_msvcrt) {
CHECK_SLACK(&str1[14], LEN - 14);
}
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
nlen = 32;
rc = strncpy_s(str1, LEN, str2, nlen);
ERR(EOK)
EXPSTR(str1, str2)
if (!use_msvcrt) {
CHECK_SLACK(&str1[14], LEN - 14);
}
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
rc = strncpy_s(str1, 1, str2, nlen);
ERR_MSVC(ESNOSPC, EINVAL);
if (!use_msvcrt) {
CHECK_SLACK(str1, 1);
} else {
EXPSTR(str1, "");
}
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
rc = strncpy_s(str1, 2, str2, nlen);
ERR_MSVC(ESNOSPC, EINVAL); /* and cleared */
if (*str1 != '\0') {
debug_printf("%s %u -%s- Error rc=%u \n", __FUNCTION__, __LINE__, str1,
rc);
errs++;
}
/*--------------------------------------------------*/
/* TR example */
strcpy(dest, " ");
strcpy(str1, "hello");
rc = strncpy_s(dest, 6, str1, 100);
ERR(EOK)
EXPSTR(dest, str1)
if (!use_msvcrt) {
CHECK_SLACK(&str1[5], 1);
}
/*--------------------------------------------------*/
/* TR example */
strcpy(dest, " ");
strcpy(str2, "goodbye");
rc = strncpy_s(dest, 5, str2, 7);
ERR_MSVC(ESNOSPC, EINVAL);
if (!use_msvcrt) {
CHECK_SLACK(dest, 5);
}
/*--------------------------------------------------*/
/* TR example */
strcpy(dest, " ");
strcpy(str2, "goodbye");
rc = strncpy_s(dest, 5, str2, 4);
ERR(EOK)
EXPSTR(dest, "good")
CHECK_SLACK(&dest[4], 5 - 4);
/*--------------------------------------------------*/
strcpy(dest, " ");
strcpy(str2, "good");
/* strnlen("good") < 5 */
rc = strncpy_s(dest, 5, str2, 8);
ERR(EOK)
EXPSTR(dest, "good")
CHECK_SLACK(&dest[4], 5 - 4);
/*--------------------------------------------------*/
strcpy(str1, "qq12345weqeqeqeq");
strcpy(str2, "it");
nlen = 10;
rc = strncpy_s(str1, 10, str2, nlen);
ERR(EOK)
EXPSTR(str1, str2)
/*--------------------------------------------------*/
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_strncpy_s()); }
#endif
|
