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/*------------------------------------------------------------------
* test_memcpy_s
* File 'mem/memcpy_s.c'
* Lines executed:86.36% of 22
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "test_expmem.h"
#if defined(TEST_MSVCRT) && defined(HAVE_MEMCPY_S)
#undef memcpy_s
#endif
#ifdef HAVE_MEMCPY_S
#define HAVE_NATIVE 1
#else
#define HAVE_NATIVE 0
#endif
#include "test_msvcrt.h"
#define LEN (1024)
static uint8_t mem1[LEN + 2];
static uint8_t mem2[LEN + 2];
int test_memcpy_s(void);
int test_memcpy_s(void) {
errno_t rc;
uint32_t i;
rsize_t len;
int errs = 0;
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = 33;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 44;
}
print_msvcrt(use_msvcrt);
/* with clang-5 compile-time checks these errors */
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("dest overflow or empty")
rc = memcpy_s(NULL, LEN, mem2, LEN);
init_msvcrt(rc == ESNULLP, &use_msvcrt);
ERR_MSVC(ESNULLP, EINVAL);
/*--------------------------------------------------*/
EXPECT_BOS("dest overflow or empty") EXPECT_BOS("slen overflow >dmax")
rc = memcpy_s(mem1, 0, mem2, LEN);
ERR_MSVC(ESZEROL, ERANGE); /* and untouched */
EXPMEM(mem1, 0, LEN, 33, 1);
/*--------------------------------------------------*/
EXPECT_BOS("dest overflow or empty")
rc = memcpy_s(mem1, RSIZE_MAX_MEM + 1, mem2, LEN);
ERR_MSVC(ESLEMAX, 0); /* and implementation defined */
if (!use_msvcrt)
EXPMEM(mem1, 0, LEN, 33, 1);
else
EXPMEM(mem1, 0, LEN, 44, 1);
#ifdef HAVE___BUILTIN_OBJECT_SIZE
for (i = 0; i < LEN; i++) {
mem1[i] = 33;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 44;
}
EXPECT_BOS("dest overflow or empty")
rc = memcpy_s(mem1, LEN + 3, mem2, LEN);
ERR(EOVERFLOW); /* limited to destbos */
#ifdef _WIN32
debug_printf("errno EOVERFLOW=%s\n", strerror(EOVERFLOW));
debug_printf("errno 132=%s\n", strerror(132));
#endif
if (!use_msvcrt)
EXPMEM(mem1, 0, LEN, 33, 1);
else {
EXPMEM(mem1, 0, LEN, 44, 1);
}
#endif
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = 33;
}
EXPECT_BOS("src overflow or empty")
rc = memcpy_s(mem1, LEN, NULL, LEN);
ERR_MSVC(ESNULLP, EINVAL); /* and cleared */
EXPMEM(mem1, 0, LEN, 0, 1);
EXPECT_BOS("src overflow or empty") EXPECT_BOS("slen overflow >dmax")
rc = memcpy_s(mem1, LEN, mem2, RSIZE_MAX_MEM + 1);
ERR_MSVC(ESLEMAX, ERANGE); /* and cleared */
EXPMEM(mem1, 0, LEN, 0, 1);
/*--------------------------------------------------*/
for (i = 0; i < LEN + 1; i++) {
mem1[i] = 33;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 44;
}
len = LEN;
/* BOS(mem1) == LEN+2 */
EXPECT_BOS("slen overflow >dmax")
rc = memcpy_s(mem1, LEN, mem2, (LEN + 1));
ERR_MSVC(ESNOSPC, ERANGE); /* and cleared */
EXPMEM(mem1, 0, len + 1, 0, 1);
for (i = 0; i < LEN + 2; i++) {
mem1[i] = 33;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 44;
}
len = LEN / 2;
EXPECT_BOS("src overflow or empty") EXPECT_BOS("slen overflow >dmax")
rc = memcpy_s(mem1, LEN / 2, mem2, LEN + 3);
ERR_MSVC(ESNOSPC, ERANGE);
EXPMEM(mem1, 0, len, 0, 1);
if (mem1[len] != 33) {
debug_printf("%d - %d m1=%d m2=%d \n", __LINE__, (int)len, mem1[len],
mem2[len]);
errs++;
}
#endif
#ifndef HAVE_CT_BOS_OVR
for (i = 0; i < LEN; i++) {
mem1[i] = 55;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 65;
}
/* overlap */
len = 100;
EXPECT_BOS("dest overlaps with src")
rc = memcpy_s(&mem1[0], 100, &mem1[10], len);
ERR_MSVC(ESOVRLP, 0);
if (!use_msvcrt) {
EXPMEM(mem1, 0, len, 0, 1);
if (mem1[len] == 0) {
debug_printf("%d - %"PRIu32" m1=%d m2=%d \n", __LINE__, i, mem1[i],
mem2[i]);
errs++;
}
}
for (i = 0; i < LEN; i++) {
mem1[i] = 55;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 65;
}
/* overlap */
len = 100;
EXPECT_BOS("dest overlaps with src")
rc = memcpy_s(&mem1[10], 100, &mem1[0], 100);
ERR_MSVC(ESOVRLP, 0);
if (!use_msvcrt) {
EXPMEM(mem1, 10, len + 10, 0, 1);
}
#endif
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = 33;
}
/* check n=0 first */
rc = memcpy_s(mem1, 10, mem2, 0);
ERR(EOK); /* and untouched */
EXPMEM(mem1, 0, LEN, 33, 1);
rc = memcpy_s(NULL, 10, mem2, 0);
ERR(EOK); /* and untouched */
EXPMEM(mem1, 0, LEN, 33, 1);
rc = memcpy_s(mem1, 0, mem2, 0);
ERR(EOK); /* and untouched */
EXPMEM(mem1, 0, LEN, 33, 1);
rc = memcpy_s(mem1, 10, NULL, 0);
ERR(EOK); /* and untouched */
EXPMEM(mem1, 0, LEN, 33, 1);
/*--------------------------------------------------*/
for (i = 0; i < LEN + 1; i++) {
mem1[i] = 33;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 44;
}
len = LEN;
rc = memcpy_s(mem1, len, mem2, len);
ERR(EOK);
EXPMEM(mem1, 0, len, 44, 1);
EXPMEM(mem1, len, LEN + 1, 33, 1);
for (i = 0; i < LEN + 1; i++) {
mem1[i] = 33;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 44;
}
len = 1;
rc = memcpy_s(mem1, len, mem2, len);
ERR(EOK);
EXPMEM(mem1, 0, len, 44, 1);
EXPMEM(mem1, len, LEN + 1, 33, 1);
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = 55;
}
/* same ptr - no move */
GCC_PUSH_WARN_RESTRICT
rc = memcpy_s(mem1, LEN, mem1, LEN);
GCC_POP_WARN_RESTRICT
ERR(EOK);
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = 35;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 55;
}
len = 5;
rc = memcpy_s(mem1, len, mem2, len);
ERR(EOK)
else {
EXPMEM(mem1, 0, len, 55, 1);
}
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = 35;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 55;
}
rc = memcpy_s(mem1, LEN, mem2, LEN / 2);
ERR(EOK)
else {
EXPMEM(mem1, 0, LEN / 2, 55, 1);
}
/*--------------------------------------------------*/
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_memcpy_s()); }
#endif
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