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/*------------------------------------------------------------------
* test_memccpy_s
* File 'memccpy_s.c'
* Lines executed:96.88% of 32
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "test_expmem.h"
#ifndef __KERNEL__
#include <stdlib.h>
#ifdef HAVE_VALGRIND_VALGRIND_H
#include <valgrind/valgrind.h>
#endif
#endif
#define LEN (128)
static char str1[LEN];
static char str2[LEN];
static char dest[LEN];
int test_memccpy_s(void);
int test_memccpy_s(void) {
errno_t rc;
rsize_t nlen;
int errs = 0;
/*--------------------------------------------------*/
nlen = 5;
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("empty dest")
rc = memccpy_s(NULL, LEN, str2, 0, nlen);
ERR(ESNULLP);
#if 0 && defined(HAVE_MEMCCPY)
{
/* SEGV */ /* __MINGW_ATTRIB_DEPRECATED_MSVC2005 */
char *sub = (char*)memccpy(NULL, str2, 0, nlen);
SUBNULL();
}
#endif
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
nlen = 5;
EXPECT_BOS("empty src")
rc = memccpy_s(str1, 5, NULL, 0, nlen);
ERR(ESNULLP);
CHECK_SLACK(str1, 5);
#if 0 && defined(HAVE_MEMCCPY)
{
/* also SEGV */
char *sub = (char*)memccpy(str1, NULL, 0, nlen);
SUBNULL();
}
#endif
#endif
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
str2[0] = '\0';
rc = memccpy_s(str1, 5, str2, 0, 0);
ERR(EOK);
EXPSTR(str1, "");
#if !defined(__KERNEL__) && defined(HAVE_MEMCCPY)
{
char *sub = (char *)memccpy(str1, str2, 0, 0);
EXPSTR(str1, "");
/* but with musl the result is a copy of str1 */
#if defined(__GLIBC__) || defined(BSD_ALL_LIKE) || defined(_WIN32)
SUBNULL();
#endif
}
#endif
/*--------------------------------------------------*/
#ifndef HAVE_CT_BOS_OVR
nlen = 5;
EXPECT_BOS("empty dest or dmax")
rc = memccpy_s(str1, 0, str2, 0, nlen);
ERR(ESZEROL)
/*--------------------------------------------------*/
EXPECT_BOS("dest overflow")
rc = memccpy_s(str1, RSIZE_MAX_MEM + 1, str2, 0, nlen);
ERR(ESLEMAX)
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
strcpy(str2, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
EXPECT_BOS("n overflow >dmax")
rc = memccpy_s(str1, 5, str2, 0, 6);
ERR(ESNOSPC)
CHECK_SLACK(str1, 5);
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
strcpy(str2, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
EXPECT_BOS("src overflow") EXPECT_BOS("n overflow >dmax")
rc = memccpy_s(str1, 5, str2, 0, RSIZE_MAX_MEM + 1);
ERR(ESLEMAX)
CHECK_SLACK(str1, 5);
#endif
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
str2[0] = '\0';
nlen = 5;
rc = memccpy_s(&str1[0], LEN / 2, &str2[0], 0, nlen);
ERR(EOK)
CHECK_SLACK(str1, nlen);
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
nlen = 5;
/* test overlap */
rc = memccpy_s(str1, LEN, str1, 0, nlen);
ERR(ESOVRLP)
CHECK_SLACK(str1, nlen);
#if !defined(__KERNEL__) && defined(HAVE_MEMCCPY) && \
(defined(__GLIBC__) || defined(_WIN32))
/* Ignore on smoker under valgrind */
if (!(getenv("TRAVIS") && getenv("VG")))
{
#if defined(HAVE_VALGRIND_VALGRIND_H) && \
(__VALGRIND_MAJOR__ > 3 || \
(__VALGRIND_MAJOR__ == 3 && __VALGRIND_MINOR__ >= 13))
if (!RUNNING_ON_VALGRIND)
#endif
{
/* with glibc/windows overlap allowed, &str[1] returned.
* an darwin/bsd fails the __memccpy_chk().
* fails also since valgrind 3.13, 3.12 was ok.
*/
GCC_PUSH_WARN_RESTRICT
char *sub = (char *)memccpy(str1, str1, 0, nlen);
GCC_POP_WARN_RESTRICT
printf("memccpy overlap: %p <=> %p\n", (void *)sub, (void *)str1);
}
}
#endif
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
nlen = 18;
rc = memccpy_s(&str1[0], LEN, &str1[5], 0, nlen);
ERR(ESOVRLP)
CHECK_SLACK(str1, LEN);
#if !defined(__KERNEL__) && defined(HAVE_MEMCCPY)
{
/* overlap allowed, &str[1] returned */
char *sub = (char *)memccpy(&str1[0], &str1[5], 0, nlen);
printf("memccpy overlap: %p <=> %p\n", (void *)sub, (void *)str1);
}
#endif
/*--------------------------------------------------*/
strcpy(str1, "keep it simple");
str2[0] = '\0';
nlen = 10;
rc = memccpy_s(str1, LEN, str2, 0, nlen);
ERR(EOK)
CHECK_SLACK(str1, nlen);
/*--------------------------------------------------*/
str1[0] = '\0';
strcpy(str2, "keep it simple");
nlen = 20;
rc = memccpy_s(str1, LEN, str2, 0, nlen);
ERR(EOK)
EXPSTR(str1, str2)
CHECK_SLACK(&str1[14], nlen - 14);
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
nlen = 32;
rc = memccpy_s(str1, LEN, str2, 0, nlen);
ERR(EOK)
EXPSTR(str1, str2)
CHECK_SLACK(&str1[14], nlen - 14);
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
rc = memccpy_s(str1, 1, str2, 0, nlen);
ERR(ESNOSPC)
/*--------------------------------------------------*/
strcpy(str1, "qqweqeqeqeq");
strcpy(str2, "keep it simple");
rc = memccpy_s(str1, 2, str2, 0, nlen);
ERR(ESNOSPC)
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 = memccpy_s(dest, 6, str1, 0, 6);
ERR(EOK)
EXPSTR(dest, str1)
CHECK_SLACK(&str1[5], 1);
/*--------------------------------------------------*/
strcpy(dest, " ");
strcpy(str2, "goodbye");
rc = memccpy_s(dest, 5, str2, 0, 5);
ERR(ESNOSPC)
/*--------------------------------------------------*/
strcpy(dest, " ");
strcpy(str2, "goodbye");
rc = memccpy_s(dest, 5, str2, 0, 4);
ERR(EOK)
EXPSTR(dest, "good")
CHECK_SLACK(&dest[4], 5 - 4);
/*--------------------------------------------------*/
strcpy(dest, " ");
strcpy(str2, "good");
/* strnlen("good") < 5 */
rc = memccpy_s(dest, 5, str2, 0, 5);
ERR(EOK)
EXPSTR(dest, "good")
CHECK_SLACK(&dest[4], 5 - 4);
/*--------------------------------------------------*/
strcpy(str1, "qq12345weqeqeqeq");
strcpy(str2, "it");
nlen = 10;
rc = memccpy_s(str1, 10, str2, 0, 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_memccpy_s()); }
#endif
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