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#include "libft.h"
#include "test_utils.h"
#include <bsd/string.h>
_S_CRASH (ft_strlcpy_null_dst, ft_strlcpy (NULL, "abc", 10))
_S_CRASH (libc_strlcpy_null_dst, strlcpy (NULL, "abc", 10))
_S_CRASH_BUF (ft_strlcpy_null_src, 10, _s_sink = ft_strlcpy (buf, NULL, 10))
_S_CRASH_BUF (libc_strlcpy_null_src, 10, _s_sink = strlcpy (buf, NULL, 10))
_S_CRASH (ft_strlcat_null_dst, ft_strlcat (NULL, "abc", 10))
_S_CRASH (libc_strlcat_null_dst, strlcat (NULL, "abc", 10))
/* strlcat NULL src needs an initialized buffer — keep manual */
static void
_s_crash_ft_strlcat_null_src (void)
{
char buf[10] = "hi";
_s_sink = ft_strlcat (buf, NULL, 10);
}
static void
_s_crash_libc_strlcat_null_src (void)
{
char buf[10] = "hi";
_s_sink = strlcat (buf, NULL, 10);
}
/* ======================================
* strlcpy
* ====================================== */
static void
_s_test_strlcpy (void)
{
char ft_dst[64];
char libc_dst[64];
size_t ft_ret;
size_t libc_ret;
int i;
size_t size;
char src[64];
char label[64];
_s_section ("ft_strlcpy");
/* NULL */
_s_check_both_crash ("strlcpy NULL dst", _s_crash_ft_strlcpy_null_dst,
_s_crash_libc_strlcpy_null_dst);
_s_check_both_crash ("strlcpy NULL src", _s_crash_ft_strlcpy_null_src,
_s_crash_libc_strlcpy_null_src);
/* basic copy */
ft_ret = ft_strlcpy (ft_dst, "hello", 64);
libc_ret = strlcpy (libc_dst, "hello", 64);
_s_check ("basic copy ret", ft_ret == libc_ret);
_s_check ("basic copy buf", strcmp (ft_dst, libc_dst) == 0);
/* size=0 */
memset (ft_dst, 'X', 64);
memset (libc_dst, 'X', 64);
ft_ret = ft_strlcpy (ft_dst, "hello", 0);
libc_ret = strlcpy (libc_dst, "hello", 0);
_s_check ("size=0 ret", ft_ret == libc_ret);
_s_check ("size=0 buf unchanged", ft_dst[0] == 'X');
/* truncation */
ft_ret = ft_strlcpy (ft_dst, "hello world", 6);
libc_ret = strlcpy (libc_dst, "hello world", 6);
_s_check ("truncate ret", ft_ret == libc_ret);
_s_check ("truncate buf", strcmp (ft_dst, libc_dst) == 0);
_s_check ("truncate null term", ft_dst[5] == '\0');
/* exact fit */
ft_ret = ft_strlcpy (ft_dst, "abc", 4);
libc_ret = strlcpy (libc_dst, "abc", 4);
_s_check ("exact fit ret", ft_ret == libc_ret);
_s_check ("exact fit buf", strcmp (ft_dst, libc_dst) == 0);
/* empty src */
ft_ret = ft_strlcpy (ft_dst, "", 64);
libc_ret = strlcpy (libc_dst, "", 64);
_s_check ("empty src ret", ft_ret == libc_ret);
_s_check ("empty src buf", strcmp (ft_dst, libc_dst) == 0);
/* size=1 */
ft_ret = ft_strlcpy (ft_dst, "hello", 1);
libc_ret = strlcpy (libc_dst, "hello", 1);
_s_check ("size=1 ret", ft_ret == libc_ret);
_s_check ("size=1 buf", ft_dst[0] == '\0');
/* randomized */
for (i = 0; i < _S_RAND_ITERS; i++)
{
int len = rand () % 60 + 1;
int j;
for (j = 0; j < len; j++)
src[j] = 'A' + rand () % 26;
src[len] = '\0';
size = rand () % 64;
memset (ft_dst, 'Z', 64);
memset (libc_dst, 'Z', 64);
ft_ret = ft_strlcpy (ft_dst, src, size);
libc_ret = strlcpy (libc_dst, src, size);
snprintf (label, sizeof (label), "random len=%d size=%zu", len, size);
_s_check (label,
ft_ret == libc_ret && memcmp (ft_dst, libc_dst, 64) == 0);
}
}
/* ======================================
* strlcat
* ====================================== */
static void
_s_test_strlcat (void)
{
char ft_dst[64];
char libc_dst[64];
size_t ft_ret;
size_t libc_ret;
int i;
size_t size;
char label[64];
_s_section ("ft_strlcat");
/* NULL */
_s_check_both_crash ("strlcat NULL dst", _s_crash_ft_strlcat_null_dst,
_s_crash_libc_strlcat_null_dst);
_s_check_both_crash ("strlcat NULL src", _s_crash_ft_strlcat_null_src,
_s_crash_libc_strlcat_null_src);
/* basic concat */
strcpy (ft_dst, "hello");
strcpy (libc_dst, "hello");
ft_ret = ft_strlcat (ft_dst, " world", 64);
libc_ret = strlcat (libc_dst, " world", 64);
_s_check ("basic ret", ft_ret == libc_ret);
_s_check ("basic buf", strcmp (ft_dst, libc_dst) == 0);
/* size=0 */
strcpy (ft_dst, "hi");
strcpy (libc_dst, "hi");
ft_ret = ft_strlcat (ft_dst, "abc", 0);
libc_ret = strlcat (libc_dst, "abc", 0);
_s_check ("size=0 ret", ft_ret == libc_ret);
/* size == dstlen (no room to append) */
strcpy (ft_dst, "hello");
strcpy (libc_dst, "hello");
ft_ret = ft_strlcat (ft_dst, "abc", 5);
libc_ret = strlcat (libc_dst, "abc", 5);
_s_check ("size == dstlen ret", ft_ret == libc_ret);
_s_check ("size == dstlen buf", strcmp (ft_dst, libc_dst) == 0);
/* size less than dst len */
strcpy (ft_dst, "hello");
strcpy (libc_dst, "hello");
ft_ret = ft_strlcat (ft_dst, "abc", 3);
libc_ret = strlcat (libc_dst, "abc", 3);
_s_check ("size < dstlen ret", ft_ret == libc_ret);
_s_check ("size < dstlen buf", strcmp (ft_dst, libc_dst) == 0);
/* truncation */
strcpy (ft_dst, "hello");
strcpy (libc_dst, "hello");
ft_ret = ft_strlcat (ft_dst, " world", 8);
libc_ret = strlcat (libc_dst, " world", 8);
_s_check ("truncate ret", ft_ret == libc_ret);
_s_check ("truncate buf", strcmp (ft_dst, libc_dst) == 0);
/* exact fit */
strcpy (ft_dst, "abc");
strcpy (libc_dst, "abc");
ft_ret = ft_strlcat (ft_dst, "de", 6);
libc_ret = strlcat (libc_dst, "de", 6);
_s_check ("exact fit ret", ft_ret == libc_ret);
_s_check ("exact fit buf", strcmp (ft_dst, libc_dst) == 0);
/* empty src */
strcpy (ft_dst, "hello");
strcpy (libc_dst, "hello");
ft_ret = ft_strlcat (ft_dst, "", 64);
libc_ret = strlcat (libc_dst, "", 64);
_s_check ("empty src ret", ft_ret == libc_ret);
_s_check ("empty src buf", strcmp (ft_dst, libc_dst) == 0);
/* empty dst */
ft_dst[0] = '\0';
libc_dst[0] = '\0';
ft_ret = ft_strlcat (ft_dst, "hello", 64);
libc_ret = strlcat (libc_dst, "hello", 64);
_s_check ("empty dst ret", ft_ret == libc_ret);
_s_check ("empty dst buf", strcmp (ft_dst, libc_dst) == 0);
/* randomized */
for (i = 0; i < _S_RAND_ITERS; i++)
{
int dlen = rand () % 30;
int slen = rand () % 30 + 1;
int j;
for (j = 0; j < dlen; j++)
ft_dst[j] = libc_dst[j] = 'A' + rand () % 26;
ft_dst[dlen] = libc_dst[dlen] = '\0';
char src[64];
for (j = 0; j < slen; j++)
src[j] = 'a' + rand () % 26;
src[slen] = '\0';
size = rand () % 64;
memset (ft_dst + dlen + 1, 'Z', 63 - dlen);
memset (libc_dst + dlen + 1, 'Z', 63 - dlen);
ft_ret = ft_strlcat (ft_dst, src, size);
libc_ret = strlcat (libc_dst, src, size);
snprintf (label, sizeof (label), "random dlen=%d slen=%d size=%zu", dlen,
slen, size);
_s_check (label,
ft_ret == libc_ret && memcmp (ft_dst, libc_dst, 64) == 0);
}
}
int
main (void)
{
srand (time (NULL));
_s_test_strlcpy ();
_s_test_strlcat ();
_s_print_results ();
return (_s_fail != 0);
}
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