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kolibrios/programs/develop/ktcc/trunk/libctest/string_memset.c
siemargl ace23ebbe2 libc testsuite + fixes
git-svn-id: svn://kolibrios.org@6433 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-05-19 12:15:22 +00:00

72 lines
1.3 KiB
C

#include <string.h>
#include <stdlib.h>
//#include <stdint.h>
#include "test.h"
static char buf[512];
static void *(*volatile pmemset)(void *, int, size_t);
static void *aligned(void *p)
{
return (void*)(((uintptr_t)p + 63) & -64U);
}
#define N 80
static void test_align(int align, int len)
{
char *s = aligned(buf);
char *want = aligned(buf + 256);
char *p;
int i;
if (align + len > N)
abort();
for (i = 0; i < N; i++)
s[i] = want[i] = ' ';
for (i = 0; i < len; i++)
want[align+i] = '#';
p = pmemset(s+align, '#', len);
if (p != s+align)
t_error("memset(%p,...) returned %p\n", s+align, p);
for (i = 0; i < N; i++)
if (s[i] != want[i]) {
t_error("memset(align %d, '#', %d) failed\n", align, len);
t_printf("got : %.*s\n", align+len+1, s);
t_printf("want: %.*s\n", align+len+1, want);
break;
}
}
static void test_value(int c)
{
int i;
pmemset(buf, c, 10);
for (i = 0; i < 10; i++)
if ((unsigned char)buf[i] != (unsigned char)c) {
t_error("memset(%d) failed: got %d\n", c, buf[i]);
break;
}
}
int main(void)
{
int i,j,k;
pmemset = memset;
for (i = 0; i < 16; i++)
for (j = 0; j < 64; j++)
test_align(i,j);
test_value('c');
test_value(0);
test_value(-1);
test_value(-5);
test_value(0xab);
printf("%s finished\n", __FILE__);
return t_status;
}