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