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/*
* Copyright (c) International Business Machines Corp., 2014
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <clib/checksum.h>
#include <clib/exception.h>
int main(void)
{
unsigned int i;
uint8_t *buf = malloc(32);
uint8_t align[8] = { 0x01, 0x02, 0x04, 0x08,
0x10, 0x20, 0x40, 0x80 };
uint8_t unaligned1[9] = { 0x11, 0x11, 0x11, 0x11,
0x22, 0x22, 0x22, 0x22, 0x33 };
uint8_t unaligned2[10] = { 0x11, 0x11, 0x11, 0x11,
0x22, 0x22, 0x22, 0x22, 0x33, 0x33 };
uint8_t unaligned3[11] = { 0x11, 0x11, 0x11, 0x11,
0x22, 0x22, 0x22, 0x22, 0x33, 0x33, 0x33 };
memcpy(buf, align, sizeof(align));
uint32_t csum = memcpy_checksum(NULL, buf, sizeof(align));
if (csum != 0x11224488) {
printf("fail %d a:%08x e:%08x\n", __LINE__, csum, 0x11224488);
return 1;
}
memcpy(buf, unaligned1, sizeof(unaligned1));
csum = memcpy_checksum(NULL, buf, sizeof(unaligned1));
if (csum != 0x00333333) {
printf("fail %d a:%08x e:%08x\n", __LINE__, csum, 0x00333333);
return 1;
}
memcpy(buf, unaligned2, sizeof(unaligned2));
csum = memcpy_checksum(NULL, buf, sizeof(unaligned2));
if (csum != 0x00003333) {
printf("fail %d a:%08x e:%08x\n", __LINE__, csum, 0x00003333);
return 1;
}
memcpy(buf, unaligned3, sizeof(unaligned3));
csum = memcpy_checksum(NULL, buf, sizeof(unaligned3));
if (csum != 0x00000033) {
printf("fail %d a:%08x e:%08x\n", __LINE__, csum, 0x00000033);
return 1;
}
char dst[16];
csum = memcpy_checksum(dst, align, sizeof(align));
if (csum != 0x11224488) {
printf("fail %d a:%08x e:%08x\n", __LINE__, csum, 0x11224488);
return 1;
}
csum = memcpy_checksum(dst, unaligned1, sizeof(unaligned1));
for (i = 0; i < sizeof(unaligned1); i++) {
if (dst[i] != unaligned1[i])
printf("fail %d byte %i a:%08x e:%08x\n",
__LINE__, i, dst[i], unaligned1[i]);
}
if (csum != 0x00333333) {
printf("fail %d a:%08x e:%08x\n", __LINE__, csum, 0x00333333);
return 1;
}
csum = memcpy_checksum(dst, unaligned2, sizeof(unaligned2));
for (i = 0; i < sizeof(unaligned2); i++) {
if (dst[i] != unaligned2[i])
printf("fail %d byte %i a:%08x e:%08x\n",
__LINE__, i, dst[i], unaligned2[i]);
}
if (csum != 0x00003333) {
printf("fail %d a:%08x e:%08x\n", __LINE__, csum, 0x00003333);
return 1;
}
csum = memcpy_checksum(dst, unaligned3, sizeof(unaligned3));
for (i = 0; i < sizeof(unaligned3); i++) {
if (dst[i] != unaligned3[i])
printf("fail %d byte %i a:%08x e:%08x\n",
__LINE__, i, dst[i], unaligned3[i]);
}
if (csum != 0x00000033) {
printf("fail %d a:%08x e:%08x\n", __LINE__, csum, 0x00000033);
return 1;
}
#if 0
exception_t ex;
try {
(void)memcpy_checksum(NULL, &align[1], sizeof(align) - 1);
} else (ex) {
printf("Hey, what's this in the weeds? It's a baby, awesome!\n");
} end_try;
#endif
return 0;
}
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