94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
/*
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* This testing program makes sure the byteswap functions work
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*
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* Copyright (C) 2000 by Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Library
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* General Public License, version 2.
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* %End-Header%
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*/
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#include "config.h"
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#include <stdio.h>
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#include <string.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <fcntl.h>
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#include <time.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#if HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#include "ext2_fs.h"
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#include "ext2fs.h"
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__u16 test1[] = {
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0x0001, 0x0100,
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0x1234, 0x3412,
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0xff00, 0x00ff,
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0x4000, 0x0040,
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0xfeff, 0xfffe,
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0x0000, 0x0000
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};
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__u32 test2[] = {
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0x00000001, 0x01000000,
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0x80000000, 0x00000080,
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0x12345678, 0x78563412,
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0xffff0000, 0x0000ffff,
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0x00ff0000, 0x0000ff00,
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0xff000000, 0x000000ff,
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0x00000000, 0x00000000
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};
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int main(int argc, char **argv)
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{
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int i;
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int errors = 0;
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printf("Testing ext2fs_swab16\n");
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i=0;
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do {
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printf("swab16(0x%04x) = 0x%04x\n", test1[i],
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ext2fs_swab16(test1[i]));
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if (ext2fs_swab16(test1[i]) != test1[i+1]) {
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printf("Error!!! %04x != %04x\n",
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ext2fs_swab16(test1[i]), test1[i+1]);
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errors++;
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}
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if (ext2fs_swab16(test1[i+1]) != test1[i]) {
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printf("Error!!! %04x != %04x\n",
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ext2fs_swab16(test1[i+1]), test1[i]);
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errors++;
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}
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i += 2;
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} while (test1[i] != 0);
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printf("Testing ext2fs_swab32\n");
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i = 0;
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do {
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printf("swab32(0x%08x) = 0x%08x\n", test2[i],
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ext2fs_swab32(test2[i]));
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if (ext2fs_swab32(test2[i]) != test2[i+1]) {
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printf("Error!!! %04x != %04x\n",
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ext2fs_swab32(test2[i]), test2[i+1]);
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errors++;
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}
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if (ext2fs_swab32(test2[i+1]) != test2[i]) {
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printf("Error!!! %04x != %04x\n",
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ext2fs_swab32(test2[i+1]), test2[i]);
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errors++;
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}
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i += 2;
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} while (test2[i] != 0);
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if (!errors)
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printf("No errors found in the byteswap implementation!\n");
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return errors;
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}
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