| /* |
| * This testing program makes sure the byteswap functions work |
| * |
| * Copyright (C) 2000 by Theodore Ts'o. |
| * Copyright (C) 2008 Karel Zak <kzak@redhat.com> |
| * |
| * This file may be redistributed under the terms of the GNU Public |
| * License. |
| */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <time.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <errno.h> |
| #include <inttypes.h> |
| |
| #include "bitops.h" |
| |
| uint16_t ary16[] = { |
| 0x0001, 0x0100, |
| 0x1234, 0x3412, |
| 0xff00, 0x00ff, |
| 0x4000, 0x0040, |
| 0xfeff, 0xfffe, |
| 0x0000, 0x0000 |
| }; |
| |
| uint32_t ary32[] = { |
| 0x00000001, 0x01000000, |
| 0x80000000, 0x00000080, |
| 0x12345678, 0x78563412, |
| 0xffff0000, 0x0000ffff, |
| 0x00ff0000, 0x0000ff00, |
| 0xff000000, 0x000000ff, |
| 0x00000000, 0x00000000 |
| }; |
| |
| uint64_t ary64[] = { |
| 0x0000000000000001, 0x0100000000000000, |
| 0x8000000000000000, 0x0000000000000080, |
| 0x1234567812345678, 0x7856341278563412, |
| 0xffffffff00000000, 0x00000000ffffffff, |
| 0x00ff000000000000, 0x000000000000ff00, |
| 0xff00000000000000, 0x00000000000000ff, |
| 0x0000000000000000, 0x0000000000000000 |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| int i; |
| int errors = 0; |
| |
| printf("Testing swab16\n"); |
| i=0; |
| do { |
| printf("swab16(0x%04"PRIx16") = 0x%04"PRIx16"\n", |
| ary16[i], swab16(ary16[i])); |
| if (swab16(ary16[i]) != ary16[i+1]) { |
| printf("Error!!! %04"PRIx16" != %04"PRIx16"\n", |
| swab16(ary16[i]), ary16[i+1]); |
| errors++; |
| } |
| if (swab16(ary16[i+1]) != ary16[i]) { |
| printf("Error!!! %04"PRIx16" != %04"PRIx16"\n", |
| swab16(ary16[i+1]), ary16[i]); |
| errors++; |
| } |
| i += 2; |
| } while (ary16[i] != 0); |
| |
| printf("Testing swab32\n"); |
| i = 0; |
| do { |
| printf("swab32(0x%08"PRIx32") = 0x%08"PRIx32"\n", |
| ary32[i], swab32(ary32[i])); |
| if (swab32(ary32[i]) != ary32[i+1]) { |
| printf("Error!!! %04"PRIx32" != %04"PRIx32"\n", |
| swab32(ary32[i]), ary32[i+1]); |
| errors++; |
| } |
| if (swab32(ary32[i+1]) != ary32[i]) { |
| printf("Error!!! %04"PRIx32" != %04"PRIx32"\n", |
| swab32(ary32[i+1]), ary32[i]); |
| errors++; |
| } |
| i += 2; |
| } while (ary32[i] != 0); |
| |
| printf("Testing swab64\n"); |
| i = 0; |
| do { |
| printf("swab64(0x%016"PRIx64") = 0x%016"PRIx64"\n", |
| ary64[i], swab64(ary64[i])); |
| if (swab64(ary64[i]) != ary64[i+1]) { |
| printf("Error!!! %016"PRIx64" != %016"PRIx64"\n", |
| swab64(ary64[i]), ary64[i+1]); |
| errors++; |
| } |
| if (swab64(ary64[i+1]) != ary64[i]) { |
| printf("Error!!! %016"PRIx64" != %016"PRIx64"\n", |
| swab64(ary64[i+1]), ary64[i]); |
| errors++; |
| } |
| i += 2; |
| } while (ary64[i] != 0); |
| |
| if (!errors) |
| printf("No errors found in the byteswap implementation\n"); |
| |
| return errors; |
| } |