Harald Welte | 712691d | 2011-09-01 14:47:31 +0200 | [diff] [blame] | 1 | |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | #include <stdint.h> |
| 5 | #include <string.h> |
| 6 | |
| 7 | #include <osmocom/core/utils.h> |
| 8 | #include <osmocom/core/bits.h> |
| 9 | |
| 10 | static const uint8_t input[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }; |
| 11 | static const uint8_t exp_out[] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }; |
| 12 | |
| 13 | int main(int argc, char **argv) |
| 14 | { |
| 15 | uint8_t out[ARRAY_SIZE(input)]; |
| 16 | unsigned int offs; |
| 17 | |
| 18 | for (offs = 0; offs < sizeof(out); offs++) { |
| 19 | uint8_t *start = out + offs; |
| 20 | uint8_t len = sizeof(out) - offs; |
| 21 | |
| 22 | memcpy(out, input, sizeof(out)); |
| 23 | |
| 24 | printf("INORDER: %s\n", osmo_hexdump(start, len)); |
| 25 | osmo_revbytebits_buf(start, len); |
| 26 | printf("REVERSED: %s\n", osmo_hexdump(start, len)); |
| 27 | if (memcmp(start, exp_out + offs, len)) { |
| 28 | printf("EXPECTED: %s\n", osmo_hexdump(exp_out+offs, len)); |
| 29 | fprintf(stderr, "REVERSED != EXPECTED!\n"); |
| 30 | exit(1); |
| 31 | } |
| 32 | printf("\n"); |
| 33 | } |
| 34 | |
| 35 | return 0; |
| 36 | } |