| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <string.h> |
| |
| #include <osmocom/core/utils.h> |
| #include <osmocom/core/bits.h> |
| |
| static const uint8_t input[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }; |
| static const uint8_t exp_out[] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }; |
| |
| int main(int argc, char **argv) |
| { |
| uint8_t out[ARRAY_SIZE(input)]; |
| unsigned int offs; |
| |
| for (offs = 0; offs < sizeof(out); offs++) { |
| uint8_t *start = out + offs; |
| uint8_t len = sizeof(out) - offs; |
| |
| memcpy(out, input, sizeof(out)); |
| |
| printf("INORDER: %s\n", osmo_hexdump(start, len)); |
| osmo_revbytebits_buf(start, len); |
| printf("REVERSED: %s\n", osmo_hexdump(start, len)); |
| if (memcmp(start, exp_out + offs, len)) { |
| printf("EXPECTED: %s\n", osmo_hexdump(exp_out+offs, len)); |
| fprintf(stderr, "REVERSED != EXPECTED!\n"); |
| exit(1); |
| } |
| printf("\n"); |
| } |
| |
| return 0; |
| } |