| #include <inttypes.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <string.h> |
| |
| #include <osmocom/core/utils.h> |
| #include <osmocom/core/bitvec.h> |
| |
| static void test_byte_ops() |
| { |
| struct bitvec bv; |
| const uint8_t *in = (const uint8_t *)"ABCDEFGHIJKLMNOPQRSTUVWXYZ"; |
| uint8_t out[26 + 2]; |
| uint8_t data[64]; |
| int i; |
| int rc; |
| int in_size = strlen((const char *)in); |
| |
| printf("=== start %s ===\n", __func__); |
| |
| bv.data = data; |
| bv.data_len = sizeof(data); |
| |
| for (i = 0; i < 32; i++) { |
| /* Write to bitvec */ |
| memset(data, 0x00, sizeof(data)); |
| bv.cur_bit = i; |
| rc = bitvec_set_uint(&bv, 0x7e, 8); |
| OSMO_ASSERT(rc >= 0); |
| rc = bitvec_set_bytes(&bv, in, in_size); |
| OSMO_ASSERT(rc >= 0); |
| rc = bitvec_set_uint(&bv, 0x7e, 8); |
| OSMO_ASSERT(rc >= 0); |
| |
| fprintf(stderr, "bitvec: %s\n", osmo_hexdump(bv.data, bv.data_len)); |
| |
| /* Read from bitvec */ |
| memset(out, 0xff, sizeof(out)); |
| bv.cur_bit = i; |
| rc = bitvec_get_uint(&bv, 8); |
| OSMO_ASSERT(rc == 0x7e); |
| rc = bitvec_get_bytes(&bv, out + 1, in_size); |
| OSMO_ASSERT(rc >= 0); |
| rc = bitvec_get_uint(&bv, 8); |
| OSMO_ASSERT(rc == 0x7e); |
| |
| fprintf(stderr, "out: %s\n", osmo_hexdump(out, sizeof(out))); |
| |
| OSMO_ASSERT(out[0] == 0xff); |
| OSMO_ASSERT(out[in_size+1] == 0xff); |
| OSMO_ASSERT(memcmp(in, out + 1, in_size) == 0); |
| } |
| |
| printf("=== end %s ===\n", __func__); |
| } |
| |
| static void test_unhex(const char *hex) |
| { |
| int rc; |
| struct bitvec b; |
| uint8_t d[64] = {0}; |
| b.data = d; |
| b.data_len = sizeof(d); |
| b.cur_bit = 0; |
| |
| rc = bitvec_unhex(&b, hex); |
| printf("%d -=> cur_bit=%u\n", rc, b.cur_bit); |
| printf("%s\n", osmo_hexdump_nospc(d, 64)); |
| printf("%s\n", hex); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| test_byte_ops(); |
| test_unhex("48282407a6a074227201000b2b2b2b2b2b2b2b2b2b2b2b"); |
| test_unhex("47240c00400000000000000079eb2ac9402b2b2b2b2b2b"); |
| test_unhex("47283c367513ba333004242b2b2b2b2b2b2b2b2b2b2b2b"); |
| test_unhex("DEADFACE000000000000000000000000000000BEEFFEED"); |
| test_unhex("FFFFFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"); |
| return 0; |
| } |