| Angel Pons | 118a9c7 | 2020-04-02 23:48:34 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Nico Huber | 2e6a0f8 | 2019-10-24 15:01:33 +0200 | [diff] [blame] | 2 | |
| 3 | #include <stdint.h> |
| 4 | #include <lib.h> |
| 5 | #include <uuid.h> |
| 6 | |
| 7 | int parse_uuid(uint8_t *const uuid, const char *const uuid_str) |
| 8 | { |
| 9 | const uint8_t order[] = { 3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15 }; |
| 10 | uint8_t uuid_binstr[UUID_LEN]; |
| 11 | unsigned int i; |
| 12 | |
| 13 | if (strlen(uuid_str) != UUID_STRLEN) |
| 14 | return -1; |
| 15 | if (uuid_str[8] != '-' || uuid_str[13] != '-' || |
| 16 | uuid_str[18] != '-' || uuid_str[23] != '-') |
| 17 | return -1; |
| 18 | if (hexstrtobin(uuid_str, uuid_binstr, UUID_LEN) != UUID_LEN) |
| 19 | return -1; |
| 20 | for (i = 0; i < UUID_LEN; ++i) |
| 21 | uuid[i] = uuid_binstr[order[i]]; |
| 22 | |
| 23 | return 0; |
| 24 | } |