/* SPDX-License-Identifier: GPL-2.0-only */ #include <stdint.h> #include <lib.h> #include <uuid.h> int parse_uuid(uint8_t *const uuid, const char *const uuid_str) { const uint8_t order[] = { 3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15 }; uint8_t uuid_binstr[UUID_LEN]; unsigned int i; if (strlen(uuid_str) != UUID_STRLEN) return -1; if (uuid_str[8] != '-' || uuid_str[13] != '-' || uuid_str[18] != '-' || uuid_str[23] != '-') return -1; if (hexstrtobin(uuid_str, uuid_binstr, UUID_LEN) != UUID_LEN) return -1; for (i = 0; i < UUID_LEN; ++i) uuid[i] = uuid_binstr[order[i]]; return 0; }