/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #ifndef fooid128hfoo #define fooid128hfoo /*** This file is part of systemd. Copyright 2011 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <inttypes.h> #include <stdbool.h> #include <string.h> typedef union sd_id128 sd_id128_t; union sd_id128 { uint8_t bytes[16]; uint64_t qwords[2]; }; char *sd_id128_to_string(sd_id128_t id, char s[33]); int sd_id128_from_string(const char s[33], sd_id128_t *ret); int sd_id128_randomize(sd_id128_t *ret); sd_id128_t sd_id128_make_v4_uuid(sd_id128_t id); int sd_id128_get_machine(sd_id128_t *ret); int sd_id128_get_boot(sd_id128_t *ret); #define SD_ID128_MAKE(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) \ ((sd_id128_t) { .bytes = { 0x##v0, 0x##v1, 0x##v2, 0x##v3, 0x##v4, 0x##v5, 0x##v6, 0x##v7, \ 0x##v8, 0x##v9, 0x##v10, 0x##v11, 0x##v12, 0x##v13, 0x##v14, 0x##v15 }}) static inline bool sd_id128_equal(sd_id128_t a, sd_id128_t b) { return memcmp(&a, &b, 16) == 0; } #endif