/*** This file is part of systemd. Copyright 2010 Lennart Poettering Copyright 2014 Michal Schmidt systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include "hash-funcs.h" void string_hash_func(const void *p, struct siphash *state) { siphash24_compress(p, strlen(p) + 1, state); } int string_compare_func(const void *a, const void *b) { return strcmp(a, b); } const struct hash_ops string_hash_ops = { .hash = string_hash_func, .compare = string_compare_func }; void trivial_hash_func(const void *p, struct siphash *state) { siphash24_compress(&p, sizeof(p), state); } int trivial_compare_func(const void *a, const void *b) { return a < b ? -1 : (a > b ? 1 : 0); } const struct hash_ops trivial_hash_ops = { .hash = trivial_hash_func, .compare = trivial_compare_func }; void uint64_hash_func(const void *p, struct siphash *state) { siphash24_compress(p, sizeof(uint64_t), state); } int uint64_compare_func(const void *_a, const void *_b) { uint64_t a, b; a = *(const uint64_t*) _a; b = *(const uint64_t*) _b; return a < b ? -1 : (a > b ? 1 : 0); } const struct hash_ops uint64_hash_ops = { .hash = uint64_hash_func, .compare = uint64_compare_func }; #if SIZEOF_DEV_T != 8 void devt_hash_func(const void *p, struct siphash *state) { siphash24_compress(p, sizeof(dev_t), state); } int devt_compare_func(const void *_a, const void *_b) { dev_t a, b; a = *(const dev_t*) _a; b = *(const dev_t*) _b; return a < b ? -1 : (a > b ? 1 : 0); } const struct hash_ops devt_hash_ops = { .hash = devt_hash_func, .compare = devt_compare_func }; #endif