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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
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
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