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Diffstat (limited to 'src/basic/hash-funcs.h')
-rw-r--r-- | src/basic/hash-funcs.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/src/basic/hash-funcs.h b/src/basic/hash-funcs.h deleted file mode 100644 index 299189d143..0000000000 --- a/src/basic/hash-funcs.h +++ /dev/null @@ -1,65 +0,0 @@ -#pragma once - -/*** - 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 "macro.h" -#include "siphash24.h" - -typedef void (*hash_func_t)(const void *p, struct siphash *state); -typedef int (*compare_func_t)(const void *a, const void *b); - -struct hash_ops { - hash_func_t hash; - compare_func_t compare; -}; - -void string_hash_func(const void *p, struct siphash *state); -int string_compare_func(const void *a, const void *b) _pure_; -extern const struct hash_ops string_hash_ops; - -/* This will compare the passed pointers directly, and will not - * dereference them. This is hence not useful for strings or - * suchlike. */ -void trivial_hash_func(const void *p, struct siphash *state); -int trivial_compare_func(const void *a, const void *b) _const_; -extern const struct hash_ops trivial_hash_ops; - -/* 32bit values we can always just embed in the pointer itself, but - * in order to support 32bit archs we need store 64bit values - * indirectly, since they don't fit in a pointer. */ -void uint64_hash_func(const void *p, struct siphash *state); -int uint64_compare_func(const void *a, const void *b) _pure_; -extern const struct hash_ops uint64_hash_ops; - -/* On some archs dev_t is 32bit, and on others 64bit. And sometimes - * it's 64bit on 32bit archs, and sometimes 32bit on 64bit archs. Yuck! */ -#if SIZEOF_DEV_T != 8 -void devt_hash_func(const void *p, struct siphash *state) _pure_; -int devt_compare_func(const void *a, const void *b) _pure_; -extern const struct hash_ops devt_hash_ops = { - .hash = devt_hash_func, - .compare = devt_compare_func -}; -#else -#define devt_hash_func uint64_hash_func -#define devt_compare_func uint64_compare_func -#define devt_hash_ops uint64_hash_ops -#endif |