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authorMichael Biebl <biebl@debian.org>2021-10-01 23:05:04 +0200
committerMichael Biebl <biebl@debian.org>2021-10-01 23:05:04 +0200
commite74c568b07b50b97873fb4ee1d776dedefbd54d6 (patch)
tree3469f17ea9af91f7ff169b890633bda68b0cf76e /shared/systemd/src/basic/hash-funcs.h
parentbfe522304da217296e2a61040f58e35ec5d6f3f2 (diff)
New upstream version 1.32.12 upstream/1.32.12
Diffstat (limited to 'shared/systemd/src/basic/hash-funcs.h')
-rw-r--r--shared/systemd/src/basic/hash-funcs.h110
1 files changed, 0 insertions, 110 deletions
diff --git a/shared/systemd/src/basic/hash-funcs.h b/shared/systemd/src/basic/hash-funcs.h
deleted file mode 100644
index 5672df1d..00000000
--- a/shared/systemd/src/basic/hash-funcs.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-#pragma once
-
-#include "alloc-util.h"
-#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;
-        free_func_t free_key;
-        free_func_t free_value;
-};
-
-#define _DEFINE_HASH_OPS(uq, name, type, hash_func, compare_func, free_key_func, free_value_func, scope) \
-        _unused_ static void (* UNIQ_T(static_hash_wrapper, uq))(const type *, struct siphash *) = hash_func; \
-        _unused_ static int (* UNIQ_T(static_compare_wrapper, uq))(const type *, const type *) = compare_func; \
-        scope const struct hash_ops name = {                            \
-                .hash = (hash_func_t) hash_func,                        \
-                .compare = (compare_func_t) compare_func,               \
-                .free_key = free_key_func,                              \
-                .free_value = free_value_func,                          \
-        }
-
-#define _DEFINE_FREE_FUNC(uq, type, wrapper_name, func)                 \
-        /* Type-safe free function */                                   \
-        static void UNIQ_T(wrapper_name, uq)(void *a) {                 \
-                type *_a = a;                                           \
-                func(_a);                                               \
-        }
-
-#define _DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(uq, name, type, hash_func, compare_func, free_func, scope) \
-        _DEFINE_FREE_FUNC(uq, type, static_free_wrapper, free_func);    \
-        _DEFINE_HASH_OPS(uq, name, type, hash_func, compare_func,       \
-                         UNIQ_T(static_free_wrapper, uq), NULL, scope)
-
-#define _DEFINE_HASH_OPS_WITH_VALUE_DESTRUCTOR(uq, name, type, hash_func, compare_func, type_value, free_func, scope) \
-        _DEFINE_FREE_FUNC(uq, type_value, static_free_wrapper, free_func); \
-        _DEFINE_HASH_OPS(uq, name, type, hash_func, compare_func,       \
-                         NULL, UNIQ_T(static_free_wrapper, uq), scope)
-
-#define _DEFINE_HASH_OPS_FULL(uq, name, type, hash_func, compare_func, free_key_func, type_value, free_value_func, scope) \
-        _DEFINE_FREE_FUNC(uq, type, static_free_key_wrapper, free_key_func); \
-        _DEFINE_FREE_FUNC(uq, type_value, static_free_value_wrapper, free_value_func); \
-        _DEFINE_HASH_OPS(uq, name, type, hash_func, compare_func,       \
-                         UNIQ_T(static_free_key_wrapper, uq),           \
-                         UNIQ_T(static_free_value_wrapper, uq), scope)
-
-#define DEFINE_HASH_OPS(name, type, hash_func, compare_func)            \
-        _DEFINE_HASH_OPS(UNIQ, name, type, hash_func, compare_func, NULL, NULL,)
-
-#define DEFINE_PRIVATE_HASH_OPS(name, type, hash_func, compare_func)    \
-        _DEFINE_HASH_OPS(UNIQ, name, type, hash_func, compare_func, NULL, NULL, static)
-
-#define DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(name, type, hash_func, compare_func, free_func) \
-        _DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(UNIQ, name, type, hash_func, compare_func, free_func,)
-
-#define DEFINE_PRIVATE_HASH_OPS_WITH_KEY_DESTRUCTOR(name, type, hash_func, compare_func, free_func) \
-        _DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(UNIQ, name, type, hash_func, compare_func, free_func, static)
-
-#define DEFINE_HASH_OPS_WITH_VALUE_DESTRUCTOR(name, type, hash_func, compare_func, value_type, free_func) \
-        _DEFINE_HASH_OPS_WITH_VALUE_DESTRUCTOR(UNIQ, name, type, hash_func, compare_func, value_type, free_func,)
-
-#define DEFINE_PRIVATE_HASH_OPS_WITH_VALUE_DESTRUCTOR(name, type, hash_func, compare_func, value_type, free_func) \
-        _DEFINE_HASH_OPS_WITH_VALUE_DESTRUCTOR(UNIQ, name, type, hash_func, compare_func, value_type, free_func, static)
-
-#define DEFINE_HASH_OPS_FULL(name, type, hash_func, compare_func, free_key_func, value_type, free_value_func) \
-        _DEFINE_HASH_OPS_FULL(UNIQ, name, type, hash_func, compare_func, free_key_func, value_type, free_value_func,)
-
-#define DEFINE_PRIVATE_HASH_OPS_FULL(name, type, hash_func, compare_func, free_key_func, value_type, free_value_func) \
-        _DEFINE_HASH_OPS_FULL(UNIQ, name, type, hash_func, compare_func, free_key_func, value_type, free_value_func, static)
-
-void string_hash_func(const char *p, struct siphash *state);
-#define string_compare_func strcmp
-extern const struct hash_ops string_hash_ops;
-extern const struct hash_ops string_hash_ops_free;
-extern const struct hash_ops string_hash_ops_free_free;
-
-void path_hash_func(const char *p, struct siphash *state);
-extern const struct hash_ops path_hash_ops;
-extern const struct hash_ops path_hash_ops_free;
-
-/* 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;
-extern const struct hash_ops trivial_hash_ops_free;
-extern const struct hash_ops trivial_hash_ops_free_free;
-
-/* 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 uint64_t *p, struct siphash *state);
-int uint64_compare_func(const uint64_t *a, const uint64_t *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 dev_t *p, struct siphash *state) _pure_;
-int devt_compare_func(const dev_t *a, const dev_t *b) _pure_;
-extern const struct hash_ops devt_hash_ops;
-#else
-#define devt_hash_func uint64_hash_func
-#define devt_compare_func uint64_compare_func
-#define devt_hash_ops uint64_hash_ops
-#endif