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- /*
- * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
- /*
- * Header for dynamic hash table routines Author - Eric Young
- */
-
- #ifndef OPENSSL_LHASH_H
- #define OPENSSL_LHASH_H
- #pragma once
-
- #include <openssl/macros.h>
- #ifndef OPENSSL_NO_DEPRECATED_3_0
- #define HEADER_LHASH_H
- #endif
-
- #include <openssl/e_os2.h>
- #include <openssl/bio.h>
-
- #ifdef __cplusplus
- extern "C"
- {
- #endif
-
- typedef struct lhash_node_st OPENSSL_LH_NODE;
- typedef int (*OPENSSL_LH_COMPFUNC)(const void*, const void*);
- typedef unsigned long (*OPENSSL_LH_HASHFUNC)(const void*);
- typedef void (*OPENSSL_LH_DOALL_FUNC)(void*);
- typedef void (*OPENSSL_LH_DOALL_FUNCARG)(void*, void*);
- typedef struct lhash_st OPENSSL_LHASH;
-
- /*
- * Macros for declaring and implementing type-safe wrappers for LHASH
- * callbacks. This way, callbacks can be provided to LHASH structures without
- * function pointer casting and the macro-defined callbacks provide
- * per-variable casting before deferring to the underlying type-specific
- * callbacks. NB: It is possible to place a "static" in front of both the
- * DECLARE and IMPLEMENT macros if the functions are strictly internal.
- */
-
- /* First: "hash" functions */
- #define DECLARE_LHASH_HASH_FN(name, o_type) \
- unsigned long name##_LHASH_HASH(const void*);
- #define IMPLEMENT_LHASH_HASH_FN(name, o_type) \
- unsigned long name##_LHASH_HASH(const void* arg) \
- { \
- const o_type* a = arg; \
- return name##_hash(a); \
- }
- #define LHASH_HASH_FN(name) name##_LHASH_HASH
-
- /* Second: "compare" functions */
- #define DECLARE_LHASH_COMP_FN(name, o_type) \
- int name##_LHASH_COMP(const void*, const void*);
- #define IMPLEMENT_LHASH_COMP_FN(name, o_type) \
- int name##_LHASH_COMP(const void* arg1, const void* arg2) \
- { \
- const o_type* a = arg1; \
- const o_type* b = arg2; \
- return name##_cmp(a, b); \
- }
- #define LHASH_COMP_FN(name) name##_LHASH_COMP
-
- /* Fourth: "doall_arg" functions */
- #define DECLARE_LHASH_DOALL_ARG_FN(name, o_type, a_type) \
- void name##_LHASH_DOALL_ARG(void*, void*);
- #define IMPLEMENT_LHASH_DOALL_ARG_FN(name, o_type, a_type) \
- void name##_LHASH_DOALL_ARG(void* arg1, void* arg2) \
- { \
- o_type* a = arg1; \
- a_type* b = arg2; \
- name##_doall_arg(a, b); \
- }
- #define LHASH_DOALL_ARG_FN(name) name##_LHASH_DOALL_ARG
-
- #define LH_LOAD_MULT 256
-
- int OPENSSL_LH_error(OPENSSL_LHASH* lh);
- OPENSSL_LHASH* OPENSSL_LH_new(OPENSSL_LH_HASHFUNC h, OPENSSL_LH_COMPFUNC c);
- void OPENSSL_LH_free(OPENSSL_LHASH* lh);
- void OPENSSL_LH_flush(OPENSSL_LHASH* lh);
- void* OPENSSL_LH_insert(OPENSSL_LHASH* lh, void* data);
- void* OPENSSL_LH_delete(OPENSSL_LHASH* lh, const void* data);
- void* OPENSSL_LH_retrieve(OPENSSL_LHASH* lh, const void* data);
- void OPENSSL_LH_doall(OPENSSL_LHASH* lh, OPENSSL_LH_DOALL_FUNC func);
- void OPENSSL_LH_doall_arg(OPENSSL_LHASH* lh, OPENSSL_LH_DOALL_FUNCARG func, void* arg);
- unsigned long OPENSSL_LH_strhash(const char* c);
- unsigned long OPENSSL_LH_num_items(const OPENSSL_LHASH* lh);
- unsigned long OPENSSL_LH_get_down_load(const OPENSSL_LHASH* lh);
- void OPENSSL_LH_set_down_load(OPENSSL_LHASH* lh, unsigned long down_load);
-
- #ifndef OPENSSL_NO_STDIO
- void OPENSSL_LH_stats(const OPENSSL_LHASH* lh, FILE* fp);
- void OPENSSL_LH_node_stats(const OPENSSL_LHASH* lh, FILE* fp);
- void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH* lh, FILE* fp);
- #endif
- void OPENSSL_LH_stats_bio(const OPENSSL_LHASH* lh, BIO* out);
- void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH* lh, BIO* out);
- void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH* lh, BIO* out);
-
- #ifndef OPENSSL_NO_DEPRECATED_1_1_0
- #define _LHASH OPENSSL_LHASH
- #define LHASH_NODE OPENSSL_LH_NODE
- #define lh_error OPENSSL_LH_error
- #define lh_new OPENSSL_LH_new
- #define lh_free OPENSSL_LH_free
- #define lh_insert OPENSSL_LH_insert
- #define lh_delete OPENSSL_LH_delete
- #define lh_retrieve OPENSSL_LH_retrieve
- #define lh_doall OPENSSL_LH_doall
- #define lh_doall_arg OPENSSL_LH_doall_arg
- #define lh_strhash OPENSSL_LH_strhash
- #define lh_num_items OPENSSL_LH_num_items
- #ifndef OPENSSL_NO_STDIO
- #define lh_stats OPENSSL_LH_stats
- #define lh_node_stats OPENSSL_LH_node_stats
- #define lh_node_usage_stats OPENSSL_LH_node_usage_stats
- #endif
- #define lh_stats_bio OPENSSL_LH_stats_bio
- #define lh_node_stats_bio OPENSSL_LH_node_stats_bio
- #define lh_node_usage_stats_bio OPENSSL_LH_node_usage_stats_bio
- #endif
-
- /* Type checking... */
-
- #define LHASH_OF(type) struct lhash_st_##type
-
- /* Helper macro for internal use */
- #define DEFINE_LHASH_OF_INTERNAL(type) \
- LHASH_OF(type) \
- { \
- union lh_##type##_dummy \
- { \
- void* d1; \
- unsigned long d2; \
- int d3; \
- } dummy; \
- }; \
- typedef int (*lh_##type##_compfunc)(const type* a, const type* b); \
- typedef unsigned long (*lh_##type##_hashfunc)(const type* a); \
- typedef void (*lh_##type##_doallfunc)(type * a); \
- static ossl_unused ossl_inline type* ossl_check_##type##_lh_plain_type(type* ptr) \
- { \
- return ptr; \
- } \
- static ossl_unused ossl_inline const type* ossl_check_const_##type##_lh_plain_type(const type* ptr) \
- { \
- return ptr; \
- } \
- static ossl_unused ossl_inline const OPENSSL_LHASH* ossl_check_const_##type##_lh_type(const LHASH_OF(type) * lh) \
- { \
- return (const OPENSSL_LHASH*)lh; \
- } \
- static ossl_unused ossl_inline OPENSSL_LHASH* ossl_check_##type##_lh_type(LHASH_OF(type) * lh) \
- { \
- return (OPENSSL_LHASH*)lh; \
- } \
- static ossl_unused ossl_inline OPENSSL_LH_COMPFUNC ossl_check_##type##_lh_compfunc_type(lh_##type##_compfunc cmp) \
- { \
- return (OPENSSL_LH_COMPFUNC)cmp; \
- } \
- static ossl_unused ossl_inline OPENSSL_LH_HASHFUNC ossl_check_##type##_lh_hashfunc_type(lh_##type##_hashfunc hfn) \
- { \
- return (OPENSSL_LH_HASHFUNC)hfn; \
- } \
- static ossl_unused ossl_inline OPENSSL_LH_DOALL_FUNC ossl_check_##type##_lh_doallfunc_type(lh_##type##_doallfunc dfn) \
- { \
- return (OPENSSL_LH_DOALL_FUNC)dfn; \
- } \
- LHASH_OF(type)
-
- #define DEFINE_LHASH_OF(type) \
- LHASH_OF(type) \
- { \
- union lh_##type##_dummy \
- { \
- void* d1; \
- unsigned long d2; \
- int d3; \
- } dummy; \
- }; \
- static ossl_unused ossl_inline LHASH_OF(type) * lh_##type##_new(unsigned long (*hfn)(const type*), int (*cfn)(const type*, const type*)) \
- { \
- return (LHASH_OF(type)*) \
- OPENSSL_LH_new((OPENSSL_LH_HASHFUNC)hfn, (OPENSSL_LH_COMPFUNC)cfn); \
- } \
- static ossl_unused ossl_inline void lh_##type##_free(LHASH_OF(type) * lh) \
- { \
- OPENSSL_LH_free((OPENSSL_LHASH*)lh); \
- } \
- static ossl_unused ossl_inline void lh_##type##_flush(LHASH_OF(type) * lh) \
- { \
- OPENSSL_LH_flush((OPENSSL_LHASH*)lh); \
- } \
- static ossl_unused ossl_inline type* lh_##type##_insert(LHASH_OF(type) * lh, type * d) \
- { \
- return (type*)OPENSSL_LH_insert((OPENSSL_LHASH*)lh, d); \
- } \
- static ossl_unused ossl_inline type* lh_##type##_delete(LHASH_OF(type) * lh, const type* d) \
- { \
- return (type*)OPENSSL_LH_delete((OPENSSL_LHASH*)lh, d); \
- } \
- static ossl_unused ossl_inline type* lh_##type##_retrieve(LHASH_OF(type) * lh, const type* d) \
- { \
- return (type*)OPENSSL_LH_retrieve((OPENSSL_LHASH*)lh, d); \
- } \
- static ossl_unused ossl_inline int lh_##type##_error(LHASH_OF(type) * lh) \
- { \
- return OPENSSL_LH_error((OPENSSL_LHASH*)lh); \
- } \
- static ossl_unused ossl_inline unsigned long lh_##type##_num_items(LHASH_OF(type) * lh) \
- { \
- return OPENSSL_LH_num_items((OPENSSL_LHASH*)lh); \
- } \
- static ossl_unused ossl_inline void lh_##type##_node_stats_bio(const LHASH_OF(type) * lh, BIO * out) \
- { \
- OPENSSL_LH_node_stats_bio((const OPENSSL_LHASH*)lh, out); \
- } \
- static ossl_unused ossl_inline void lh_##type##_node_usage_stats_bio(const LHASH_OF(type) * lh, BIO * out) \
- { \
- OPENSSL_LH_node_usage_stats_bio((const OPENSSL_LHASH*)lh, out); \
- } \
- static ossl_unused ossl_inline void lh_##type##_stats_bio(const LHASH_OF(type) * lh, BIO * out) \
- { \
- OPENSSL_LH_stats_bio((const OPENSSL_LHASH*)lh, out); \
- } \
- static ossl_unused ossl_inline unsigned long lh_##type##_get_down_load(LHASH_OF(type) * lh) \
- { \
- return OPENSSL_LH_get_down_load((OPENSSL_LHASH*)lh); \
- } \
- static ossl_unused ossl_inline void lh_##type##_set_down_load(LHASH_OF(type) * lh, unsigned long dl) \
- { \
- OPENSSL_LH_set_down_load((OPENSSL_LHASH*)lh, dl); \
- } \
- static ossl_unused ossl_inline void lh_##type##_doall(LHASH_OF(type) * lh, void (*doall)(type*)) \
- { \
- OPENSSL_LH_doall((OPENSSL_LHASH*)lh, (OPENSSL_LH_DOALL_FUNC)doall); \
- } \
- static ossl_unused ossl_inline void lh_##type##_doall_arg(LHASH_OF(type) * lh, void (*doallarg)(type*, void*), void* arg) \
- { \
- OPENSSL_LH_doall_arg((OPENSSL_LHASH*)lh, (OPENSSL_LH_DOALL_FUNCARG)doallarg, arg); \
- } \
- LHASH_OF(type)
-
- #define IMPLEMENT_LHASH_DOALL_ARG_CONST(type, argtype) \
- int_implement_lhash_doall(type, argtype, const type)
-
- #define IMPLEMENT_LHASH_DOALL_ARG(type, argtype) \
- int_implement_lhash_doall(type, argtype, type)
-
- #define int_implement_lhash_doall(type, argtype, cbargtype) \
- static ossl_unused ossl_inline void \
- lh_##type##_doall_##argtype(LHASH_OF(type) * lh, void (*fn)(cbargtype*, argtype*), argtype* arg) \
- { \
- OPENSSL_LH_doall_arg((OPENSSL_LHASH*)lh, (OPENSSL_LH_DOALL_FUNCARG)fn, (void*)arg); \
- } \
- LHASH_OF(type)
-
- DEFINE_LHASH_OF_INTERNAL(OPENSSL_STRING);
- #define lh_OPENSSL_STRING_new(hfn, cmp) ((LHASH_OF(OPENSSL_STRING)*)OPENSSL_LH_new(ossl_check_OPENSSL_STRING_lh_hashfunc_type(hfn), ossl_check_OPENSSL_STRING_lh_compfunc_type(cmp)))
- #define lh_OPENSSL_STRING_free(lh) OPENSSL_LH_free(ossl_check_OPENSSL_STRING_lh_type(lh))
- #define lh_OPENSSL_STRING_flush(lh) OPENSSL_LH_flush(ossl_check_OPENSSL_STRING_lh_type(lh))
- #define lh_OPENSSL_STRING_insert(lh, ptr) ((OPENSSL_STRING*)OPENSSL_LH_insert(ossl_check_OPENSSL_STRING_lh_type(lh), ossl_check_OPENSSL_STRING_lh_plain_type(ptr)))
- #define lh_OPENSSL_STRING_delete(lh, ptr) ((OPENSSL_STRING*)OPENSSL_LH_delete(ossl_check_OPENSSL_STRING_lh_type(lh), ossl_check_const_OPENSSL_STRING_lh_plain_type(ptr)))
- #define lh_OPENSSL_STRING_retrieve(lh, ptr) ((OPENSSL_STRING*)OPENSSL_LH_retrieve(ossl_check_OPENSSL_STRING_lh_type(lh), ossl_check_const_OPENSSL_STRING_lh_plain_type(ptr)))
- #define lh_OPENSSL_STRING_error(lh) OPENSSL_LH_error(ossl_check_OPENSSL_STRING_lh_type(lh))
- #define lh_OPENSSL_STRING_num_items(lh) OPENSSL_LH_num_items(ossl_check_OPENSSL_STRING_lh_type(lh))
- #define lh_OPENSSL_STRING_node_stats_bio(lh, out) OPENSSL_LH_node_stats_bio(ossl_check_const_OPENSSL_STRING_lh_type(lh), out)
- #define lh_OPENSSL_STRING_node_usage_stats_bio(lh, out) OPENSSL_LH_node_usage_stats_bio(ossl_check_const_OPENSSL_STRING_lh_type(lh), out)
- #define lh_OPENSSL_STRING_stats_bio(lh, out) OPENSSL_LH_stats_bio(ossl_check_const_OPENSSL_STRING_lh_type(lh), out)
- #define lh_OPENSSL_STRING_get_down_load(lh) OPENSSL_LH_get_down_load(ossl_check_OPENSSL_STRING_lh_type(lh))
- #define lh_OPENSSL_STRING_set_down_load(lh, dl) OPENSSL_LH_set_down_load(ossl_check_OPENSSL_STRING_lh_type(lh), dl)
- #define lh_OPENSSL_STRING_doall(lh, dfn) OPENSSL_LH_doall(ossl_check_OPENSSL_STRING_lh_type(lh), ossl_check_OPENSSL_STRING_lh_doallfunc_type(dfn))
- DEFINE_LHASH_OF_INTERNAL(OPENSSL_CSTRING);
- #define lh_OPENSSL_CSTRING_new(hfn, cmp) ((LHASH_OF(OPENSSL_CSTRING)*)OPENSSL_LH_new(ossl_check_OPENSSL_CSTRING_lh_hashfunc_type(hfn), ossl_check_OPENSSL_CSTRING_lh_compfunc_type(cmp)))
- #define lh_OPENSSL_CSTRING_free(lh) OPENSSL_LH_free(ossl_check_OPENSSL_CSTRING_lh_type(lh))
- #define lh_OPENSSL_CSTRING_flush(lh) OPENSSL_LH_flush(ossl_check_OPENSSL_CSTRING_lh_type(lh))
- #define lh_OPENSSL_CSTRING_insert(lh, ptr) ((OPENSSL_CSTRING*)OPENSSL_LH_insert(ossl_check_OPENSSL_CSTRING_lh_type(lh), ossl_check_OPENSSL_CSTRING_lh_plain_type(ptr)))
- #define lh_OPENSSL_CSTRING_delete(lh, ptr) ((OPENSSL_CSTRING*)OPENSSL_LH_delete(ossl_check_OPENSSL_CSTRING_lh_type(lh), ossl_check_const_OPENSSL_CSTRING_lh_plain_type(ptr)))
- #define lh_OPENSSL_CSTRING_retrieve(lh, ptr) ((OPENSSL_CSTRING*)OPENSSL_LH_retrieve(ossl_check_OPENSSL_CSTRING_lh_type(lh), ossl_check_const_OPENSSL_CSTRING_lh_plain_type(ptr)))
- #define lh_OPENSSL_CSTRING_error(lh) OPENSSL_LH_error(ossl_check_OPENSSL_CSTRING_lh_type(lh))
- #define lh_OPENSSL_CSTRING_num_items(lh) OPENSSL_LH_num_items(ossl_check_OPENSSL_CSTRING_lh_type(lh))
- #define lh_OPENSSL_CSTRING_node_stats_bio(lh, out) OPENSSL_LH_node_stats_bio(ossl_check_const_OPENSSL_CSTRING_lh_type(lh), out)
- #define lh_OPENSSL_CSTRING_node_usage_stats_bio(lh, out) OPENSSL_LH_node_usage_stats_bio(ossl_check_const_OPENSSL_CSTRING_lh_type(lh), out)
- #define lh_OPENSSL_CSTRING_stats_bio(lh, out) OPENSSL_LH_stats_bio(ossl_check_const_OPENSSL_CSTRING_lh_type(lh), out)
- #define lh_OPENSSL_CSTRING_get_down_load(lh) OPENSSL_LH_get_down_load(ossl_check_OPENSSL_CSTRING_lh_type(lh))
- #define lh_OPENSSL_CSTRING_set_down_load(lh, dl) OPENSSL_LH_set_down_load(ossl_check_OPENSSL_CSTRING_lh_type(lh), dl)
- #define lh_OPENSSL_CSTRING_doall(lh, dfn) OPENSSL_LH_doall(ossl_check_OPENSSL_CSTRING_lh_type(lh), ossl_check_OPENSSL_CSTRING_lh_doallfunc_type(dfn))
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif
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