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204 lines
7.7 KiB
204 lines
7.7 KiB
/* |
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. |
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* |
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* Licensed under the OpenSSL license (the "License"). You may not use |
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* this file except in compliance with the License. You can obtain a copy |
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* in the file LICENSE in the source distribution or at |
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* https://www.openssl.org/source/license.html |
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*/ |
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/* |
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* Header for dynamic hash table routines Author - Eric Young |
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*/ |
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#ifndef HEADER_LHASH_H |
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# define HEADER_LHASH_H |
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# include <openssl/e_os2.h> |
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# include <openssl/bio.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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typedef struct lhash_node_st OPENSSL_LH_NODE; |
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typedef int (*OPENSSL_LH_COMPFUNC) (const void *, const void *); |
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typedef unsigned long (*OPENSSL_LH_HASHFUNC) (const void *); |
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typedef void (*OPENSSL_LH_DOALL_FUNC) (void *); |
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typedef void (*OPENSSL_LH_DOALL_FUNCARG) (void *, void *); |
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typedef struct lhash_st OPENSSL_LHASH; |
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/* |
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* Macros for declaring and implementing type-safe wrappers for LHASH |
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* callbacks. This way, callbacks can be provided to LHASH structures without |
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* function pointer casting and the macro-defined callbacks provide |
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* per-variable casting before deferring to the underlying type-specific |
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* callbacks. NB: It is possible to place a "static" in front of both the |
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* DECLARE and IMPLEMENT macros if the functions are strictly internal. |
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*/ |
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/* First: "hash" functions */ |
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# define DECLARE_LHASH_HASH_FN(name, o_type) \ |
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unsigned long name##_LHASH_HASH(const void *); |
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# define IMPLEMENT_LHASH_HASH_FN(name, o_type) \ |
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unsigned long name##_LHASH_HASH(const void *arg) { \ |
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const o_type *a = arg; \ |
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return name##_hash(a); } |
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# define LHASH_HASH_FN(name) name##_LHASH_HASH |
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/* Second: "compare" functions */ |
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# define DECLARE_LHASH_COMP_FN(name, o_type) \ |
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int name##_LHASH_COMP(const void *, const void *); |
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# define IMPLEMENT_LHASH_COMP_FN(name, o_type) \ |
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int name##_LHASH_COMP(const void *arg1, const void *arg2) { \ |
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const o_type *a = arg1; \ |
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const o_type *b = arg2; \ |
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return name##_cmp(a,b); } |
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# define LHASH_COMP_FN(name) name##_LHASH_COMP |
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/* Fourth: "doall_arg" functions */ |
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# define DECLARE_LHASH_DOALL_ARG_FN(name, o_type, a_type) \ |
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void name##_LHASH_DOALL_ARG(void *, void *); |
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# define IMPLEMENT_LHASH_DOALL_ARG_FN(name, o_type, a_type) \ |
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void name##_LHASH_DOALL_ARG(void *arg1, void *arg2) { \ |
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o_type *a = arg1; \ |
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a_type *b = arg2; \ |
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name##_doall_arg(a, b); } |
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# define LHASH_DOALL_ARG_FN(name) name##_LHASH_DOALL_ARG |
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# define LH_LOAD_MULT 256 |
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int OPENSSL_LH_error(OPENSSL_LHASH *lh); |
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OPENSSL_LHASH *OPENSSL_LH_new(OPENSSL_LH_HASHFUNC h, OPENSSL_LH_COMPFUNC c); |
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void OPENSSL_LH_free(OPENSSL_LHASH *lh); |
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void *OPENSSL_LH_insert(OPENSSL_LHASH *lh, void *data); |
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void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data); |
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void *OPENSSL_LH_retrieve(OPENSSL_LHASH *lh, const void *data); |
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void OPENSSL_LH_doall(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNC func); |
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void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg); |
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unsigned long OPENSSL_LH_strhash(const char *c); |
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unsigned long OPENSSL_LH_num_items(const OPENSSL_LHASH *lh); |
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unsigned long OPENSSL_LH_get_down_load(const OPENSSL_LHASH *lh); |
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void OPENSSL_LH_set_down_load(OPENSSL_LHASH *lh, unsigned long down_load); |
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# ifndef OPENSSL_NO_STDIO |
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void OPENSSL_LH_stats(const OPENSSL_LHASH *lh, FILE *fp); |
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void OPENSSL_LH_node_stats(const OPENSSL_LHASH *lh, FILE *fp); |
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void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH *lh, FILE *fp); |
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# endif |
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void OPENSSL_LH_stats_bio(const OPENSSL_LHASH *lh, BIO *out); |
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void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH *lh, BIO *out); |
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void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH *lh, BIO *out); |
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# if OPENSSL_API_COMPAT < 0x10100000L |
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# define _LHASH OPENSSL_LHASH |
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# define LHASH_NODE OPENSSL_LH_NODE |
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# define lh_error OPENSSL_LH_error |
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# define lh_new OPENSSL_lh_new |
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# define lh_free OPENSSL_LH_free |
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# define lh_insert OPENSSL_LH_insert |
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# define lh_delete OPENSSL_LH_delete |
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# define lh_retrieve OPENSSL_LH_retrieve |
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# define lh_doall OPENSSL_LH_doall |
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# define lh_doall_arg OPENSSL_LH_doall_arg |
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# define lh_strhash OPENSSL_LH_strhash |
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# define lh_num_items OPENSSL_LH_num_items |
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# ifndef OPENSSL_NO_STDIO |
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# define lh_stats OPENSSL_LH_stats |
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# define lh_node_stats OPENSSL_LH_node_stats |
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# define lh_node_usage_stats OPENSSL_LH_node_usage_stats |
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# endif |
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# define lh_stats_bio OPENSSL_LH_stats_bio |
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# define lh_node_stats_bio OPENSSL_LH_node_stats_bio |
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# define lh_node_usage_stats_bio OPENSSL_LH_node_usage_stats_bio |
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# endif |
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/* Type checking... */ |
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# define LHASH_OF(type) struct lhash_st_##type |
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# define DEFINE_LHASH_OF(type) \ |
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LHASH_OF(type) { union lh_##type##_dummy { void* d1; unsigned long d2; int d3; } dummy; }; \ |
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static ossl_inline LHASH_OF(type) * \ |
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lh_##type##_new(unsigned long (*hfn)(const type *), \ |
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int (*cfn)(const type *, const type *)) \ |
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{ \ |
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return (LHASH_OF(type) *) \ |
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OPENSSL_LH_new((OPENSSL_LH_HASHFUNC)hfn, (OPENSSL_LH_COMPFUNC)cfn); \ |
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} \ |
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static ossl_inline void lh_##type##_free(LHASH_OF(type) *lh) \ |
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{ \ |
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OPENSSL_LH_free((OPENSSL_LHASH *)lh); \ |
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} \ |
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static ossl_inline type *lh_##type##_insert(LHASH_OF(type) *lh, type *d) \ |
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{ \ |
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return (type *)OPENSSL_LH_insert((OPENSSL_LHASH *)lh, d); \ |
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} \ |
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static ossl_inline type *lh_##type##_delete(LHASH_OF(type) *lh, const type *d) \ |
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{ \ |
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return (type *)OPENSSL_LH_delete((OPENSSL_LHASH *)lh, d); \ |
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} \ |
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static ossl_inline type *lh_##type##_retrieve(LHASH_OF(type) *lh, const type *d) \ |
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{ \ |
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return (type *)OPENSSL_LH_retrieve((OPENSSL_LHASH *)lh, d); \ |
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} \ |
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static ossl_inline int lh_##type##_error(LHASH_OF(type) *lh) \ |
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{ \ |
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return OPENSSL_LH_error((OPENSSL_LHASH *)lh); \ |
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} \ |
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static ossl_inline unsigned long lh_##type##_num_items(LHASH_OF(type) *lh) \ |
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{ \ |
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return OPENSSL_LH_num_items((OPENSSL_LHASH *)lh); \ |
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} \ |
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static ossl_inline void lh_##type##_node_stats_bio(const LHASH_OF(type) *lh, BIO *out) \ |
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{ \ |
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OPENSSL_LH_node_stats_bio((const OPENSSL_LHASH *)lh, out); \ |
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} \ |
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static ossl_inline void lh_##type##_node_usage_stats_bio(const LHASH_OF(type) *lh, BIO *out) \ |
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{ \ |
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OPENSSL_LH_node_usage_stats_bio((const OPENSSL_LHASH *)lh, out); \ |
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} \ |
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static ossl_inline void lh_##type##_stats_bio(const LHASH_OF(type) *lh, BIO *out) \ |
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{ \ |
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OPENSSL_LH_stats_bio((const OPENSSL_LHASH *)lh, out); \ |
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} \ |
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static ossl_inline unsigned long lh_##type##_get_down_load(LHASH_OF(type) *lh) \ |
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{ \ |
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return OPENSSL_LH_get_down_load((OPENSSL_LHASH *)lh); \ |
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} \ |
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static ossl_inline void lh_##type##_set_down_load(LHASH_OF(type) *lh, unsigned long dl) \ |
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{ \ |
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OPENSSL_LH_set_down_load((OPENSSL_LHASH *)lh, dl); \ |
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} \ |
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static ossl_inline void lh_##type##_doall(LHASH_OF(type) *lh, \ |
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void (*doall)(type *)) \ |
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{ \ |
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OPENSSL_LH_doall((OPENSSL_LHASH *)lh, (OPENSSL_LH_DOALL_FUNC)doall); \ |
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} \ |
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LHASH_OF(type) |
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#define IMPLEMENT_LHASH_DOALL_ARG_CONST(type, argtype) \ |
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int_implement_lhash_doall(type, argtype, const type) |
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#define IMPLEMENT_LHASH_DOALL_ARG(type, argtype) \ |
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int_implement_lhash_doall(type, argtype, type) |
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#define int_implement_lhash_doall(type, argtype, cbargtype) \ |
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static ossl_inline void \ |
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lh_##type##_doall_##argtype(LHASH_OF(type) *lh, \ |
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void (*fn)(cbargtype *, argtype *), \ |
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argtype *arg) \ |
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{ \ |
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OPENSSL_LH_doall_arg((OPENSSL_LHASH *)lh, (OPENSSL_LH_DOALL_FUNCARG)fn, (void *)arg); \ |
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} \ |
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LHASH_OF(type) |
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DEFINE_LHASH_OF(OPENSSL_STRING); |
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DEFINE_LHASH_OF(OPENSSL_CSTRING); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif
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