123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217 |
- /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the OpenSSL license (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 HEADER_LHASH_H
- # define HEADER_LHASH_H
- # 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_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);
- # if OPENSSL_API_COMPAT < 0x10100000L
- # 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
- # define DEFINE_LHASH_OF(type) \
- LHASH_OF(type) { union lh_##type##_dummy { void* d1; unsigned long d2; int d3; } dummy; }; \
- static 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_inline void lh_##type##_free(LHASH_OF(type) *lh) \
- { \
- OPENSSL_LH_free((OPENSSL_LHASH *)lh); \
- } \
- static ossl_inline type *lh_##type##_insert(LHASH_OF(type) *lh, type *d) \
- { \
- return (type *)OPENSSL_LH_insert((OPENSSL_LHASH *)lh, d); \
- } \
- static ossl_inline type *lh_##type##_delete(LHASH_OF(type) *lh, const type *d) \
- { \
- return (type *)OPENSSL_LH_delete((OPENSSL_LHASH *)lh, d); \
- } \
- static ossl_inline type *lh_##type##_retrieve(LHASH_OF(type) *lh, const type *d) \
- { \
- return (type *)OPENSSL_LH_retrieve((OPENSSL_LHASH *)lh, d); \
- } \
- static ossl_inline int lh_##type##_error(LHASH_OF(type) *lh) \
- { \
- return OPENSSL_LH_error((OPENSSL_LHASH *)lh); \
- } \
- static ossl_inline unsigned long lh_##type##_num_items(LHASH_OF(type) *lh) \
- { \
- return OPENSSL_LH_num_items((OPENSSL_LHASH *)lh); \
- } \
- static 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_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_inline void lh_##type##_stats_bio(const LHASH_OF(type) *lh, BIO *out) \
- { \
- OPENSSL_LH_stats_bio((const OPENSSL_LHASH *)lh, out); \
- } \
- static ossl_inline unsigned long lh_##type##_get_down_load(LHASH_OF(type) *lh) \
- { \
- return OPENSSL_LH_get_down_load((OPENSSL_LHASH *)lh); \
- } \
- static 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_inline void lh_##type##_doall(LHASH_OF(type) *lh, \
- void (*doall)(type *)) \
- { \
- OPENSSL_LH_doall((OPENSSL_LHASH *)lh, (OPENSSL_LH_DOALL_FUNC)doall); \
- } \
- 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_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(OPENSSL_STRING);
- # ifdef _MSC_VER
- /*
- * push and pop this warning:
- * warning C4090: 'function': different 'const' qualifiers
- */
- # pragma warning (push)
- # pragma warning (disable: 4090)
- # endif
- DEFINE_LHASH_OF(OPENSSL_CSTRING);
- # ifdef _MSC_VER
- # pragma warning (pop)
- # endif
- #ifdef __cplusplus
- }
- #endif
- #endif
|