[thirdparty/openssl.git] / include / openssl / lhash.h.in

/*
 * Copyright 1995-2024 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
 */

{-
use OpenSSL::stackhash qw(generate_lhash_macros);
-}

/*
 * 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>
# ifndef OPENSSL_NO_STDIO
#  include <stdio.h>
# endif

#ifdef  __cplusplus
extern "C" {
#endif

typedef struct lhash_node_st OPENSSL_LH_NODE;
typedef int (*OPENSSL_LH_COMPFUNC) (const void *, const void *);
typedef int (*OPENSSL_LH_COMPFUNCTHUNK) (const void *, const void *, OPENSSL_LH_COMPFUNC cfn);
typedef unsigned long (*OPENSSL_LH_HASHFUNC) (const void *);
typedef unsigned long (*OPENSSL_LH_HASHFUNCTHUNK) (const void *, OPENSSL_LH_HASHFUNC hfn);
typedef void (*OPENSSL_LH_DOALL_FUNC) (void *);
typedef void (*OPENSSL_LH_DOALL_FUNC_THUNK) (void *, OPENSSL_LH_DOALL_FUNC doall);
typedef void (*OPENSSL_LH_DOALL_FUNCARG) (void *, void *);
typedef void (*OPENSSL_LH_DOALL_FUNCARG_THUNK) (void *, void *, OPENSSL_LH_DOALL_FUNCARG doall);
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);
OPENSSL_LHASH *OPENSSL_LH_set_thunks(OPENSSL_LHASH *lh,
                                     OPENSSL_LH_HASHFUNCTHUNK hw,
                                     OPENSSL_LH_COMPFUNCTHUNK cw,
                                     OPENSSL_LH_DOALL_FUNC_THUNK daw,
                                     OPENSSL_LH_DOALL_FUNCARG_THUNK daaw);
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);
void OPENSSL_LH_doall_arg_thunk(OPENSSL_LHASH *lh,
                          OPENSSL_LH_DOALL_FUNCARG_THUNK daaw,
                          OPENSSL_LH_DOALL_FUNCARG fn, 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
#  ifndef OPENSSL_NO_DEPRECATED_3_1
OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_stats(const OPENSSL_LHASH *lh, FILE *fp);
OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_node_stats(const OPENSSL_LHASH *lh, FILE *fp);
OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH *lh, FILE *fp);
#  endif
# endif
# ifndef OPENSSL_NO_DEPRECATED_3_1
OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
# endif

# 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_inline unsigned long lh_##type##_hash_thunk(const void *data, OPENSSL_LH_HASHFUNC hfn) \
    { \
        unsigned long (*hfn_conv)(const type *) = (unsigned long (*)(const type *))hfn; \
        return hfn_conv((const type *)data); \
    } \
    static ossl_inline int lh_##type##_comp_thunk(const void *da, const void *db, OPENSSL_LH_COMPFUNC cfn) \
    { \
        int (*cfn_conv)(const type *, const type *) = (int (*)(const type *, const type *))cfn; \
        return cfn_conv((const type *)da, (const type *)db); \
    } \
    static ossl_inline void lh_##type##_doall_thunk(void *node, OPENSSL_LH_DOALL_FUNC doall) \
    { \
        void (*doall_conv)(type *) = (void (*)(type *))doall; \
        doall_conv((type *)node); \
    } \
    static ossl_inline void lh_##type##_doall_arg_thunk(void *node, void *arg, OPENSSL_LH_DOALL_FUNCARG doall) \
    { \
        void (*doall_conv)(type *, void *) = (void (*)(type *, void *))doall; \
        doall_conv((type *)node, arg); \
    } \
    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)

# ifndef OPENSSL_NO_DEPRECATED_3_1
#  define DEFINE_LHASH_OF_DEPRECATED(type) \
    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); \
    }
# else
#  define DEFINE_LHASH_OF_DEPRECATED(type)
# endif

# define DEFINE_LHASH_OF_EX(type) \
    LHASH_OF(type) { \
        union lh_##type##_dummy { void* d1; unsigned long d2; int d3; } dummy; \
    }; \
    static unsigned long \
    lh_##type##_hfn_thunk(const void *data, OPENSSL_LH_HASHFUNC hfn) \
    { \
        unsigned long (*hfn_conv)(const type *) = (unsigned long (*)(const type *))hfn; \
        return hfn_conv((const type *)data); \
    } \
    static int lh_##type##_cfn_thunk(const void *da, const void *db, OPENSSL_LH_COMPFUNC cfn) \
    { \
        int (*cfn_conv)(const type *, const type *) = (int (*)(const type *, const type *))cfn; \
        return cfn_conv((const type *)da, (const type *)db); \
    } \
    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 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_thunk(void *node, OPENSSL_LH_DOALL_FUNC doall) \
    { \
        void (*doall_conv)(type *) = (void (*)(type *))doall; \
        doall_conv((type *)node); \
    } \
    static ossl_unused ossl_inline void \
    lh_##type##_doall_arg_thunk(void *node, void *arg, OPENSSL_LH_DOALL_FUNCARG doall) \
    { \
        void (*doall_conv)(type *, void *) = (void (*)(type *, void *))doall; \
        doall_conv((type *)node, arg); \
    } \
    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 LHASH_OF(type) * \
    lh_##type##_new(unsigned long (*hfn)(const type *), \
                    int (*cfn)(const type *, const type *)) \
    { \
        return (LHASH_OF(type) *)OPENSSL_LH_set_thunks(OPENSSL_LH_new((OPENSSL_LH_HASHFUNC)hfn, (OPENSSL_LH_COMPFUNC)cfn), \
                                lh_##type##_hfn_thunk, lh_##type##_cfn_thunk, \
                                lh_##type##_doall_thunk, \
                                lh_##type##_doall_arg_thunk); \
    } \
    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 DEFINE_LHASH_OF(type) \
    DEFINE_LHASH_OF_EX(type); \
    DEFINE_LHASH_OF_DEPRECATED(type) \
    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##_thunk(void *node, void *arg, OPENSSL_LH_DOALL_FUNCARG fn) \
    { \
        void (*fn_conv)(cbargtype *, argtype *) = (void (*)(cbargtype *, argtype *))fn; \
        fn_conv((cbargtype *)node, (argtype *)arg); \
    } \
    static ossl_unused ossl_inline void \
        lh_##type##_doall_##argtype(LHASH_OF(type) *lh, \
                                   void (*fn)(cbargtype *, argtype *), \
                                   argtype *arg) \
    { \
        OPENSSL_LH_doall_arg_thunk((OPENSSL_LHASH *)lh, \
                             lh_##type##_doall_##argtype##_thunk, \
                             (OPENSSL_LH_DOALL_FUNCARG)fn, \
                             (void *)arg); \
    } \
    LHASH_OF(type)

{-
    generate_lhash_macros("OPENSSL_STRING")
    .generate_lhash_macros("OPENSSL_CSTRING");
-}

#ifdef  __cplusplus
}
#endif

#endif
Commit	Line	Data
21dcbebc	1	/*
b6461792	2	* Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
0f113f3e	3	*
48f4ad77	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
21dcbebc RS	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
d02b48c6 RE	8	*/
d02b48c6 RE	9
e82f4598 MC	10	{-
	11	use OpenSSL::stackhash qw(generate_lhash_macros);
	12	-}
	13
0f113f3e MC	14	/*
0f113f3e MC	15	* Header for dynamic hash table routines Author - Eric Young
d02b48c6 RE	16	*/
d02b48c6 RE	17
ae4186b0 DMSP	18	#ifndef OPENSSL_LHASH_H
ae4186b0 DMSP	19	# define OPENSSL_LHASH_H
d86167ec DMSP	20	# pragma once
	21
	22	# include <openssl/macros.h>
936c2b9e	23	# ifndef OPENSSL_NO_DEPRECATED_3_0
d86167ec DMSP	24	# define HEADER_LHASH_H
d86167ec DMSP	25	# endif
d02b48c6	26
0f113f3e	27	# include <openssl/e_os2.h>
a00ae6c4	28	# include <openssl/bio.h>
eab9dbbd NS	29	# ifndef OPENSSL_NO_STDIO
	30	# include <stdio.h>
	31	# endif
ef33b970	32
82271cee RL	33	#ifdef __cplusplus
	34	extern "C" {
	35	#endif
	36
739a1eb1 RS	37	typedef struct lhash_node_st OPENSSL_LH_NODE;
739a1eb1 RS	38	typedef int (OPENSSL_LH_COMPFUNC) (const void , const void *);
5c42ced0	39	typedef int (OPENSSL_LH_COMPFUNCTHUNK) (const void , const void *, OPENSSL_LH_COMPFUNC cfn);
739a1eb1	40	typedef unsigned long (OPENSSL_LH_HASHFUNC) (const void );
5c42ced0	41	typedef unsigned long (OPENSSL_LH_HASHFUNCTHUNK) (const void , OPENSSL_LH_HASHFUNC hfn);
739a1eb1	42	typedef void (OPENSSL_LH_DOALL_FUNC) (void );
5c42ced0	43	typedef void (OPENSSL_LH_DOALL_FUNC_THUNK) (void , OPENSSL_LH_DOALL_FUNC doall);
739a1eb1	44	typedef void (OPENSSL_LH_DOALL_FUNCARG) (void , void *);
5c42ced0	45	typedef void (OPENSSL_LH_DOALL_FUNCARG_THUNK) (void , void *, OPENSSL_LH_DOALL_FUNCARG doall);
739a1eb1	46	typedef struct lhash_st OPENSSL_LHASH;
0f113f3e MC	47
	48	/*
	49	* Macros for declaring and implementing type-safe wrappers for LHASH
	50	* callbacks. This way, callbacks can be provided to LHASH structures without
	51	* function pointer casting and the macro-defined callbacks provide
	52	* per-variable casting before deferring to the underlying type-specific
	53	* callbacks. NB: It is possible to place a "static" in front of both the
	54	* DECLARE and IMPLEMENT macros if the functions are strictly internal.
	55	*/
dfa46e50 GT	56
dfa46e50 GT	57	/* First: "hash" functions */
0f113f3e MC	58	# define DECLARE_LHASH_HASH_FN(name, o_type) \
	59	unsigned long name##_LHASH_HASH(const void *);
	60	# define IMPLEMENT_LHASH_HASH_FN(name, o_type) \
	61	unsigned long name##_LHASH_HASH(const void *arg) { \
	62	const o_type *a = arg; \
	63	return name##_hash(a); }
	64	# define LHASH_HASH_FN(name) name##_LHASH_HASH
dfa46e50 GT	65
dfa46e50 GT	66	/* Second: "compare" functions */
0f113f3e MC	67	# define DECLARE_LHASH_COMP_FN(name, o_type) \
	68	int name##_LHASH_COMP(const void , const void );
	69	# define IMPLEMENT_LHASH_COMP_FN(name, o_type) \
	70	int name##_LHASH_COMP(const void arg1, const void arg2) { \
	71	const o_type *a = arg1; \
	72	const o_type *b = arg2; \
	73	return name##_cmp(a,b); }
	74	# define LHASH_COMP_FN(name) name##_LHASH_COMP
dfa46e50	75
18602745	76	/* Fourth: "doall_arg" functions */
0f113f3e MC	77	# define DECLARE_LHASH_DOALL_ARG_FN(name, o_type, a_type) \
	78	void name##_LHASH_DOALL_ARG(void , void );
	79	# define IMPLEMENT_LHASH_DOALL_ARG_FN(name, o_type, a_type) \
	80	void name##_LHASH_DOALL_ARG(void arg1, void arg2) { \
	81	o_type *a = arg1; \
	82	a_type *b = arg2; \
	83	name##_doall_arg(a, b); }
	84	# define LHASH_DOALL_ARG_FN(name) name##_LHASH_DOALL_ARG
	85
0f113f3e MC	86
	87	# define LH_LOAD_MULT 256
	88
739a1eb1 RS	89	int OPENSSL_LH_error(OPENSSL_LHASH *lh);
739a1eb1 RS	90	OPENSSL_LHASH *OPENSSL_LH_new(OPENSSL_LH_HASHFUNC h, OPENSSL_LH_COMPFUNC c);
5c42ced0 NH	91	OPENSSL_LHASH OPENSSL_LH_set_thunks(OPENSSL_LHASH lh,
	92	OPENSSL_LH_HASHFUNCTHUNK hw,
	93	OPENSSL_LH_COMPFUNCTHUNK cw,
	94	OPENSSL_LH_DOALL_FUNC_THUNK daw,
	95	OPENSSL_LH_DOALL_FUNCARG_THUNK daaw);
739a1eb1	96	void OPENSSL_LH_free(OPENSSL_LHASH *lh);
1bdbdaff	97	void OPENSSL_LH_flush(OPENSSL_LHASH *lh);
739a1eb1 RS	98	void OPENSSL_LH_insert(OPENSSL_LHASH lh, void *data);
	99	void OPENSSL_LH_delete(OPENSSL_LHASH lh, const void *data);
	100	void OPENSSL_LH_retrieve(OPENSSL_LHASH lh, const void *data);
	101	void OPENSSL_LH_doall(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNC func);
5c42ced0 NH	102	void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh,
	103	OPENSSL_LH_DOALL_FUNCARG func, void *arg);
	104	void OPENSSL_LH_doall_arg_thunk(OPENSSL_LHASH *lh,
	105	OPENSSL_LH_DOALL_FUNCARG_THUNK daaw,
	106	OPENSSL_LH_DOALL_FUNCARG fn, void *arg);
	107
739a1eb1 RS	108	unsigned long OPENSSL_LH_strhash(const char *c);
	109	unsigned long OPENSSL_LH_num_items(const OPENSSL_LHASH *lh);
	110	unsigned long OPENSSL_LH_get_down_load(const OPENSSL_LHASH *lh);
	111	void OPENSSL_LH_set_down_load(OPENSSL_LHASH *lh, unsigned long down_load);
d02b48c6	112
474e469b	113	# ifndef OPENSSL_NO_STDIO
6a92159d TM	114	# ifndef OPENSSL_NO_DEPRECATED_3_1
	115	OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_stats(const OPENSSL_LHASH lh, FILE fp);
	116	OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_node_stats(const OPENSSL_LHASH lh, FILE fp);
	117	OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH lh, FILE fp);
5317b6ee HL	118	# endif
5317b6ee HL	119	# endif
6a92159d TM	120	# ifndef OPENSSL_NO_DEPRECATED_3_1
	121	OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_stats_bio(const OPENSSL_LHASH lh, BIO out);
	122	OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH lh, BIO out);
	123	OSSL_DEPRECATEDIN_3_1 void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH lh, BIO out);
739a1eb1	124	# endif
739a1eb1	125
00db8c60	126	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
739a1eb1 RS	127	# define _LHASH OPENSSL_LHASH
	128	# define LHASH_NODE OPENSSL_LH_NODE
	129	# define lh_error OPENSSL_LH_error
b3c42fc2	130	# define lh_new OPENSSL_LH_new
739a1eb1 RS	131	# define lh_free OPENSSL_LH_free
	132	# define lh_insert OPENSSL_LH_insert
	133	# define lh_delete OPENSSL_LH_delete
	134	# define lh_retrieve OPENSSL_LH_retrieve
	135	# define lh_doall OPENSSL_LH_doall
	136	# define lh_doall_arg OPENSSL_LH_doall_arg
	137	# define lh_strhash OPENSSL_LH_strhash
	138	# define lh_num_items OPENSSL_LH_num_items
	139	# ifndef OPENSSL_NO_STDIO
	140	# define lh_stats OPENSSL_LH_stats
	141	# define lh_node_stats OPENSSL_LH_node_stats
	142	# define lh_node_usage_stats OPENSSL_LH_node_usage_stats
	143	# endif
	144	# define lh_stats_bio OPENSSL_LH_stats_bio
	145	# define lh_node_stats_bio OPENSSL_LH_node_stats_bio
	146	# define lh_node_usage_stats_bio OPENSSL_LH_node_usage_stats_bio
474e469b	147	# endif
3c1d6bbc	148
220903f9	149	/* Type checking... */
3c1d6bbc	150
0f113f3e	151	# define LHASH_OF(type) struct lhash_st_##type
3c1d6bbc	152
726b3293 MC	153	/* Helper macro for internal use */
726b3293 MC	154	# define DEFINE_LHASH_OF_INTERNAL(type) \
5317b6ee HL	155	LHASH_OF(type) { \
	156	union lh_##type##_dummy { void* d1; unsigned long d2; int d3; } dummy; \
	157	}; \
726b3293 MC	158	typedef int (lh_##type##_compfunc)(const type a, const type *b); \
	159	typedef unsigned long (lh_##type##_hashfunc)(const type a); \
	160	typedef void (lh_##type##_doallfunc)(type a); \
5c42ced0 NH	161	static ossl_inline unsigned long lh_##type##_hash_thunk(const void *data, OPENSSL_LH_HASHFUNC hfn) \
	162	{ \
	163	unsigned long (hfn_conv)(const type ) = (unsigned long ()(const type ))hfn; \
	164	return hfn_conv((const type *)data); \
	165	} \
	166	static ossl_inline int lh_##type##_comp_thunk(const void da, const void db, OPENSSL_LH_COMPFUNC cfn) \
	167	{ \
	168	int (cfn_conv)(const type , const type ) = (int ()(const type , const type ))cfn; \
	169	return cfn_conv((const type )da, (const type )db); \
	170	} \
	171	static ossl_inline void lh_##type##_doall_thunk(void *node, OPENSSL_LH_DOALL_FUNC doall) \
	172	{ \
	173	void (doall_conv)(type ) = (void ()(type ))doall; \
	174	doall_conv((type *)node); \
	175	} \
	176	static ossl_inline void lh_##type##_doall_arg_thunk(void node, void arg, OPENSSL_LH_DOALL_FUNCARG doall) \
	177	{ \
	178	void (doall_conv)(type , void ) = (void ()(type , void ))doall; \
	179	doall_conv((type *)node, arg); \
	180	} \
5317b6ee HL	181	static ossl_unused ossl_inline type *\
5317b6ee HL	182	ossl_check_##type##_lh_plain_type(type *ptr) \
726b3293 MC	183	{ \
	184	return ptr; \
	185	} \
5317b6ee HL	186	static ossl_unused ossl_inline const type * \
5317b6ee HL	187	ossl_check_const_##type##_lh_plain_type(const type *ptr) \
726b3293 MC	188	{ \
	189	return ptr; \
	190	} \
5317b6ee HL	191	static ossl_unused ossl_inline const OPENSSL_LHASH * \
5317b6ee HL	192	ossl_check_const_##type##_lh_type(const LHASH_OF(type) *lh) \
726b3293 MC	193	{ \
	194	return (const OPENSSL_LHASH *)lh; \
	195	} \
5317b6ee HL	196	static ossl_unused ossl_inline OPENSSL_LHASH * \
5317b6ee HL	197	ossl_check_##type##_lh_type(LHASH_OF(type) *lh) \
726b3293 MC	198	{ \
	199	return (OPENSSL_LHASH *)lh; \
	200	} \
5317b6ee HL	201	static ossl_unused ossl_inline OPENSSL_LH_COMPFUNC \
5317b6ee HL	202	ossl_check_##type##_lh_compfunc_type(lh_##type##_compfunc cmp) \
726b3293 MC	203	{ \
	204	return (OPENSSL_LH_COMPFUNC)cmp; \
	205	} \
5317b6ee HL	206	static ossl_unused ossl_inline OPENSSL_LH_HASHFUNC \
5317b6ee HL	207	ossl_check_##type##_lh_hashfunc_type(lh_##type##_hashfunc hfn) \
726b3293 MC	208	{ \
	209	return (OPENSSL_LH_HASHFUNC)hfn; \
	210	} \
5317b6ee HL	211	static ossl_unused ossl_inline OPENSSL_LH_DOALL_FUNC \
5317b6ee HL	212	ossl_check_##type##_lh_doallfunc_type(lh_##type##_doallfunc dfn) \
726b3293 MC	213	{ \
	214	return (OPENSSL_LH_DOALL_FUNC)dfn; \
	215	} \
	216	LHASH_OF(type)
	217
6a92159d	218	# ifndef OPENSSL_NO_DEPRECATED_3_1
5317b6ee HL	219	# define DEFINE_LHASH_OF_DEPRECATED(type) \
	220	static ossl_unused ossl_inline void \
	221	lh_##type##_node_stats_bio(const LHASH_OF(type) lh, BIO out) \
	222	{ \
	223	OPENSSL_LH_node_stats_bio((const OPENSSL_LHASH *)lh, out); \
	224	} \
	225	static ossl_unused ossl_inline void \
	226	lh_##type##_node_usage_stats_bio(const LHASH_OF(type) lh, BIO out) \
	227	{ \
	228	OPENSSL_LH_node_usage_stats_bio((const OPENSSL_LHASH *)lh, out); \
	229	} \
	230	static ossl_unused ossl_inline void \
	231	lh_##type##_stats_bio(const LHASH_OF(type) lh, BIO out) \
	232	{ \
	233	OPENSSL_LH_stats_bio((const OPENSSL_LHASH *)lh, out); \
	234	}
	235	# else
	236	# define DEFINE_LHASH_OF_DEPRECATED(type)
	237	# endif
	238
	239	# define DEFINE_LHASH_OF_EX(type) \
	240	LHASH_OF(type) { \
	241	union lh_##type##_dummy { void* d1; unsigned long d2; int d3; } dummy; \
	242	}; \
5c42ced0 NH	243	static unsigned long \
5c42ced0 NH	244	lh_##type##_hfn_thunk(const void *data, OPENSSL_LH_HASHFUNC hfn) \
62d0577e	245	{ \
5c42ced0 NH	246	unsigned long (hfn_conv)(const type ) = (unsigned long ()(const type ))hfn; \
	247	return hfn_conv((const type *)data); \
	248	} \
	249	static int lh_##type##_cfn_thunk(const void da, const void db, OPENSSL_LH_COMPFUNC cfn) \
	250	{ \
	251	int (cfn_conv)(const type , const type ) = (int ()(const type , const type ))cfn; \
	252	return cfn_conv((const type )da, (const type )db); \
62d0577e	253	} \
5317b6ee HL	254	static ossl_unused ossl_inline void \
5317b6ee HL	255	lh_##type##_free(LHASH_OF(type) *lh) \
e6b5c341	256	{ \
739a1eb1	257	OPENSSL_LH_free((OPENSSL_LHASH *)lh); \
e6b5c341	258	} \
5317b6ee HL	259	static ossl_unused ossl_inline void \
5317b6ee HL	260	lh_##type##_flush(LHASH_OF(type) *lh) \
1bdbdaff P	261	{ \
	262	OPENSSL_LH_flush((OPENSSL_LHASH *)lh); \
	263	} \
5317b6ee HL	264	static ossl_unused ossl_inline type * \
5317b6ee HL	265	lh_##type##_insert(LHASH_OF(type) lh, type d) \
e6b5c341	266	{ \
739a1eb1	267	return (type )OPENSSL_LH_insert((OPENSSL_LHASH )lh, d); \
e6b5c341	268	} \
5317b6ee HL	269	static ossl_unused ossl_inline type * \
5317b6ee HL	270	lh_##type##_delete(LHASH_OF(type) lh, const type d) \
e6b5c341	271	{ \
739a1eb1	272	return (type )OPENSSL_LH_delete((OPENSSL_LHASH )lh, d); \
e6b5c341	273	} \
5317b6ee HL	274	static ossl_unused ossl_inline type * \
5317b6ee HL	275	lh_##type##_retrieve(LHASH_OF(type) lh, const type d) \
e6b5c341	276	{ \
739a1eb1	277	return (type )OPENSSL_LH_retrieve((OPENSSL_LHASH )lh, d); \
e6b5c341	278	} \
5317b6ee HL	279	static ossl_unused ossl_inline int \
5317b6ee HL	280	lh_##type##_error(LHASH_OF(type) *lh) \
e6b5c341	281	{ \
739a1eb1	282	return OPENSSL_LH_error((OPENSSL_LHASH *)lh); \
e6b5c341	283	} \
5317b6ee HL	284	static ossl_unused ossl_inline unsigned long \
5317b6ee HL	285	lh_##type##_num_items(LHASH_OF(type) *lh) \
e6b5c341	286	{ \
739a1eb1	287	return OPENSSL_LH_num_items((OPENSSL_LHASH *)lh); \
e6b5c341	288	} \
5317b6ee HL	289	static ossl_unused ossl_inline unsigned long \
5317b6ee HL	290	lh_##type##_get_down_load(LHASH_OF(type) *lh) \
e6b5c341	291	{ \
739a1eb1	292	return OPENSSL_LH_get_down_load((OPENSSL_LHASH *)lh); \
e6b5c341	293	} \
5317b6ee HL	294	static ossl_unused ossl_inline void \
5317b6ee HL	295	lh_##type##_set_down_load(LHASH_OF(type) *lh, unsigned long dl) \
e6b5c341	296	{ \
739a1eb1	297	OPENSSL_LH_set_down_load((OPENSSL_LHASH *)lh, dl); \
e6b5c341	298	} \
5317b6ee	299	static ossl_unused ossl_inline void \
5c42ced0 NH	300	lh_##type##_doall_thunk(void *node, OPENSSL_LH_DOALL_FUNC doall) \
	301	{ \
	302	void (doall_conv)(type ) = (void ()(type ))doall; \
	303	doall_conv((type *)node); \
	304	} \
	305	static ossl_unused ossl_inline void \
	306	lh_##type##_doall_arg_thunk(void node, void arg, OPENSSL_LH_DOALL_FUNCARG doall) \
	307	{ \
	308	void (doall_conv)(type , void ) = (void ()(type , void ))doall; \
	309	doall_conv((type *)node, arg); \
	310	} \
	311	static ossl_unused ossl_inline void \
5317b6ee	312	lh_##type##_doall(LHASH_OF(type) lh, void (doall)(type *)) \
63c75cd6	313	{ \
739a1eb1	314	OPENSSL_LH_doall((OPENSSL_LHASH *)lh, (OPENSSL_LH_DOALL_FUNC)doall); \
63c75cd6	315	} \
5c42ced0 NH	316	static ossl_unused ossl_inline LHASH_OF(type) * \
	317	lh_##type##_new(unsigned long (hfn)(const type ), \
	318	int (cfn)(const type , const type *)) \
	319	{ \
	320	return (LHASH_OF(type) *)OPENSSL_LH_set_thunks(OPENSSL_LH_new((OPENSSL_LH_HASHFUNC)hfn, (OPENSSL_LH_COMPFUNC)cfn), \
	321	lh_##type##_hfn_thunk, lh_##type##_cfn_thunk, \
	322	lh_##type##_doall_thunk, \
	323	lh_##type##_doall_arg_thunk); \
	324	} \
5317b6ee HL	325	static ossl_unused ossl_inline void \
	326	lh_##type##_doall_arg(LHASH_OF(type) *lh, \
	327	void (doallarg)(type , void ), void arg) \
e2ed740e MC	328	{ \
	329	OPENSSL_LH_doall_arg((OPENSSL_LHASH *)lh, \
	330	(OPENSSL_LH_DOALL_FUNCARG)doallarg, arg); \
	331	} \
e6b5c341	332	LHASH_OF(type)
3c1d6bbc	333
5317b6ee HL	334	# define DEFINE_LHASH_OF(type) \
	335	DEFINE_LHASH_OF_EX(type); \
	336	DEFINE_LHASH_OF_DEPRECATED(type) \
	337	LHASH_OF(type)
	338
2a056de8 DSH	339	#define IMPLEMENT_LHASH_DOALL_ARG_CONST(type, argtype) \
	340	int_implement_lhash_doall(type, argtype, const type)
	341
	342	#define IMPLEMENT_LHASH_DOALL_ARG(type, argtype) \
	343	int_implement_lhash_doall(type, argtype, type)
	344
	345	#define int_implement_lhash_doall(type, argtype, cbargtype) \
5c42ced0 NH	346	static ossl_unused ossl_inline void \
	347	lh_##type##_doall_##argtype##_thunk(void node, void arg, OPENSSL_LH_DOALL_FUNCARG fn) \
	348	{ \
	349	void (fn_conv)(cbargtype , argtype ) = (void ()(cbargtype , argtype ))fn; \
	350	fn_conv((cbargtype )node, (argtype )arg); \
	351	} \
48fe4ce1	352	static ossl_unused ossl_inline void \
2a056de8 DSH	353	lh_##type##_doall_##argtype(LHASH_OF(type) *lh, \
	354	void (fn)(cbargtype , argtype *), \
	355	argtype *arg) \
	356	{ \
5c42ced0 NH	357	OPENSSL_LH_doall_arg_thunk((OPENSSL_LHASH *)lh, \
	358	lh_##type##_doall_##argtype##_thunk, \
	359	(OPENSSL_LH_DOALL_FUNCARG)fn, \
	360	(void *)arg); \
2a056de8 DSH	361	} \
	362	LHASH_OF(type)
	363
e82f4598 MC	364	{-
	365	generate_lhash_macros("OPENSSL_STRING")
	366	.generate_lhash_macros("OPENSSL_CSTRING");
	367	-}
05004f36	368
d02b48c6 RE	369	#ifdef __cplusplus
	370	}
	371	#endif
	372
	373	#endif