Mercurial > repos > rliterman > csp2

comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/openssl/lhash.h @ 69:33d812a61356

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
parents
children
comparison
equal deleted inserted replaced
67:0e9998148a16 69:33d812a61356
1 /*
2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
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
8 */
9
10 /*
11 * Header for dynamic hash table routines Author - Eric Young
12 */
13
14 #ifndef HEADER_LHASH_H
15 # define HEADER_LHASH_H
16
17 # include <openssl/e_os2.h>
18 # include <openssl/bio.h>
19
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23
24 typedef struct lhash_node_st OPENSSL_LH_NODE;
25 typedef int (*OPENSSL_LH_COMPFUNC) (const void *, const void *);
26 typedef unsigned long (*OPENSSL_LH_HASHFUNC) (const void *);
27 typedef void (*OPENSSL_LH_DOALL_FUNC) (void *);
28 typedef void (*OPENSSL_LH_DOALL_FUNCARG) (void *, void *);
29 typedef struct lhash_st OPENSSL_LHASH;
30
31 /*
32 * Macros for declaring and implementing type-safe wrappers for LHASH
33 * callbacks. This way, callbacks can be provided to LHASH structures without
34 * function pointer casting and the macro-defined callbacks provide
35 * per-variable casting before deferring to the underlying type-specific
36 * callbacks. NB: It is possible to place a "static" in front of both the
37 * DECLARE and IMPLEMENT macros if the functions are strictly internal.
38 */
39
40 /* First: "hash" functions */
41 # define DECLARE_LHASH_HASH_FN(name, o_type) \
42 unsigned long name##_LHASH_HASH(const void *);
43 # define IMPLEMENT_LHASH_HASH_FN(name, o_type) \
44 unsigned long name##_LHASH_HASH(const void *arg) { \
45 const o_type *a = arg; \
46 return name##_hash(a); }
47 # define LHASH_HASH_FN(name) name##_LHASH_HASH
48
49 /* Second: "compare" functions */
50 # define DECLARE_LHASH_COMP_FN(name, o_type) \
51 int name##_LHASH_COMP(const void *, const void *);
52 # define IMPLEMENT_LHASH_COMP_FN(name, o_type) \
53 int name##_LHASH_COMP(const void *arg1, const void *arg2) { \
54 const o_type *a = arg1; \
55 const o_type *b = arg2; \
56 return name##_cmp(a,b); }
57 # define LHASH_COMP_FN(name) name##_LHASH_COMP
58
59 /* Fourth: "doall_arg" functions */
60 # define DECLARE_LHASH_DOALL_ARG_FN(name, o_type, a_type) \
61 void name##_LHASH_DOALL_ARG(void *, void *);
62 # define IMPLEMENT_LHASH_DOALL_ARG_FN(name, o_type, a_type) \
63 void name##_LHASH_DOALL_ARG(void *arg1, void *arg2) { \
64 o_type *a = arg1; \
65 a_type *b = arg2; \
66 name##_doall_arg(a, b); }
67 # define LHASH_DOALL_ARG_FN(name) name##_LHASH_DOALL_ARG
68
69
70 # define LH_LOAD_MULT 256
71
72 int OPENSSL_LH_error(OPENSSL_LHASH *lh);
73 OPENSSL_LHASH *OPENSSL_LH_new(OPENSSL_LH_HASHFUNC h, OPENSSL_LH_COMPFUNC c);
74 void OPENSSL_LH_free(OPENSSL_LHASH *lh);
75 void *OPENSSL_LH_insert(OPENSSL_LHASH *lh, void *data);
76 void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data);
77 void *OPENSSL_LH_retrieve(OPENSSL_LHASH *lh, const void *data);
78 void OPENSSL_LH_doall(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNC func);
79 void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg);
80 unsigned long OPENSSL_LH_strhash(const char *c);
81 unsigned long OPENSSL_LH_num_items(const OPENSSL_LHASH *lh);
82 unsigned long OPENSSL_LH_get_down_load(const OPENSSL_LHASH *lh);
83 void OPENSSL_LH_set_down_load(OPENSSL_LHASH *lh, unsigned long down_load);
84
85 # ifndef OPENSSL_NO_STDIO
86 void OPENSSL_LH_stats(const OPENSSL_LHASH *lh, FILE *fp);
87 void OPENSSL_LH_node_stats(const OPENSSL_LHASH *lh, FILE *fp);
88 void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH *lh, FILE *fp);
89 # endif
90 void OPENSSL_LH_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
91 void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
92 void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
93
94 # if OPENSSL_API_COMPAT < 0x10100000L
95 # define _LHASH OPENSSL_LHASH
96 # define LHASH_NODE OPENSSL_LH_NODE
97 # define lh_error OPENSSL_LH_error
98 # define lh_new OPENSSL_LH_new
99 # define lh_free OPENSSL_LH_free
100 # define lh_insert OPENSSL_LH_insert
101 # define lh_delete OPENSSL_LH_delete
102 # define lh_retrieve OPENSSL_LH_retrieve
103 # define lh_doall OPENSSL_LH_doall
104 # define lh_doall_arg OPENSSL_LH_doall_arg
105 # define lh_strhash OPENSSL_LH_strhash
106 # define lh_num_items OPENSSL_LH_num_items
107 # ifndef OPENSSL_NO_STDIO
108 # define lh_stats OPENSSL_LH_stats
109 # define lh_node_stats OPENSSL_LH_node_stats
110 # define lh_node_usage_stats OPENSSL_LH_node_usage_stats
111 # endif
112 # define lh_stats_bio OPENSSL_LH_stats_bio
113 # define lh_node_stats_bio OPENSSL_LH_node_stats_bio
114 # define lh_node_usage_stats_bio OPENSSL_LH_node_usage_stats_bio
115 # endif
116
117 /* Type checking... */
118
119 # define LHASH_OF(type) struct lhash_st_##type
120
121 # define DEFINE_LHASH_OF(type) \
122 LHASH_OF(type) { union lh_##type##_dummy { void* d1; unsigned long d2; int d3; } dummy; }; \
123 static ossl_unused ossl_inline LHASH_OF(type) *lh_##type##_new(unsigned long (*hfn)(const type *), \
124 int (*cfn)(const type *, const type *)) \
125 { \
126 return (LHASH_OF(type) *) \
127 OPENSSL_LH_new((OPENSSL_LH_HASHFUNC)hfn, (OPENSSL_LH_COMPFUNC)cfn); \
128 } \
129 static ossl_unused ossl_inline void lh_##type##_free(LHASH_OF(type) *lh) \
130 { \
131 OPENSSL_LH_free((OPENSSL_LHASH *)lh); \
132 } \
133 static ossl_unused ossl_inline type *lh_##type##_insert(LHASH_OF(type) *lh, type *d) \
134 { \
135 return (type *)OPENSSL_LH_insert((OPENSSL_LHASH *)lh, d); \
136 } \
137 static ossl_unused ossl_inline type *lh_##type##_delete(LHASH_OF(type) *lh, const type *d) \
138 { \
139 return (type *)OPENSSL_LH_delete((OPENSSL_LHASH *)lh, d); \
140 } \
141 static ossl_unused ossl_inline type *lh_##type##_retrieve(LHASH_OF(type) *lh, const type *d) \
142 { \
143 return (type *)OPENSSL_LH_retrieve((OPENSSL_LHASH *)lh, d); \
144 } \
145 static ossl_unused ossl_inline int lh_##type##_error(LHASH_OF(type) *lh) \
146 { \
147 return OPENSSL_LH_error((OPENSSL_LHASH *)lh); \
148 } \
149 static ossl_unused ossl_inline unsigned long lh_##type##_num_items(LHASH_OF(type) *lh) \
150 { \
151 return OPENSSL_LH_num_items((OPENSSL_LHASH *)lh); \
152 } \
153 static ossl_unused ossl_inline void lh_##type##_node_stats_bio(const LHASH_OF(type) *lh, BIO *out) \
154 { \
155 OPENSSL_LH_node_stats_bio((const OPENSSL_LHASH *)lh, out); \
156 } \
157 static ossl_unused ossl_inline void lh_##type##_node_usage_stats_bio(const LHASH_OF(type) *lh, BIO *out) \
158 { \
159 OPENSSL_LH_node_usage_stats_bio((const OPENSSL_LHASH *)lh, out); \
160 } \
161 static ossl_unused ossl_inline void lh_##type##_stats_bio(const LHASH_OF(type) *lh, BIO *out) \
162 { \
163 OPENSSL_LH_stats_bio((const OPENSSL_LHASH *)lh, out); \
164 } \
165 static ossl_unused ossl_inline unsigned long lh_##type##_get_down_load(LHASH_OF(type) *lh) \
166 { \
167 return OPENSSL_LH_get_down_load((OPENSSL_LHASH *)lh); \
168 } \
169 static ossl_unused ossl_inline void lh_##type##_set_down_load(LHASH_OF(type) *lh, unsigned long dl) \
170 { \
171 OPENSSL_LH_set_down_load((OPENSSL_LHASH *)lh, dl); \
172 } \
173 static ossl_unused ossl_inline void lh_##type##_doall(LHASH_OF(type) *lh, \
174 void (*doall)(type *)) \
175 { \
176 OPENSSL_LH_doall((OPENSSL_LHASH *)lh, (OPENSSL_LH_DOALL_FUNC)doall); \
177 } \
178 LHASH_OF(type)
179
180 #define IMPLEMENT_LHASH_DOALL_ARG_CONST(type, argtype) \
181 int_implement_lhash_doall(type, argtype, const type)
182
183 #define IMPLEMENT_LHASH_DOALL_ARG(type, argtype) \
184 int_implement_lhash_doall(type, argtype, type)
185
186 #define int_implement_lhash_doall(type, argtype, cbargtype) \
187 static ossl_unused ossl_inline void \
188 lh_##type##_doall_##argtype(LHASH_OF(type) *lh, \
189 void (*fn)(cbargtype *, argtype *), \
190 argtype *arg) \
191 { \
192 OPENSSL_LH_doall_arg((OPENSSL_LHASH *)lh, (OPENSSL_LH_DOALL_FUNCARG)fn, (void *)arg); \
193 } \
194 LHASH_OF(type)
195
196 DEFINE_LHASH_OF(OPENSSL_STRING);
197 # ifdef _MSC_VER
198 /*
199 * push and pop this warning:
200 * warning C4090: 'function': different 'const' qualifiers
201 */
202 # pragma warning (push)
203 # pragma warning (disable: 4090)
204 # endif
205
206 DEFINE_LHASH_OF(OPENSSL_CSTRING);
207
208 # ifdef _MSC_VER
209 # pragma warning (pop)
210 # endif
211
212 /*
213 * If called without higher optimization (min. -xO3) the Oracle Developer
214 * Studio compiler generates code for the defined (static inline) functions
215 * above.
216 * This would later lead to the linker complaining about missing symbols when
217 * this header file is included but the resulting object is not linked against
218 * the Crypto library (openssl#6912).
219 */
220 # ifdef __SUNPRO_C
221 # pragma weak OPENSSL_LH_new
222 # pragma weak OPENSSL_LH_free
223 # pragma weak OPENSSL_LH_insert
224 # pragma weak OPENSSL_LH_delete
225 # pragma weak OPENSSL_LH_retrieve
226 # pragma weak OPENSSL_LH_error
227 # pragma weak OPENSSL_LH_num_items
228 # pragma weak OPENSSL_LH_node_stats_bio
229 # pragma weak OPENSSL_LH_node_usage_stats_bio
230 # pragma weak OPENSSL_LH_stats_bio
231 # pragma weak OPENSSL_LH_get_down_load
232 # pragma weak OPENSSL_LH_set_down_load
233 # pragma weak OPENSSL_LH_doall
234 # pragma weak OPENSSL_LH_doall_arg
235 # endif /* __SUNPRO_C */
236
237 #ifdef __cplusplus
238 }
239 #endif
240
241 #endif