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1/*
2 * Copyright 1999-2017 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#ifndef HEADER_SAFESTACK_H
11# define HEADER_SAFESTACK_H
12
13# include <openssl/stack.h>
14# include <openssl/e_os2.h>
15
16#ifdef __cplusplus
17extern "C" {
18#endif
19
20# define STACK_OF(type) struct stack_st_##type
21
22# define SKM_DEFINE_STACK_OF(t1, t2, t3) \
23 STACK_OF(t1); \
24 typedef int (*sk_##t1##_compfunc)(const t3 * const *a, const t3 *const *b); \
25 typedef void (*sk_##t1##_freefunc)(t3 *a); \
26 typedef t3 * (*sk_##t1##_copyfunc)(const t3 *a); \
27 static ossl_inline int sk_##t1##_num(const STACK_OF(t1) *sk) \
28 { \
29 return OPENSSL_sk_num((const OPENSSL_STACK *)sk); \
30 } \
31 static ossl_inline t2 *sk_##t1##_value(const STACK_OF(t1) *sk, int idx) \
32 { \
33 return (t2 *)OPENSSL_sk_value((const OPENSSL_STACK *)sk, idx); \
34 } \
35 static ossl_inline STACK_OF(t1) *sk_##t1##_new(sk_##t1##_compfunc compare) \
36 { \
37 return (STACK_OF(t1) *)OPENSSL_sk_new((OPENSSL_sk_compfunc)compare); \
38 } \
39 static ossl_inline STACK_OF(t1) *sk_##t1##_new_null(void) \
40 { \
41 return (STACK_OF(t1) *)OPENSSL_sk_new_null(); \
42 } \
43 static ossl_inline STACK_OF(t1) *sk_##t1##_new_reserve(sk_##t1##_compfunc compare, int n) \
44 { \
45 return (STACK_OF(t1) *)OPENSSL_sk_new_reserve((OPENSSL_sk_compfunc)compare, n); \
46 } \
47 static ossl_inline int sk_##t1##_reserve(STACK_OF(t1) *sk, int n) \
48 { \
49 return OPENSSL_sk_reserve((OPENSSL_STACK *)sk, n); \
50 } \
51 static ossl_inline void sk_##t1##_free(STACK_OF(t1) *sk) \
52 { \
53 OPENSSL_sk_free((OPENSSL_STACK *)sk); \
54 } \
55 static ossl_inline void sk_##t1##_zero(STACK_OF(t1) *sk) \
56 { \
57 OPENSSL_sk_zero((OPENSSL_STACK *)sk); \
58 } \
59 static ossl_inline t2 *sk_##t1##_delete(STACK_OF(t1) *sk, int i) \
60 { \
61 return (t2 *)OPENSSL_sk_delete((OPENSSL_STACK *)sk, i); \
62 } \
63 static ossl_inline t2 *sk_##t1##_delete_ptr(STACK_OF(t1) *sk, t2 *ptr) \
64 { \
65 return (t2 *)OPENSSL_sk_delete_ptr((OPENSSL_STACK *)sk, \
66 (const void *)ptr); \
67 } \
68 static ossl_inline int sk_##t1##_push(STACK_OF(t1) *sk, t2 *ptr) \
69 { \
70 return OPENSSL_sk_push((OPENSSL_STACK *)sk, (const void *)ptr); \
71 } \
72 static ossl_inline int sk_##t1##_unshift(STACK_OF(t1) *sk, t2 *ptr) \
73 { \
74 return OPENSSL_sk_unshift((OPENSSL_STACK *)sk, (const void *)ptr); \
75 } \
76 static ossl_inline t2 *sk_##t1##_pop(STACK_OF(t1) *sk) \
77 { \
78 return (t2 *)OPENSSL_sk_pop((OPENSSL_STACK *)sk); \
79 } \
80 static ossl_inline t2 *sk_##t1##_shift(STACK_OF(t1) *sk) \
81 { \
82 return (t2 *)OPENSSL_sk_shift((OPENSSL_STACK *)sk); \
83 } \
84 static ossl_inline void sk_##t1##_pop_free(STACK_OF(t1) *sk, sk_##t1##_freefunc freefunc) \
85 { \
86 OPENSSL_sk_pop_free((OPENSSL_STACK *)sk, (OPENSSL_sk_freefunc)freefunc); \
87 } \
88 static ossl_inline int sk_##t1##_insert(STACK_OF(t1) *sk, t2 *ptr, int idx) \
89 { \
90 return OPENSSL_sk_insert((OPENSSL_STACK *)sk, (const void *)ptr, idx); \
91 } \
92 static ossl_inline t2 *sk_##t1##_set(STACK_OF(t1) *sk, int idx, t2 *ptr) \
93 { \
94 return (t2 *)OPENSSL_sk_set((OPENSSL_STACK *)sk, idx, (const void *)ptr); \
95 } \
96 static ossl_inline int sk_##t1##_find(STACK_OF(t1) *sk, t2 *ptr) \
97 { \
98 return OPENSSL_sk_find((OPENSSL_STACK *)sk, (const void *)ptr); \
99 } \
100 static ossl_inline int sk_##t1##_find_ex(STACK_OF(t1) *sk, t2 *ptr) \
101 { \
102 return OPENSSL_sk_find_ex((OPENSSL_STACK *)sk, (const void *)ptr); \
103 } \
104 static ossl_inline void sk_##t1##_sort(STACK_OF(t1) *sk) \
105 { \
106 OPENSSL_sk_sort((OPENSSL_STACK *)sk); \
107 } \
108 static ossl_inline int sk_##t1##_is_sorted(const STACK_OF(t1) *sk) \
109 { \
110 return OPENSSL_sk_is_sorted((const OPENSSL_STACK *)sk); \
111 } \
112 static ossl_inline STACK_OF(t1) * sk_##t1##_dup(const STACK_OF(t1) *sk) \
113 { \
114 return (STACK_OF(t1) *)OPENSSL_sk_dup((const OPENSSL_STACK *)sk); \
115 } \
116 static ossl_inline STACK_OF(t1) *sk_##t1##_deep_copy(const STACK_OF(t1) *sk, \
117 sk_##t1##_copyfunc copyfunc, \
118 sk_##t1##_freefunc freefunc) \
119 { \
120 return (STACK_OF(t1) *)OPENSSL_sk_deep_copy((const OPENSSL_STACK *)sk, \
121 (OPENSSL_sk_copyfunc)copyfunc, \
122 (OPENSSL_sk_freefunc)freefunc); \
123 } \
124 static ossl_inline sk_##t1##_compfunc sk_##t1##_set_cmp_func(STACK_OF(t1) *sk, sk_##t1##_compfunc compare) \
125 { \
126 return (sk_##t1##_compfunc)OPENSSL_sk_set_cmp_func((OPENSSL_STACK *)sk, (OPENSSL_sk_compfunc)compare); \
127 }
128
129# define DEFINE_SPECIAL_STACK_OF(t1, t2) SKM_DEFINE_STACK_OF(t1, t2, t2)
130# define DEFINE_STACK_OF(t) SKM_DEFINE_STACK_OF(t, t, t)
131# define DEFINE_SPECIAL_STACK_OF_CONST(t1, t2) \
132 SKM_DEFINE_STACK_OF(t1, const t2, t2)
133# define DEFINE_STACK_OF_CONST(t) SKM_DEFINE_STACK_OF(t, const t, t)
134
135/*-
136 * Strings are special: normally an lhash entry will point to a single
137 * (somewhat) mutable object. In the case of strings:
138 *
139 * a) Instead of a single char, there is an array of chars, NUL-terminated.
140 * b) The string may have be immutable.
141 *
142 * So, they need their own declarations. Especially important for
143 * type-checking tools, such as Deputy.
144 *
145 * In practice, however, it appears to be hard to have a const
146 * string. For now, I'm settling for dealing with the fact it is a
147 * string at all.
148 */
149typedef char *OPENSSL_STRING;
150typedef const char *OPENSSL_CSTRING;
151
152/*-
153 * Confusingly, LHASH_OF(STRING) deals with char ** throughout, but
154 * STACK_OF(STRING) is really more like STACK_OF(char), only, as mentioned
155 * above, instead of a single char each entry is a NUL-terminated array of
156 * chars. So, we have to implement STRING specially for STACK_OF. This is
157 * dealt with in the autogenerated macros below.
158 */
159DEFINE_SPECIAL_STACK_OF(OPENSSL_STRING, char)
160DEFINE_SPECIAL_STACK_OF_CONST(OPENSSL_CSTRING, char)
161
162/*
163 * Similarly, we sometimes use a block of characters, NOT nul-terminated.
164 * These should also be distinguished from "normal" stacks.
165 */
166typedef void *OPENSSL_BLOCK;
167DEFINE_SPECIAL_STACK_OF(OPENSSL_BLOCK, void)
168
169# ifdef __cplusplus
170}
171# endif
172#endif
173

Warning: That file was not part of the compilation database. It may have many parsing errors.