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openssl
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safestack.h
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/* * Copyright 1999-2019 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 */ #ifndef HEADER_SAFESTACK_H # define HEADER_SAFESTACK_H # include <openssl/stack.h> # include <openssl/e_os2.h> #ifdef __cplusplus extern "C" { #endif # define STACK_OF(type) struct stack_st_##type # define SKM_DEFINE_STACK_OF(t1, t2, t3) \ STACK_OF(t1); \ typedef int (*sk_##t1##_compfunc)(const t3 * const *a, const t3 *const *b); \ typedef void (*sk_##t1##_freefunc)(t3 *a); \ typedef t3 * (*sk_##t1##_copyfunc)(const t3 *a); \ static ossl_unused ossl_inline int sk_##t1##_num(const STACK_OF(t1) *sk) \ { \ return OPENSSL_sk_num((const OPENSSL_STACK *)sk); \ } \ static ossl_unused ossl_inline t2 *sk_##t1##_value(const STACK_OF(t1) *sk, int idx) \ { \ return (t2 *)OPENSSL_sk_value((const OPENSSL_STACK *)sk, idx); \ } \ static ossl_unused ossl_inline STACK_OF(t1) *sk_##t1##_new(sk_##t1##_compfunc compare) \ { \ return (STACK_OF(t1) *)OPENSSL_sk_new((OPENSSL_sk_compfunc)compare); \ } \ static ossl_unused ossl_inline STACK_OF(t1) *sk_##t1##_new_null(void) \ { \ return (STACK_OF(t1) *)OPENSSL_sk_new_null(); \ } \ static ossl_unused ossl_inline STACK_OF(t1) *sk_##t1##_new_reserve(sk_##t1##_compfunc compare, int n) \ { \ return (STACK_OF(t1) *)OPENSSL_sk_new_reserve((OPENSSL_sk_compfunc)compare, n); \ } \ static ossl_unused ossl_inline int sk_##t1##_reserve(STACK_OF(t1) *sk, int n) \ { \ return OPENSSL_sk_reserve((OPENSSL_STACK *)sk, n); \ } \ static ossl_unused ossl_inline void sk_##t1##_free(STACK_OF(t1) *sk) \ { \ OPENSSL_sk_free((OPENSSL_STACK *)sk); \ } \ static ossl_unused ossl_inline void sk_##t1##_zero(STACK_OF(t1) *sk) \ { \ OPENSSL_sk_zero((OPENSSL_STACK *)sk); \ } \ static ossl_unused ossl_inline t2 *sk_##t1##_delete(STACK_OF(t1) *sk, int i) \ { \ return (t2 *)OPENSSL_sk_delete((OPENSSL_STACK *)sk, i); \ } \ static ossl_unused ossl_inline t2 *sk_##t1##_delete_ptr(STACK_OF(t1) *sk, t2 *ptr) \ { \ return (t2 *)OPENSSL_sk_delete_ptr((OPENSSL_STACK *)sk, \ (const void *)ptr); \ } \ static ossl_unused ossl_inline int sk_##t1##_push(STACK_OF(t1) *sk, t2 *ptr) \ { \ return OPENSSL_sk_push((OPENSSL_STACK *)sk, (const void *)ptr); \ } \ static ossl_unused ossl_inline int sk_##t1##_unshift(STACK_OF(t1) *sk, t2 *ptr) \ { \ return OPENSSL_sk_unshift((OPENSSL_STACK *)sk, (const void *)ptr); \ } \ static ossl_unused ossl_inline t2 *sk_##t1##_pop(STACK_OF(t1) *sk) \ { \ return (t2 *)OPENSSL_sk_pop((OPENSSL_STACK *)sk); \ } \ static ossl_unused ossl_inline t2 *sk_##t1##_shift(STACK_OF(t1) *sk) \ { \ return (t2 *)OPENSSL_sk_shift((OPENSSL_STACK *)sk); \ } \ static ossl_unused ossl_inline void sk_##t1##_pop_free(STACK_OF(t1) *sk, sk_##t1##_freefunc freefunc) \ { \ OPENSSL_sk_pop_free((OPENSSL_STACK *)sk, (OPENSSL_sk_freefunc)freefunc); \ } \ static ossl_unused ossl_inline int sk_##t1##_insert(STACK_OF(t1) *sk, t2 *ptr, int idx) \ { \ return OPENSSL_sk_insert((OPENSSL_STACK *)sk, (const void *)ptr, idx); \ } \ static ossl_unused ossl_inline t2 *sk_##t1##_set(STACK_OF(t1) *sk, int idx, t2 *ptr) \ { \ return (t2 *)OPENSSL_sk_set((OPENSSL_STACK *)sk, idx, (const void *)ptr); \ } \ static ossl_unused ossl_inline int sk_##t1##_find(STACK_OF(t1) *sk, t2 *ptr) \ { \ return OPENSSL_sk_find((OPENSSL_STACK *)sk, (const void *)ptr); \ } \ static ossl_unused ossl_inline int sk_##t1##_find_ex(STACK_OF(t1) *sk, t2 *ptr) \ { \ return OPENSSL_sk_find_ex((OPENSSL_STACK *)sk, (const void *)ptr); \ } \ static ossl_unused ossl_inline void sk_##t1##_sort(STACK_OF(t1) *sk) \ { \ OPENSSL_sk_sort((OPENSSL_STACK *)sk); \ } \ static ossl_unused ossl_inline int sk_##t1##_is_sorted(const STACK_OF(t1) *sk) \ { \ return OPENSSL_sk_is_sorted((const OPENSSL_STACK *)sk); \ } \ static ossl_unused ossl_inline STACK_OF(t1) * sk_##t1##_dup(const STACK_OF(t1) *sk) \ { \ return (STACK_OF(t1) *)OPENSSL_sk_dup((const OPENSSL_STACK *)sk); \ } \ static ossl_unused ossl_inline STACK_OF(t1) *sk_##t1##_deep_copy(const STACK_OF(t1) *sk, \ sk_##t1##_copyfunc copyfunc, \ sk_##t1##_freefunc freefunc) \ { \ return (STACK_OF(t1) *)OPENSSL_sk_deep_copy((const OPENSSL_STACK *)sk, \ (OPENSSL_sk_copyfunc)copyfunc, \ (OPENSSL_sk_freefunc)freefunc); \ } \ static ossl_unused ossl_inline sk_##t1##_compfunc sk_##t1##_set_cmp_func(STACK_OF(t1) *sk, sk_##t1##_compfunc compare) \ { \ return (sk_##t1##_compfunc)OPENSSL_sk_set_cmp_func((OPENSSL_STACK *)sk, (OPENSSL_sk_compfunc)compare); \ } # define DEFINE_SPECIAL_STACK_OF(t1, t2) SKM_DEFINE_STACK_OF(t1, t2, t2) # define DEFINE_STACK_OF(t) SKM_DEFINE_STACK_OF(t, t, t) # define DEFINE_SPECIAL_STACK_OF_CONST(t1, t2) \ SKM_DEFINE_STACK_OF(t1, const t2, t2) # define DEFINE_STACK_OF_CONST(t) SKM_DEFINE_STACK_OF(t, const t, t) /*- * Strings are special: normally an lhash entry will point to a single * (somewhat) mutable object. In the case of strings: * * a) Instead of a single char, there is an array of chars, NUL-terminated. * b) The string may have be immutable. * * So, they need their own declarations. Especially important for * type-checking tools, such as Deputy. * * In practice, however, it appears to be hard to have a const * string. For now, I'm settling for dealing with the fact it is a * string at all. */ typedef char *OPENSSL_STRING; typedef const char *OPENSSL_CSTRING; /*- * Confusingly, LHASH_OF(STRING) deals with char ** throughout, but * STACK_OF(STRING) is really more like STACK_OF(char), only, as mentioned * above, instead of a single char each entry is a NUL-terminated array of * chars. So, we have to implement STRING specially for STACK_OF. This is * dealt with in the autogenerated macros below. */ DEFINE_SPECIAL_STACK_OF(OPENSSL_STRING, char) DEFINE_SPECIAL_STACK_OF_CONST(OPENSSL_CSTRING, char) /* * Similarly, we sometimes use a block of characters, NOT nul-terminated. * These should also be distinguished from "normal" stacks. */ typedef void *OPENSSL_BLOCK; DEFINE_SPECIAL_STACK_OF(OPENSSL_BLOCK, void) /* * If called without higher optimization (min. -xO3) the Oracle Developer * Studio compiler generates code for the defined (static inline) functions * above. * This would later lead to the linker complaining about missing symbols when * this header file is included but the resulting object is not linked against * the Crypto library (openssl#6912). */ # ifdef __SUNPRO_C # pragma weak OPENSSL_sk_num # pragma weak OPENSSL_sk_value # pragma weak OPENSSL_sk_new # pragma weak OPENSSL_sk_new_null # pragma weak OPENSSL_sk_new_reserve # pragma weak OPENSSL_sk_reserve # pragma weak OPENSSL_sk_free # pragma weak OPENSSL_sk_zero # pragma weak OPENSSL_sk_delete # pragma weak OPENSSL_sk_delete_ptr # pragma weak OPENSSL_sk_push # pragma weak OPENSSL_sk_unshift # pragma weak OPENSSL_sk_pop # pragma weak OPENSSL_sk_shift # pragma weak OPENSSL_sk_pop_free # pragma weak OPENSSL_sk_insert # pragma weak OPENSSL_sk_set # pragma weak OPENSSL_sk_find # pragma weak OPENSSL_sk_find_ex # pragma weak OPENSSL_sk_sort # pragma weak OPENSSL_sk_is_sorted # pragma weak OPENSSL_sk_dup # pragma weak OPENSSL_sk_deep_copy # pragma weak OPENSSL_sk_set_cmp_func # endif /* __SUNPRO_C */ # ifdef __cplusplus } # endif #endif