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- /* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com). */
- #ifndef OPENSSL_HEADER_BASE_H
- #define OPENSSL_HEADER_BASE_H
- // This file should be the first included by all BoringSSL headers.
- #include <stddef.h>
- #include <stdint.h>
- #include <sys/types.h>
- #if defined(__MINGW32__)
- // stdio.h is needed on MinGW for __MINGW_PRINTF_FORMAT.
- #include <stdio.h>
- #endif
- #if defined(__APPLE__)
- #include <TargetConditionals.h>
- #endif
- // Include a BoringSSL-only header so consumers including this header without
- // setting up include paths do not accidentally pick up the system
- // opensslconf.h.
- #include <openssl/is_boringssl.h>
- #include <openssl/opensslconf.h>
- #if defined(BORINGSSL_PREFIX)
- #include <boringssl_prefix_symbols.h>
- #endif
- #if defined(__cplusplus)
- extern "C" {
- #endif
- #if defined(__x86_64) || defined(_M_AMD64) || defined(_M_X64)
- #define OPENSSL_64_BIT
- #define OPENSSL_X86_64
- #elif defined(__x86) || defined(__i386) || defined(__i386__) || defined(_M_IX86)
- #define OPENSSL_32_BIT
- #define OPENSSL_X86
- #elif defined(__AARCH64EL__) || defined(_M_ARM64)
- #define OPENSSL_64_BIT
- #define OPENSSL_AARCH64
- #elif defined(__ARMEL__) || defined(_M_ARM)
- #define OPENSSL_32_BIT
- #define OPENSSL_ARM
- #elif (defined(__PPC64__) || defined(__powerpc64__)) && defined(_LITTLE_ENDIAN)
- #define OPENSSL_64_BIT
- #define OPENSSL_PPC64LE
- #elif defined(__MIPSEL__) && !defined(__LP64__)
- #define OPENSSL_32_BIT
- #define OPENSSL_MIPS
- #elif defined(__MIPSEL__) && defined(__LP64__)
- #define OPENSSL_64_BIT
- #define OPENSSL_MIPS64
- #elif defined(__riscv) && __SIZEOF_POINTER__ == 8
- #define OPENSSL_64_BIT
- #elif defined(__riscv) && __SIZEOF_POINTER__ == 4
- #define OPENSSL_32_BIT
- #elif defined(__pnacl__)
- #define OPENSSL_32_BIT
- #define OPENSSL_PNACL
- #elif defined(__wasm__)
- #define OPENSSL_32_BIT
- #elif defined(__asmjs__)
- #define OPENSSL_32_BIT
- #elif defined(__myriad2__)
- #define OPENSSL_32_BIT
- #else
- // Note BoringSSL only supports standard 32-bit and 64-bit two's-complement,
- // little-endian architectures. Functions will not produce the correct answer
- // on other systems. Run the crypto_test binary, notably
- // crypto/compiler_test.cc, before adding a new architecture.
- #error "Unknown target CPU"
- #endif
- #if defined(__APPLE__)
- #define OPENSSL_APPLE
- // Note |TARGET_OS_MAC| is set for all Apple OS variants. |TARGET_OS_OSX|
- // targets macOS specifically.
- #if defined(TARGET_OS_OSX) && TARGET_OS_OSX
- #define OPENSSL_MACOS
- #endif
- #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
- #define OPENSSL_IOS
- #endif
- #endif
- #if defined(_WIN32)
- #define OPENSSL_WINDOWS
- #endif
- // Trusty isn't Linux but currently defines __linux__. As a workaround, we
- // exclude it here.
- // TODO(b/169780122): Remove this workaround once Trusty no longer defines it.
- #if defined(__linux__) && !defined(__TRUSTY__)
- #define OPENSSL_LINUX
- #endif
- #if defined(__Fuchsia__)
- #define OPENSSL_FUCHSIA
- #endif
- #if defined(__TRUSTY__)
- #define OPENSSL_TRUSTY
- #define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED
- #endif
- #if defined(__ANDROID_API__)
- #define OPENSSL_ANDROID
- #endif
- #if defined(__FreeBSD__)
- #define OPENSSL_FREEBSD
- #endif
- // BoringSSL requires platform's locking APIs to make internal global state
- // thread-safe, including the PRNG. On some single-threaded embedded platforms,
- // locking APIs may not exist, so this dependency may be disabled with the
- // following build flag.
- //
- // IMPORTANT: Doing so means the consumer promises the library will never be
- // used in any multi-threaded context. It causes BoringSSL to be globally
- // thread-unsafe. Setting it inappropriately will subtly and unpredictably
- // corrupt memory and leak secret keys.
- //
- // Do not set this flag on any platform where threads are possible. BoringSSL
- // maintainers will not provide support for any consumers that do so. Changes
- // which break such unsupported configurations will not be reverted.
- //#if !defined(OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED)
- //#define OPENSSL_THREADS
- //#endif
- #define OPENSSL_IS_BORINGSSL
- #define OPENSSL_VERSION_NUMBER 0x1010107f
- #define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
- // BORINGSSL_API_VERSION is a positive integer that increments as BoringSSL
- // changes over time. The value itself is not meaningful. It will be incremented
- // whenever is convenient to coordinate an API change with consumers. This will
- // not denote any special point in development.
- //
- // A consumer may use this symbol in the preprocessor to temporarily build
- // against multiple revisions of BoringSSL at the same time. It is not
- // recommended to do so for longer than is necessary.
- #define BORINGSSL_API_VERSION 17
- #if defined(BORINGSSL_SHARED_LIBRARY)
- #if defined(OPENSSL_WINDOWS)
- #if defined(BORINGSSL_IMPLEMENTATION)
- #define OPENSSL_EXPORT __declspec(dllexport)
- #else
- #define OPENSSL_EXPORT __declspec(dllimport)
- #endif
- #else // defined(OPENSSL_WINDOWS)
- #if defined(BORINGSSL_IMPLEMENTATION)
- #define OPENSSL_EXPORT __attribute__((visibility("default")))
- #else
- #define OPENSSL_EXPORT
- #endif
- #endif // defined(OPENSSL_WINDOWS)
- #else // defined(BORINGSSL_SHARED_LIBRARY)
- #define OPENSSL_EXPORT
- #endif // defined(BORINGSSL_SHARED_LIBRARY)
- #if defined(__GNUC__) || defined(__clang__)
- // MinGW has two different printf implementations. Ensure the format macro
- // matches the selected implementation. See
- // https://sourceforge.net/p/mingw-w64/wiki2/gnu%20printf/.
- #if defined(__MINGW_PRINTF_FORMAT)
- #define OPENSSL_PRINTF_FORMAT_FUNC(string_index, first_to_check) \
- __attribute__( \
- (__format__(__MINGW_PRINTF_FORMAT, string_index, first_to_check)))
- #else
- #define OPENSSL_PRINTF_FORMAT_FUNC(string_index, first_to_check) \
- __attribute__((__format__(__printf__, string_index, first_to_check)))
- #endif
- #else
- #define OPENSSL_PRINTF_FORMAT_FUNC(string_index, first_to_check)
- #endif
- // OPENSSL_MSVC_PRAGMA emits a pragma on MSVC and nothing on other compilers.
- #if defined(_MSC_VER)
- #define OPENSSL_MSVC_PRAGMA(arg) __pragma(arg)
- #else
- #define OPENSSL_MSVC_PRAGMA(arg)
- #endif
- #if defined(__GNUC__) || defined(__clang__)
- #define OPENSSL_UNUSED __attribute__((unused))
- #else
- #define OPENSSL_UNUSED
- #endif
- // C and C++ handle inline functions differently. In C++, an inline function is
- // defined in just the header file, potentially emitted in multiple compilation
- // units (in cases the compiler did not inline), but each copy must be identical
- // to satsify ODR. In C, a non-static inline must be manually emitted in exactly
- // one compilation unit with a separate extern inline declaration.
- //
- // In both languages, exported inline functions referencing file-local symbols
- // are problematic. C forbids this altogether (though GCC and Clang seem not to
- // enforce it). It works in C++, but ODR requires the definitions be identical,
- // including all names in the definitions resolving to the "same entity". In
- // practice, this is unlikely to be a problem, but an inline function that
- // returns a pointer to a file-local symbol
- // could compile oddly.
- //
- // Historically, we used static inline in headers. However, to satisfy ODR, use
- // plain inline in C++, to allow inline consumer functions to call our header
- // functions. Plain inline would also work better with C99 inline, but that is
- // not used much in practice, extern inline is tedious, and there are conflicts
- // with the old gnu89 model:
- // https://stackoverflow.com/questions/216510/extern-inline
- #if defined(__cplusplus)
- #define OPENSSL_INLINE inline
- #else
- // Add OPENSSL_UNUSED so that, should an inline function be emitted via macro
- // (e.g. a |STACK_OF(T)| implementation) in a source file without tripping
- // clang's -Wunused-function.
- #define OPENSSL_INLINE static inline OPENSSL_UNUSED
- #endif
- #if defined(BORINGSSL_UNSAFE_FUZZER_MODE) && \
- !defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE)
- #define BORINGSSL_UNSAFE_DETERMINISTIC_MODE
- #endif
- #if defined(__has_feature)
- #if __has_feature(address_sanitizer)
- #define OPENSSL_ASAN
- #endif
- #if __has_feature(thread_sanitizer)
- #define OPENSSL_TSAN
- #endif
- #if __has_feature(memory_sanitizer)
- #define OPENSSL_MSAN
- #define OPENSSL_ASM_INCOMPATIBLE
- #endif
- #endif
- #if defined(OPENSSL_ASM_INCOMPATIBLE)
- #undef OPENSSL_ASM_INCOMPATIBLE
- #if !defined(OPENSSL_NO_ASM)
- #define OPENSSL_NO_ASM
- #endif
- #endif // OPENSSL_ASM_INCOMPATIBLE
- #if defined(__cplusplus)
- // enums can be predeclared, but only in C++ and only if given an explicit type.
- // C doesn't support setting an explicit type for enums thus a #define is used
- // to do this only for C++. However, the ABI type between C and C++ need to have
- // equal sizes, which is confirmed in a unittest.
- #define BORINGSSL_ENUM_INT : int
- enum ssl_early_data_reason_t BORINGSSL_ENUM_INT;
- enum ssl_encryption_level_t BORINGSSL_ENUM_INT;
- enum ssl_private_key_result_t BORINGSSL_ENUM_INT;
- enum ssl_renegotiate_mode_t BORINGSSL_ENUM_INT;
- enum ssl_select_cert_result_t BORINGSSL_ENUM_INT;
- enum ssl_select_cert_result_t BORINGSSL_ENUM_INT;
- enum ssl_ticket_aead_result_t BORINGSSL_ENUM_INT;
- enum ssl_verify_result_t BORINGSSL_ENUM_INT;
- #else
- #define BORINGSSL_ENUM_INT
- #endif
- // CRYPTO_THREADID is a dummy value.
- typedef int CRYPTO_THREADID;
- // An |ASN1_NULL| is an opaque type. asn1.h represents the ASN.1 NULL value as
- // an opaque, non-NULL |ASN1_NULL*| pointer.
- typedef struct asn1_null_st ASN1_NULL;
- typedef int ASN1_BOOLEAN;
- typedef struct ASN1_ITEM_st ASN1_ITEM;
- typedef struct asn1_object_st ASN1_OBJECT;
- typedef struct asn1_pctx_st ASN1_PCTX;
- typedef struct asn1_string_st ASN1_BIT_STRING;
- typedef struct asn1_string_st ASN1_BMPSTRING;
- typedef struct asn1_string_st ASN1_ENUMERATED;
- typedef struct asn1_string_st ASN1_GENERALIZEDTIME;
- typedef struct asn1_string_st ASN1_GENERALSTRING;
- typedef struct asn1_string_st ASN1_IA5STRING;
- typedef struct asn1_string_st ASN1_INTEGER;
- typedef struct asn1_string_st ASN1_OCTET_STRING;
- typedef struct asn1_string_st ASN1_PRINTABLESTRING;
- typedef struct asn1_string_st ASN1_STRING;
- typedef struct asn1_string_st ASN1_T61STRING;
- typedef struct asn1_string_st ASN1_TIME;
- typedef struct asn1_string_st ASN1_UNIVERSALSTRING;
- typedef struct asn1_string_st ASN1_UTCTIME;
- typedef struct asn1_string_st ASN1_UTF8STRING;
- typedef struct asn1_string_st ASN1_VISIBLESTRING;
- typedef struct asn1_type_st ASN1_TYPE;
- typedef struct AUTHORITY_KEYID_st AUTHORITY_KEYID;
- typedef struct BASIC_CONSTRAINTS_st BASIC_CONSTRAINTS;
- typedef struct DIST_POINT_st DIST_POINT;
- typedef struct DSA_SIG_st DSA_SIG;
- typedef struct ISSUING_DIST_POINT_st ISSUING_DIST_POINT;
- typedef struct NAME_CONSTRAINTS_st NAME_CONSTRAINTS;
- typedef struct Netscape_spkac_st NETSCAPE_SPKAC;
- typedef struct Netscape_spki_st NETSCAPE_SPKI;
- typedef struct RIPEMD160state_st RIPEMD160_CTX;
- typedef struct X509_POLICY_CACHE_st X509_POLICY_CACHE;
- typedef struct X509_POLICY_LEVEL_st X509_POLICY_LEVEL;
- typedef struct X509_POLICY_NODE_st X509_POLICY_NODE;
- typedef struct X509_POLICY_TREE_st X509_POLICY_TREE;
- typedef struct X509_VERIFY_PARAM_st X509_VERIFY_PARAM;
- typedef struct X509_algor_st X509_ALGOR;
- typedef struct X509_crl_st X509_CRL;
- typedef struct X509_extension_st X509_EXTENSION;
- typedef struct X509_info_st X509_INFO;
- typedef struct X509_name_entry_st X509_NAME_ENTRY;
- typedef struct X509_name_st X509_NAME;
- typedef struct X509_pubkey_st X509_PUBKEY;
- typedef struct X509_req_st X509_REQ;
- typedef struct X509_sig_st X509_SIG;
- typedef struct bignum_ctx BN_CTX;
- typedef struct bignum_st BIGNUM;
- typedef struct bio_method_st BIO_METHOD;
- typedef struct bio_st BIO;
- typedef struct blake2b_state_st BLAKE2B_CTX;
- typedef struct bn_gencb_st BN_GENCB;
- typedef struct bn_mont_ctx_st BN_MONT_CTX;
- typedef struct buf_mem_st BUF_MEM;
- typedef struct cbb_st CBB;
- typedef struct cbs_st CBS;
- typedef struct cmac_ctx_st CMAC_CTX;
- typedef struct conf_st CONF;
- typedef struct conf_value_st CONF_VALUE;
- typedef struct crypto_buffer_pool_st CRYPTO_BUFFER_POOL;
- typedef struct crypto_buffer_st CRYPTO_BUFFER;
- typedef struct ctr_drbg_state_st CTR_DRBG_STATE;
- typedef struct dh_st DH;
- typedef struct dsa_st DSA;
- typedef struct ec_group_st EC_GROUP;
- typedef struct ec_key_st EC_KEY;
- typedef struct ec_point_st EC_POINT;
- typedef struct ecdsa_method_st ECDSA_METHOD;
- typedef struct ecdsa_sig_st ECDSA_SIG;
- typedef struct engine_st ENGINE;
- typedef struct env_md_ctx_st EVP_MD_CTX;
- typedef struct env_md_st EVP_MD;
- typedef struct evp_aead_st EVP_AEAD;
- typedef struct evp_aead_ctx_st EVP_AEAD_CTX;
- typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
- typedef struct evp_cipher_st EVP_CIPHER;
- typedef struct evp_encode_ctx_st EVP_ENCODE_CTX;
- typedef struct evp_hpke_aead_st EVP_HPKE_AEAD;
- typedef struct evp_hpke_ctx_st EVP_HPKE_CTX;
- typedef struct evp_hpke_kdf_st EVP_HPKE_KDF;
- typedef struct evp_hpke_kem_st EVP_HPKE_KEM;
- typedef struct evp_hpke_key_st EVP_HPKE_KEY;
- typedef struct evp_pkey_asn1_method_st EVP_PKEY_ASN1_METHOD;
- typedef struct evp_pkey_ctx_st EVP_PKEY_CTX;
- typedef struct evp_pkey_method_st EVP_PKEY_METHOD;
- typedef struct evp_pkey_st EVP_PKEY;
- typedef struct hmac_ctx_st HMAC_CTX;
- typedef struct md4_state_st MD4_CTX;
- typedef struct md5_state_st MD5_CTX;
- typedef struct ossl_init_settings_st OPENSSL_INIT_SETTINGS;
- typedef struct pkcs12_st PKCS12;
- typedef struct pkcs8_priv_key_info_st PKCS8_PRIV_KEY_INFO;
- typedef struct private_key_st X509_PKEY;
- typedef struct rand_meth_st RAND_METHOD;
- typedef struct rc4_key_st RC4_KEY;
- typedef struct rsa_meth_st RSA_METHOD;
- typedef struct rsa_pss_params_st RSA_PSS_PARAMS;
- typedef struct rsa_st RSA;
- typedef struct sha256_state_st SHA256_CTX;
- typedef struct sha512_state_st SHA512_CTX;
- typedef struct sha_state_st SHA_CTX;
- typedef struct spake2_ctx_st SPAKE2_CTX;
- typedef struct srtp_protection_profile_st SRTP_PROTECTION_PROFILE;
- typedef struct ssl_cipher_st SSL_CIPHER;
- typedef struct ssl_ctx_st SSL_CTX;
- typedef struct ssl_early_callback_ctx SSL_CLIENT_HELLO;
- typedef struct ssl_ech_keys_st SSL_ECH_KEYS;
- typedef struct ssl_method_st SSL_METHOD;
- typedef struct ssl_private_key_method_st SSL_PRIVATE_KEY_METHOD;
- typedef struct ssl_quic_method_st SSL_QUIC_METHOD;
- typedef struct ssl_session_st SSL_SESSION;
- typedef struct ssl_st SSL;
- typedef struct ssl_ticket_aead_method_st SSL_TICKET_AEAD_METHOD;
- typedef struct st_ERR_FNS ERR_FNS;
- typedef struct trust_token_st TRUST_TOKEN;
- typedef struct trust_token_client_st TRUST_TOKEN_CLIENT;
- typedef struct trust_token_issuer_st TRUST_TOKEN_ISSUER;
- typedef struct trust_token_method_st TRUST_TOKEN_METHOD;
- typedef struct v3_ext_ctx X509V3_CTX;
- typedef struct x509_attributes_st X509_ATTRIBUTE;
- typedef struct x509_lookup_st X509_LOOKUP;
- typedef struct x509_lookup_method_st X509_LOOKUP_METHOD;
- typedef struct x509_object_st X509_OBJECT;
- typedef struct x509_revoked_st X509_REVOKED;
- typedef struct x509_st X509;
- typedef struct x509_store_ctx_st X509_STORE_CTX;
- typedef struct x509_store_st X509_STORE;
- typedef struct x509_trust_st X509_TRUST;
- typedef void *OPENSSL_BLOCK;
- #if defined(__cplusplus)
- } // extern C
- #elif !defined(BORINGSSL_NO_CXX)
- #define BORINGSSL_NO_CXX
- #endif
- #if defined(BORINGSSL_PREFIX)
- #define BSSL_NAMESPACE_BEGIN \
- namespace bssl { \
- inline namespace BORINGSSL_PREFIX {
- #define BSSL_NAMESPACE_END \
- } \
- }
- #else
- #define BSSL_NAMESPACE_BEGIN namespace bssl {
- #define BSSL_NAMESPACE_END }
- #endif
- // MSVC doesn't set __cplusplus to 201103 to indicate C++11 support (see
- // https://connect.microsoft.com/VisualStudio/feedback/details/763051/a-value-of-predefined-macro-cplusplus-is-still-199711l)
- // so MSVC is just assumed to support C++11.
- #if !defined(BORINGSSL_NO_CXX) && __cplusplus < 201103L && !defined(_MSC_VER)
- #define BORINGSSL_NO_CXX
- #endif
- #if !defined(BORINGSSL_NO_CXX)
- extern "C++" {
- #include <memory>
- // STLPort, used by some Android consumers, not have std::unique_ptr.
- #if defined(_STLPORT_VERSION)
- #define BORINGSSL_NO_CXX
- #endif
- } // extern C++
- #endif // !BORINGSSL_NO_CXX
- #if defined(BORINGSSL_NO_CXX)
- #define BORINGSSL_MAKE_DELETER(type, deleter)
- #define BORINGSSL_MAKE_UP_REF(type, up_ref_func)
- #else
- extern "C++" {
- BSSL_NAMESPACE_BEGIN
- namespace internal {
- // The Enable parameter is ignored and only exists so specializations can use
- // SFINAE.
- template <typename T, typename Enable = void>
- struct DeleterImpl {};
- template <typename T>
- struct Deleter {
- void operator()(T *ptr) {
- // Rather than specialize Deleter for each type, we specialize
- // DeleterImpl. This allows bssl::UniquePtr<T> to be used while only
- // including base.h as long as the destructor is not emitted. This matches
- // std::unique_ptr's behavior on forward-declared types.
- //
- // DeleterImpl itself is specialized in the corresponding module's header
- // and must be included to release an object. If not included, the compiler
- // will error that DeleterImpl<T> does not have a method Free.
- DeleterImpl<T>::Free(ptr);
- }
- };
- template <typename T, typename CleanupRet, void (*init)(T *),
- CleanupRet (*cleanup)(T *)>
- class StackAllocated {
- public:
- StackAllocated() { init(&ctx_); }
- ~StackAllocated() { cleanup(&ctx_); }
- StackAllocated(const StackAllocated &) = delete;
- StackAllocated& operator=(const StackAllocated &) = delete;
- T *get() { return &ctx_; }
- const T *get() const { return &ctx_; }
- T *operator->() { return &ctx_; }
- const T *operator->() const { return &ctx_; }
- void Reset() {
- cleanup(&ctx_);
- init(&ctx_);
- }
- private:
- T ctx_;
- };
- template <typename T, typename CleanupRet, void (*init)(T *),
- CleanupRet (*cleanup)(T *), void (*move)(T *, T *)>
- class StackAllocatedMovable {
- public:
- StackAllocatedMovable() { init(&ctx_); }
- ~StackAllocatedMovable() { cleanup(&ctx_); }
- StackAllocatedMovable(StackAllocatedMovable &&other) {
- init(&ctx_);
- move(&ctx_, &other.ctx_);
- }
- StackAllocatedMovable &operator=(StackAllocatedMovable &&other) {
- move(&ctx_, &other.ctx_);
- return *this;
- }
- T *get() { return &ctx_; }
- const T *get() const { return &ctx_; }
- T *operator->() { return &ctx_; }
- const T *operator->() const { return &ctx_; }
- void Reset() {
- cleanup(&ctx_);
- init(&ctx_);
- }
- private:
- T ctx_;
- };
- } // namespace internal
- #define BORINGSSL_MAKE_DELETER(type, deleter) \
- namespace internal { \
- template <> \
- struct DeleterImpl<type> { \
- static void Free(type *ptr) { deleter(ptr); } \
- }; \
- }
- // Holds ownership of heap-allocated BoringSSL structures. Sample usage:
- // bssl::UniquePtr<RSA> rsa(RSA_new());
- // bssl::UniquePtr<BIO> bio(BIO_new(BIO_s_mem()));
- template <typename T>
- using UniquePtr = std::unique_ptr<T, internal::Deleter<T>>;
- #define BORINGSSL_MAKE_UP_REF(type, up_ref_func) \
- inline UniquePtr<type> UpRef(type *v) { \
- if (v != nullptr) { \
- up_ref_func(v); \
- } \
- return UniquePtr<type>(v); \
- } \
- \
- inline UniquePtr<type> UpRef(const UniquePtr<type> &ptr) { \
- return UpRef(ptr.get()); \
- }
- BSSL_NAMESPACE_END
- } // extern C++
- #endif // !BORINGSSL_NO_CXX
- #endif // OPENSSL_HEADER_BASE_H
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