| /* ==================================================================== |
| * 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(__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 |
| #if defined(BORINGSSL_FIPS) |
| // The FIPS module on Android passively receives entropy. |
| #define BORINGSSL_FIPS_PASSIVE_ENTROPY |
| #endif |
| #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 14 |
| |
| #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; |
| |
| typedef int ASN1_BOOLEAN; |
| typedef int ASN1_NULL; |
| 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_info_st X509_CRL_INFO; |
| 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_info_st X509_REQ_INFO; |
| typedef struct X509_req_st X509_REQ; |
| typedef struct X509_sig_st X509_SIG; |
| typedef struct X509_val_st X509_VAL; |
| 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 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_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_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_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_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_cert_aux_st X509_CERT_AUX; |
| typedef struct x509_cinf_st X509_CINF; |
| typedef struct x509_crl_method_st X509_CRL_METHOD; |
| typedef struct x509_lookup_st X509_LOOKUP; |
| 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<T, CleanupRet, init, cleanup> &) = delete; |
| T& operator=(const StackAllocated<T, CleanupRet, init, cleanup> &) = 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_; |
| }; |
| |
| } // 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 |