/* ====================================================================
 * 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>

#include <openssl/opensslconf.h>

#if defined(BORINGSSL_PREFIX)
#include <boringssl_prefix_symbols.h>
#endif

#if defined(__cplusplus)
#include <memory>

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(__aarch64__)
#define OPENSSL_64_BIT
#define OPENSSL_AARCH64
#elif defined(__arm) || defined(__arm__) || defined(_M_ARM)
#define OPENSSL_32_BIT
#define OPENSSL_ARM
#elif defined(__PPC64__) || defined(__powerpc64__)
#define OPENSSL_64_BIT
#elif defined(__mips__) && !defined(__LP64__)
#define OPENSSL_32_BIT
#define OPENSSL_MIPS
#elif defined(__mips__) && defined(__LP64__)
#define OPENSSL_64_BIT
#define OPENSSL_MIPS64
#elif defined(__pnacl__)
#define OPENSSL_32_BIT
#define OPENSSL_PNACL
#else
#error "Unknown target CPU"
#endif

#if defined(__APPLE__)
#define OPENSSL_APPLE
#endif

#if defined(_WIN32)
#define OPENSSL_WINDOWS
#endif

#if defined(TRUSTY)
#define OPENSSL_TRUSTY
#define OPENSSL_NO_THREADS
#endif

#define OPENSSL_IS_BORINGSSL
#define BORINGSSL_201512
#define BORINGSSL_201603
#define OPENSSL_VERSION_NUMBER 0x10002000
#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 1

#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__)
#define OPENSSL_PRINTF_FORMAT_FUNC(string_index, first_to_check) \
        __attribute__((__format__(__printf__, string_index, first_to_check)))
#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


/* 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 AUTHORITY_KEYID_st AUTHORITY_KEYID;
typedef struct DIST_POINT_st DIST_POINT;
typedef struct ISSUING_DIST_POINT_st ISSUING_DIST_POINT;
typedef struct NAME_CONSTRAINTS_st NAME_CONSTRAINTS;
typedef struct Netscape_certificate_sequence NETSCAPE_CERT_SEQUENCE;
typedef struct Netscape_spkac_st NETSCAPE_SPKAC;
typedef struct Netscape_spki_st NETSCAPE_SPKI;
typedef struct PBE2PARAM_st PBE2PARAM;
typedef struct PBEPARAM_st PBEPARAM;
typedef struct PBKDF2PARAM_st PBKDF2PARAM;
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_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_objects_st X509_OBJECTS;
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 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 dh_st DH;
typedef struct dsa_st DSA;
typedef struct ec_key_st EC_KEY;
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 newhope_poly_st NEWHOPE_POLY;
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_custom_extension SSL_CUSTOM_EXTENSION;
typedef struct ssl_method_st SSL_METHOD;
typedef struct ssl_session_st SSL_SESSION;
typedef struct ssl_st SSL;
typedef struct st_ERR_FNS ERR_FNS;
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_cert_pair_st X509_CERT_PAIR;
typedef struct x509_cinf_st X509_CINF;
typedef struct x509_crl_method_st X509_CRL_METHOD;
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 */


#if __cplusplus >= 201103

namespace bssl {

template<typename T, void (*func)(T*)>
struct Deleter {
  void operator()(T *obj) {
    func(obj);
  }
};

template<typename T, void (*func)(T*)>
using ScopedType = std::unique_ptr<T, Deleter<T, func>>;

template<typename T, typename CleanupRet, void (*init_func)(T*),
         CleanupRet (*cleanup_func)(T*)>
class ScopedContext {
 public:
  ScopedContext() {
    init_func(&ctx_);
  }
  ~ScopedContext() {
    cleanup_func(&ctx_);
  }

  T *get() { return &ctx_; }
  const T *get() const { return &ctx_; }

  void Reset() {
    cleanup_func(&ctx_);
    init_func(&ctx_);
  }

 private:
  T ctx_;
};

}  // namespace bssl

#endif

#endif

#endif  /* OPENSSL_HEADER_BASE_H */