//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// It is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#pragma once

#include <stdint.h>

// thanks Chromium - @todo replace this with cmake-generated config file

#if defined(__APPLE__)
#define OS_MAC 1
#elif defined(__linux__) // __APPLE__
#define OS_LINUX 1
#elif defined(_WIN32) // __APPLE__ || __linux__
#define OS_WIN 1
#else // __APPLE__ || __linux__ || _WIN32
#error Please add support for your platform in base/build_config.h
#endif // else for __APPLE__ || __linux__ || _WIN32

// For access to standard POSIXish features, use OS_POSIX instead of a
// more specific macro.
#if defined(OS_MAC) || defined(OS_LINUX)
#define OS_POSIX 1
#endif // OS_MAC || OS_LINUX

// Compiler detection.
#if defined(__clang__)
#define COMPILER_CLANG 1
#elif defined(__GNUC__) // __clang__
#define COMPILER_GCC 1
#elif defined(_MSC_VER) // __clang__ || __GNUC__
#define COMPILER_MSVC 1
#else // _MSC_VER || __clang__ || __GNUC__
#error Please add support for your compiler in base/build_config.h
#endif // else for _MSC_VER || __clang__ || __GNUC__

// Processor architecture detection.
#if defined(_M_X64) || defined(__x86_64__)
#define ARCH_CPU_X86_FAMILY 1
#define ARCH_CPU_X86_64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(_M_IX86) || defined(__i386__)
#define ARCH_CPU_X86_FAMILY 1
#define ARCH_CPU_X86 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__ARMEL__)
#define ARCH_CPU_ARM_FAMILY 1
#define ARCH_CPU_ARMEL 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__aarch64__)
#define ARCH_CPU_ARM_FAMILY 1
#define ARCH_CPU_ARM64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__pnacl__)
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__MIPSEL__)
#if defined(__LP64__)
#define ARCH_CPU_MIPS64_FAMILY 1
#define ARCH_CPU_MIPS64EL 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#else
#define ARCH_CPU_MIPS_FAMILY 1
#define ARCH_CPU_MIPSEL 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#endif
#else
#error Please add support for your architecture in base/build_config.h
#endif

#if defined(COMPILER_GCC) || defined(COMPILER_CLANG)
#define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#else
#define WARN_UNUSED_RESULT
#endif

#if defined(__GNUC__)
#define FORCE_INLINE inline __attribute__((always_inline))
#elif defined(_MSC_VER)
#define FORCE_INLINE __forceinline
#else
#define FORCE_INLINE inline
#endif

#include <climits>
static_assert(CHAR_BIT == 8, "Not supported char size.");