| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can |
| * be found in the LICENSE file. |
| * |
| */ |
| |
| #pragma once |
| |
| // |
| // |
| // |
| |
| #include <stdint.h> |
| |
| // |
| // |
| // |
| |
| #define ARRAY_LENGTH_MACRO(x) (sizeof(x)/sizeof(x[0])) |
| #define OFFSET_OF_MACRO(t,m) ((size_t)&(((t*)0)->m)) |
| #define MEMBER_SIZE_MACRO(t,m) sizeof(((t*)0)->m) |
| |
| |
| // |
| // |
| // |
| |
| #define MAX_MACRO(a,b) (((a) > (b)) ? (a) : (b)) |
| #define MIN_MACRO(a,b) (((a) < (b)) ? (a) : (b)) |
| #define GTE_MACRO(a,b) ((a) >= (b)) |
| #define LT_MACRO(a,b) ((a) < (b)) |
| |
| // |
| // |
| // |
| |
| #if defined( _MSC_VER ) |
| #define ALLOCA_MACRO(n) _alloca(n) |
| #else |
| #include <alloca.h> |
| #define ALLOCA_MACRO(n) alloca(n) |
| #endif |
| |
| // |
| // |
| // |
| |
| #define BITS_TO_MASK(n) (((uint32_t)1<<(n))-1) |
| #define BITS_TO_MASK_64(n) (((uint64_t)1<<(n))-1) |
| |
| #define BITS_TO_MASK_AT(n,b) (BITS_TO_MASK(n)<<(b)) |
| #define BITS_TO_MASK_AT_64(n,b) (BITS_TO_MASK_64(n)<<(b)) |
| |
| // |
| // |
| // |
| |
| #define STRINGIFY_MACRO_2(a) #a |
| #define STRINGIFY_MACRO(a) STRINGIFY_MACRO_2(a) |
| |
| // |
| // |
| // |
| |
| #define CONCAT_MACRO_2(a,b) a ## b |
| #define CONCAT_MACRO(a,b) CONCAT_MACRO_2(a,b) |
| |
| // |
| // Convert byte pointer to a network order 32-bit integer to host |
| // order. |
| // |
| |
| #define NPBTOHL_MACRO(pb4) ((((pb4)[0])<<24) | (((pb4)[1])<<16) | \ |
| (((pb4)[2])<< 8) | (pb4)[3]) |
| |
| // |
| // |
| // |
| |
| #if defined( _MSC_VER ) |
| |
| #if REG_DWORD == REG_DWORD_LITTLE_ENDIAN |
| #define NTOHL_MACRO(x) _byteswap_ulong(x) |
| #else |
| #define NTOHL_MACRO(x) x |
| #endif |
| |
| #elif defined( __GNUC__ ) |
| |
| #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| #define NTOHL_MACRO(x) __builtin_bswap32(x) |
| #else |
| #define NTOHL_MACRO(x) x |
| #endif |
| |
| #else |
| // |
| // FIXME -- CLANG, etc. |
| // |
| #endif |
| |
| // |
| // |
| // |
| |
| #if defined( _MSC_VER ) |
| |
| #define STATIC_ASSERT_MACRO(...) static_assert(__VA_ARGS__) |
| |
| #elif defined( __GNUC__ ) |
| |
| #define STATIC_ASSERT_MACRO(...) _Static_assert(__VA_ARGS__) |
| |
| #else |
| // |
| // FIXME -- CLANG, etc. |
| // |
| #endif |
| |
| // |
| // |
| // |
| |
| #if defined( _MSC_VER ) |
| |
| #define POPCOUNT_MACRO(...) __popcnt(__VA_ARGS__) |
| |
| #elif defined( __GNUC__ ) |
| |
| #define POPCOUNT_MACRO(...) __builtin_popcount(__VA_ARGS__) |
| |
| #else |
| // |
| // FIXME -- CLANG, etc. |
| // |
| #endif |
| |
| // |
| // |
| // |
