172 lines
5.6 KiB
C
172 lines
5.6 KiB
C
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/*
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* libjingle
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* Copyright 2004 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_BASE_BASICTYPES_H_
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#define TALK_BASE_BASICTYPES_H_
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#include <stddef.h> // for NULL, size_t
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#if !(defined(_MSC_VER) && (_MSC_VER < 1600))
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#include <stdint.h> // for uintptr_t
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h" // NOLINT
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#endif
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#include "talk/base/constructormagic.h"
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#if !defined(INT_TYPES_DEFINED)
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#define INT_TYPES_DEFINED
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#ifdef COMPILER_MSVC
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typedef unsigned __int64 uint64;
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typedef __int64 int64;
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#ifndef INT64_C
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#define INT64_C(x) x ## I64
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#endif
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#ifndef UINT64_C
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#define UINT64_C(x) x ## UI64
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#endif
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#define INT64_F "I64"
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#else // COMPILER_MSVC
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// On Mac OS X, cssmconfig.h defines uint64 as uint64_t
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// TODO(fbarchard): Use long long for compatibility with chromium on BSD/OSX.
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#if defined(OSX)
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typedef uint64_t uint64;
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typedef int64_t int64;
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#ifndef INT64_C
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#define INT64_C(x) x ## LL
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#endif
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#ifndef UINT64_C
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#define UINT64_C(x) x ## ULL
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#endif
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#define INT64_F "l"
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#elif defined(__LP64__)
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typedef unsigned long uint64; // NOLINT
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typedef long int64; // NOLINT
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#ifndef INT64_C
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#define INT64_C(x) x ## L
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#endif
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#ifndef UINT64_C
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#define UINT64_C(x) x ## UL
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#endif
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#define INT64_F "l"
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#else // __LP64__
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typedef unsigned long long uint64; // NOLINT
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typedef long long int64; // NOLINT
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#ifndef INT64_C
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#define INT64_C(x) x ## LL
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#endif
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#ifndef UINT64_C
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#define UINT64_C(x) x ## ULL
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#endif
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#define INT64_F "ll"
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#endif // __LP64__
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#endif // COMPILER_MSVC
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typedef unsigned int uint32;
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typedef int int32;
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typedef unsigned short uint16; // NOLINT
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typedef short int16; // NOLINT
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typedef unsigned char uint8;
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typedef signed char int8;
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#endif // INT_TYPES_DEFINED
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// Detect compiler is for x86 or x64.
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#if defined(__x86_64__) || defined(_M_X64) || \
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defined(__i386__) || defined(_M_IX86)
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#define CPU_X86 1
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#endif
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// Detect compiler is for arm.
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#if defined(__arm__) || defined(_M_ARM)
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#define CPU_ARM 1
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#endif
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#if defined(CPU_X86) && defined(CPU_ARM)
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#error CPU_X86 and CPU_ARM both defined.
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#endif
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#if !defined(ARCH_CPU_BIG_ENDIAN) && !defined(ARCH_CPU_LITTLE_ENDIAN)
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// x86, arm or GCC provided __BYTE_ORDER__ macros
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#if CPU_X86 || CPU_ARM || \
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(defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
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#define ARCH_CPU_LITTLE_ENDIAN
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#elif defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#define ARCH_CPU_BIG_ENDIAN
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#else
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#error ARCH_CPU_BIG_ENDIAN or ARCH_CPU_LITTLE_ENDIAN should be defined.
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#endif
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#endif
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#if defined(ARCH_CPU_BIG_ENDIAN) && defined(ARCH_CPU_LITTLE_ENDIAN)
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#error ARCH_CPU_BIG_ENDIAN and ARCH_CPU_LITTLE_ENDIAN both defined.
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#endif
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#ifdef WIN32
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typedef int socklen_t;
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#endif
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// The following only works for C++
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#ifdef __cplusplus
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namespace talk_base {
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template<class T> inline T _min(T a, T b) { return (a > b) ? b : a; }
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template<class T> inline T _max(T a, T b) { return (a < b) ? b : a; }
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// For wait functions that take a number of milliseconds, kForever indicates
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// unlimited time.
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const int kForever = -1;
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}
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#define ALIGNP(p, t) \
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(reinterpret_cast<uint8*>(((reinterpret_cast<uintptr_t>(p) + \
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((t) - 1)) & ~((t) - 1))))
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#define IS_ALIGNED(p, a) (!((uintptr_t)(p) & ((a) - 1)))
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// Note: UNUSED is also defined in common.h
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#ifndef UNUSED
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#define UNUSED(x) Unused(static_cast<const void*>(&x))
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#define UNUSED2(x, y) Unused(static_cast<const void*>(&x)); \
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Unused(static_cast<const void*>(&y))
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#define UNUSED3(x, y, z) Unused(static_cast<const void*>(&x)); \
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Unused(static_cast<const void*>(&y)); \
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Unused(static_cast<const void*>(&z))
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#define UNUSED4(x, y, z, a) Unused(static_cast<const void*>(&x)); \
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Unused(static_cast<const void*>(&y)); \
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Unused(static_cast<const void*>(&z)); \
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Unused(static_cast<const void*>(&a))
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#define UNUSED5(x, y, z, a, b) Unused(static_cast<const void*>(&x)); \
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Unused(static_cast<const void*>(&y)); \
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Unused(static_cast<const void*>(&z)); \
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Unused(static_cast<const void*>(&a)); \
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Unused(static_cast<const void*>(&b))
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inline void Unused(const void*) {}
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#endif // UNUSED
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// Use these to declare and define a static local variable (static T;) so that
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// it is leaked so that its destructors are not called at exit.
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#define LIBJINGLE_DEFINE_STATIC_LOCAL(type, name, arguments) \
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static type& name = *new type arguments
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#endif // __cplusplus
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#endif // TALK_BASE_BASICTYPES_H_
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