talk/base/basictypes.h

/*
 * libjingle
 * Copyright 2004--2005, Google Inc.
 *
 * 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. The name of the author may not be used to endorse or promote products 
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
 */

#ifndef TALK_BASE_BASICTYPES_H__
#define TALK_BASE_BASICTYPES_H__

#ifdef COMPILER_MSVC
typedef __int64 int64;
#else
typedef long long int64;
#endif /* COMPILER_MSVC */
typedef long int32;
typedef short int16;
typedef char int8;

#ifdef COMPILER_MSVC
typedef unsigned __int64 uint64;
typedef __int64 int64;
#else
typedef unsigned long long uint64;
typedef long long int64;
#endif /* COMPILER_MSVC */
typedef unsigned long uint32;
typedef unsigned short uint16;
typedef unsigned char uint8;

#ifdef WIN32
typedef int socklen_t;
#endif

namespace talk_base {
  template<class T> inline T _min(T a, T b) { return (a > b) ? b : a; }
  template<class T> inline T _max(T a, T b) { return (a < b) ? b : a; }
}

// A macro to disallow the evil copy constructor and operator= functions
// This should be used in the private: declarations for a class
#define DISALLOW_EVIL_CONSTRUCTORS(TypeName)    \
  TypeName(const TypeName&);                    \
  void operator=(const TypeName&)

// A macro to disallow all the implicit constructors, namely the
// default constructor, copy constructor and operator= functions.
//
// This should be used in the private: declarations for a class
// that wants to prevent anyone from instantiating it. This is
// especially useful for classes containing only static methods.
#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
  TypeName();                                    \
  DISALLOW_EVIL_CONSTRUCTORS(TypeName)

#ifndef UNUSED
#define UNUSED(x) Unused(static_cast<const void *>(&x))
#define UNUSED2(x,y) Unused(static_cast<const void *>(&x)); Unused(static_cast<const void *>(&y))
#define UNUSED3(x,y,z) Unused(static_cast<const void *>(&x)); Unused(static_cast<const void *>(&y)); Unused(static_cast<const void *>(&z))
#define UNUSED4(x,y,z,a) Unused(static_cast<const void *>(&x)); Unused(static_cast<const void *>(&y)); Unused(static_cast<const void *>(&z)); Unused(static_cast<const void *>(&a))
#define UNUSED5(x,y,z,a,b) Unused(static_cast<const void *>(&x)); Unused(static_cast<const void *>(&y)); Unused(static_cast<const void *>(&z)); Unused(static_cast<const void *>(&a)); Unused(static_cast<const void *>(&b))
inline void Unused(const void *) { }
#endif // UNUSED

#endif // TALK_BASE_BASICTYPES_H__