libbase/utility.h

   1 // utility.h -- Various little utility functions, macros & typedefs.
   2 //
   3 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
   4 //   Free Software Foundation, Inc
   5 //
   6 // This program is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software
  18 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19
  20 #ifndef GNASH_UTILITY_H
  21 #define GNASH_UTILITY_H
  22
  23 // HAVE_FINITE, HAVE_PTHREADS, WIN32, NDEBUG etc.
  24 #ifdef HAVE_CONFIG_H
  25 #include "gnashconfig.h"
  26 #endif
  27
  28 #include <cstdlib>
  29 #include <cassert>
  30 #include <cstring>
  31 #include <string>
  32 #include <typeinfo>
  33
  34 #if defined(__GNUC__) && __GNUC__ > 2
  35 #  include <cxxabi.h>
  36 #endif
  37
  38 #if defined(_WIN32) || defined(WIN32)
  39 #ifndef NDEBUG
  40
  41 // On windows, replace ANSI assert with our own, for a less annoying
  42 // debugging experience.
  43 #ifndef __MINGW32__
  44 #undef assert
  45 #define assert(x)       if (!(x)) { __asm { int 3 } }
  46 #endif
  47 #endif // not NDEBUG
  48 #endif // _WIN32
  49
  50 #ifdef __amigaos4__
  51 #include <stdio.h> //for FILE * in tu_file.h
  52 #include <fcntl.h> //for fcntl in Socket.cpp
  53 #include <netdb.h> //for hostent in Socket.cpp
  54 #include <netinet/tcp.h> //for TCP_NODELAY in Socket.cpp
  55 #undef UNUSED //to avoid "already defined" messages
  56 #define SHUT_RDWR 0
  57
  58 namespace std
  59 {
  60         typedef std::basic_string<wchar_t> wstring;
  61 };
  62 #endif
  63
  64 #if defined(__HAIKU__)
  65 namespace std {
  66         class wstring : public std::basic_string<char>
  67         {
  68         public:
  69                 wstring(const char *t)
  70                         : std::basic_string<char>(t)
  71                 {
  72                 }
  73                 wstring()
  74                 {
  75                 }
  76                 wstring(const wstring &that)
  77                         : std::basic_string<char>(that.c_str())
  78                 {
  79                 }
  80                 wstring(const std::basic_string<char> &that)
  81                         : std::basic_string<char>(that)
  82                 {
  83                 }
  84         };
  85 };
  86 #endif
  87
  88 namespace gnash {
  89
  90 /// Return (unmangled) name of this instance type. Used for
  91 /// logging in various places.
  92 template <class T>
  93 std::string typeName(const T& inst)
  94 {
  95         std::string typeName = typeid(inst).name();
  96 #if defined(__GNUC__) && __GNUC__ > 2
  97         int status;
  98         char* typeNameUnmangled =
  99                 abi::__cxa_demangle (typeName.c_str(), nullptr, nullptr,
 100                                      &status);
 101         if (status == 0)
 102         {
 103                 typeName = typeNameUnmangled;
 104                 std::free(typeNameUnmangled);
 105         }
 106 #endif // __GNUC__ > 2
 107         return typeName;
 108 }
 109
 110 } // namespace gnash
 111
 112 // Handy macro to quiet compiler warnings about unused parameters/variables.
 113 #define UNUSED(x) static_cast<void>((x))
 114
 115 #endif
 116
 117
 118 // Local Variables:
 119 // mode: C++
 120 // c-basic-offset: 8
 121 // tab-width: 8
 122 // indent-tabs-mode: t
 123 // End: