src/common/dirac.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2 *
   3 * $Id: dirac.h 67 2008-03-04 13:16:25Z andrea $
   4 *
   5 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   6 *
   7 * The contents of this file are subject to the Mozilla Public License
   8 * Version 1.1 (the "License"); you may not use this file except in compliance
   9 * with the License. You may obtain a copy of the License at
  10 * http://www.mozilla.org/MPL/
  11 *
  12 * Software distributed under the License is distributed on an "AS IS" basis,
  13 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
  14 * the specific language governing rights and limitations under the License.
  15 *
  16 * The Original Code is BBC Research code.
  17 *
  18 * The Initial Developer of the Original Code is the British Broadcasting
  19 * Corporation.
  20 * Portions created by the Initial Developer are Copyright (C) 2007.
  21 * All Rights Reserved.
  22 *
  23 * Contributor(s): Andrea Gabriellini (Original Author)
  24 *
  25 * Alternatively, the contents of this file may be used under the terms of
  26 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
  27 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
  28 * the GPL or the LGPL are applicable instead of those above. If you wish to
  29 * allow use of your version of this file only under the terms of the either
  30 * the GPL or LGPL and not to allow others to use your version of this file
  31 * under the MPL, indicate your decision by deleting the provisions above
  32 * and replace them with the notice and other provisions required by the GPL
  33 * or LGPL. If you do not delete the provisions above, a recipient may use
  34 * your version of this file under the terms of any one of the MPL, the GPL
  35 * or the LGPL.
  36 * ***** END LICENSE BLOCK ***** */
  37
  38 #ifndef _DIRAC_H_
  39 # define _DIRAC_H_
  40
  41 /*  Common facilities */
  42
  43 #include <config.h>
  44
  45 #ifdef HAVE_STDINT_H
  46
  47 #include <stdint.h>
  48
  49 typedef int8_t                  int8;
  50 typedef uint8_t                 uint8;
  51
  52 typedef int16_t                 int16;
  53 typedef uint16_t                uint16;
  54
  55 typedef int32_t                 int32;
  56 typedef uint32_t                uint32;
  57
  58 typedef int64_t                 int64;
  59 typedef uint64_t                uint64;
  60
  61 #else
  62
  63 typedef signed char             int8;
  64 typedef unsigned char           uint8;
  65
  66 typedef signed short int        int16;
  67 typedef unsigned short int      uint16;
  68
  69 typedef signed int              int32;
  70 typedef unsigned int            uint32;
  71
  72   #ifdef __GNUC__
  73   typedef signed long long      int64;
  74   typedef unsigned long long    uint64;
  75   #else
  76     #error "don't know how to represent 64 bit words"
  77   #endif
  78
  79 #endif
  80
  81
  82 /*  define assert and static asserts for the entire Dirac codebase */
  83 #ifdef __cplusplus
  84 # include <cassert>
  85 #else /* C ? */
  86 # include <assert.h>
  87 #endif // ifdef __cplusplus
  88 #define DIRAC_ASSERT(ex)              assert(ex)
  89 #define DIRAC_MESSAGE_ASSERT(msg, ex) DIRAC_ASSERT((msg && ex))
  90 #define DIRAC_STATIC_ASSERT(ex)       do { typedef int ai[(ex) ? 1 : -1]; } while(0)
  91
  92 /*  we want to apply this macro to arrays only, not classes with operator[]  */
  93 #define DIRAC_ARRAY_SIZE(ar)          ( sizeof ( ar ) / sizeof ( 0[ar] ) )
  94
  95 #endif /* _DIRAC_H_ */