src/common.cpp

   1
   2 /*
   3  *
   4  * Riven-Wahrk - a reimplementation of the game Riven, by Cyan
   5  * Copyright (C) 2009-2010 Tyler Genter <tylergenter@gmail.com>
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22
  23 #include <stdint.h>
  24 #include <stdio.h>
  25
  26 #include "common.h"
  27
  28 namespace riven {
  29
  30 uint32_t big_to_native (uint32_t i) {
  31
  32         unsigned char c1, c2, c3, c4;
  33         c1 = i & 255;
  34         c2 = (i >> 8) & 255;
  35         c3 = (i >> 16) & 255;
  36         c4 = (i >> 24) & 255;
  37         return ((uint32_t)c1 << 24) + ((uint32_t)c2 << 16) + ((uint32_t)c3 << 8) + c4;
  38 }
  39
  40
  41 uint16_t big_to_native (uint16_t in) {
  42
  43         unsigned char c1, c2;
  44         c1 = in & 255;
  45         c2 = (in >> 8) & 255;
  46         return (c1 << 8) + c2;
  47
  48 }
  49
  50
  51 }
  52
  53
  54