endian.h 1.4 KB

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  1. /*
  2. ** Command & Conquer Generals Zero Hour(tm)
  3. ** Copyright 2025 Electronic Arts Inc.
  4. **
  5. ** This program is free software: you can redistribute it and/or modify
  6. ** it under the terms of the GNU General Public License as published by
  7. ** the Free Software Foundation, either version 3 of the License, or
  8. ** (at your option) any later version.
  9. **
  10. ** This program is distributed in the hope that it will be useful,
  11. ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. ** GNU General Public License for more details.
  14. **
  15. ** You should have received a copy of the GNU General Public License
  16. ** along with this program. If not, see <http://www.gnu.org/licenses/>.
  17. */
  18. #ifndef __ENDIAN_H__
  19. #define __ENDIAN_H__
  20. /*
  21. ** Network order is big-endian.
  22. **
  23. ** Packet router and mangler order is big or little endian depending on server platform.
  24. **
  25. ** Game client order is little endian.
  26. */
  27. extern bool BigEndian;
  28. template<class T> inline T Endian(T val)
  29. {
  30. if (!BigEndian) {
  31. return(val);
  32. }
  33. /*
  34. char temp[sizeof(T)];
  35. *((T*)(&temp[0])) = val;
  36. */
  37. T retval = 0;
  38. /*
  39. for (int i=0 ; i<sizeof(T) ; i++) {
  40. retval <<= 8;
  41. retval |= temp[i];
  42. }
  43. */
  44. int len = sizeof(T);
  45. unsigned char *c = (unsigned char *)(&val);
  46. for (int i=0; i<len; i++)
  47. {
  48. retval |= ( (*c++) << (8*i) );
  49. }
  50. return (retval);
  51. }
  52. #endif //__ENDIAN_H__