test/testendian.c
changeset 850 c203b4a42701
child 1405 983df4f9c1c6
equal deleted inserted replaced
849:bab227101de4 850:c203b4a42701
       
     1 
       
     2 /* Test program to check SDL's CPU endian detection and byte swapping routines */
       
     3 
       
     4 #include <stdio.h>
       
     5 
       
     6 #include "SDL.h"
       
     7 #include "SDL_endian.h"
       
     8 
       
     9 int main(int argc, char *argv[])
       
    10 {
       
    11 	Uint16 value16 = 0xCDAB;
       
    12 	Uint32 value32 = 0xEFBEADDE;
       
    13 #if defined(__GNUC__) && defined(SDL_HAS_64BIT_TYPE)
       
    14 	Uint64 value64 = 0xEFBEADDECDAB3412LL;
       
    15 #endif
       
    16 
       
    17 	printf("This is a %s endian machine.\n",
       
    18 		(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
       
    19 	printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, SDL_Swap16(value16));
       
    20 	printf("Value 32 = 0x%X, swapped = 0x%X\n", value32, SDL_Swap32(value32));
       
    21 #if defined(__GNUC__) && defined(SDL_HAS_64BIT_TYPE)
       
    22 	printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64, SDL_Swap64(value64));
       
    23 #endif
       
    24 	return(0);
       
    25 }