Mercurial > sdl-ios-xcode
diff test/testendian.c @ 850:c203b4a42701
Added an endian detection and byte swapping test program
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 23 Feb 2004 08:03:14 +0000 |
parents | |
children | 983df4f9c1c6 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/testendian.c Mon Feb 23 08:03:14 2004 +0000 @@ -0,0 +1,25 @@ + +/* Test program to check SDL's CPU endian detection and byte swapping routines */ + +#include <stdio.h> + +#include "SDL.h" +#include "SDL_endian.h" + +int main(int argc, char *argv[]) +{ + Uint16 value16 = 0xCDAB; + Uint32 value32 = 0xEFBEADDE; +#if defined(__GNUC__) && defined(SDL_HAS_64BIT_TYPE) + Uint64 value64 = 0xEFBEADDECDAB3412LL; +#endif + + printf("This is a %s endian machine.\n", + (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big"); + printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, SDL_Swap16(value16)); + printf("Value 32 = 0x%X, swapped = 0x%X\n", value32, SDL_Swap32(value32)); +#if defined(__GNUC__) && defined(SDL_HAS_64BIT_TYPE) + printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64, SDL_Swap64(value64)); +#endif + return(0); +}