testendian.c
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/* 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
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printf("This system is running %s\n",
#if __AIX__
"AIX"
#elif __AMIGA__
"AmigaOS"
#elif __BEOS__
"BeOS"
#elif __BSDI__
"BSDI"
#elif __DREAMCAST__
"Dreamcast"
#elif __FREEBSD__
"FreeBSD"
#elif __HPUX__
"HP-UX"
#elif __IRIX__
"Irix"
#elif __LINUX__
"Linux"
#elif __MACOS__
"MacOS Classic"
#elif __MACOSX__
"MacOS X"
#elif __NETBSD__
"NetBSD"
#elif __OPENBSD__
"OpenBSD"
#elif __OS2__
"OS/2"
#elif __OSF__
"OSF/1"
#elif __QNXNTO__
"QNX Neutrino"
#elif __RISCOS__
"RISC OS"
#elif __SOLARIS__
"Solaris"
#elif __WIN32__
#ifdef _WIN32_WCE
"Windows CE"
#else
"Windows"
#endif
#else
"an unknown operating system!"
#endif
);
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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);
}