view test/testendian.c @ 941:5095c4a264aa

Date: Mon, 12 Jul 2004 14:17:47 -0500 From: Richard Smith Subject: Re: [SDL] Disableing color depth and mode searching > Also, I should add that a quick way to get the desired effect is to > #define BROKEN_MODES on top of the SDL_fbvideo.c file. > Ah yes, I see that looks like that will do what I need. Curious as to why this is a #define and not an enviroment variable like the other settings. I would think that finding cards (or chips) with broken modes would be the norm rather than the execption.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Aug 2004 11:34:24 +0000
parents c203b4a42701
children 983df4f9c1c6
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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

	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);
}