test/testtypes.c
author Ryan C. Gordon <icculus@icculus.org>
Fri, 13 Jan 2006 02:32:07 +0000
changeset 1246 ca51a76a7328
parent 1154 d93862a3d821
child 1387 835c1831f903
permissions -rw-r--r--
Make error message meaningful if dlopen() fails on libX11.
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "SDL_main.h"
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#include "SDL_types.h"
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/*
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 * Watcom C flags these as Warning 201: "Unreachable code" if you just
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 *  compare them directly, so we push it through a function to keep the
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 *  compiler quiet.  --ryan.
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 */
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static int badsize(size_t sizeoftype, size_t hardcodetype)
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{
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    return sizeoftype != hardcodetype;
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}
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int main(int argc, char *argv[])
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{
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	int error = 0;
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	int verbose = 1;
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	if ( argv[1] && (strcmp(argv[1], "-q") == 0) )
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		verbose = 0;
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	if ( badsize(sizeof(Uint8), 1) ) {
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		if ( verbose )
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			printf("sizeof(Uint8) != 1, instead = %d\n",
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								sizeof(Uint8));
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		++error;
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	}
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	if ( badsize(sizeof(Uint16), 2) ) {
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		if ( verbose )
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			printf("sizeof(Uint16) != 2, instead = %d\n",
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								sizeof(Uint16));
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		++error;
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	}
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	if ( badsize(sizeof(Uint32), 4) ) {
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		if ( verbose )
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			printf("sizeof(Uint32) != 4, instead = %d\n",
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								sizeof(Uint32));
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		++error;
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	}
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#ifdef SDL_HAS_64BIT_TYPE
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	if ( badsize(sizeof(Uint64), 8) ) {
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		if ( verbose )
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			printf("sizeof(Uint64) != 8, instead = %d\n",
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								sizeof(Uint64));
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		++error;
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	}
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#else
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	if ( verbose ) {
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		printf("WARNING: No 64-bit datatype on this platform\n");
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	}
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#endif
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	if ( verbose && ! error )
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		printf("All data types are the expected size.\n");
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	return( error ? 1 : 0 );
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}