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annotate test/testendian.c @ 894:1d1a823904d8

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Don't crash if the stretch routines are used on hardware surfaces
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 May 2004 21:08:55 +0000
parents c203b4a42701
children 983df4f9c1c6
rev   line source
850
c203b4a42701 Added an endian detection and byte swapping test program
Sam Lantinga <slouken@libsdl.org>
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1
c203b4a42701 Added an endian detection and byte swapping test program
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2 /* Test program to check SDL's CPU endian detection and byte swapping routines */
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3
c203b4a42701 Added an endian detection and byte swapping test program
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4 #include <stdio.h>
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c203b4a42701 Added an endian detection and byte swapping test program
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6 #include "SDL.h"
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7 #include "SDL_endian.h"
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9 int main(int argc, char *argv[])
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10 {
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11 Uint16 value16 = 0xCDAB;
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12 Uint32 value32 = 0xEFBEADDE;
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13 #if defined(__GNUC__) && defined(SDL_HAS_64BIT_TYPE)
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14 Uint64 value64 = 0xEFBEADDECDAB3412LL;
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15 #endif
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17 printf("This is a %s endian machine.\n",
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18 (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
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19 printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, SDL_Swap16(value16));
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20 printf("Value 32 = 0x%X, swapped = 0x%X\n", value32, SDL_Swap32(value32));
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21 #if defined(__GNUC__) && defined(SDL_HAS_64BIT_TYPE)
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22 printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64, SDL_Swap64(value64));
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23 #endif
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24 return(0);
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25 }