test/testendian.c
changeset 850 c203b4a42701
child 1405 983df4f9c1c6
--- /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);
+}