[mirror_edk2.git] / StdLib / LibC / Main / bswap32.c

/*  $NetBSD: bswap32.c,v 1.1 2005/12/20 19:28:51 christos Exp $    */\r
\r
/*\r
 * Written by Manuel Bouyer <bouyer@NetBSD.org>.\r
 * Public domain.\r
 */\r
\r
//#include <sys/cdefs.h>\r
//#if defined(LIBC_SCCS) && !defined(lint)\r
//__RCSID("$NetBSD: bswap32.c,v 1.1 2005/12/20 19:28:51 christos Exp $");\r
//#endif /* LIBC_SCCS and not lint */\r
\r
//#include <sys/types.h>\r
//#include <machine/bswap.h>\r
\r
#undef bswap32\r
\r
UINT32\r
bswap32(UINT32 x)\r
{\r
  return  ((x << 24) & 0xff000000 ) |\r
    ((x <<  8) & 0x00ff0000 ) |\r
    ((x >>  8) & 0x0000ff00 ) |\r
    ((x >> 24) & 0x000000ff );\r
}\r
Commit	Line	Data
2aa62f2b	1	/* $NetBSD: bswap32.c,v 1.1 2005/12/20 19:28:51 christos Exp $ */\r
	2	\r
	3	/*\r
	4	* Written by Manuel Bouyer <bouyer@NetBSD.org>.\r
	5	* Public domain.\r
	6	*/\r
	7	\r
	8	//#include <sys/cdefs.h>\r
	9	//#if defined(LIBC_SCCS) && !defined(lint)\r
	10	//__RCSID("$NetBSD: bswap32.c,v 1.1 2005/12/20 19:28:51 christos Exp $");\r
	11	//#endif /* LIBC_SCCS and not lint */\r
	12	\r
	13	//#include <sys/types.h>\r
	14	//#include <machine/bswap.h>\r
	15	\r
	16	#undef bswap32\r
	17	\r
	18	UINT32\r
	19	bswap32(UINT32 x)\r
	20	{\r
	21	return ((x << 24) & 0xff000000 ) \|\r
	22	((x << 8) & 0x00ff0000 ) \|\r
	23	((x >> 8) & 0x0000ff00 ) \|\r
	24	((x >> 24) & 0x000000ff );\r
	25	}\r