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      1 /*	$NetBSD: htonl.c,v 1.3 2012/03/21 20:02:56 he Exp $	*/
      2 
      3 /*
      4  * Written by J.T. Conklin <jtc (at) NetBSD.org>.
      5  * Public domain.
      6  */
      7 
      8 #include <sys/cdefs.h>
      9 #if defined(LIBC_SCCS) && !defined(lint)
     10 __RCSID("$NetBSD: htonl.c,v 1.3 2012/03/21 20:02:56 he Exp $");
     11 #endif
     12 
     13 #include <sys/types.h>
     14 
     15 #undef htonl
     16 
     17 uint32_t
     18 htonl(uint32_t x)
     19 {
     20 #if BYTE_ORDER == LITTLE_ENDIAN
     21 	u_char *s = (void *)&x;
     22 	return (uint32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
     23 #else
     24 	return x;
     25 #endif
     26 }
     27