NetBSD/lib/libc/net/htonl.c

28 lines
497 B
C

/* $NetBSD: htonl.c,v 1.10 2001/08/22 07:42:09 itojun Exp $ */
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: htonl.c,v 1.10 2001/08/22 07:42:09 itojun Exp $");
#endif
#include <sys/types.h>
#undef htonl
uint32_t
htonl(x)
uint32_t x;
{
#if BYTE_ORDER == LITTLE_ENDIAN
u_char *s = (u_char *)&x;
return (uint32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
#else
return x;
#endif
}