NetBSD/lib/libc/net/ntohl.c
cgd 0351ca5efa Add some casts so that we're not bitten by type promotions on 64-bit
systems.  Not a great concern since the only 64-bit system currently
supported by NetBSD (Alpha) uses assembly versions of these routines.
1996-05-29 23:23:27 +00:00

30 lines
535 B
C

/* $NetBSD: ntohl.c,v 1.6 1996/05/29 23:23:42 cgd Exp $ */
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid = "$NetBSD: ntohl.c,v 1.6 1996/05/29 23:23:42 cgd Exp $";
#endif
#include <sys/types.h>
#include <machine/endian.h>
#undef ntohl
unsigned long
ntohl(x)
unsigned long x;
{
u_int32_t y = x;
#if BYTE_ORDER == LITTLE_ENDIAN
u_char *s = (u_char *)&y;
return (u_int32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
#else
return y;
#endif
}