mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-15 10:17:20 +00:00
38 lines
674 B
C
38 lines
674 B
C
/*
|
|
* Written by Manuel Bouyer <bouyer@netbsd.org>.
|
|
* Public domain.
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char *rcsid = "$NetBSD: bswap32.c,v 1.1 1997/10/09 15:42:33 bouyer Exp $";
|
|
static char *rcsid = "$NetBSD: bswap64.c,v 1.1 1997/10/09 15:42:33 bouyer Exp $";
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#undef bswap32
|
|
#undef bswap64
|
|
|
|
u_int32_t
|
|
bswap32(x)
|
|
u_int32_t x;
|
|
{
|
|
return ((x << 24) & 0xff000000 ) |
|
|
((x << 8) & 0x00ff0000 ) |
|
|
((x >> 8) & 0x0000ff00 ) |
|
|
((x >> 24) & 0x000000ff );
|
|
}
|
|
|
|
u_int64_t
|
|
bswap64(x)
|
|
u_int64_t x;
|
|
{
|
|
u_int32_t *p = (u_int32_t*)&x;
|
|
u_int32_t t;
|
|
t = bswap32(p[0]);
|
|
p[0] = bswap32(p[1]);
|
|
p[1] = t;
|
|
return x;
|
|
}
|
|
|