diff options
Diffstat (limited to 'bits/byteswap.h')
| -rw-r--r-- | bits/byteswap.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/bits/byteswap.h b/bits/byteswap.h index 9404cc452e..04a5efe9f0 100644 --- a/bits/byteswap.h +++ b/bits/byteswap.h @@ -17,8 +17,9 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifndef _BITS_BYTESWAP_H -#define _BITS_BYTESWAP_H 1 +#if !defined _BYTESWAP_H && !defined _NETINET_IN_H +# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." +#endif /* Swap bytes in 16 bit value. */ #define __bswap_16(x) \ @@ -39,5 +40,3 @@ __r.__l[1] = __bswap_32 (__v.__l[0]); \ __r.__ll; }) #endif - -#endif /* bits/byteswap.h */ |