Elliott Hughes | 08dc9d8 | 2014-09-23 13:55:15 -0700 | [diff] [blame] | 1 | /* $OpenBSD: ntohs.c,v 1.9 2014/07/21 01:51:10 guenther Exp $ */ |
Elliott Hughes | 6a41b0f | 2014-05-13 16:05:51 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Written by J.T. Conklin <jtc@netbsd.org>. |
| 4 | * Public domain. |
| 5 | */ |
| 6 | |
| 7 | #include <sys/types.h> |
Elliott Hughes | 08dc9d8 | 2014-09-23 13:55:15 -0700 | [diff] [blame] | 8 | #include <endian.h> |
Elliott Hughes | 6a41b0f | 2014-05-13 16:05:51 -0700 | [diff] [blame] | 9 | |
| 10 | #undef ntohs |
| 11 | |
| 12 | u_int16_t |
| 13 | ntohs(u_int16_t x) |
| 14 | { |
| 15 | #if BYTE_ORDER == LITTLE_ENDIAN |
| 16 | u_char *s = (u_char *) &x; |
| 17 | return (u_int16_t)(s[0] << 8 | s[1]); |
| 18 | #else |
| 19 | return x; |
| 20 | #endif |
| 21 | } |