mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-29 08:11:08 +00:00
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#include <resolv/arpa/nameser.h>
|
|
|
|
/* If the machine allows unaligned access we can do better than using
|
|
the NS_GET16, NS_GET32, NS_PUT16, and NS_PUT32 macros from the
|
|
installed header. */
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <netinet/in.h>
|
|
|
|
extern struct _ns_flagdata _ns_flagdata[] attribute_hidden;
|
|
|
|
#if _STRING_ARCH_unaligned
|
|
|
|
# undef NS_GET16
|
|
# define NS_GET16(s, cp) \
|
|
do { \
|
|
uint16_t *t_cp = (uint16_t *) (cp); \
|
|
(s) = ntohs (*t_cp); \
|
|
(cp) += NS_INT16SZ; \
|
|
} while (0)
|
|
|
|
# undef NS_GET32
|
|
# define NS_GET32(l, cp) \
|
|
do { \
|
|
uint32_t *t_cp = (uint32_t *) (cp); \
|
|
(l) = ntohl (*t_cp); \
|
|
(cp) += NS_INT32SZ; \
|
|
} while (0)
|
|
|
|
# undef NS_PUT16
|
|
# define NS_PUT16(s, cp) \
|
|
do { \
|
|
uint16_t *t_cp = (uint16_t *) (cp); \
|
|
*t_cp = htons (s); \
|
|
(cp) += NS_INT16SZ; \
|
|
} while (0)
|
|
|
|
# undef NS_PUT32
|
|
# define NS_PUT32(l, cp) \
|
|
do { \
|
|
uint32_t *t_cp = (uint32_t *) (cp); \
|
|
*t_cp = htonl (l); \
|
|
(cp) += NS_INT32SZ; \
|
|
} while (0)
|
|
|
|
#endif
|