glibc/include/arpa/nameser.h
Florian Weimer 7ed1ac6da3 resolv: Move ns_name_pack into its own file and into libc
And reformat to GNU style, and eliminate the labellen function.

The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-07-19 07:56:21 +02:00

91 lines
2.7 KiB
C

#ifndef _ARPA_NAMESER_H_
#include <resolv/arpa/nameser.h>
# ifndef _ISOMAC
/* 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 const struct _ns_flagdata _ns_flagdata[] attribute_hidden;
#if _STRING_ARCH_unaligned
# undef NS_GET16
# define NS_GET16(s, cp) \
do { \
const uint16_t *t_cp = (const uint16_t *) (cp); \
(s) = ntohs (*t_cp); \
(cp) += NS_INT16SZ; \
} while (0)
# undef NS_GET32
# define NS_GET32(l, cp) \
do { \
const uint32_t *t_cp = (const 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
extern unsigned int __ns_get16 (const unsigned char *) __THROW;
extern unsigned long __ns_get32 (const unsigned char *) __THROW;
int __ns_name_ntop (const unsigned char *, char *, size_t) __THROW;
int __ns_name_unpack (const unsigned char *, const unsigned char *,
const unsigned char *, unsigned char *, size_t) __THROW;
#define ns_msg_getflag(handle, flag) \
(((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift)
libresolv_hidden_proto (ns_get16)
libresolv_hidden_proto (ns_get32)
libresolv_hidden_proto (ns_put16)
libresolv_hidden_proto (ns_put32)
libresolv_hidden_proto (ns_initparse)
libresolv_hidden_proto (ns_skiprr)
libresolv_hidden_proto (ns_parserr)
libresolv_hidden_proto (ns_name_compress)
libresolv_hidden_proto (ns_sprintrr)
libresolv_hidden_proto (ns_sprintrrf)
libresolv_hidden_proto (ns_samedomain)
libresolv_hidden_proto (ns_samename)
libresolv_hidden_proto (ns_makecanon)
libresolv_hidden_proto (ns_format_ttl)
extern __typeof (ns_name_ntop) __ns_name_ntop;
libc_hidden_proto (__ns_name_ntop)
extern __typeof (ns_name_pack) __ns_name_pack;
libc_hidden_proto (__ns_name_pack)
extern __typeof (ns_name_pton) __ns_name_pton;
libc_hidden_proto (__ns_name_pton)
extern __typeof (ns_name_skip) __ns_name_skip;
libc_hidden_proto (__ns_name_skip)
extern __typeof (ns_name_uncompress) __ns_name_uncompress;
libc_hidden_proto (__ns_name_uncompress)
extern __typeof (ns_name_unpack) __ns_name_unpack;
libc_hidden_proto (__ns_name_unpack)
# endif /* !_ISOMAC */
#endif