include/arpa/nameser.h

   1 #ifndef _ARPA_NAMESER_H_
   2
   3 #include <resolv/arpa/nameser.h>
   4
   5 # ifndef _ISOMAC
   6
   7 /* If the machine allows unaligned access we can do better than using
   8    the NS_GET16, NS_GET32, NS_PUT16, and NS_PUT32 macros from the
   9    installed header.  */
  10 #include <string.h>
  11 #include <stdint.h>
  12 #include <netinet/in.h>
  13
  14 extern const struct _ns_flagdata _ns_flagdata[] attribute_hidden;
  15
  16 #if _STRING_ARCH_unaligned
  17
  18 # undef NS_GET16
  19 # define NS_GET16(s, cp) \
  20   do {                                                                        \
  21     const uint16_t *t_cp = (const uint16_t *) (cp);                           \
  22     (s) = ntohs (*t_cp);                                                      \
  23     (cp) += NS_INT16SZ;                                                       \
  24   } while (0)
  25
  26 # undef NS_GET32
  27 # define NS_GET32(l, cp) \
  28   do {                                                                        \
  29     const uint32_t *t_cp = (const uint32_t *) (cp);                           \
  30     (l) = ntohl (*t_cp);                                                      \
  31     (cp) += NS_INT32SZ;                                                       \
  32   } while (0)
  33
  34 # undef NS_PUT16
  35 # define NS_PUT16(s, cp) \
  36   do {                                                                        \
  37     uint16_t *t_cp = (uint16_t *) (cp);                                       \
  38     *t_cp = htons (s);                                                        \
  39     (cp) += NS_INT16SZ;                                                       \
  40   } while (0)
  41
  42 # undef NS_PUT32
  43 # define NS_PUT32(l, cp) \
  44   do {                                                                        \
  45     uint32_t *t_cp = (uint32_t *) (cp);                                       \
  46     *t_cp = htonl (l);                                                        \
  47     (cp) += NS_INT32SZ;                                                       \
  48   } while (0)
  49
  50 #endif
  51
  52 extern unsigned int     __ns_get16 (const unsigned char *) __THROW;
  53 extern unsigned long    __ns_get32 (const unsigned char *) __THROW;
  54 int __ns_name_ntop (const unsigned char *, char *, size_t) __THROW;
  55 int __ns_name_unpack (const unsigned char *, const unsigned char *,
  56                       const unsigned char *, unsigned char *, size_t) __THROW;
  57
  58 #define ns_msg_getflag(handle, flag) \
  59   (((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift)
  60
  61 libresolv_hidden_proto (ns_get16)
  62 libresolv_hidden_proto (ns_get32)
  63 libresolv_hidden_proto (ns_put16)
  64 libresolv_hidden_proto (ns_put32)
  65 libresolv_hidden_proto (ns_initparse)
  66 libresolv_hidden_proto (ns_skiprr)
  67 libresolv_hidden_proto (ns_parserr)
  68 libresolv_hidden_proto (ns_name_ntop)
  69 libresolv_hidden_proto (ns_name_pton)
  70 libresolv_hidden_proto (ns_name_pack)
  71 libresolv_hidden_proto (ns_name_skip)
  72 libresolv_hidden_proto (ns_name_unpack)
  73 libresolv_hidden_proto (ns_name_compress)
  74 libresolv_hidden_proto (ns_name_uncompress)
  75 libresolv_hidden_proto (ns_sprintrr)
  76 libresolv_hidden_proto (ns_sprintrrf)
  77 libresolv_hidden_proto (ns_samedomain)
  78 libresolv_hidden_proto (ns_samename)
  79 libresolv_hidden_proto (ns_makecanon)
  80 libresolv_hidden_proto (ns_format_ttl)
  81
  82 # endif /* !_ISOMAC */
  83 #endif