glibc/include/resolv.h
Florian Weimer 352f4ff9a2 resolv: Introduce struct resolv_context [BZ #21668]
struct resolv_context objects provide a temporary resolver context
which does not change during a name lookup operation.  Only when the
outmost context is created, the stub resolver configuration is
verified to be current (at present, only against previous res_init
calls).  Subsequent attempts to obtain the context will reuse the
result of the initial verification operation.

struct resolv_context can also be extended in the future to store
data which needs to be deallocated during thread cancellation.
2017-07-03 20:52:59 +02:00

72 lines
2.2 KiB
C

#ifndef _RESOLV_H_
# ifndef _ISOMAC
# include <stdbool.h>
# define RES_SET_H_ERRNO(r,x) \
do \
{ \
(r)->res_h_errno = x; \
__set_h_errno(x); \
} \
while (0)
# endif
#include <resolv/resolv.h>
# if defined _RESOLV_H_ && !defined _ISOMAC
# if IS_IN (libc)
# define __resp __libc_resp
# endif
extern __thread struct __res_state *__resp attribute_tls_model_ie;
# undef _res
# define _res (*__resp)
/* Now define the internal interfaces. */
extern int __res_vinit (res_state, int) attribute_hidden;
extern void _sethtent (int);
extern struct hostent *_gethtent (void);
extern struct hostent *_gethtbyname (const char *__name);
extern struct hostent *_gethtbyname2 (const char *__name, int __af);
struct hostent *_gethtbyaddr (const char *addr, size_t __len, int __af);
extern uint32_t _getlong (const unsigned char *__src);
extern uint16_t _getshort (const unsigned char *__src);
extern int res_ourserver_p (const res_state __statp,
const struct sockaddr_in6 *__inp);
extern void __res_iclose (res_state statp, bool free_addr);
libc_hidden_proto (__res_ninit)
libc_hidden_proto (__res_nclose)
libc_hidden_proto (__res_iclose)
libc_hidden_proto (__res_randomid)
libc_hidden_proto (__res_state)
libresolv_hidden_proto (_sethtent)
libresolv_hidden_proto (_gethtent)
libresolv_hidden_proto (_gethtbyaddr)
libresolv_hidden_proto (_gethtbyname2)
libresolv_hidden_proto (__dn_expand)
libresolv_hidden_proto (__dn_comp)
libresolv_hidden_proto (__dn_skipname)
libresolv_hidden_proto (__res_hnok)
libresolv_hidden_proto (__res_dnok)
libresolv_hidden_proto (__putlong)
libresolv_hidden_proto (__putshort)
libresolv_hidden_proto (__p_cdnname)
libresolv_hidden_proto (__p_fqnname)
libresolv_hidden_proto (__p_option)
libresolv_hidden_proto (__sym_ntos)
libresolv_hidden_proto (__p_rcode)
libresolv_hidden_proto (__p_class)
libresolv_hidden_proto (__p_type)
libresolv_hidden_proto (__loc_ntoa)
libresolv_hidden_proto (__fp_nquery)
libresolv_hidden_proto (__fp_query)
libresolv_hidden_proto (__res_nameinquery)
libresolv_hidden_proto (__res_queriesmatch)
libresolv_hidden_proto (__b64_ntop)
libresolv_hidden_proto (__dn_count_labels)
libresolv_hidden_proto (__p_secstodate)
# endif /* _RESOLV_H_ && !_ISOMAC */
#endif