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