3 * - useful general-purpose resolver client program, header file
7 * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
9 * It is part of adns, which is
10 * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
11 * Copyright (C) 1999 Tony Finch <dot@dotat.at>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2, or (at your option)
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software Foundation,
25 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #ifndef ADNSHOST_H_INCLUDED
29 #define ADNSHOST_H_INCLUDED
43 /* declarations related to option processing */
46 typedef void optfunc(const struct optioninfo
*oi
, const char *arg
);
51 ot_flag
, ot_value
, ot_func
, ot_funcarg
54 const char *sopt
, *lopt
;
60 enum ttlmode
{ tm_none
, tm_rel
, tm_abs
};
62 struct perqueryflags_remember
{
63 int show_owner
, show_type
, show_cname
;
67 extern int ov_env
, ov_pipe
, ov_asynch
;
68 extern int ov_verbose
;
69 extern adns_rrtype ov_type
;
70 extern int ov_search
, ov_qc_query
, ov_qc_anshost
, ov_qc_cname
;
71 extern int ov_tcp
, ov_cname
;
73 extern struct perqueryflags_remember ov_pqfr
;
75 extern optfunc of_help
, of_type
, of_asynch_id
, of_cancel_id
;
77 const struct optioninfo
*opt_findl(const char *opt
);
78 const struct optioninfo
*opt_finds(const char **optp
);
79 void opt_do(const struct optioninfo
*oip
, const char *arg
);
81 /* declarations related to query processing */
84 struct query_node
*next
, *back
;
85 struct perqueryflags_remember pqfr
;
90 extern adns_state ads
;
91 extern struct outstanding_list
{ struct query_node
*head
, *tail
; } outstanding
;
93 void ensure_adns_init(void);
94 void query_do(const char *domain
);
95 void query_done(struct query_node
*qun
, adns_answer
*answer
);
97 void of_asynch_id(const struct optioninfo
*oi
, const char *arg
);
98 void of_cancel_id(const struct optioninfo
*oi
, const char *arg
);
100 /* declarations related to main program and useful utility functions */
102 void sysfail(const char *what
, int errnoval
) NONRETURNING
;
103 void usageerr(const char *what
, ...) NONRETURNPRINTFFORMAT(1,2);
104 void outerr(void) NONRETURNING
;
105 void setnonblock(int fd
, int nonblock
);
107 void *xmalloc(size_t sz
);
108 char *xstrsave(const char *str
);