diff options
Diffstat (limited to 'REORG.TODO/resolv/res_hconf.h')
| -rw-r--r-- | REORG.TODO/resolv/res_hconf.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/REORG.TODO/resolv/res_hconf.h b/REORG.TODO/resolv/res_hconf.h new file mode 100644 index 0000000000..6eaf4039f3 --- /dev/null +++ b/REORG.TODO/resolv/res_hconf.h @@ -0,0 +1,54 @@ +/* Copyright (C) 1993-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Mosberger (davidm@azstarnet.com). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _RES_HCONF_H_ +#define _RES_HCONF_H_ + +#include <netdb.h> + +#define TRIMDOMAINS_MAX 4 + +struct hconf +{ + /* We keep the INITIALIZED member only for backwards compatibility. New + code should just call _res_hconf_init unconditionally. For this field + to be used safely, users must ensure that either (1) a call to + _res_hconf_init happens-before any load from INITIALIZED, or (2) an + assignment of zero to INITIALIZED happens-before any load from it, and + these loads use acquire MO if the intent is to skip calling + _res_hconf_init if the load returns a nonzero value. Such acquire MO + loads will then synchronize with the release MO store to INITIALIZED + in do_init in res_hconf.c; see pthread_once for more detail. */ + int initialized; + int unused1; + int unused2[4]; + int num_trimdomains; + const char *trimdomain[TRIMDOMAINS_MAX]; + unsigned int flags; +# define HCONF_FLAG_INITED (1 << 0) /* initialized? */ +# define HCONF_FLAG_REORDER (1 << 3) /* list best address first */ +# define HCONF_FLAG_MULTI (1 << 4) /* see comments for gethtbyname() */ +}; +extern struct hconf _res_hconf; + +extern void _res_hconf_init (void); +extern void _res_hconf_trim_domain (char *domain); +extern void _res_hconf_trim_domains (struct hostent *hp); +extern void _res_hconf_reorder_addrs (struct hostent *hp); + +#endif /* _RES_HCONF_H_ */ |