mirror of
https://sourceware.org/git/glibc.git
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Update.
2004-08-04 Jakub Jelinek <jakub@redhat.com>
* hesiod/hesiod.c (__hesiod_res_get): Use calloc instead of malloc +
memset.
(__hesiod_res_set): Free nsaddrs.
* include/resolv.h (__res_maybe_init): Add prototype.
* resolv/resolv.h (struct __res_state): Add _u._ext.initstamp field.
* resolv/Versions (libc): Add __res_maybe_init@@GLIBC_PRIVATE.
* resolv/res_libc.c (__res_initstamp, lock): New variables.
(res_init): Increase __res_initstamp.
(__res_maybe_init): New function.
* resolv/res_init.c (__res_vinit): Initialize _u._ext.initstamp.
* hesiod/hesiod.c (__hesiod_res_get): Use __res_maybe_init instead
of RES_INIT check and {res_ninit,__res_ninit,res_init} call.
* sysdeps/posix/getaddrinfo.c (gaih_inet): Likewise.
* resolv/nss_dns/dns-host.c (_nss_dns_gethostbyname2_r,
_nss_dns_gethostbyaddr_r): Likewise.
* resolv/nss_dns/dns-network.c (_nss_dns_getnetbyname_r,
_nss_dns_getnetbyaddr_r): Likewise.
* resolv/gethnamaddr.c (gethostbyname, gethostbyname2,
gethostbyaddr): Likewise.
* resolv/res_data.c (fp_nquery, res_mkquery, res_mkupdate,
res_isourserver, res_sendsigned, res_update, res_search,
res_querydomain): Likewise.
* nss/getXXbyYY_r.c (INTERNAL (REENTRANT_NAME)): Likewise.
* nss/digits_dots.c (__nss_hostname_digits_dots): Likewise.
* nss/getnssent_r.c (__nss_setent, __nss_endent, __nss_getent_r):
Likewise.
* sysdeps/posix/getaddrinfo.c (gaih_inet): Set ai_family for
V4-mapped IPv6 addresses and req->ai_family==AF_INET.
Reported by A. Guru <a.guru@sympatico.ca>.
* po/pl.po: Likewise.
characters than necessary.
This commit is contained in:
Ulrich Drepper
parent
a79d752f3d
commit
87bb6b6c6b
37
ChangeLog
37
ChangeLog
@ -1,13 +1,48 @@
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2004-08-04 Jakub Jelinek <jakub@redhat.com>
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* hesiod/hesiod.c (__hesiod_res_get): Use calloc instead of malloc +
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memset.
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(__hesiod_res_set): Free nsaddrs.
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* include/resolv.h (__res_maybe_init): Add prototype.
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* resolv/resolv.h (struct __res_state): Add _u._ext.initstamp field.
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* resolv/Versions (libc): Add __res_maybe_init@@GLIBC_PRIVATE.
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* resolv/res_libc.c (__res_initstamp, lock): New variables.
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(res_init): Increase __res_initstamp.
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(__res_maybe_init): New function.
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* resolv/res_init.c (__res_vinit): Initialize _u._ext.initstamp.
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* hesiod/hesiod.c (__hesiod_res_get): Use __res_maybe_init instead
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of RES_INIT check and {res_ninit,__res_ninit,res_init} call.
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* sysdeps/posix/getaddrinfo.c (gaih_inet): Likewise.
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* resolv/nss_dns/dns-host.c (_nss_dns_gethostbyname2_r,
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_nss_dns_gethostbyaddr_r): Likewise.
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* resolv/nss_dns/dns-network.c (_nss_dns_getnetbyname_r,
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_nss_dns_getnetbyaddr_r): Likewise.
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* resolv/gethnamaddr.c (gethostbyname, gethostbyname2,
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gethostbyaddr): Likewise.
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* resolv/res_data.c (fp_nquery, res_mkquery, res_mkupdate,
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res_isourserver, res_sendsigned, res_update, res_search,
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res_querydomain): Likewise.
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* nss/getXXbyYY_r.c (INTERNAL (REENTRANT_NAME)): Likewise.
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* nss/digits_dots.c (__nss_hostname_digits_dots): Likewise.
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* nss/getnssent_r.c (__nss_setent, __nss_endent, __nss_getent_r):
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Likewise.
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2004-08-05 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/posix/getaddrinfo.c (gaih_inet): Set ai_family for
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V4-mapped IPv6 addresses and req->ai_family==AF_INET.
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Reported by A. Guru <a.guru@sympatico.ca>.
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* po/sv.po: Update from translation team.
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* po/sk.po: Likewise.
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* po/pl.po: Likewise.
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2004-08-04 Jakub Jelinek <jakub@redhat.com>
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Ulrich Drepper <drepper@redhat.com>
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* wcsmbs/mbsrtowcs_l.c (__mbsrtowcs_l): Don't read more input
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character than necessary.
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characters than necessary.
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2004-08-05 Ulrich Drepper <drepper@redhat.com>
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@ -448,10 +448,9 @@ __hesiod_res_get(void *context) {
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if (!ctx->res) {
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struct __res_state *res;
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res = (struct __res_state *)malloc(sizeof *res);
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res = (struct __res_state *)calloc(1, sizeof *res);
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if (res == NULL)
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return (NULL);
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memset(res, 0, sizeof *res);
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__hesiod_res_set(ctx, res, free);
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}
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@ -465,6 +464,12 @@ __hesiod_res_set(void *context, struct __res_state *res,
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if (ctx->res && ctx->free_res) {
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res_nclose(ctx->res);
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if ((ctx->res->options & RES_INIT) && ctx->res->nscount > 0) {
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for (int ns = 0; ns < MAXNS; ns++) {
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free (ctx->res->_u._ext.nsaddrs[ns]);
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ctx->res->_u._ext.nsaddrs[ns] = NULL;
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}
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}
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(*ctx->free_res)(ctx->res);
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}
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@ -478,8 +483,7 @@ init(struct hesiod_p *ctx) {
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if (!ctx->res && !__hesiod_res_get(ctx))
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return (-1);
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if (((ctx->res->options & RES_INIT) == 0) &&
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(res_ninit(ctx->res) == -1))
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if (__res_maybe_init (ctx->res, 0) == -1)
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return (-1);
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return (0);
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@ -31,6 +31,7 @@ extern struct __res_state _res;
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/* Now define the internal interfaces. */
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extern int __res_vinit (res_state, int);
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extern int __res_maybe_init (res_state, int);
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extern void _sethtent (int);
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extern void _endhtent (void);
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extern struct hostent *_gethtent (void);
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@ -46,6 +47,7 @@ extern void res_send_setrhook (res_send_rhook __hook);
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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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libc_hidden_proto (__res_ninit)
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libc_hidden_proto (__res_maybe_init)
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libc_hidden_proto (__res_nclose)
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libc_hidden_proto (__res_randomid)
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libc_hidden_proto (__res_state)
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@ -43,7 +43,7 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf,
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/* We have to test for the use of IPv6 which can only be done by
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examining `_res'. */
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if ((_res.options & RES_INIT) == 0 && __res_ninit (&_res) == -1)
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if (__res_maybe_init (&_res, 0) == -1)
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{
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if (h_errnop)
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*h_errnop = NETDB_INTERNAL;
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@ -182,7 +182,7 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
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#ifdef NEED__RES
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/* The resolver code will really be used so we have to
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initialize it. */
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if ((_res.options & RES_INIT) == 0 && __res_ninit (&_res) == -1)
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if (__res_maybe_init (&_res, 0) == -1)
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{
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*h_errnop = NETDB_INTERNAL;
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*result = NULL;
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@ -1,4 +1,4 @@
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/* Copyright (C) 2000,02 Free Software Foundation, Inc.
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/* Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -60,8 +60,7 @@ __nss_setent (const char *func_name, db_lookup_function lookup_fct,
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} fct;
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int no_more;
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if (res && (_res.options & RES_INIT) == 0
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&& __res_ninit (&_res) == -1)
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if (res && __res_maybe_init (&_res, 0) == -1)
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{
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__set_h_errno (NETDB_INTERNAL);
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return;
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@ -104,8 +103,7 @@ __nss_endent (const char *func_name, db_lookup_function lookup_fct,
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} fct;
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int no_more;
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if (res && (_res.options & RES_INIT) == 0
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&& __res_ninit (&_res) == -1)
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if (res && __res_maybe_init (&_res, 0) == -1)
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{
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__set_h_errno (NETDB_INTERNAL);
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return;
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@ -145,8 +143,7 @@ __nss_getent_r (const char *getent_func_name,
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int no_more;
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enum nss_status status;
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if (res && (_res.options & RES_INIT) == 0
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&& __res_ninit (&_res) == -1)
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if (res && __res_maybe_init (&_res, 0) == -1)
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{
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*h_errnop = NETDB_INTERNAL;
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*result = NULL;
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@ -38,6 +38,8 @@ libc {
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# This version is for the TLS symbol, GLIBC_2.0 is the old object symbol.
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h_errno; __resp;
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%endif
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__res_maybe_init;
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}
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}
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@ -493,10 +493,10 @@ gethostbyname(name)
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{
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struct hostent *hp;
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if ((_res.options & RES_INIT) == 0 && __res_ninit(&_res) == -1) {
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if (__res_maybe_init (&_res, 0) == -1) {
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__set_h_errno (NETDB_INTERNAL);
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return (NULL);
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}
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}
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if (_res.options & RES_USE_INET6) {
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hp = gethostbyname2(name, AF_INET6);
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if (hp)
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@ -522,7 +522,7 @@ gethostbyname2(name, af)
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struct hostent *ret;
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extern struct hostent *_gethtbyname2();
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if ((_res.options & RES_INIT) == 0 && __res_ninit(&_res) == -1) {
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if (__res_maybe_init (&_res, 0) == -1) {
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__set_h_errno (NETDB_INTERNAL);
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return (NULL);
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}
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@ -665,7 +665,7 @@ gethostbyaddr(addr, len, af)
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#endif /*SUNSECURITY*/
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extern struct hostent *_gethtbyaddr();
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if ((_res.options & RES_INIT) == 0 && __res_ninit(&_res) == -1) {
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if (__res_maybe_init (&_res, 0) == -1) {
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__set_h_errno (NETDB_INTERNAL);
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return (NULL);
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}
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@ -145,7 +145,7 @@ _nss_dns_gethostbyname2_r (const char *name, int af, struct hostent *result,
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int olderr = errno;
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enum nss_status status;
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if ((_res.options & RES_INIT) == 0 && __res_ninit (&_res) == -1)
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if (__res_maybe_init (&_res, 0) == -1)
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return NSS_STATUS_UNAVAIL;
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switch (af) {
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@ -263,7 +263,7 @@ _nss_dns_gethostbyaddr_r (const void *addr, socklen_t len, int af,
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int n, status;
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int olderr = errno;
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if ((_res.options & RES_INIT) == 0 && __res_ninit (&_res) == -1)
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if (__res_maybe_init (&_res, 0) == -1)
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return NSS_STATUS_UNAVAIL;
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if (af == AF_INET6 && len == IN6ADDRSZ
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@ -1,4 +1,5 @@
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/* Copyright (C) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Extended from original form by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -120,7 +121,7 @@ _nss_dns_getnetbyname_r (const char *name, struct netent *result,
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char *qbuf;
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enum nss_status status;
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if ((_res.options & RES_INIT) == 0 && __res_ninit (&_res) == -1)
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if (__res_maybe_init (&_res, 0) == -1)
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return NSS_STATUS_UNAVAIL;
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qbuf = strdupa (name);
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@ -171,7 +172,7 @@ _nss_dns_getnetbyaddr_r (uint32_t net, int type, struct netent *result,
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if (type != AF_INET)
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return NSS_STATUS_UNAVAIL;
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if ((_res.options & RES_INIT) == 0 && __res_ninit (&_res) == -1)
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if (__res_maybe_init (&_res, 0) == -1)
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return NSS_STATUS_UNAVAIL;
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net2 = (u_int32_t) net;
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@ -141,7 +141,7 @@ fp_query(const u_char *msg, FILE *file) {
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void
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fp_nquery(const u_char *msg, int len, FILE *file) {
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if ((_res.options & RES_INIT) == 0 && __res_ninit(&_res) == -1)
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if (__res_maybe_init (&_res, 0) == -1)
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return;
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res_pquery(&_res, msg, len, file);
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@ -157,7 +157,7 @@ res_mkquery(int op, /* opcode of query */
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u_char *buf, /* buffer to put query */
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int buflen) /* size of buffer */
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{
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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if (__res_maybe_init (&_res, 1) == -1) {
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RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
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return (-1);
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}
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@ -169,7 +169,7 @@ res_mkquery(int op, /* opcode of query */
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#ifdef BIND_UPDATE
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int
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res_mkupdate(ns_updrec *rrecp_in, u_char *buf, int buflen) {
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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if (__res_maybe_init (&_res, 1) == -1) {
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RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
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return (-1);
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}
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@ -184,7 +184,7 @@ res_query(const char *name, /* domain name */
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u_char *answer, /* buffer to put answer */
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int anslen) /* size of answer buffer */
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{
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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if (__res_maybe_init (&_res, 1) == -1) {
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RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
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return (-1);
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}
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@ -208,7 +208,7 @@ res_isourserver(const struct sockaddr_in *inp) {
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int
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res_send(const u_char *buf, int buflen, u_char *ans, int anssiz) {
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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if (__res_maybe_init (&_res, 1) == -1) {
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/* errno should have been set by res_init() in this case. */
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return (-1);
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}
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@ -221,7 +221,7 @@ int
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res_sendsigned(const u_char *buf, int buflen, ns_tsig_key *key,
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u_char *ans, int anssiz)
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{
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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if (__res_maybe_init (&_res, 1) == -1) {
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/* errno should have been set by res_init() in this case. */
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return (-1);
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}
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@ -249,7 +249,7 @@ res_close(void) {
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#ifdef BIND_UPDATE
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int
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res_update(ns_updrec *rrecp_in) {
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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if (__res_maybe_init (&_res, 1) == -1) {
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RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
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return (-1);
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}
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@ -264,7 +264,7 @@ res_search(const char *name, /* domain name */
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u_char *answer, /* buffer to put answer */
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int anslen) /* size of answer */
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{
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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if (__res_maybe_init (&_res, 1) == -1) {
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RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
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return (-1);
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}
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@ -279,7 +279,7 @@ res_querydomain(const char *name,
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u_char *answer, /* buffer to put answer */
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int anslen) /* size of answer */
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{
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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if (__res_maybe_init (&_res, 1) == -1) {
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RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
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return (-1);
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}
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@ -161,6 +161,10 @@ __res_vinit(res_state statp, int preinit) {
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#ifndef RFC1535
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int dots;
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#endif
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#ifdef _LIBC
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extern unsigned long long int __res_initstamp attribute_hidden;
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statp->_u._ext.initstamp = __res_initstamp;
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#endif
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if (!preinit) {
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statp->retrans = RES_TIMEOUT;
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@ -15,16 +15,31 @@
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* SOFTWARE.
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*/
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#include <limits.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <arpa/nameser.h>
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#include <resolv.h>
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#include <bits/libc-lock.h>
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/* The following bit is copied from res_data.c (where it is #ifdef'ed
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out) since res_init() should go into libc.so but the rest of that
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file should not. */
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unsigned long long int __res_initstamp attribute_hidden;
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/* We have atomic increment operations on 64-bit platforms. */
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#if __WORDSIZE == 64
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# define atomicinclock(lock) (void) 0
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# define atomicincunlock(lock) (void) 0
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# define atomicinc(var) atomic_increment (&(var))
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#else
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__libc_lock_define_initialized (static, lock);
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# define atomicinclock(lock) __libc_lock_lock (lock)
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# define atomicincunlock(lock) __libc_lock_unlock (lock)
|
||||
# define atomicinc(var) ++var
|
||||
#endif
|
||||
|
||||
int
|
||||
res_init(void) {
|
||||
extern int __res_vinit(res_state, int);
|
||||
@ -70,8 +85,45 @@ res_init(void) {
|
||||
if (!_res.id)
|
||||
_res.id = res_randomid();
|
||||
|
||||
atomicinclock (lock);
|
||||
/* Request all threads to re-initialize their resolver states,
|
||||
resolv.conf might have changed. */
|
||||
atomicinc (__res_initstamp);
|
||||
atomicincunlock (lock);
|
||||
|
||||
return (__res_vinit(&_res, 1));
|
||||
}
|
||||
|
||||
/* Initialize resp if RES_INIT is not yet set or if res_init in some other
|
||||
thread requested re-initializing. */
|
||||
int
|
||||
__res_maybe_init (res_state resp, int preinit)
|
||||
{
|
||||
if (resp->options & RES_INIT) {
|
||||
if (__res_initstamp != resp->_u._ext.initstamp) {
|
||||
if (resp->nscount > 0) {
|
||||
__res_nclose (resp);
|
||||
for (int ns = 0; ns < MAXNS; ns++) {
|
||||
free (resp->_u._ext.nsaddrs[ns]);
|
||||
resp->_u._ext.nsaddrs[ns] = NULL;
|
||||
}
|
||||
return __res_vinit (resp, 1);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
} else if (preinit) {
|
||||
if (!resp->retrans)
|
||||
resp->retrans = RES_TIMEOUT;
|
||||
if (!resp->retry)
|
||||
resp->retry = 4;
|
||||
resp->options = RES_DEFAULT;
|
||||
if (!resp->id)
|
||||
resp->id = res_randomid ();
|
||||
return __res_vinit (resp, 1);
|
||||
} else
|
||||
return __res_ninit (resp);
|
||||
}
|
||||
libc_hidden_def (__res_maybe_init)
|
||||
|
||||
/* This needs to be after the use of _res in res_init, above. */
|
||||
#undef _res
|
||||
|
||||
@ -134,6 +134,12 @@ struct __res_state {
|
||||
u_int16_t nscount6;
|
||||
u_int16_t nsinit;
|
||||
struct sockaddr_in6 *nsaddrs[MAXNS];
|
||||
#ifdef _LIBC
|
||||
unsigned long long int initstamp
|
||||
__attribute__((packed));
|
||||
#else
|
||||
unsigned int _initstamp[2];
|
||||
#endif
|
||||
} _ext;
|
||||
} _u;
|
||||
};
|
||||
|
||||
@ -604,8 +604,12 @@ gaih_inet (const char *name, const struct gaih_service *service,
|
||||
{
|
||||
if (req->ai_family == AF_UNSPEC || req->ai_family == AF_INET6)
|
||||
at->family = AF_INET6;
|
||||
else if (IN6_IS_ADDR_V4MAPPED (at->addr))
|
||||
*(uint32_t *) at->addr = ((uint32_t *) at->addr)[3];
|
||||
else if (req->ai_family == AF_INET
|
||||
&& IN6_IS_ADDR_V4MAPPED (at->addr))
|
||||
{
|
||||
*(uint32_t *) at->addr = ((uint32_t *) at->addr)[3];
|
||||
at->family = AF_INET;
|
||||
}
|
||||
else
|
||||
return -EAI_ADDRFAMILY;
|
||||
|
||||
@ -662,7 +666,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
|
||||
no_more = __nss_database_lookup ("hosts", NULL,
|
||||
"dns [!UNAVAIL=return] files", &nip);
|
||||
|
||||
if ((_res.options & RES_INIT) == 0 && __res_ninit(&_res) == -1)
|
||||
if (__res_maybe_init (&_res, 0) == -1)
|
||||
no_more = 1;
|
||||
old_res_options = _res.options;
|
||||
_res.options &= ~RES_USE_INET6;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user