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* resolv/res_send.c (send_dg): If we already have one of two

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answers and the server reports SERVFAI, NOTIMP, or REFUSED, then
	use the one answer insted of failing.
This commit is contained in:
Ulrich Drepper 2008-05-24 17:51:45 +00:00
parent acbb987309
commit e200388380
2 changed files with 30 additions and 6 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-05-24 Ulrich Drepper <drepper@redhat.com>
* resolv/res_send.c (send_dg): If we already have one of two
answers and the server reports SERVFAI, NOTIMP, or REFUSED, then
use the one answer insted of failing.
2008-02-20 Ryan S. Arnold <rsa@us.ibm.com> 2008-02-20 Ryan S. Arnold <rsa@us.ibm.com>
* math/libm-test.inc (exp_test): Exclude expl(1000.0L) from * math/libm-test.inc (exp_test): Exclude expl(1000.0L) from

30
resolv/res_send.c
View File

@ -1001,12 +1001,12 @@ send_dg(res_state statp,
need_recompute = 1; need_recompute = 1;
} }
if (n == 0) { if (n == 0) {
Dprint(statp->options & RES_DEBUG, (stdout, Dprint(statp->options & RES_DEBUG, (stdout, ";; timeout\n"));
";; timeout sending\n")); if (recvresp1 || (buf2 != NULL && recvresp2))
if (recvresp1) {
return resplen; *resplen2 = 1;
if (buf2 != NULL && recvresp2) return resplen;
return 1; }
*gotsomewhere = 1; *gotsomewhere = 1;
return (0); return (0);
@ -1184,6 +1184,24 @@ send_dg(res_state statp,
thisansp, thisansp,
(*thisresplen > *thisanssiz) (*thisresplen > *thisanssiz)
? *thisanssiz : *thisresplen); ? *thisanssiz : *thisresplen);
if (recvresp1 || (buf2 != NULL && recvresp2))
{
*resplen2 = 1;
return resplen;
}
if (buf2 != NULL)
{
/* We are waiting for a possible second reply. */
resplen = 1;
if (hp->id == anhp->id)
recvresp1 = 1;
else
recvresp2 = 1;
goto wait;
}
next_ns: next_ns:
__res_iclose(statp, false); __res_iclose(statp, false);
/* don't retry if called from dig */ /* don't retry if called from dig */