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resolv: Reset defdname before use in __res_vinit [BZ #19369]

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Resetting defdname (default domain name) before use in __res_vinit
ensures that the default domain name is correctly set to a default
value when it is not set by the LOCALDOMAIN environment variable or
the "domain" or "search" parameters in resolv.conf

Tested using the steps from:
https://sourceware.org/bugzilla/show_bug.cgi?id=19369
This commit is contained in:
Rob Wu 2015-12-16 12:53:27 +01:00 committed by Mike Frysinger
parent d51442aacd
commit b674b82109
2 changed files with 6 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2015-12-29 Rob Wu <rob@robwu.nl>
[BZ #19369]
* resolv/res_init.c (__res_vinit): Reset defdname before use.
2015-12-29 John David Anglin <danglin@gcc.gnu.org>
[BZ #19270]

1
resolv/res_init.c
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@ -176,6 +176,7 @@ __res_vinit(res_state statp, int preinit) {
}
statp->nscount = 0;
statp->defdname[0] = '\0';
statp->ndots = 1;
statp->pfcode = 0;
statp->_vcsock = -1;