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* resolv/res_init.c (__res_iclose): New function. Broken out of

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res_nclose.  Take addition parameter which determines whether
	addresses should be freed.
	(res_nclose): Call __res_iclose.
	(res_thread_freeres): Likewise.
	* resolv/res_data.c (res_close): Call __res_iclose.
	* resolv/res_libc.c (res_init): No need to separately free the
	addresses.
	(__res_maybe_init): Likewise.
	* resolv/res_send.c: Use __res_iclose instead of res_nclose.
	* resolv/Versions [GLIBC_PRIVATE]: Add __res_iclose.
	* include/resolv.h: Declare __res_iclose.
	Add libc_hidden_proto for __res_iclose.
	* hesiod/hesiod.c (__hesiod_res_set): No need to free name server
	addresses here again.
This commit is contained in:
Ulrich Drepper
2005-11-01 00:08:54 +00:00
parent 6ff8f07aba
commit cb07f6f67d
8 changed files with 65 additions and 58 deletions
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16
resolv/res_libc.c
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@ -70,14 +70,8 @@ res_init(void) {
_res.retry = 4;
if (!(_res.options & RES_INIT))
_res.options = RES_DEFAULT;
else if (_res.nscount > 0) {
__res_nclose (&_res); /* Close any VC sockets. */
for (int ns = 0; ns < MAXNS; ns++) {
free (_res._u._ext.nsaddrs[ns]);
_res._u._ext.nsaddrs[ns] = NULL;
}
}
else if (_res.nscount > 0)
__res_iclose (&_res, true); /* Close any VC sockets. */
/*
* This one used to initialize implicitly to zero, so unless the app
@ -103,11 +97,7 @@ __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;
}
__res_iclose (resp, true);
return __res_vinit (resp, 1);
}
}