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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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31
resolv/res_init.c
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@ -555,7 +555,7 @@ libc_hidden_def (__res_randomid)
* This routine is not expected to be user visible.
*/
void
res_nclose(res_state statp) {
__res_iclose(res_state statp, bool free_addr) {
int ns;
if (statp->_vcsock >= 0) {
@ -568,13 +568,25 @@ res_nclose(res_state statp) {
#else
for (ns = 0; ns < statp->_u._ext.nscount; ns++)
#endif
if (statp->_u._ext.nsaddrs[ns]
&& statp->_u._ext.nssocks[ns] != -1) {
close_not_cancel_no_status(statp->_u._ext.nssocks[ns]);
statp->_u._ext.nssocks[ns] = -1;
if (statp->_u._ext.nsaddrs[ns]) {
if (statp->_u._ext.nssocks[ns] != -1) {
close_not_cancel_no_status(statp->_u._ext.nssocks[ns]);
statp->_u._ext.nssocks[ns] = -1;
}
if (free_addr) {
free (statp->_u._ext.nsaddrs[ns]);
statp->_u._ext.nsaddrs[ns] = NULL;
}
}
statp->_u._ext.nsinit = 0;
}
libc_hidden_def (__res_iclose)
void
res_nclose(res_state statp)
{
__res_iclose (statp, true);
}
#ifdef _LIBC
libc_hidden_def (__res_nclose)
#endif
@ -589,14 +601,7 @@ res_thread_freeres (void)
/* Never called res_ninit. */
return;
__res_nclose (&_res); /* Close any VC sockets. */
for (int ns = 0; ns < MAXNS; ns++)
if (_res._u._ext.nsaddrs[ns] != NULL)
{
free (_res._u._ext.nsaddrs[ns]);
_res._u._ext.nsaddrs[ns] = NULL;
}
__res_iclose (&_res, true); /* Close any VC sockets. */
/* Make sure we do a full re-initialization the next time. */
_res.options = 0;