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* fhandler_tty.cc (fhandler_tty_slave::close): Avoid potential crash

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if former open call has been unsuccessful.
This commit is contained in:
Corinna Vinschen
2010-04-02 14:11:45 +00:00
parent ce3124dc19
commit ed32dd8946
2 changed files with 8 additions and 2 deletions
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5
winsup/cygwin/ChangeLog
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@@ -1,3 +1,8 @@
2010-04-02 Corinna Vinschen <corinna@vinschen.de>
* fhandler_tty.cc (fhandler_tty_slave::close): Avoid potential crash
if former open call has been unsuccessful.
2010-04-01 Corinna Vinschen <corinna@vinschen.de>
* nlsfuncs.cc: Fix indentation.

5
winsup/cygwin/fhandler_tty.cc
View File

@@ -613,10 +613,11 @@ fhandler_tty_slave::close ()
close this normally. cgf 2006-05-20 */
cygheap->manage_console_count ("fhandler_tty_slave::close", -1);
archetype->usecount--;
if (archetype)
archetype->usecount--;
report_tty_counts (this, "closed", "");
if (archetype->usecount)
if (archetype && archetype->usecount)
{
#ifdef DEBUGGING
if (archetype->usecount < 0)