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authorUlrich Drepper <drepper@redhat.com>2004-07-21 18:30:11 +0000
committerUlrich Drepper <drepper@redhat.com>2004-07-21 18:30:11 +0000
commit2ed2dc184687ed609f7223bb5e9b30712742e876 (patch)
tree02e751efa30036e368c34d32c4c81c670afbb3c2 /resolv
parent84b5ba7ecf85e45792d1571c2b29a8f2dbf1c989 (diff)
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Update.
2004-07-21 Jakub Jelinek <jakub@redhat.com> * resolv/res_libc.c (res_init): If RES_INIT is set and _res.nscount > 0, call __res_nclose and free nsaddrs. * resolv/Makefile: Add rules to build and run tst-leaks2. * resolv/tst-leaks2.c: New test.
Diffstat (limited to 'resolv')
-rw-r--r--resolv/Makefile15
-rw-r--r--resolv/res_libc.c8
-rw-r--r--resolv/tst-leaks2.c41
3 files changed, 62 insertions, 2 deletions
diff --git a/resolv/Makefile b/resolv/Makefile
index 743586b..a91e8a6 100644
--- a/resolv/Makefile
+++ b/resolv/Makefile
@@ -33,8 +33,9 @@ routines := herror inet_addr inet_ntop inet_pton nsap_addr res_init \
res_hconf res_libc res-state
tests = tst-aton tst-leaks
+xtests = tst-leaks2
-generate := mtrace-tst-leaks tst-leaks.mtrace
+generate := mtrace-tst-leaks tst-leaks.mtrace tst-leaks2.mtrace
include ../Makeconfig
@@ -65,7 +66,8 @@ ifeq (yesyes,$(build-shared)$(have-thread-library))
tests: $(objpfx)ga_test
endif
-generated := mtrace-tst-leaks tst-leaks.mtrace
+generated := mtrace-tst-leaks tst-leaks.mtrace \
+ mtrace-tst-leaks2 tst-leaks2.mtrace
include ../Rules
@@ -104,3 +106,12 @@ ifneq (no,$(PERL))
tests: $(objpfx)mtrace-tst-leaks
endif
endif
+
+tst-leaks2-ENV = MALLOC_TRACE=$(objpfx)tst-leaks2.mtrace
+$(objpfx)mtrace-tst-leaks2: $(objpfx)tst-leaks2.out
+ $(common-objpfx)malloc/mtrace $(objpfx)tst-leaks2.mtrace > $@
+ifeq (no,$(cross-compiling))
+ifneq (no,$(PERL))
+xtests: $(objpfx)mtrace-tst-leaks2
+endif
+endif
diff --git a/resolv/res_libc.c b/resolv/res_libc.c
index 66da110..94bb2fd 100644
--- a/resolv/res_libc.c
+++ b/resolv/res_libc.c
@@ -54,6 +54,14 @@ 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;
+ }
+ }
/*
* This one used to initialize implicitly to zero, so unless the app
diff --git a/resolv/tst-leaks2.c b/resolv/tst-leaks2.c
new file mode 100644
index 0000000..99a0a0f
--- /dev/null
+++ b/resolv/tst-leaks2.c
@@ -0,0 +1,41 @@
+/* Tests for res_init in libresolv
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#undef gethostbyname
+
+#include <mcheck.h>
+#include <netdb.h>
+#include <resolv.h>
+
+static int
+do_test (void)
+{
+ mtrace ();
+ for (int i = 0; i < 20; ++i)
+ {
+ res_init ();
+ gethostbyname ("www.gnu.org");
+ }
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 30
+/* This defines the `main' function and some more. */
+#include <test-skeleton.c>