inet: Fix LT{.old,} compilation due to res_iclose

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

2 files changed, 49 insertions, 1 deletions

diff --git a/test/inet/Makefile.in b/test/inet/Makefile.in
index 0710d3d71..2c84729bf 100644
--- a/test/inet/Makefile.in
+++ b/test/inet/Makefile.in
@@ -7,5 +7,11 @@ TESTS_DISABLED := bug-if1 gethost_r-align gethostid if_nameindex tst-aton \
 endif
 
 ifeq ($(UCLIBC_HAS_SOCKET)$(UCLIBC_HAS_IPV4)$(UCLIBC_HAS_IPV6),)
-TESTS_DISABLED := tst-ether_aton tst-ethers tst-ethers-line
+TESTS_DISABLED += tst-ether_aton tst-ethers tst-ethers-line
+endif
+
+ifeq ($(UCLIBC_HAS_RESOLVER_SUPPORT),)
+TESTS_DISABLED += tst-res
+else
+LDFLAGS_tst-res_glibc := -lresolv # assume it's glibc or somebody with that lib
 endif
diff --git a/test/inet/tst-res.c b/test/inet/tst-res.c
new file mode 100644
index 000000000..ad9de789e
--- /dev/null
+++ b/test/inet/tst-res.c
@@ -0,0 +1,42 @@
+#include <stdlib.h>
+#include <assert.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+#include <netdb.h>
+
+int main(int argc, char **argv)
+{
+    int r;
+    struct __res_state state;
+
+    r = res_ninit(&state);
+    if (r) {
+        herror("ninit");
+		abort();
+	}
+    r = res_init();
+    if (r) {
+        herror("init");
+		abort();
+	}
+
+    res_close();
+#ifdef __UCLIBC__
+	/* assume there is at least one resolver configured */
+	assert (state._u._ext.nscount > 0);
+#else
+	assert (state._u._ext.nscount == 0);
+#endif
+	assert (state.options & RES_INIT);
+    res_nclose(&state);
+#ifdef __UCLIBC__
+	/* We wipe the whole thing */
+	assert ((state.options & RES_INIT) == 0);
+#endif
+	assert (state._u._ext.nscount == 0);
+
+    return 0;
+}
+