system-linux: fix a glob related memleak

[project/netifd.git] / config.c

diff --git a/config.c b/config.c
index 7720acf..6691e61 100644 (file)
--- a/config.c
+++ b/config.c
@@ -11,6 +11,7 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
+#define _GNU_SOURCE
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -33,6 +34,25 @@ static struct uci_package *uci_wireless;
 static struct blob_buf b;
 
 static int
+config_section_idx(struct uci_section *s)
+{
+       struct uci_element *e;
+       int idx = 0;
+
+       uci_foreach_element(&uci_wireless->sections, e) {
+               struct uci_section *cur = uci_to_section(e);
+
+               if (s == cur)
+                       return idx;
+
+               if (!strcmp(cur->type, s->type))
+                       idx++;
+       }
+
+       return -1;
+}
+
+static int
 config_parse_bridge_interface(struct uci_section *s)
 {
        char *name;
@@ -313,9 +333,14 @@ config_parse_wireless_device(struct uci_section *s)
 static void
 config_parse_wireless_interface(struct wireless_device *wdev, struct uci_section *s)
 {
+       char *name;
+
+       name = alloca(strlen(s->type) + 16);
+       sprintf(name, "@%s[%d]", s->type, config_section_idx(s));
+
        blob_buf_init(&b, 0);
        uci_to_blob(&b, s, wdev->drv->interface.config);
-       wireless_interface_create(wdev, b.head, s->e.name);
+       wireless_interface_create(wdev, b.head, s->anonymous ? name : s->e.name);
 }
 
 static void