chiark / gitweb /
unset variable with ENV{VAR}=""
[elogind.git] / udev_utils.c
index e892012..6d646b0 100644 (file)
@@ -110,6 +110,26 @@ char *name_list_key_add(struct list_head *name_list, const char *key, const char
        return new_name->name;
 }
 
+int name_list_key_remove(struct list_head *name_list, const char *key)
+{
+       struct name_entry *name_loop;
+       struct name_entry *temp_loop;
+       size_t keylen = strlen(key);
+       int retval = 0;
+
+       list_for_each_entry_safe(name_loop, temp_loop, name_list, node) {
+               if (strncmp(name_loop->name, key, keylen) != 0)
+                       continue;
+               if (name_loop->name[keylen] != '=')
+                       continue;
+               list_del(&name_loop->node);
+               free(name_loop);
+               retval = 1;
+               break;
+       }
+       return retval;
+}
+
 void name_list_cleanup(struct list_head *name_list)
 {
        struct name_entry *name_loop;