3 files changed, 66 insertions, 2 deletions

diff --git a/lib/tests/test_disk.c b/lib/tests/test_disk.c
index ac9db005..fcde4f85 100644
--- a/lib/tests/test_disk.c
+++ b/lib/tests/test_disk.c
@@ -36,14 +36,15 @@ main (int argc, char **argv)
         struct name_list *dummy_mountlist = NULL;
         struct name_list *temp_name;
         struct parameter_list *paths = NULL;
-        struct parameter_list *p;
+        struct parameter_list *p, *prev, *last;
 
         struct mount_entry *dummy_mount_list;
         struct mount_entry *me;
         struct mount_entry **mtail = &dummy_mount_list;
         int cflags = REG_NOSUB | REG_EXTENDED;
+        int found = 0, count = 0;
 
-        plan_tests(29);
+        plan_tests(33);
 
         ok( np_find_name(exclude_filesystem, "/var/log") == FALSE, "/var/log not in list");
         np_add_name(&exclude_filesystem, "/var/log");
@@ -160,6 +161,46 @@ main (int argc, char **argv)
                 }
         }
 
+        /* test deleting first element in paths */
+        paths = np_del_parameter(paths, NULL);
+        for (p = paths; p; p = p->name_next) {
+                if (! strcmp(p->name, "/home/groups"))
+                        found = 1;
+        }
+        ok(found == 0, "first element successfully deleted");
+        found = 0;
+        
+        p=paths;
+        while (p) {
+                if (! strcmp(p->name, "/tmp"))
+                        p = np_del_parameter(p, prev);
+                else {
+                        prev = p;
+                        p = p->name_next;
+                }
+        }
+
+        for (p = paths; p; p = p->name_next) {
+                if (! strcmp(p->name, "/tmp"))
+                        found = 1;
+                if (p->name_next)
+                        prev = p;
+                else
+                        last = p;
+        }
+        ok(found == 0, "/tmp element successfully deleted");
+
+        p = np_del_parameter(last, prev);
+        for (p = paths; p; p = p->name_next) {
+                if (! strcmp(p->name, "/home"))
+                        found = 1;
+                last = p;
+                count++;
+        }
+        ok(found == 0, "last (/home) element successfully deleted");
+        ok(count == 2, "two elements remaining");
+
+
         return exit_status();
 }
 
diff --git a/lib/utils_disk.c b/lib/utils_disk.c
index 96f5a306..3f9c8a9a 100644
--- a/lib/utils_disk.c
+++ b/lib/utils_disk.c
@@ -74,6 +74,26 @@ np_add_parameter(struct parameter_list **list, const char *name)
   return new_path;
 }
 
+/* Delete a given parameter from list and return pointer to next element*/
+struct parameter_list *
+np_del_parameter(struct parameter_list *item, struct parameter_list *prev)
+{
+        struct parameter_list *next;
+        if (item->name_next)
+                next = item->name_next;
+        else
+                next = NULL;
+
+        
+        free(item);
+        if (prev)
+          prev->name_next = next;
+
+        return next;
+
+}
+
+  
 /* returns a pointer to the struct found in the list */
 struct parameter_list *
 np_find_parameter(struct parameter_list *list, const char *name)
@@ -166,3 +186,4 @@ np_regex_match_mount_entry (struct mount_entry* me, regex_t* re)
     return false;
   }
 }
+
diff --git a/lib/utils_disk.h b/lib/utils_disk.h
index 6263339f..f99b9050 100644
--- a/lib/utils_disk.h
+++ b/lib/utils_disk.h
@@ -31,6 +31,8 @@ int np_find_name (struct name_list *list, const char *name);
 int np_seen_name (struct name_list *list, const char *name);
 struct parameter_list *np_add_parameter(struct parameter_list **list, const char *name);
 struct parameter_list *np_find_parameter(struct parameter_list *list, const char *name);
+struct parameter_list *np_del_parameter(struct parameter_list *item, struct parameter_list *prev);
+  
 int search_parameter_list (struct parameter_list *list, const char *name);
 void np_set_best_match(struct parameter_list *desired, struct mount_entry *mount_list, int exact);
 int np_regex_match_mount_entry (struct mount_entry* me, regex_t* re);