Changeset 2246de6 in mainline for uspace/lib/libc/generic/libadt/list.c

Timestamp:

2009-05-21T06:57:08Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

cb41a5e

Parents:

55982d6

Message:

add list_count()
cstyle

File:

• uspace/lib/libc/generic/libadt/list.c (modified) (3 diffs)

uspace/lib/libc/generic/libadt/list.c

@@ -49 +49 @@
 int list_member(const link_t *link, const link_t *head)
 {
-        int found = false;
+        int found = 0;
         link_t *hlp = head->next;
         
         while (hlp != head) {
                 if (hlp == link) {
-                        found = true;
+                        found = 1;
                         break;
                 }
@@ -78 +78 @@
         if (list_empty(head2))
                 return;
-
+        
         head2->next->prev = head1->prev;
-        head2->prev->next = head1;      
+        head2->prev->next = head1;
         head1->prev->next = head2->next;
         head1->prev = head2->prev;
@@ -86 +86 @@
 }
 
+
+/** Count list items
+ *
+ * Return the number of items in the list.
+ *
+ * @param link List to count.
+ *
+ * @return Number of items in the list.
+ *
+ */
+unsigned int list_count(const link_t *link)
+{
+        unsigned int count = 0;
+        link_t *hlp = link->next;
+        
+        while (hlp != link) {
+                count++;
+                hlp = hlp->next;
+        }
+        
+        return count;
+}
+
 /** @}
  */