gentoo-overlay/media-video/guvcview/files/guvcview-1.5.1-loops.patch

--- guvcview-src-1.5.1.orig/src/v4l2_controls.c	2011-11-18 12:12:53.049556430 +0100
+++ guvcview-src-1.5.1/src/v4l2_controls.c	2011-11-18 12:13:00.095556136 +0100
@@ -993,10 +993,10 @@
     int i = 0;
     int done = 0;
     
-    while(!done)
+    for(; next != NULL; current = next, next = current->next)
     {   
         if(current->control.flags & V4L2_CTRL_FLAG_WRITE_ONLY)
-            goto next_control;
+            continue;
             
         clist[count].id = current->control.id;
 #ifndef DISABLE_STRING_CONTROLS 
@@ -1081,15 +1081,6 @@
             
             count = 0;
             
-            if(next == NULL)
-                done = 1;
-        }
-        
-next_control:
-        if(!done)
-        {
-            current = next;
-            next = current->next;
         }
     }
     
@@ -1188,10 +1179,10 @@
     int i = 0;
     int done = 0;
     
-    while(!done)
+    for(; next != NULL; current = next, next = current->next)
     {
         if(current->control.flags & V4L2_CTRL_FLAG_READ_ONLY)
-            goto next_control;
+            continue;
             
         clist[count].id = current->control.id;
         switch (current->control.type)
@@ -1269,16 +1260,6 @@
             
             
             count = 0;
-            
-            if(next == NULL)
-                done = 1;
-        }
-
-next_control:
-        if(!done)
-        {
-            current = next;
-            next = current->next;   
         }
     }