be_lower_for_target is now a simple function in the public API

[libfirm] / ir / adt / pqueue.c

diff --git a/ir/adt/pqueue.c b/ir/adt/pqueue.c
index 3fd6a6f..ebaa9c6 100644 (file)
--- a/ir/adt/pqueue.c
+++ b/ir/adt/pqueue.c
@@ -27,6 +27,7 @@
 
 #include "array.h"
 #include "pqueue.h"
+#include "error.h"
 
 /*
  * Implements a heap.
@@ -45,12 +46,12 @@
  *
  */
 
-typedef struct _pqueue_el_t {
+typedef struct pqueue_el_t {
        void *data;
        int  priority;
 } pqueue_el_t;
 
-struct _pqueue_t {
+struct pqueue_t {
        pqueue_el_t *elems;
 };
 
@@ -131,13 +132,10 @@ void *pqueue_pop_front(pqueue_t *q)
 {
        switch (ARR_LEN(q->elems)) {
                case 0:
-                       assert(0 && "Attempt to retrieve element from empty priority queue.");
-                       return NULL;
-                       break;
+                       panic("Attempt to retrieve element from empty priority queue.");
                case 1:
                        ARR_SHRINKLEN(q->elems, 0);
                        return q->elems[0].data;
-                       break;
                default: {
                        void *data = q->elems[0].data;
                        int  len   = ARR_LEN(q->elems) - 1;