From: Arnaud Legrand <arnaud.legrand@imag.fr>
Date: Wed, 21 Aug 2013 18:42:09 +0000 (+0200)
Subject: Avoid stupid segfault on DEBUG when heap is empty.
X-Git-Tag: v3_9_90~123^2~43
X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/0c63bb7b7e2986962a19ce3f95b4a374da055c71?ds=sidebyside

Avoid stupid segfault on DEBUG when heap is empty.
---

diff --git a/src/xbt/heap.c b/src/xbt/heap.c
index c795b76f8f..e035a3ab10 100644
--- a/src/xbt/heap.c
+++ b/src/xbt/heap.c
@@ -123,11 +123,11 @@ void *xbt_heap_pop(xbt_heap_t H)
   int size = H->size;
   void *max;
 
-  XBT_DEBUG("Heap has %d elements before extraction and max elem was %g",xbt_heap_size(H),xbt_heap_maxkey(H));
-
   if (H->count == 0)
     return NULL;
 
+  XBT_DEBUG("Heap has %d elements before extraction and max elem was %g",xbt_heap_size(H),xbt_heap_maxkey(H));
+
   max = CONTENT(H, 0);
 
   items[0] = items[(H->count) - 1];