fixed debug output of unary x87 nodes

[libfirm] / ir / be / beutil.h

diff --git a/ir/be/beutil.h b/ir/be/beutil.h
index d1b1eb0..cc6e60b 100644 (file)
--- a/ir/be/beutil.h
+++ b/ir/be/beutil.h
@@ -87,6 +87,7 @@ static INLINE FILE *ffopen(const char *base, const char *ext, const char *mode)
        char buf[1024];
 
        snprintf(buf, sizeof(buf), "%s.%s", base, ext);
+       buf[sizeof(buf) - 1] = '\0';
        if (! (out = fopen(buf, mode))) {
                fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode);
                return NULL;
@@ -116,6 +117,13 @@ void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix);
  */
 void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const char *));
 
+/**
+ * Returns the number of reachable nodes in an irg.
+ * @param irg The irg.
+ * @return The number of reachable nodes.
+ */
+unsigned get_num_reachable_nodes(ir_graph *irg);
+
 /**
  * Search for an irn in @p accept.
  * The search is started at @p start_point_exclusive and continues upwards the dom-tree