X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeutil.h;h=cc6e60b62efc8d731683648b27f4f50aff730cf2;hb=4ed245f5007168dab7850942a7ee6b6b29a19817;hp=d1b1eb03a3e3edc65a53483495f5a6922ed1e1a4;hpb=f436f72951577e35b60e0ea1f2e6a536e4f479bb;p=libfirm

diff --git a/ir/be/beutil.h b/ir/be/beutil.h
index d1b1eb03a..cc6e60b62 100644
--- 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