values may die at every use

[libfirm] / ir / be / benode.c

diff --git a/ir/be/benode.c b/ir/be/benode.c
index 5bad468..3cc8b42 100644 (file)
--- a/ir/be/benode.c
+++ b/ir/be/benode.c
@@ -1317,6 +1317,7 @@ static void dump_node_req(FILE *f, int idx, be_req_t *req)
        const char *prefix = buf;
 
        snprintf(buf, sizeof(buf), "#%d ", idx);
+       buf[sizeof(buf) - 1] = '\0';
 
        if(req->flags != arch_irn_flags_none) {
                fprintf(f, "%sflags: ", prefix);