reduce the scope of a buffer in agnameof()

diff --git a/lib/cgraph/id.c b/lib/cgraph/id.c
index 9146177ee2b3b10e5c88a0cae14ea40e145614a4..a03cec5f6a98af12d47b18cf5f7c8ab4d964b56e 100644 (file)
--- a/lib/cgraph/id.c
+++ b/lib/cgraph/id.c
@@ -139,7 +139,6 @@ char *agnameof(void *obj)
 {
     Agraph_t *g;
     char *rv;
-    static char buf[32];
 
     /* perform internal lookup first */
     g = agraphof(obj);
@@ -152,6 +151,7 @@ char *agnameof(void *obj)
            return rv;
     }
     if (AGTYPE(obj) != AGEDGE) {
+       static char buf[32];
        sprintf(buf, "%c%ld", LOCALNAMEPREFIX, AGID(obj));
        rv = buf;
     }