Partial fix for bug 2088

diff --git a/lib/common/labels.c b/lib/common/labels.c
index 4af5f193563ac721cebd7fe04d523b1307dfaa85..7fb9dc93c1013b5cc5cccb269d2c24205aaeec56 100644 (file)
--- a/lib/common/labels.c
+++ b/lib/common/labels.c
@@ -289,6 +289,7 @@ char *strdup_and_subst_obj(char *str, void *obj)
        h_len = 2, t_len = 2, l_len = 2,
        tp_len = 0, hp_len = 0;
     int newlen = 0;
+    int isEdge = 0;
     textlabel_t *tl;
     port pt;
 
@@ -319,6 +320,7 @@ char *strdup_and_subst_obj(char *str, void *obj)
            }
            break;
        case AGEDGE:
+           isEdge = 1;
            g_str = agnameof(agroot(agraphof(agtail(((edge_t *)obj)))));
            g_len = strlen(g_str);
            t_str = agnameof(agtail(((edge_t *)obj)));
@@ -392,16 +394,18 @@ char *strdup_and_subst_obj(char *str, void *obj)
                for (t = n_str; (*p = *t++); p++);
                break;
            case 'E':
-               for (t = t_str; (*p = *t++); p++);
-               if (tp_len) {
-                   *p++ = ':';
-                   for (t = tp_str; (*p = *t++); p++);
-               }
-               for (t = e_str; (*p = *t++); p++);
-               for (t = h_str; (*p = *t++); p++);
-               if (hp_len) {
-                   *p++ = ':';
-                   for (t = hp_str; (*p = *t++); p++);
+               if (isEdge) {
+                   for (t = t_str; (*p = *t++); p++);
+                   if (tp_len) {
+                       *p++ = ':';
+                       for (t = tp_str; (*p = *t++); p++);
+                   }
+                   for (t = e_str; (*p = *t++); p++);
+                   for (t = h_str; (*p = *t++); p++);
+                   if (hp_len) {
+                       *p++ = ':';
+                       for (t = hp_str; (*p = *t++); p++);
+                   }
                }
                break;
            case 'T':