From d2822e9faffdffc44ab6d8418c13b63a65e20338 Mon Sep 17 00:00:00 2001
From: Pino Toscano <ptoscano@redhat.com>
Date: Fri, 20 Jul 2018 14:08:50 +0200
Subject: [PATCH] * src/jmt.c (add_lens): fix memory leak w/ debugging

format_lens returns a new string every time, so save its result, and
free it properly after use.

(cherry picked from commit 4310fcc41c6f870da71d07423d6ac64ea6a60998)
---
 src/jmt.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/jmt.c b/src/jmt.c
index 79953da1..86179eed 100644
--- a/src/jmt.c
+++ b/src/jmt.c
@@ -1109,16 +1109,20 @@ static ind_t add_lens(struct jmt *jmt, struct lens *lens) {
 
     if (debugging("cf.jmt")) {
         if (sA == NULL) {
+            char *s = format_lens(lens);
             printf("add_lens: ");
             print_regexp(stdout, lens->ctype);
-            printf(" %s\n", format_lens(lens));
+            printf(" %s\n", s);
+            free(s);
         } else {
+            char *s = format_lens(lens);
             printf("add_lens: ");
             flens(stdout, l);
-            printf(" %u %s\n", sA->num, format_lens(lens));
+            printf(" %u %s\n", sA->num, s);
             if (nullable) {
-                printf("add_lens: // %s\n", format_lens(lens));
+                printf("add_lens: // %s\n", s);
             }
+            free(s);
         }
     }
 
-- 
2.17.2