From 0a1ac00ad6b0e5b82ea70eca121c92bdc27677fd Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Thu, 31 Oct 1996 23:49:42 +0000
Subject: (es_free): New function. (parse_str): Use it to plug small memory
 leak.

---
 src/tr.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'src/tr.c')

diff --git a/src/tr.c b/src/tr.c
index 95b1ad939..65868975d 100644
--- a/src/tr.c
+++ b/src/tr.c
@@ -479,6 +479,13 @@ is_char_class_member (enum Char_class char_class, unsigned int c)
   return result;
 }
 
+static void
+es_free (struct E_string *es)
+{
+  free (es->s);
+  free (es->escaped);
+}
+
 /* Perform the first pass over each range-spec argument S, converting all
    \c and \ddd escapes to their one-byte representations.  The conversion
    is done in-place, so S must point to writable storage.  If an invalid
@@ -1441,12 +1448,13 @@ static int
 parse_str (const unsigned char *s, struct Spec_list *spec_list)
 {
   struct E_string es;
+  int fail;
 
-  if (unquote (s, &es))
-    return 1;
-  if (build_spec_list (&es, spec_list))
-    return 1;
-  return 0;
+  fail = unquote (s, &es);
+  if (!fail)
+    fail = build_spec_list (&es, spec_list);
+  es_free (&es);
+  return fail;
 }
 
 /* Given two specification lists, S1 and S2, and assuming that
-- 
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