From 0339eb4598600024cedca14a7e882c1737dd2d82 Mon Sep 17 00:00:00 2001
From: Pádraig Brady <P@draigBrady.com>
Date: Wed, 10 Nov 2010 14:35:17 +0000
Subject: csplit: fix a memory leak per input buffer

* src/csplit.c (free_buffer): Also free the line offsets buffers
(remove_line): Also free the containing structure
* tests/misc/csplit-heap: A new test to trigger with leaks of
this magnitude.
* tests/Makefile.am: Reference the new test
* NEWS: Mention the fix
Reported by David Hofstee
---
 src/csplit.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/csplit.c b/src/csplit.c
index 57543f0a2..948a795e2 100644
--- a/src/csplit.c
+++ b/src/csplit.c
@@ -418,6 +418,13 @@ get_new_buffer (size_t min_size)
 static void
 free_buffer (struct buffer_record *buf)
 {
+  struct line *l;
+  for (l = buf->line_start; l;)
+    {
+      struct line *n = l->next;
+      free (l);
+      l = n;
+    }
   free (buf->buffer);
   buf->buffer = NULL;
 }
@@ -542,6 +549,7 @@ remove_line (void)
   if (prev_buf)
     {
       free_buffer (prev_buf);
+      free (prev_buf);
       prev_buf = NULL;
     }
 
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