From 3e85874b1ea00d395a2add6b1cf38eef34bc2c38 Mon Sep 17 00:00:00 2001
From: Tim Waugh <twaugh@redhat.com>
Date: Sun, 23 Nov 2008 17:54:33 +0100
Subject: [PATCH] Limit in-memory buffer size

Limit the amount of saved data to 200Mb so we don't fail on
large files.

Original ticket: https://bugzilla.redhat.com/show_bug.cgi?id=198165
---
 src/grep.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/grep.c b/src/grep.c
index 4363b4a..46ce140 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -492,6 +492,12 @@ fillbuf (size_t save, struct stats const *stats)
   int cc = 1;
   char *readbuf;
   size_t readsize;
+  const size_t max_save = 200 * 1024 * 1024;
+
+  /* Limit the amount of saved data to 200Mb so we don't fail on
+   * large files. */
+  if (save > max_save)
+    save = max_save;
 
   /* Offset from start of buffer to start of old stuff
      that we want to save.  */
-- 
1.5.5.1