--- grep-2.5.1a/src/grep.c.mem-exhausted	2006-11-22 14:49:35.000000000 +0000

+++ grep-2.5.1a/src/grep.c	2006-11-22 14:53:12.000000000 +0000

@@ -299,6 +299,12 @@

   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.  */