From 406a410bc3b4f245803dec59c1ee4a72aa10e313 Mon Sep 17 00:00:00 2001
From: Panu Matilainen <pmatilai@redhat.com>
Date: Mon, 25 Jun 2007 10:31:37 +0300
Subject: Don't mmap large files (rhbz#139539, 177616) Patch from Thomas
 Woerner

---
 rpmdb/legacy.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rpmdb/legacy.c b/rpmdb/legacy.c
index b97d67b70..3968369e2 100644
--- a/rpmdb/legacy.c
+++ b/rpmdb/legacy.c
@@ -167,6 +167,11 @@ int domd5(const char * fn, unsigned char * digest, int asAscii, size_t *fsizep)
 	goto exit;
     }
 
+    /* file to large (32 MB), do not mmap file */
+    if (fsize > (size_t) 32*1024*1024)
+      if (ut == URL_IS_PATH || ut == URL_IS_UNKNOWN)
+	ut = URL_IS_DASH; /* force fd io */
+
     switch(ut) {
     case URL_IS_PATH:
     case URL_IS_UNKNOWN:
-- 
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