From edff9621621eafd4c3a26fb37b3f30eb964660f7 Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Fri, 2 May 2008 19:04:36 +0000
Subject: [PATCH] applied patch #1948700 - support for files between 1.6 and 2
 GB

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5620 212acab6-be3b-0410-9dea-997c60f758d6
---
 Source/build.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Source/build.cpp b/Source/build.cpp
index a9e5200b..ea64ae27 100644
--- a/Source/build.cpp
+++ b/Source/build.cpp
@@ -721,7 +721,10 @@ int CEXEBuild::add_db_data(IMMap *mmap) // returns offset
   {
     // grow datablock so that there is room to compress into
     int bufferlen = length + 1024 + length / 4; // give a nice 25% extra space
-    db->resize(st + bufferlen + sizeof(int));
+    if (bufferlen < 0) // too much data... try allocating as much as possible
+      db->resize(max(st, 0x7fffffff));
+    else
+      db->resize(st + bufferlen + sizeof(int));
 
     int n = compressor->Init(build_compress_level, build_compress_dict_size);
     if (n != C_OK)