From 60a5378208f8b60e0a04ac724a639ad19158e778 Mon Sep 17 00:00:00 2001
From: Liming Gao <liming.gao@intel.com>
Date: Fri, 25 Nov 2016 14:57:31 +0800
Subject: BaseTools CommonLib: Update ReadMemoryFileLine() to read line in file
 scope

https://bugzilla.tianocore.org/show_bug.cgi?id=255

Check CurrentFilePointer to make sure it not exceed the end of file.

Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
---
 BaseTools/Source/C/Common/MemoryFile.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'BaseTools/Source/C')

diff --git a/BaseTools/Source/C/Common/MemoryFile.c b/BaseTools/Source/C/Common/MemoryFile.c
index 1d9068822e..ec27619abb 100644
--- a/BaseTools/Source/C/Common/MemoryFile.c
+++ b/BaseTools/Source/C/Common/MemoryFile.c
@@ -222,6 +222,9 @@ Returns:
   // Increment the current file pointer (include the 0x0A)
   //
   InputFile->CurrentFilePointer += CharsToCopy + 1;
+  if (InputFile->CurrentFilePointer > InputFile->Eof) {
+    InputFile->CurrentFilePointer = InputFile->Eof;
+  }
   CheckMemoryFileState (InputMemoryFile);
 
   //
-- 
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