From: Hao Wu <hao.a.wu@intel.com>
Date: Tue, 30 Jun 2015 06:30:20 +0000 (+0000)
Subject: IntelFspPkg BaseFspDebugLibSerialPort: Use safe string functions
X-Git-Tag: edk2-stable201903~9530
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=c42b399a086638db9f5f2f0af0520fd5e6be5855

IntelFspPkg BaseFspDebugLibSerialPort: Use safe string functions

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17743 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/IntelFspPkg/Library/BaseFspDebugLibSerialPort/DebugLib.c b/IntelFspPkg/Library/BaseFspDebugLibSerialPort/DebugLib.c
index 8d90a1a598..73bb08e357 100644
--- a/IntelFspPkg/Library/BaseFspDebugLibSerialPort/DebugLib.c
+++ b/IntelFspPkg/Library/BaseFspDebugLibSerialPort/DebugLib.c
@@ -148,7 +148,12 @@ DebugAssertInternal (
   //
   // Generate the ASSERT() message in Ascii format
   //
-  AsciiStrnCpy (Buffer, "-> EBP:0x00000000  EIP:0x00000000\n", sizeof(Buffer));
+  AsciiStrnCpyS (
+    Buffer,
+    sizeof(Buffer) / sizeof(CHAR8),
+    "-> EBP:0x00000000  EIP:0x00000000\n",
+    sizeof(Buffer) / sizeof(CHAR8) - 1
+    );
   SerialPortWrite ((UINT8 *)"ASSERT DUMP:\n", 13);
   while (Frame != NULL) {
     FillHex ((UINT32)Frame, Buffer + 9);