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IntelFrameworkModulePkg PeiDxeDebugLib: Use safe string functions 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17734 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Hao Wu 2015-06-30 06:26:20 +00:00 committed by hwu1225
parent ed6d22e0f2
commit d5cbc27b00
1 changed files with 8 additions and 1 deletions
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9
IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c
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@ -56,6 +56,7 @@ DebugPrint (
UINT64 Buffer[(EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof (UINT64)) + 1];
EFI_DEBUG_INFO *DebugInfo;
UINTN TotalSize;
UINTN DestBufferSize;
VA_LIST VaListMarker;
BASE_LIST BaseListMarker;
CHAR8 *FormatString;
@ -115,7 +116,13 @@ DebugPrint (
//
// Copy the Format string into the record
//
AsciiStrCpy (FormatString, Format);
// According to the content structure of Buffer shown above, the size of
// the FormatString buffer is the size of Buffer minus the Padding
// (4 bytes), minus the size of EFI_DEBUG_INFO, minus the size of
// variable arguments (12 * sizeof (UINT64)).
//
DestBufferSize = sizeof (Buffer) - 4 - sizeof (EFI_DEBUG_INFO) - 12 * sizeof (UINT64);
AsciiStrCpyS (FormatString, DestBufferSize / sizeof (CHAR8), Format);
//
// The first 12 * sizeof (UINT64) bytes following EFI_DEBUG_INFO are for variable arguments