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MdeModulePkg/DebugLibReportStatusCode: Fix hang if format is too long

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The previous commit 137ed15511e2045a7333e33ae7f1e873ce1961dd
* MdeModulePkg/DebugLib: Print partial when format string is too long
copies partial format string to DEBUG_INFO buffer but when parsing
the format modifier, the original format string is still used.

The patch fixes this issue.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Ruiyu Ni 2018-03-01 14:33:43 +08:00
parent 79f84eb676
commit a7119c8152
1 changed files with 5 additions and 0 deletions
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MdeModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c
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@ -126,6 +126,11 @@ DebugPrint (
// Here we will process the variable arguments and pack them in this area.
//
VA_START (VaListMarker, Format);
//
// Use the actual format string.
//
Format = FormatString;
for (; *Format != '\0'; Format++) {
//
// Only format with prefix % is processed.