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| author | Eric Jin <eric.jin@intel.com> | 2019-07-26 15:48:44 +0800 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2019-08-15 17:22:24 +0800 |
| commit | a5944b6a13e227da23daa0ab59b5d6f4b06bb49b (patch) | |
| tree | ec6facce36397326be6b5ecf56b14725eacc7f62 /FmpDevicePkg | |
| parent | 11d354945c204588c98f74cfd8b6d18433d621c4 (diff) | |
| download | edk2-a5944b6a13e227da23daa0ab59b5d6f4b06bb49b.tar.gz edk2-a5944b6a13e227da23daa0ab59b5d6f4b06bb49b.tar.bz2 edk2-a5944b6a13e227da23daa0ab59b5d6f4b06bb49b.zip | |
FmpDevicePkg/FmpDxe: Remove use of CatSprint()
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1525
The size overhead for CatSPrint() is large. This function
is only used to generate variable names with HardwareInstance
value appended. Use UnicodeValueToStringS() instead that is
much smaller.
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Eric Jin <eric.jin@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'FmpDevicePkg')
| -rw-r--r-- | FmpDevicePkg/FmpDxe/FmpDxe.h | 1 | ||||
| -rw-r--r-- | FmpDevicePkg/FmpDxe/FmpDxe.inf | 1 | ||||
| -rw-r--r-- | FmpDevicePkg/FmpDxe/FmpDxeLib.inf | 1 | ||||
| -rw-r--r-- | FmpDevicePkg/FmpDxe/VariableSupport.c | 19 |
4 files changed, 17 insertions, 5 deletions
diff --git a/FmpDevicePkg/FmpDxe/FmpDxe.h b/FmpDevicePkg/FmpDxe/FmpDxe.h index 28bfa41580..150f18b656 100644 --- a/FmpDevicePkg/FmpDxe/FmpDxe.h +++ b/FmpDevicePkg/FmpDxe/FmpDxe.h @@ -23,6 +23,7 @@ #include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiLib.h>
+#include <Library/PrintLib.h>
#include <Library/FmpAuthenticationLib.h>
#include <Library/FmpDeviceLib.h>
#include <Library/FmpPayloadHeaderLib.h>
diff --git a/FmpDevicePkg/FmpDxe/FmpDxe.inf b/FmpDevicePkg/FmpDxe/FmpDxe.inf index 5487123935..bec73aa8fb 100644 --- a/FmpDevicePkg/FmpDxe/FmpDxe.inf +++ b/FmpDevicePkg/FmpDxe/FmpDxe.inf @@ -45,6 +45,7 @@ BaseMemoryLib
UefiBootServicesTableLib
MemoryAllocationLib
+ PrintLib
UefiLib
BaseCryptLib
FmpAuthenticationLib
diff --git a/FmpDevicePkg/FmpDxe/FmpDxeLib.inf b/FmpDevicePkg/FmpDxe/FmpDxeLib.inf index ba762b0b77..edc0cd66c1 100644 --- a/FmpDevicePkg/FmpDxe/FmpDxeLib.inf +++ b/FmpDevicePkg/FmpDxe/FmpDxeLib.inf @@ -45,6 +45,7 @@ BaseMemoryLib
UefiBootServicesTableLib
MemoryAllocationLib
+ PrintLib
UefiLib
BaseCryptLib
FmpAuthenticationLib
diff --git a/FmpDevicePkg/FmpDxe/VariableSupport.c b/FmpDevicePkg/FmpDxe/VariableSupport.c index 6c1ecf7df9..86dd5b203b 100644 --- a/FmpDevicePkg/FmpDxe/VariableSupport.c +++ b/FmpDevicePkg/FmpDxe/VariableSupport.c @@ -147,9 +147,15 @@ GenerateFmpVariableName ( IN CHAR16 *BaseVariableName
)
{
+ UINTN Size;
CHAR16 *VariableName;
- VariableName = CatSPrint (NULL, BaseVariableName);
+ //
+ // Allocate Unicode string with room for BaseVariableName and a 16 digit
+ // hexadecimal value for the HardwareInstance value.
+ //
+ Size = StrSize (BaseVariableName) + 16 * sizeof (CHAR16);
+ VariableName = AllocateCopyPool (Size, BaseVariableName);
if (VariableName == NULL) {
DEBUG ((DEBUG_ERROR, "FmpDxe(%s): Failed to generate variable name %s.\n", mImageIdName, BaseVariableName));
return VariableName;
@@ -157,10 +163,13 @@ GenerateFmpVariableName ( if (HardwareInstance == 0) {
return VariableName;
}
- VariableName = CatSPrint (VariableName, L"%016lx", HardwareInstance);
- if (VariableName == NULL) {
- DEBUG ((DEBUG_ERROR, "FmpDxe(%s): Failed to generate variable name %s.\n", mImageIdName, BaseVariableName));
- }
+ UnicodeValueToStringS (
+ &VariableName[StrLen(BaseVariableName)],
+ Size,
+ PREFIX_ZERO | RADIX_HEX,
+ HardwareInstance,
+ 16
+ );
return VariableName;
}
|