MdePkg: Add a new macro VA_COPY for variable argument support. Fix a bug in the UefiLib instance that there is a non portable assumption that Marker is copied when passed to a function.

Signed-off-by: rsun3
Reviewed-by: mdkinney


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13025 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3
2012-02-22 02:39:57 +00:00
parent 53c31c5164
commit 265fa9fa39
2 changed files with 23 additions and 2 deletions

View File

@@ -742,8 +742,11 @@ CatVSPrint (
UINTN CharactersRequired;
UINTN SizeRequired;
CHAR16 *BufferToReturn;
VA_LIST ExtraMarker;
CharactersRequired = SPrintLength(FormatString, Marker);
VA_COPY (ExtraMarker, Marker);
CharactersRequired = SPrintLength(FormatString, ExtraMarker);
VA_END (ExtraMarker);
if (String != NULL) {
SizeRequired = StrSize(String) + (CharactersRequired * sizeof(CHAR16));