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Enhance HiiThunkGetString to handle the case that PlatformLanguage is not set. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9408 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4 2009-11-11 05:19:30 +00:00
parent 3b428adef9
commit 43ffc47f9c
1 changed files with 26 additions and 25 deletions
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49
EdkCompatibilityPkg/Compatibility/FrameworkHiiOnUefiHiiThunk/Strings.c
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@ -308,6 +308,9 @@ HiiThunkGetString (
Private = HII_THUNK_PRIVATE_DATA_FROM_THIS(This);
Rfc4646AsciiLanguage = NULL;
SupportedLanguages = NULL;
PlatformLanguage = NULL;
Status = EFI_SUCCESS;
if (LanguageString != NULL) {
Iso639AsciiLanguage = AllocateZeroPool (StrLen (LanguageString) + 1);
@ -328,7 +331,6 @@ HiiThunkGetString (
// Iso639ToRfc4646Map.
//
ASSERT (Rfc4646AsciiLanguage != NULL);
}
UefiHiiHandle = FwHiiHandleToUefiHiiHandle (Private, Handle);
@ -342,16 +344,13 @@ HiiThunkGetString (
//
SupportedLanguages = HiiGetSupportedLanguages (UefiHiiHandle);
if (SupportedLanguages == NULL) {
goto Error2;
goto Done;
}
//
// Get the current platform language setting
//
PlatformLanguage = GetEfiGlobalVariable (L"PlatformLang");
if (PlatformLanguage == NULL) {
goto Error1;
}
//
// Get the best matching language from SupportedLanguages
@ -359,36 +358,38 @@ HiiThunkGetString (
BestLanguage = GetBestLanguage (
SupportedLanguages,
FALSE, // RFC 4646 mode
(Rfc4646AsciiLanguage != NULL) ? Rfc4646AsciiLanguage : "",
PlatformLanguage, // Next highest priority
(Rfc4646AsciiLanguage != NULL) ? Rfc4646AsciiLanguage : "", // Highest priority
(PlatformLanguage != NULL) ? PlatformLanguage : "", // Next highest priority
SupportedLanguages, // Lowest priority
NULL
);
if (BestLanguage == NULL) {
FreePool (PlatformLanguage);
Error1:
FreePool (SupportedLanguages);
Error2:
if (BestLanguage != NULL) {
Status = mHiiStringProtocol->GetString (
mHiiStringProtocol,
BestLanguage,
UefiHiiHandle,
Token,
StringBuffer,
BufferLengthTemp,
NULL
);
FreePool (BestLanguage);
} else {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
Status = mHiiStringProtocol->GetString (
mHiiStringProtocol,
BestLanguage,
UefiHiiHandle,
Token,
StringBuffer,
BufferLengthTemp,
NULL
);
FreePool (BestLanguage);
Done:
if (Rfc4646AsciiLanguage != NULL) {
FreePool (Rfc4646AsciiLanguage);
}
if (SupportedLanguages != NULL) {
FreePool (SupportedLanguages);
}
if (PlatformLanguage != NULL) {
FreePool (PlatformLanguage);
}
return Status;
}