diff options
| author | tgingold <tgingold@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-02-12 23:40:29 +0000 |
|---|---|---|
| committer | tgingold <tgingold@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-02-12 23:40:29 +0000 |
| commit | 52657feb150f316c79052a0e134cc57cfb6384ae (patch) | |
| tree | 0f752ceb08006173b0eb32b90d6d372208f62975 /EdkModulePkg/Library/EdkGenericPlatformBdsLib/String.c | |
| parent | 8033e9314810ae2e7544bd35fa30451f0a8b7d16 (diff) | |
| download | edk2-platforms-52657feb150f316c79052a0e134cc57cfb6384ae.tar.xz | |
EdkGenericPlatformBdsLib added
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2368 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkModulePkg/Library/EdkGenericPlatformBdsLib/String.c')
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericPlatformBdsLib/String.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/EdkModulePkg/Library/EdkGenericPlatformBdsLib/String.c b/EdkModulePkg/Library/EdkGenericPlatformBdsLib/String.c new file mode 100644 index 0000000000..1b04f02e17 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericPlatformBdsLib/String.c @@ -0,0 +1,136 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ string.c
+
+Abstract:
+
+ String support
+
+Revision History
+
+--*/
+
+#include "Bds.h"
+#include "String.h"
+#include "Language.h"
+
+extern UINT8 EdkGenericPlatformBdsLibStrings[];
+
+EFI_GUID gBdsStringPackGuid = { 0x7bac95d3, 0xddf, 0x42f3, {0x9e, 0x24, 0x7c, 0x64, 0x49, 0x40, 0x37, 0x9a} };
+
+EFI_HII_HANDLE gStringPackHandle;
+EFI_HII_PROTOCOL *Hii;
+
+EFI_STATUS
+InitializeStringSupport (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Initialize HII global accessor for string support
+
+Arguments:
+ None
+
+Returns:
+ String from ID.
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_HII_PACKAGES *PackageList;
+ //
+ // There should only ever be one HII protocol
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiHiiProtocolGuid,
+ NULL,
+ (VOID**)&Hii
+ );
+ if (!EFI_ERROR (Status)) {
+ PackageList = PreparePackages (1, &gBdsStringPackGuid, EdkGenericPlatformBdsLibStrings);
+ Status = Hii->NewPack (Hii, PackageList, &gStringPackHandle);
+ gBS->FreePool (PackageList);
+ }
+
+ return Status;
+}
+
+CHAR16 *
+GetStringById (
+ IN STRING_REF Id
+ )
+/*++
+
+Routine Description:
+
+ Get string by string id from HII Interface
+
+Arguments:
+
+ Id - String ID.
+
+Returns:
+
+ CHAR16 * - String from ID.
+ NULL - If error occurs.
+
+--*/
+{
+ CHAR16 *String;
+ UINTN StringLength;
+ EFI_STATUS Status;
+
+ //
+ // Set default string size assumption at no more than 256 bytes
+ //
+ StringLength = 0x100;
+
+ String = AllocateZeroPool (StringLength);
+ if (String == NULL) {
+ //
+ // If this happens, we are oh-so-dead, but return a NULL in any case.
+ //
+ return NULL;
+ }
+ //
+ // Get the current string for the current Language
+ //
+ Status = Hii->GetString (Hii, gStringPackHandle, Id, FALSE, NULL, &StringLength, String);
+ if (EFI_ERROR (Status)) {
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ //
+ // Free the old pool
+ //
+ gBS->FreePool (String);
+
+ //
+ // Allocate new pool with correct value
+ //
+ String = AllocatePool (StringLength);
+ ASSERT (String != NULL);
+
+ Status = Hii->GetString (Hii, gStringPackHandle, Id, FALSE, NULL, &StringLength, String);
+ if (!EFI_ERROR (Status)) {
+ return String;
+ }
+ }
+
+ return NULL;
+ }
+
+ return String;
+}
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