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-rw-r--r--StdLib/LibC/Wchar/ConsDecons.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/StdLib/LibC/Wchar/ConsDecons.c b/StdLib/LibC/Wchar/ConsDecons.c
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index 0000000000..ab139405fc
--- /dev/null
+++ b/StdLib/LibC/Wchar/ConsDecons.c
@@ -0,0 +1,64 @@
+/** @file
+ Constructor and Deconstructor functions for <wchar.h>.
+
+ Unless explicitly stated otherwise, the functions defined in this file order
+ two wide characters the same way as two integers of the underlying integer
+ type designated by wchar_t.
+
+ Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that 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.
+**/
+#include <Uefi.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+#include <LibConfig.h>
+
+#include <errno.h>
+#include <wchar.h>
+
+/* Data initialized by the library constructor */
+UINT8 *__wchar_bitmap = NULL;
+UINTN __wchar_bitmap_size;
+UINTN __wchar_bitmap_64;
+
+EFI_STATUS
+EFIAPI
+__wchar_construct(
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ if( __wchar_bitmap == NULL) {
+ __wchar_bitmap_size = (WCHAR_MAX + 8) / 8U;
+ __wchar_bitmap = AllocatePool(__wchar_bitmap_size);
+ if( __wchar_bitmap == NULL) {
+ EFIerrno = RETURN_OUT_OF_RESOURCES;
+ errno = ENOMEM;
+ return EFIerrno;
+ }
+ return RETURN_SUCCESS;
+ }
+ return RETURN_ALREADY_STARTED;
+}
+
+EFI_STATUS
+EFIAPI
+__wchar_deconstruct(
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ if( __wchar_bitmap != NULL) {
+ FreePool( __wchar_bitmap);
+ __wchar_bitmap = NULL;
+ }
+ return RETURN_SUCCESS;
+}