mirror of https://github.com/acidanthera/audk.git
260 lines
7.4 KiB
C
260 lines
7.4 KiB
C
/** @file
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Mde UEFI library API implemention.
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Print to StdErr or ConOut defined in EFI_SYSTEM_TABLE
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Copyright (c) 2007, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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/**
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Internal function which prints a formatted Unicode string to the console output device
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specified by Console
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This function prints a formatted Unicode string to the console output device
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specified by Console and returns the number of Unicode characters that printed
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to it. If the length of the formatted Unicode string is greater than PcdUefiLibMaxPrintBufferSize,
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then only the first PcdUefiLibMaxPrintBufferSize characters are sent to Console.
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@param Format Null-terminated Unicode format string.
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@param Console The output console.
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@param Marker VA_LIST marker for the variable argument list.
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If Format is NULL, then ASSERT().
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If Format is not aligned on a 16-bit boundary, then ASSERT().
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**/
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STATIC
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UINTN
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InternalPrint (
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IN CONST CHAR16 *Format,
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IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *Console,
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IN VA_LIST Marker
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)
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{
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UINTN Return;
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CHAR16 *Buffer;
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UINTN BufferSize;
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ASSERT (Format != NULL);
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ASSERT (((UINTN) Format & 0x01) == 0);
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BufferSize = (PcdGet32 (PcdUefiLibMaxPrintBufferSize) + 1) * sizeof (CHAR16);
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Buffer = (CHAR16 *) AllocatePool(BufferSize);
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ASSERT (Buffer != NULL);
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Return = UnicodeVSPrint (Buffer, BufferSize, Format, Marker);
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if (Console != NULL) {
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//
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// To be extra safe make sure Console has been initialized
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//
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Console->OutputString (Console, Buffer);
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}
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FreePool (Buffer);
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return Return;
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}
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/**
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Prints a formatted Unicode string to the console output device specified by
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ConOut defined in the EFI_SYSTEM_TABLE.
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This function prints a formatted Unicode string to the console output device
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specified by ConOut in EFI_SYSTEM_TABLE and returns the number of Unicode
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characters that printed to ConOut. If the length of the formatted Unicode
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string is greater than PcdUefiLibMaxPrintBufferSize, then only the first
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PcdUefiLibMaxPrintBufferSize characters are sent to ConOut.
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@param Format Null-terminated Unicode format string.
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@param ... VARARG list consumed to process Format.
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If Format is NULL, then ASSERT().
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If Format is not aligned on a 16-bit boundary, then ASSERT().
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**/
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UINTN
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EFIAPI
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Print (
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IN CONST CHAR16 *Format,
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...
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)
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{
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VA_LIST Marker;
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UINTN Return;
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VA_START (Marker, Format);
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Return = InternalPrint (Format, gST->ConOut, Marker);
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VA_END (Marker);
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return Return;
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}
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/**
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Prints a formatted Unicode string to the console output device specified by
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StdErr defined in the EFI_SYSTEM_TABLE.
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This function prints a formatted Unicode string to the console output device
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specified by StdErr in EFI_SYSTEM_TABLE and returns the number of Unicode
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characters that printed to StdErr. If the length of the formatted Unicode
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string is greater than PcdUefiLibMaxPrintBufferSize, then only the first
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PcdUefiLibMaxPrintBufferSize characters are sent to StdErr.
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@param Format Null-terminated Unicode format string.
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@param ... VARARG list consumed to process Format.
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If Format is NULL, then ASSERT().
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If Format is not aligned on a 16-bit boundary, then ASSERT().
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**/
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UINTN
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EFIAPI
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ErrorPrint (
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IN CONST CHAR16 *Format,
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...
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)
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{
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VA_LIST Marker;
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UINTN Return;
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VA_START (Marker, Format);
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Return = InternalPrint( Format, gST->StdErr, Marker);
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VA_END (Marker);
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return Return;
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}
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/**
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Internal function which prints a formatted ASCII string to the console output device
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specified by Console
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This function prints a formatted ASCII string to the console output device
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specified by Console and returns the number of ASCII characters that printed
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to it. If the length of the formatted ASCII string is greater than PcdUefiLibMaxPrintBufferSize,
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then only the first PcdUefiLibMaxPrintBufferSize characters are sent to Console.
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@param Format Null-terminated ASCII format string.
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@param Console The output console.
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@param Marker VA_LIST marker for the variable argument list.
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If Format is NULL, then ASSERT().
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**/
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STATIC
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UINTN
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AsciiInternalPrint (
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IN CONST CHAR8 *Format,
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IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *Console,
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IN VA_LIST Marker
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)
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{
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UINTN Return;
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CHAR16 *Buffer;
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UINTN BufferSize;
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ASSERT (Format != NULL);
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BufferSize = (PcdGet32 (PcdUefiLibMaxPrintBufferSize) + 1) * sizeof (CHAR16);
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Buffer = (CHAR16 *) AllocatePool(BufferSize);
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ASSERT (Buffer != NULL);
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Return = UnicodeVSPrintAsciiFormat (Buffer, BufferSize, Format, Marker);
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if (Console != NULL) {
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//
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// To be extra safe make sure Console has been initialized
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//
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Console->OutputString (Console, Buffer);
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}
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FreePool (Buffer);
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return Return;
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}
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/**
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Prints a formatted ASCII string to the console output device specified by
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ConOut defined in the EFI_SYSTEM_TABLE.
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This function prints a formatted ASCII string to the console output device
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specified by ConOut in EFI_SYSTEM_TABLE and returns the number of ASCII
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characters that printed to ConOut. If the length of the formatted ASCII
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string is greater than PcdUefiLibMaxPrintBufferSize, then only the first
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PcdUefiLibMaxPrintBufferSize characters are sent to ConOut.
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@param Format Null-terminated ASCII format string.
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@param ... VARARG list consumed to process Format.
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If Format is NULL, then ASSERT().
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If Format is not aligned on a 16-bit boundary, then ASSERT().
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**/
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UINTN
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EFIAPI
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AsciiPrint (
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IN CONST CHAR8 *Format,
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...
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)
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{
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VA_LIST Marker;
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UINTN Return;
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VA_START (Marker, Format);
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Return = AsciiInternalPrint( Format, gST->ConOut, Marker);
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VA_END (Marker);
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return Return;
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}
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/**
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Prints a formatted ASCII string to the console output device specified by
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StdErr defined in the EFI_SYSTEM_TABLE.
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This function prints a formatted ASCII string to the console output device
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specified by StdErr in EFI_SYSTEM_TABLE and returns the number of ASCII
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characters that printed to StdErr. If the length of the formatted ASCII
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string is greater than PcdUefiLibMaxPrintBufferSize, then only the first
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PcdUefiLibMaxPrintBufferSize characters are sent to StdErr.
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@param Format Null-terminated ASCII format string.
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@param ... VARARG list consumed to process Format.
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If Format is NULL, then ASSERT().
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If Format is not aligned on a 16-bit boundary, then ASSERT().
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**/
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UINTN
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EFIAPI
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AsciiErrorPrint (
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IN CONST CHAR8 *Format,
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...
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)
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{
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VA_LIST Marker;
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UINTN Return;
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VA_START (Marker, Format);
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Return = AsciiInternalPrint( Format, gST->StdErr, Marker);
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VA_END (Marker);
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return Return;
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}
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