audk/EdkModulePkg/Universal/Network/PxeBc/Dxe/Print.c

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/*++
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:
Print.c
Abstract:
--*/
#include <Bc.h>
UINTN
EFIAPI
AsciiPrint (
IN CONST CHAR8 *Format,
...
)
/*++
Routine Description:
Print function for a maximum of PXE_MAX_PRINT_BUFFER ascii
characters.
Arguments:
Format - Ascii format string see file header for more details.
... - Vararg list consumed by processing Format.
Returns:
Number of characters printed.
--*/
{
UINTN Return;
VA_LIST Marker;
UINTN Index;
UINTN MaxIndex;
CHAR16 Buffer[PXE_MAX_PRINT_BUFFER];
CHAR16 UnicodeFormat[PXE_MAX_PRINT_BUFFER];
MaxIndex = AsciiStrLen ((CHAR8 *) Format);
if (MaxIndex > PXE_MAX_PRINT_BUFFER) {
//
// Format string was too long for use to process.
//
return 0;
}
for (Index = 0; Index < PXE_MAX_PRINT_BUFFER; Index++) {
UnicodeFormat[Index] = (CHAR16) Format[Index];
}
VA_START (Marker, Format);
Return = UnicodeVSPrint (Buffer, sizeof (Buffer), UnicodeFormat, Marker);
VA_END (Marker);
//
// Need to convert to Unicode to do an OutputString
//
if (gST->ConOut != NULL) {
//
// To be extra safe make sure ConOut has been initialized
//
gST->ConOut->OutputString (gST->ConOut, Buffer);
}
return Return;
}