Initial import.

[mirror_edk2.git] / EdkModulePkg / Universal / Network / PxeBc / Dxe / Print.c

/*++\r
Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module Name:\r
        Print.c\r
\r
Abstract:\r
\r
--*/\r
\r
\r
#include <Bc.h>\r
\r
UINTN\r
EFIAPI\r
AsciiPrint (\r
  IN CONST CHAR8 *Format,\r
  ...\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Print function for a maximum of PXE_MAX_PRINT_BUFFER ascii \r
  characters.\r
\r
Arguments:\r
\r
  Format - Ascii format string see file header for more details.\r
\r
  ...    - Vararg list consumed by processing Format.\r
\r
Returns: \r
\r
  Number of characters printed.\r
\r
--*/\r
{\r
  UINTN   Return;\r
  VA_LIST Marker;\r
  UINTN   Index;\r
  UINTN   MaxIndex;\r
  CHAR16  Buffer[PXE_MAX_PRINT_BUFFER];\r
  CHAR16  UnicodeFormat[PXE_MAX_PRINT_BUFFER];\r
\r
  MaxIndex = AsciiStrLen ((CHAR8 *) Format);\r
  if (MaxIndex > PXE_MAX_PRINT_BUFFER) {\r
    //\r
    // Format string was too long for use to process.\r
    //\r
    return 0;\r
  }\r
\r
  for (Index = 0; Index < PXE_MAX_PRINT_BUFFER; Index++) {\r
    UnicodeFormat[Index] = (CHAR16) Format[Index];\r
  }\r
\r
  VA_START (Marker, Format);\r
  Return = UnicodeVSPrint (Buffer, sizeof (Buffer), UnicodeFormat, Marker);\r
  VA_END (Marker);\r
\r
  //\r
  // Need to convert to Unicode to do an OutputString\r
  //\r
\r
  if (gST->ConOut != NULL) {\r
    //\r
    // To be extra safe make sure ConOut has been initialized\r
    //\r
    gST->ConOut->OutputString (gST->ConOut, Buffer);\r
  }\r
\r
  return Return;\r
}\r