efb2311707
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6984 6f19259b-4bc3-4df7-8a09-765794883524
821 lines
26 KiB
C
821 lines
26 KiB
C
/** @file
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Print Library internal worker functions.
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Copyright (c) 2006 - 2008, 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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#include "PrintLibInternal.h"
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#define WARNING_STATUS_NUMBER 4
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#define ERROR_STATUS_NUMBER 24
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GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 mHexStr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
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GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mStatusString[] = {
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"Success", // RETURN_SUCCESS = 0
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"Warning Unknown Glyph", // RETURN_WARN_UNKNOWN_GLYPH = 1
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"Warning Delete Failure", // RETURN_WARN_DELETE_FAILURE = 2
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"Warning Write Failure", // RETURN_WARN_WRITE_FAILURE = 3
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"Warning Buffer Too Small", // RETURN_WARN_BUFFER_TOO_SMALL = 4
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"Load Error", // RETURN_LOAD_ERROR = 1 | MAX_BIT
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"Invalid Parameter", // RETURN_INVALID_PARAMETER = 2 | MAX_BIT
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"Unsupported", // RETURN_UNSUPPORTED = 3 | MAX_BIT
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"Bad Buffer Size", // RETURN_BAD_BUFFER_SIZE = 4 | MAX_BIT
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"Buffer Too Small", // RETURN_BUFFER_TOO_SMALL, = 5 | MAX_BIT
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"Not Ready", // RETURN_NOT_READY = 6 | MAX_BIT
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"Device Error", // RETURN_DEVICE_ERROR = 7 | MAX_BIT
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"Write Protected", // RETURN_WRITE_PROTECTED = 8 | MAX_BIT
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"Out of Resources", // RETURN_OUT_OF_RESOURCES = 9 | MAX_BIT
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"Volume Corrupt", // RETURN_VOLUME_CORRUPTED = 10 | MAX_BIT
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"Volume Full", // RETURN_VOLUME_FULL = 11 | MAX_BIT
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"No Media", // RETURN_NO_MEDIA = 12 | MAX_BIT
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"Media changed", // RETURN_MEDIA_CHANGED = 13 | MAX_BIT
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"Not Found", // RETURN_NOT_FOUND = 14 | MAX_BIT
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"Access Denied", // RETURN_ACCESS_DENIED = 15 | MAX_BIT
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"No Response", // RETURN_NO_RESPONSE = 16 | MAX_BIT
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"No mapping", // RETURN_NO_MAPPING = 17 | MAX_BIT
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"Time out", // RETURN_TIMEOUT = 18 | MAX_BIT
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"Not started", // RETURN_NOT_STARTED = 19 | MAX_BIT
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"Already started", // RETURN_ALREADY_STARTED = 20 | MAX_BIT
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"Aborted", // RETURN_ABORTED = 21 | MAX_BIT
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"ICMP Error", // RETURN_ICMP_ERROR = 22 | MAX_BIT
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"TFTP Error", // RETURN_TFTP_ERROR = 23 | MAX_BIT
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"Protocol Error" // RETURN_PROTOCOL_ERROR = 24 | MAX_BIT
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};
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/**
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Internal function that places the character into the Buffer.
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Internal function that places ASCII or Unicode character into the Buffer.
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@param Buffer Buffer to place the Unicode or ASCII string.
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@param EndBuffer The end of the input Buffer. No characters will be
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placed after that.
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@param Length Count of character to be placed into Buffer.
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@param Character Character to be placed into Buffer.
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@param Increment Character increment in Buffer.
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@return Buffer Buffer filled with the input Character.
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**/
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CHAR8 *
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BasePrintLibFillBuffer (
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OUT CHAR8 *Buffer,
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IN CHAR8 *EndBuffer,
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IN INTN Length,
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IN UINTN Character,
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IN INTN Increment
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)
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{
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INTN Index;
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for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) {
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*Buffer = (CHAR8) Character;
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*(Buffer + 1) = (CHAR8) (Character >> 8);
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Buffer += Increment;
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}
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return Buffer;
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}
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/**
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Internal function that convert a decimal number to a string in Buffer.
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Print worker function that convert a decimal number to a string in Buffer.
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@param Buffer Location to place the Unicode or ASCII string of Value.
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@param Value Value to convert to a Decimal or Hexidecimal string in Buffer.
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@param Radix Radix of the value
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@return Number of characters printed.
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**/
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UINTN
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BasePrintLibValueToString (
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IN OUT CHAR8 *Buffer,
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IN INT64 Value,
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IN UINTN Radix
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)
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{
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UINTN Digits;
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UINT32 Remainder;
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//
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// Loop to convert one digit at a time in reverse order
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//
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*(Buffer++) = 0;
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Digits = 0;
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do {
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Value = (INT64)DivU64x32Remainder ((UINT64)Value, (UINT32)Radix, &Remainder);
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*(Buffer++) = mHexStr[Remainder];
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Digits++;
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} while (Value != 0);
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//
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// the length of Buffer string converted from Value
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//
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return Digits;
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}
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/**
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Internal function that converts a decimal value to a Null-terminated string.
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Converts the decimal number specified by Value to a Null-terminated
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string specified by Buffer containing at most Width characters.
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If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
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The total number of characters placed in Buffer is returned.
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If the conversion contains more than Width characters, then only the first
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Width characters are returned, and the total number of characters
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required to perform the conversion is returned.
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Additional conversion parameters are specified in Flags.
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The Flags bit LEFT_JUSTIFY is always ignored.
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All conversions are left justified in Buffer.
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If Width is 0, PREFIX_ZERO is ignored in Flags.
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If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas
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are inserted every 3rd digit starting from the right.
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If Value is < 0, then the fist character in Buffer is a '-'.
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If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
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then Buffer is padded with '0' characters so the combination of the optional '-'
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sign character, '0' characters, digit characters for Value, and the Null-terminator
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add up to Width characters.
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If Buffer is NULL, then ASSERT().
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If unsupported bits are set in Flags, then ASSERT().
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If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
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@param Buffer Pointer to the output buffer for the produced Null-terminated
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string.
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@param Flags The bitmask of flags that specify left justification, zero pad,
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and commas.
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@param Value The 64-bit signed value to convert to a string.
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@param Width The maximum number of characters to place in Buffer, not including
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the Null-terminator.
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@param Increment Character increment in Buffer.
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@return Total number of characters required to perform the conversion.
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**/
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UINTN
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BasePrintLibConvertValueToString (
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IN OUT CHAR8 *Buffer,
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IN UINTN Flags,
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IN INT64 Value,
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IN UINTN Width,
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IN UINTN Increment
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)
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{
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CHAR8 *OriginalBuffer;
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CHAR8 *EndBuffer;
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CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];
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UINTN Count;
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UINTN Digits;
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UINTN Index;
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UINTN Radix;
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//
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// Make sure Buffer is not NULL and Width < MAXIMUM
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//
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ASSERT (Buffer != NULL);
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ASSERT (Width < MAXIMUM_VALUE_CHARACTERS);
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//
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// Make sure Flags can only contain supported bits.
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//
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ASSERT ((Flags & ~(LEFT_JUSTIFY | COMMA_TYPE | PREFIX_ZERO | RADIX_HEX)) == 0);
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//
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// If both COMMA_TYPE and HEX_RADIX are set, then ASSERT ()
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//
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ASSERT (((Flags & COMMA_TYPE) != 0 && (Flags & RADIX_HEX) != 0) == FALSE);
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OriginalBuffer = Buffer;
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//
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// Width is 0 or COMMA_TYPE is set, PREFIX_ZERO is ignored.
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//
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if (Width == 0 || (Flags & COMMA_TYPE) != 0) {
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Flags &= (~PREFIX_ZERO);
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}
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//
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// If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
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//
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if (Width == 0) {
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Width = MAXIMUM_VALUE_CHARACTERS - 1;
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}
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//
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// Set the tag for the end of the input Buffer.
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//
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EndBuffer = Buffer + Width * Increment;
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//
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// Convert decimal negative
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//
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if ((Value < 0) && ((Flags & RADIX_HEX) == 0)) {
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Value = -Value;
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Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, '-', Increment);
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Width--;
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}
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//
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// Count the length of the value string.
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//
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Radix = ((Flags & RADIX_HEX) == 0)? 10 : 16;
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Count = BasePrintLibValueToString (ValueBuffer, Value, Radix);
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//
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// Append Zero
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//
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if ((Flags & PREFIX_ZERO) != 0) {
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Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Count, '0', Increment);
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}
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//
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// Print Comma type for every 3 characters
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//
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Digits = Count % 3;
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if (Digits != 0) {
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Digits = 3 - Digits;
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}
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for (Index = 0; Index < Count; Index++) {
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Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ValueBuffer[Count - Index], Increment);
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if ((Flags & COMMA_TYPE) != 0) {
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Digits++;
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if (Digits == 3) {
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Digits = 0;
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if ((Index + 1) < Count) {
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Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ',', Increment);
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}
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}
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}
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}
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//
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// Print Null-terminator
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//
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BasePrintLibFillBuffer (Buffer, EndBuffer + Increment, 1, 0, Increment);
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return ((Buffer - OriginalBuffer) / Increment);
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}
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/**
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Worker function that produces a Null-terminated string in an output buffer
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based on a Null-terminated format string and a VA_LIST argument list.
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VSPrint function to process format and place the results in Buffer. Since a
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VA_LIST is used this rountine allows the nesting of Vararg routines. Thus
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this is the main print working routine.
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@param Buffer Character buffer to print the results of the parsing
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of Format into.
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@param BufferSize Maximum number of characters to put into buffer.
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@param Flags Intial flags value.
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Can only have FORMAT_UNICODE and OUTPUT_UNICODE set.
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@param Format Null-terminated format string.
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@param Marker Vararg list consumed by processing Format.
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@return Number of characters printed not including the Null-terminator.
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**/
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UINTN
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BasePrintLibVSPrint (
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OUT CHAR8 *Buffer,
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IN UINTN BufferSize,
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IN UINTN Flags,
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IN CONST CHAR8 *Format,
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IN VA_LIST Marker
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)
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{
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CHAR8 *OriginalBuffer;
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CHAR8 *EndBuffer;
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CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];
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UINTN BytesPerOutputCharacter;
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UINTN BytesPerFormatCharacter;
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UINTN FormatMask;
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UINTN FormatCharacter;
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UINTN Width;
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UINTN Precision;
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INT64 Value;
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CONST CHAR8 *ArgumentString;
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UINTN Character;
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GUID *TmpGuid;
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TIME *TmpTime;
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UINTN Count;
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UINTN ArgumentMask;
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INTN BytesPerArgumentCharacter;
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UINTN ArgumentCharacter;
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BOOLEAN Done;
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UINTN Index;
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CHAR8 Prefix;
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BOOLEAN ZeroPad;
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BOOLEAN Comma;
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UINTN Digits;
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UINTN Radix;
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RETURN_STATUS Status;
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if (BufferSize == 0) {
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return 0;
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}
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ASSERT (Buffer != NULL);
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if ((Flags & OUTPUT_UNICODE) != 0) {
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BytesPerOutputCharacter = 2;
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} else {
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BytesPerOutputCharacter = 1;
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}
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//
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// Reserve space for the Null terminator.
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//
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BufferSize--;
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OriginalBuffer = Buffer;
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//
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// Set the tag for the end of the input Buffer.
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//
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EndBuffer = Buffer + BufferSize * BytesPerOutputCharacter;
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if ((Flags & FORMAT_UNICODE) != 0) {
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//
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// Make sure format string cannot contain more than PcdMaximumUnicodeStringLength
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// Unicode characters if PcdMaximumUnicodeStringLength is not zero.
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//
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ASSERT (StrSize ((CHAR16 *) Format) != 0);
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BytesPerFormatCharacter = 2;
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FormatMask = 0xffff;
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} else {
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//
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// Make sure format string cannot contain more than PcdMaximumAsciiStringLength
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// Ascii characters if PcdMaximumAsciiStringLength is not zero.
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//
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ASSERT (AsciiStrSize (Format) != 0);
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BytesPerFormatCharacter = 1;
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FormatMask = 0xff;
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}
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//
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// Get the first character from the format string
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//
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FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
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//
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// Loop until the end of the format string is reached or the output buffer is full
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//
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while (FormatCharacter != 0 && Buffer < EndBuffer) {
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//
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// Clear all the flag bits except those that may have been passed in
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//
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Flags &= (OUTPUT_UNICODE | FORMAT_UNICODE);
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//
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// Set the default width to zero, and the default precision to 1
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//
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Width = 0;
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Precision = 1;
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Prefix = 0;
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Comma = FALSE;
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ZeroPad = FALSE;
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Count = 0;
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Digits = 0;
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switch (FormatCharacter) {
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case '%':
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//
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// Parse Flags and Width
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//
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for (Done = FALSE; !Done; ) {
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Format += BytesPerFormatCharacter;
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FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
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switch (FormatCharacter) {
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case '.':
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Flags |= PRECISION;
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break;
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case '-':
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Flags |= LEFT_JUSTIFY;
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break;
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case '+':
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Flags |= PREFIX_SIGN;
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break;
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case ' ':
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Flags |= PREFIX_BLANK;
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break;
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case ',':
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Flags |= COMMA_TYPE;
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break;
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case 'L':
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case 'l':
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Flags |= LONG_TYPE;
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break;
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case '*':
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if ((Flags & PRECISION) == 0) {
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Flags |= PAD_TO_WIDTH;
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Width = VA_ARG (Marker, UINTN);
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} else {
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Precision = VA_ARG (Marker, UINTN);
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}
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break;
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case '0':
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if ((Flags & PRECISION) == 0) {
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Flags |= PREFIX_ZERO;
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}
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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for (Count = 0; ((FormatCharacter >= '0') && (FormatCharacter <= '9')); ){
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Count = (Count * 10) + FormatCharacter - '0';
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Format += BytesPerFormatCharacter;
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FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
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}
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Format -= BytesPerFormatCharacter;
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if ((Flags & PRECISION) == 0) {
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Flags |= PAD_TO_WIDTH;
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Width = Count;
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} else {
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Precision = Count;
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}
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break;
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case '\0':
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//
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// Make no output if Format string terminates unexpectedly when
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// looking up for flag, width, precision and type.
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//
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Format -= BytesPerFormatCharacter;
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Precision = 0;
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//
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// break skipped on purpose.
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//
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default:
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Done = TRUE;
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break;
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}
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}
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//
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// Handle each argument type
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//
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switch (FormatCharacter) {
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case 'p':
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//
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// Flag space, +, 0, L & l are invalid for type p.
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//
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Flags &= ~(PREFIX_BLANK | PREFIX_SIGN | PREFIX_ZERO | LONG_TYPE);
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if (sizeof (VOID *) > 4) {
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Flags |= LONG_TYPE;
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}
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case 'X':
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Flags |= PREFIX_ZERO;
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//
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// break skipped on purpose
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//
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case 'x':
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Flags |= RADIX_HEX;
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//
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// break skipped on purpose
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//
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case 'd':
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if ((Flags & LONG_TYPE) == 0) {
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Value = (VA_ARG (Marker, int));
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} else {
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Value = VA_ARG (Marker, INT64);
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}
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if ((Flags & PREFIX_BLANK) != 0) {
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Prefix = ' ';
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}
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if ((Flags & PREFIX_SIGN) != 0) {
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Prefix = '+';
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}
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if ((Flags & COMMA_TYPE) != 0) {
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Comma = TRUE;
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}
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if ((Flags & RADIX_HEX) == 0) {
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Radix = 10;
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if (Comma) {
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Flags &= (~PREFIX_ZERO);
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Precision = 1;
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}
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if (Value < 0) {
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Flags |= PREFIX_SIGN;
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Prefix = '-';
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Value = -Value;
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}
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} else {
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Radix = 16;
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Comma = FALSE;
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if ((Flags & LONG_TYPE) == 0 && Value < 0) {
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Value = (unsigned int)Value;
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}
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}
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//
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// Convert Value to a reversed string
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//
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Count = BasePrintLibValueToString (ValueBuffer, Value, Radix);
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if (Value == 0 && Precision == 0) {
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Count = 0;
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}
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ArgumentString = (CHAR8 *)ValueBuffer + Count;
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Digits = Count % 3;
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if (Digits != 0) {
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Digits = 3 - Digits;
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}
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if (Comma && Count != 0) {
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Count += ((Count - 1) / 3);
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}
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if (Prefix != 0) {
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Count++;
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Precision++;
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}
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Flags |= ARGUMENT_REVERSED;
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ZeroPad = TRUE;
|
|
if ((Flags & PREFIX_ZERO) != 0) {
|
|
if ((Flags & LEFT_JUSTIFY) == 0) {
|
|
if ((Flags & PAD_TO_WIDTH) != 0) {
|
|
if ((Flags & PRECISION) == 0) {
|
|
Precision = Width;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 's':
|
|
case 'S':
|
|
Flags |= ARGUMENT_UNICODE;
|
|
//
|
|
// break skipped on purpose
|
|
//
|
|
case 'a':
|
|
ArgumentString = (CHAR8 *)VA_ARG (Marker, CHAR8 *);
|
|
if (ArgumentString == NULL) {
|
|
Flags &= (~ARGUMENT_UNICODE);
|
|
ArgumentString = "<null string>";
|
|
}
|
|
//
|
|
// Set the default precision for string to be zero if not specified.
|
|
//
|
|
if ((Flags & PRECISION) == 0) {
|
|
Precision = 0;
|
|
}
|
|
break;
|
|
|
|
case 'c':
|
|
Character = VA_ARG (Marker, UINTN) & 0xffff;
|
|
ArgumentString = (CHAR8 *)&Character;
|
|
Flags |= ARGUMENT_UNICODE;
|
|
break;
|
|
|
|
case 'g':
|
|
TmpGuid = VA_ARG (Marker, GUID *);
|
|
if (TmpGuid == NULL) {
|
|
ArgumentString = "<null guid>";
|
|
} else {
|
|
BasePrintLibSPrint (
|
|
ValueBuffer,
|
|
MAXIMUM_VALUE_CHARACTERS,
|
|
0,
|
|
"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
|
|
TmpGuid->Data1,
|
|
TmpGuid->Data2,
|
|
TmpGuid->Data3,
|
|
TmpGuid->Data4[0],
|
|
TmpGuid->Data4[1],
|
|
TmpGuid->Data4[2],
|
|
TmpGuid->Data4[3],
|
|
TmpGuid->Data4[4],
|
|
TmpGuid->Data4[5],
|
|
TmpGuid->Data4[6],
|
|
TmpGuid->Data4[7]
|
|
);
|
|
ArgumentString = ValueBuffer;
|
|
}
|
|
break;
|
|
|
|
case 't':
|
|
TmpTime = VA_ARG (Marker, TIME *);
|
|
if (TmpTime == NULL) {
|
|
ArgumentString = "<null time>";
|
|
} else {
|
|
BasePrintLibSPrint (
|
|
ValueBuffer,
|
|
MAXIMUM_VALUE_CHARACTERS,
|
|
0,
|
|
"%02d/%02d/%04d %02d:%02d",
|
|
TmpTime->Month,
|
|
TmpTime->Day,
|
|
TmpTime->Year,
|
|
TmpTime->Hour,
|
|
TmpTime->Minute
|
|
);
|
|
ArgumentString = ValueBuffer;
|
|
}
|
|
break;
|
|
|
|
case 'r':
|
|
Status = VA_ARG (Marker, RETURN_STATUS);
|
|
ArgumentString = ValueBuffer;
|
|
if (RETURN_ERROR (Status)) {
|
|
//
|
|
// Clear error bit
|
|
//
|
|
Index = Status & ~MAX_BIT;
|
|
if (Index > 0 && Index <= ERROR_STATUS_NUMBER) {
|
|
ArgumentString = mStatusString [Index + WARNING_STATUS_NUMBER];
|
|
}
|
|
} else {
|
|
Index = Status;
|
|
if (Index <= WARNING_STATUS_NUMBER) {
|
|
ArgumentString = mStatusString [Index];
|
|
}
|
|
}
|
|
if (ArgumentString == ValueBuffer) {
|
|
BasePrintLibSPrint ((CHAR8 *) ValueBuffer, MAXIMUM_VALUE_CHARACTERS, 0, "%08X", Status);
|
|
}
|
|
break;
|
|
|
|
case '\n':
|
|
ArgumentString = "\n\r";
|
|
break;
|
|
|
|
case '%':
|
|
default:
|
|
//
|
|
// if the type is '%' or unknown, then print it to the screen
|
|
//
|
|
ArgumentString = (CHAR8 *)&FormatCharacter;
|
|
Flags |= ARGUMENT_UNICODE;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case '\n':
|
|
ArgumentString = "\n\r";
|
|
break;
|
|
|
|
default:
|
|
ArgumentString = (CHAR8 *)&FormatCharacter;
|
|
Flags |= ARGUMENT_UNICODE;
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Retrieve the ArgumentString attriubutes
|
|
//
|
|
if ((Flags & ARGUMENT_UNICODE) != 0) {
|
|
ArgumentMask = 0xffff;
|
|
BytesPerArgumentCharacter = 2;
|
|
} else {
|
|
ArgumentMask = 0xff;
|
|
BytesPerArgumentCharacter = 1;
|
|
}
|
|
if ((Flags & ARGUMENT_REVERSED) != 0) {
|
|
BytesPerArgumentCharacter = -BytesPerArgumentCharacter;
|
|
} else {
|
|
//
|
|
// Compute the number of characters in ArgumentString and store it in Count
|
|
// ArgumentString is either null-terminated, or it contains Precision characters
|
|
//
|
|
for (Count = 0; Count < Precision || ((Flags & PRECISION) == 0); Count++) {
|
|
ArgumentCharacter = ((ArgumentString[Count * BytesPerArgumentCharacter] & 0xff) | ((ArgumentString[Count * BytesPerArgumentCharacter + 1]) << 8)) & ArgumentMask;
|
|
if (ArgumentCharacter == 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (Precision < Count) {
|
|
Precision = Count;
|
|
}
|
|
|
|
//
|
|
// Pad before the string
|
|
//
|
|
if ((Flags & (PAD_TO_WIDTH | LEFT_JUSTIFY)) == (PAD_TO_WIDTH)) {
|
|
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Precision, ' ', BytesPerOutputCharacter);
|
|
}
|
|
|
|
if (ZeroPad) {
|
|
if (Prefix != 0) {
|
|
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, Prefix, BytesPerOutputCharacter);
|
|
}
|
|
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Precision - Count, '0', BytesPerOutputCharacter);
|
|
} else {
|
|
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Precision - Count, ' ', BytesPerOutputCharacter);
|
|
if (Prefix != 0) {
|
|
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, Prefix, BytesPerOutputCharacter);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Output the Prefix character if it is present
|
|
//
|
|
Index = 0;
|
|
if (Prefix != 0) {
|
|
Index++;
|
|
}
|
|
|
|
//
|
|
// Copy the string into the output buffer performing the required type conversions
|
|
//
|
|
while (Index < Count) {
|
|
ArgumentCharacter = ((*ArgumentString & 0xff) | (*(ArgumentString + 1) << 8)) & ArgumentMask;
|
|
|
|
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ArgumentCharacter, BytesPerOutputCharacter);
|
|
ArgumentString += BytesPerArgumentCharacter;
|
|
Index++;
|
|
if (Comma) {
|
|
Digits++;
|
|
if (Digits == 3) {
|
|
Digits = 0;
|
|
Index++;
|
|
if (Index < Count) {
|
|
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ',', BytesPerOutputCharacter);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Pad after the string
|
|
//
|
|
if ((Flags & (PAD_TO_WIDTH | LEFT_JUSTIFY)) == (PAD_TO_WIDTH | LEFT_JUSTIFY)) {
|
|
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Precision, ' ', BytesPerOutputCharacter);
|
|
}
|
|
|
|
//
|
|
// Get the next character from the format string
|
|
//
|
|
Format += BytesPerFormatCharacter;
|
|
|
|
//
|
|
// Get the next character from the format string
|
|
//
|
|
FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
|
|
}
|
|
|
|
//
|
|
// Null terminate the Unicode or ASCII string
|
|
//
|
|
BasePrintLibFillBuffer (Buffer, EndBuffer + BytesPerOutputCharacter, 1, 0, BytesPerOutputCharacter);
|
|
//
|
|
// Make sure output buffer cannot contain more than PcdMaximumUnicodeStringLength
|
|
// Unicode characters if PcdMaximumUnicodeStringLength is not zero.
|
|
//
|
|
ASSERT ((((Flags & OUTPUT_UNICODE) == 0)) || (StrSize ((CHAR16 *) OriginalBuffer) != 0));
|
|
//
|
|
// Make sure output buffer cannot contain more than PcdMaximumAsciiStringLength
|
|
// ASCII characters if PcdMaximumAsciiStringLength is not zero.
|
|
//
|
|
ASSERT ((((Flags & OUTPUT_UNICODE) != 0)) || (AsciiStrSize (OriginalBuffer) != 0));
|
|
|
|
return ((Buffer - OriginalBuffer) / BytesPerOutputCharacter);
|
|
}
|
|
|
|
/**
|
|
Worker function that produces a Null-terminated string in an output buffer
|
|
based on a Null-terminated format string and variable argument list.
|
|
|
|
VSPrint function to process format and place the results in Buffer. Since a
|
|
VA_LIST is used this rountine allows the nesting of Vararg routines. Thus
|
|
this is the main print working routine
|
|
|
|
@param StartOfBuffer Character buffer to print the results of the parsing
|
|
of Format into.
|
|
@param BufferSize Maximum number of characters to put into buffer.
|
|
Zero means no limit.
|
|
@param Flags Intial flags value.
|
|
Can only have FORMAT_UNICODE and OUTPUT_UNICODE set
|
|
@param FormatString Null-terminated format string.
|
|
@param ... The variable argument list.
|
|
|
|
@return Number of characters printed.
|
|
|
|
**/
|
|
UINTN
|
|
BasePrintLibSPrint (
|
|
OUT CHAR8 *StartOfBuffer,
|
|
IN UINTN BufferSize,
|
|
IN UINTN Flags,
|
|
IN CONST CHAR8 *FormatString,
|
|
...
|
|
)
|
|
{
|
|
VA_LIST Marker;
|
|
|
|
VA_START (Marker, FormatString);
|
|
return BasePrintLibVSPrint (StartOfBuffer, BufferSize, Flags, FormatString, Marker);
|
|
}
|