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/** @file
Base Print Library instance implementation.
Copyright (c) 2006 - 2008, Intel Corporation<BR>
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.
**/
#include "PrintLibInternal.h"
#define ASSERT_UNICODE_BUFFER(Buffer) ASSERT ((((UINTN) (Buffer)) & 0x01) == 0)
/**
Produces a Null-terminated Unicode string in an output buffer based on
a Null-terminated Unicode format string and a VA_LIST argument list
Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
and BufferSize.
The Unicode string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list specified by Marker based on the
contents of the format string.
The number of Unicode characters in the produced output buffer is returned not including
the Null-terminator.
If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned.
If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT().
If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT().
If BufferSize > 1 and FormatString is NULL, then ASSERT().
If BufferSize > 1 and FormatString is not aligned on a 16-bit boundary, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then
ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength Unicode characters not including the
Null-terminator, then ASSERT().
@param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
Unicode string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@param Marker VA_LIST marker for the variable argument list.
@return The number of Unicode characters in the produced output buffer not including the
Null-terminator.
**/
UINTN
EFIAPI
UnicodeVSPrint (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR16 *FormatString,
IN VA_LIST Marker
)
{
ASSERT_UNICODE_BUFFER(StartOfBuffer);
ASSERT_UNICODE_BUFFER(FormatString);
return BasePrintLibVSPrint ((CHAR8 *)StartOfBuffer, BufferSize >> 1, FORMAT_UNICODE | OUTPUT_UNICODE, (CHAR8 *)FormatString, Marker);
}
/**
Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
Unicode format string and variable argument list.
Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
and BufferSize.
The Unicode string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list based on the contents of the format string.
The number of Unicode characters in the produced output buffer is returned not including
the Null-terminator.
If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned.
If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT().
If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT().
If BufferSize > 1 and FormatString is NULL, then ASSERT().
If BufferSize > 1 and FormatString is not aligned on a 16-bit boundary, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then
ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength Unicode characters not including the
Null-terminator, then ASSERT().
@param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
Unicode string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@param ... Variable argument list whose contents are accessed based on the
format string specified by FormatString.
@return The number of Unicode characters in the produced output buffer not including the
Null-terminator.
**/
UINTN
EFIAPI
UnicodeSPrint (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR16 *FormatString,
...
)
{
VA_LIST Marker;
VA_START (Marker, FormatString);
return UnicodeVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
}
/**
Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
ASCII format string and a VA_LIST argument list
Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
and BufferSize.
The Unicode string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list specified by Marker based on the
contents of the format string.
The number of Unicode characters in the produced output buffer is returned not including
the Null-terminator.
If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned.
If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT().
If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT().
If BufferSize > 1 and FormatString is NULL, then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then
ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength Unicode characters not including the
Null-terminator, then ASSERT().
@param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
Unicode string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated ASCII format string.
@param Marker VA_LIST marker for the variable argument list.
@return The number of Unicode characters in the produced output buffer not including the
Null-terminator.
**/
UINTN
EFIAPI
UnicodeVSPrintAsciiFormat (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR8 *FormatString,
IN VA_LIST Marker
)
{
ASSERT_UNICODE_BUFFER(StartOfBuffer);
return BasePrintLibVSPrint ((CHAR8 *)StartOfBuffer, BufferSize >> 1, OUTPUT_UNICODE,FormatString, Marker);
}
/**
Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
ASCII format string and variable argument list.
Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
and BufferSize.
The Unicode string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list based on the contents of the
format string.
The number of Unicode characters in the produced output buffer is returned not including
the Null-terminator.
If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned.
If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT().
If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT().
If BufferSize > 1 and FormatString is NULL, then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then
ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
contains more than PcdMaximumUnicodeStringLength Unicode characters not including the
Null-terminator, then ASSERT().
@param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
Unicode string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated ASCII format string.
@param ... Variable argument list whose contents are accessed based on the
format string specified by FormatString.
@return The number of Unicode characters in the produced output buffer not including the
Null-terminator.
**/
UINTN
EFIAPI
UnicodeSPrintAsciiFormat (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR8 *FormatString,
...
)
{
VA_LIST Marker;
VA_START (Marker, FormatString);
return UnicodeVSPrintAsciiFormat (StartOfBuffer, BufferSize, FormatString, Marker);
}
/**
Converts a decimal value to a Null-terminated Unicode string.
Converts the decimal number specified by Value to a Null-terminated Unicode
string specified by Buffer containing at most Width characters. No padding of spaces
is ever performed. If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
The number of Unicode characters in Buffer is returned not including the Null-terminator.
If the conversion contains more than Width characters, then only the first
Width characters are returned, and the total number of characters
required to perform the conversion is returned.
Additional conversion parameters are specified in Flags.
The Flags bit LEFT_JUSTIFY is always ignored.
All conversions are left justified in Buffer.
If Width is 0, PREFIX_ZERO is ignored in Flags.
If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas
are inserted every 3rd digit starting from the right.
If HEX_RADIX is set in Flags, then the output buffer will be
formatted in hexadecimal format.
If Value is < 0 and HEX_RADIX is not set in Flags, then the fist character in Buffer is a '-'.
If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
then Buffer is padded with '0' characters so the combination of the optional '-'
sign character, '0' characters, digit characters for Value, and the Null-terminator
add up to Width characters.
If both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT().
If Buffer is NULL, then ASSERT().
If Buffer is not aligned on a 16-bit boundary, then ASSERT().
If unsupported bits are set in Flags, then ASSERT().
If both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT().
If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
@param Buffer Pointer to the output buffer for the produced Null-terminated
Unicode string.
@param Flags The bitmask of flags that specify left justification, zero pad, and commas.
@param Value The 64-bit signed value to convert to a string.
@param Width The maximum number of Unicode characters to place in Buffer, not including
the Null-terminator.
@return The number of Unicode characters in Buffer not including the Null-terminator.
**/
UINTN
EFIAPI
UnicodeValueToString (
IN OUT CHAR16 *Buffer,
IN UINTN Flags,
IN INT64 Value,
IN UINTN Width
)
{
ASSERT_UNICODE_BUFFER(Buffer);
return BasePrintLibConvertValueToString ((CHAR8 *)Buffer, Flags, Value, Width, 2);
}
/**
Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
ASCII format string and a VA_LIST argument list.
Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
and BufferSize.
The ASCII string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list specified by Marker based on
the contents of the format string.
The number of ASCII characters in the produced output buffer is returned not including
the Null-terminator.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize > 0 and FormatString is NULL, then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then
ASSERT().
If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string
contains more than PcdMaximumAsciiStringLength ASCII characters not including the
Null-terminator, then ASSERT().
@param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
ASCII string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated ASCII format string.
@param Marker VA_LIST marker for the variable argument list.
@return The number of ASCII characters in the produced output buffer not including the
Null-terminator.
**/
UINTN
EFIAPI
AsciiVSPrint (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR8 *FormatString,
IN VA_LIST Marker
)
{
return BasePrintLibVSPrint (StartOfBuffer, BufferSize, 0, FormatString, Marker);
}
/**
Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
ASCII format string and variable argument list.
Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
and BufferSize.
The ASCII string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list based on the contents of the
format string.
The number of ASCII characters in the produced output buffer is returned not including
the Null-terminator.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize > 0 and FormatString is NULL, then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then
ASSERT().
If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string
contains more than PcdMaximumAsciiStringLength ASCII characters not including the
Null-terminator, then ASSERT().
@param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
ASCII string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated ASCII format string.
@param ... Variable argument list whose contents are accessed based on the
format string specified by FormatString.
@return The number of ASCII characters in the produced output buffer not including the
Null-terminator.
**/
UINTN
EFIAPI
AsciiSPrint (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR8 *FormatString,
...
)
{
VA_LIST Marker;
VA_START (Marker, FormatString);
return AsciiVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
}
/**
Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
Unicode format string and a VA_LIST argument list.
Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
and BufferSize.
The ASCII string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list specified by Marker based on
the contents of the format string.
The number of ASCII characters in the produced output buffer is returned not including
the Null-terminator.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize > 0 and FormatString is NULL, then ASSERT().
If BufferSize > 0 and FormatString is not aligned on a 16-bit boundary, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then
ASSERT().
If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string
contains more than PcdMaximumAsciiStringLength ASCII characters not including the
Null-terminator, then ASSERT().
@param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
ASCII string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@param Marker VA_LIST marker for the variable argument list.
@return The number of ASCII characters in the produced output buffer not including the
Null-terminator.
**/
UINTN
EFIAPI
AsciiVSPrintUnicodeFormat (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR16 *FormatString,
IN VA_LIST Marker
)
{
ASSERT_UNICODE_BUFFER (FormatString);
return BasePrintLibVSPrint (StartOfBuffer, BufferSize, FORMAT_UNICODE, (CHAR8 *)FormatString, Marker);
}
/**
Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
Unicode format string and variable argument list.
Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
and BufferSize.
The ASCII string is produced by parsing the format string specified by FormatString.
Arguments are pulled from the variable argument list based on the contents of the
format string.
The number of ASCII characters in the produced output buffer is returned not including
the Null-terminator.
If BufferSize is 0, then no output buffer is produced and 0 is returned.
If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT().
If BufferSize > 0 and FormatString is NULL, then ASSERT().
If BufferSize > 0 and FormatString is not aligned on a 16-bit boundary, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then
ASSERT().
If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string
contains more than PcdMaximumAsciiStringLength ASCII characters not including the
Null-terminator, then ASSERT().
@param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
ASCII string.
@param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
@param FormatString Null-terminated Unicode format string.
@param ... Variable argument list whose contents are accessed based on the
format string specified by FormatString.
@return The number of ASCII characters in the produced output buffer not including the
Null-terminator.
**/
UINTN
EFIAPI
AsciiSPrintUnicodeFormat (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN CONST CHAR16 *FormatString,
...
)
{
VA_LIST Marker;
VA_START (Marker, FormatString);
return AsciiVSPrintUnicodeFormat (StartOfBuffer, BufferSize, FormatString, Marker);
}
/**
Converts a decimal value to a Null-terminated ASCII string.
Converts the decimal number specified by Value to a Null-terminated ASCII string
specified by Buffer containing at most Width characters. No padding of spaces
is ever performed.
If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
The number of ASCII characters in Buffer is returned not including the Null-terminator.
If the conversion contains more than Width characters, then only the first Width
characters are returned, and the total number of characters required to perform
the conversion is returned.
Additional conversion parameters are specified in Flags.
The Flags bit LEFT_JUSTIFY is always ignored.
All conversions are left justified in Buffer.
If Width is 0, PREFIX_ZERO is ignored in Flags.
If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas
are inserted every 3rd digit starting from the right.
If HEX_RADIX is set in Flags, then the output buffer will be
formatted in hexadecimal format.
If Value is < 0 and HEX_RADIX is not set in Flags, then the fist character in Buffer is a '-'.
If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
then Buffer is padded with '0' characters so the combination of the optional '-'
sign character, '0' characters, digit characters for Value, and the Null-terminator
add up to Width characters.
If Buffer is NULL, then ASSERT().
If unsupported bits are set in Flags, then ASSERT().
If both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT().
If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
@param Buffer Pointer to the output buffer for the produced Null-terminated
ASCII string.
@param Flags The bitmask of flags that specify left justification, zero pad, and commas.
@param Value The 64-bit signed value to convert to a string.
@param Width The maximum number of ASCII characters to place in Buffer, not including
the Null-terminator.
@return The number of ASCII characters in Buffer not including the Null-terminator.
**/
UINTN
EFIAPI
AsciiValueToString (
OUT CHAR8 *Buffer,
IN UINTN Flags,
IN INT64 Value,
IN UINTN Width
)
{
return BasePrintLibConvertValueToString (Buffer, Flags, Value, Width, 1);
}
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