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rtems/bsps/shared/acpi/acpica/utilities/utprint.c
Matheus Pecoraro 5d6094c42c ACPICA: Initial ACPICA code import 
ACPICA commit a8b050df914875839b717a51e1b32d6c6b86ae96
2024-08-06 21:28:15 +00:00

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/******************************************************************************
*
* Module Name: utprint - Formatted printing routines
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************
*
* Alternatively, you may choose to be licensed under the terms of the
* following license:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Alternatively, you may choose to be licensed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
*****************************************************************************/
#include "acpi.h"
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utprint")
#define ACPI_FORMAT_SIGN 0x01
#define ACPI_FORMAT_SIGN_PLUS 0x02
#define ACPI_FORMAT_SIGN_PLUS_SPACE 0x04
#define ACPI_FORMAT_ZERO 0x08
#define ACPI_FORMAT_LEFT 0x10
#define ACPI_FORMAT_UPPER 0x20
#define ACPI_FORMAT_PREFIX 0x40
/* Local prototypes */
static ACPI_SIZE
AcpiUtBoundStringLength (
const char *String,
ACPI_SIZE Count);
static char *
AcpiUtBoundStringOutput (
char *String,
const char *End,
char c);
static char *
AcpiUtFormatNumber (
char *String,
char *End,
UINT64 Number,
UINT8 Base,
INT32 Width,
INT32 Precision,
UINT8 Type);
static char *
AcpiUtPutNumber (
char *String,
UINT64 Number,
UINT8 Base,
BOOLEAN Upper);
/*******************************************************************************
*
* FUNCTION: AcpiUtBoundStringLength
*
* PARAMETERS: String - String with boundary
* Count - Boundary of the string
*
* RETURN: Length of the string. Less than or equal to Count.
*
* DESCRIPTION: Calculate the length of a string with boundary.
*
******************************************************************************/
static ACPI_SIZE
AcpiUtBoundStringLength (
const char *String,
ACPI_SIZE Count)
{
UINT32 Length = 0;
while (*String && Count)
{
Length++;
String++;
Count--;
}
return (Length);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtBoundStringOutput
*
* PARAMETERS: String - String with boundary
* End - Boundary of the string
* c - Character to be output to the string
*
* RETURN: Updated position for next valid character
*
* DESCRIPTION: Output a character into a string with boundary check.
*
******************************************************************************/
static char *
AcpiUtBoundStringOutput (
char *String,
const char *End,
char c)
{
if (String < End)
{
*String = c;
}
++String;
return (String);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtPutNumber
*
* PARAMETERS: String - Buffer to hold reverse-ordered string
* Number - Integer to be converted
* Base - Base of the integer
* Upper - Whether or not using upper cased digits
*
* RETURN: Updated position for next valid character
*
* DESCRIPTION: Convert an integer into a string, note that, the string holds a
* reversed ordered number without the trailing zero.
*
******************************************************************************/
static char *
AcpiUtPutNumber (
char *String,
UINT64 Number,
UINT8 Base,
BOOLEAN Upper)
{
const char *Digits;
UINT64 DigitIndex;
char *Pos;
Pos = String;
Digits = Upper ? AcpiGbl_UpperHexDigits : AcpiGbl_LowerHexDigits;
if (Number == 0)
{
*(Pos++) = '0';
}
else
{
while (Number)
{
(void) AcpiUtDivide (Number, Base, &Number, &DigitIndex);
*(Pos++) = Digits[DigitIndex];
}
}
/* *(Pos++) = '0'; */
return (Pos);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtScanNumber
*
* PARAMETERS: String - String buffer
* NumberPtr - Where the number is returned
*
* RETURN: Updated position for next valid character
*
* DESCRIPTION: Scan a string for a decimal integer.
*
******************************************************************************/
const char *
AcpiUtScanNumber (
const char *String,
UINT64 *NumberPtr)
{
UINT64 Number = 0;
while (isdigit ((int) *String))
{
AcpiUtShortMultiply (Number, 10, &Number);
Number += *(String++) - '0';
}
*NumberPtr = Number;
return (String);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtPrintNumber
*
* PARAMETERS: String - String buffer
* Number - The number to be converted
*
* RETURN: Updated position for next valid character
*
* DESCRIPTION: Print a decimal integer into a string.
*
******************************************************************************/
const char *
AcpiUtPrintNumber (
char *String,
UINT64 Number)
{
char AsciiString[20];
const char *Pos1;
char *Pos2;
Pos1 = AcpiUtPutNumber (AsciiString, Number, 10, FALSE);
Pos2 = String;
while (Pos1 != AsciiString)
{
*(Pos2++) = *(--Pos1);
}
*Pos2 = 0;
return (String);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtFormatNumber
*
* PARAMETERS: String - String buffer with boundary
* End - Boundary of the string
* Number - The number to be converted
* Base - Base of the integer
* Width - Field width
* Precision - Precision of the integer
* Type - Special printing flags
*
* RETURN: Updated position for next valid character
*
* DESCRIPTION: Print an integer into a string with any base and any precision.
*
******************************************************************************/
static char *
AcpiUtFormatNumber (
char *String,
char *End,
UINT64 Number,
UINT8 Base,
INT32 Width,
INT32 Precision,
UINT8 Type)
{
char *Pos;
char Sign;
char Zero;
BOOLEAN NeedPrefix;
BOOLEAN Upper;
INT32 i;
char ReversedString[66];
/* Parameter validation */
if (Base < 2 || Base > 16)
{
return (NULL);
}
if (Type & ACPI_FORMAT_LEFT)
{
Type &= ~ACPI_FORMAT_ZERO;
}
NeedPrefix = ((Type & ACPI_FORMAT_PREFIX) && Base != 10) ? TRUE : FALSE;
Upper = (Type & ACPI_FORMAT_UPPER) ? TRUE : FALSE;
Zero = (Type & ACPI_FORMAT_ZERO) ? '0' : ' ';
/* Calculate size according to sign and prefix */
Sign = '\0';
if (Type & ACPI_FORMAT_SIGN)
{
if ((INT64) Number < 0)
{
Sign = '-';
Number = - (INT64) Number;
Width--;
}
else if (Type & ACPI_FORMAT_SIGN_PLUS)
{
Sign = '+';
Width--;
}
else if (Type & ACPI_FORMAT_SIGN_PLUS_SPACE)
{
Sign = ' ';
Width--;
}
}
if (NeedPrefix)
{
Width--;
if (Base == 16)
{
Width--;
}
}
/* Generate full string in reverse order */
Pos = AcpiUtPutNumber (ReversedString, Number, Base, Upper);
i = (INT32) ACPI_PTR_DIFF (Pos, ReversedString);
/* Printing 100 using %2d gives "100", not "00" */
if (i > Precision)
{
Precision = i;
}
Width -= Precision;
/* Output the string */
if (!(Type & (ACPI_FORMAT_ZERO | ACPI_FORMAT_LEFT)))
{
while (--Width >= 0)
{
String = AcpiUtBoundStringOutput (String, End, ' ');
}
}
if (Sign)
{
String = AcpiUtBoundStringOutput (String, End, Sign);
}
if (NeedPrefix)
{
String = AcpiUtBoundStringOutput (String, End, '0');
if (Base == 16)
{
String = AcpiUtBoundStringOutput (
String, End, Upper ? 'X' : 'x');
}
}
if (!(Type & ACPI_FORMAT_LEFT))
{
while (--Width >= 0)
{
String = AcpiUtBoundStringOutput (String, End, Zero);
}
}
while (i <= --Precision)
{
String = AcpiUtBoundStringOutput (String, End, '0');
}
while (--i >= 0)
{
String = AcpiUtBoundStringOutput (String, End,
ReversedString[i]);
}
while (--Width >= 0)
{
String = AcpiUtBoundStringOutput (String, End, ' ');
}
return (String);
}
/*******************************************************************************
*
* FUNCTION: vsnprintf
*
* PARAMETERS: String - String with boundary
* Size - Boundary of the string
* Format - Standard printf format
* Args - Argument list
*
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a string using argument list pointer.
*
******************************************************************************/
int
vsnprintf (
char *String,
ACPI_SIZE Size,
const char *Format,
va_list Args)
{
UINT8 Base;
UINT8 Type;
INT32 Width;
INT32 Precision;
char Qualifier;
UINT64 Number;
char *Pos;
char *End;
char c;
const char *s;
const void *p;
INT32 Length;
int i;
Pos = String;
if (Size != ACPI_UINT32_MAX) {
End = String + Size;
} else {
End = ACPI_CAST_PTR(char, ACPI_UINT32_MAX);
}
for (; *Format; ++Format)
{
if (*Format != '%')
{
Pos = AcpiUtBoundStringOutput (Pos, End, *Format);
continue;
}
Type = 0;
Base = 10;
/* Process sign */
do
{
++Format;
if (*Format == '#')
{
Type |= ACPI_FORMAT_PREFIX;
}
else if (*Format == '0')
{
Type |= ACPI_FORMAT_ZERO;
}
else if (*Format == '+')
{
Type |= ACPI_FORMAT_SIGN_PLUS;
}
else if (*Format == ' ')
{
Type |= ACPI_FORMAT_SIGN_PLUS_SPACE;
}
else if (*Format == '-')
{
Type |= ACPI_FORMAT_LEFT;
}
else
{
break;
}
} while (1);
/* Process width */
Width = -1;
if (isdigit ((int) *Format))
{
Format = AcpiUtScanNumber (Format, &Number);
Width = (INT32) Number;
}
else if (*Format == '*')
{
++Format;
Width = va_arg (Args, int);
if (Width < 0)
{
Width = -Width;
Type |= ACPI_FORMAT_LEFT;
}
}
/* Process precision */
Precision = -1;
if (*Format == '.')
{
++Format;
if (isdigit ((int) *Format))
{
Format = AcpiUtScanNumber (Format, &Number);
Precision = (INT32) Number;
}
else if (*Format == '*')
{
++Format;
Precision = va_arg (Args, int);
}
if (Precision < 0)
{
Precision = 0;
}
}
/* Process qualifier */
Qualifier = -1;
if (*Format == 'h' || *Format == 'l' || *Format == 'L')
{
Qualifier = *Format;
++Format;
if (Qualifier == 'l' && *Format == 'l')
{
Qualifier = 'L';
++Format;
}
}
switch (*Format)
{
case '%':
Pos = AcpiUtBoundStringOutput (Pos, End, '%');
continue;
case 'c':
if (!(Type & ACPI_FORMAT_LEFT))
{
while (--Width > 0)
{
Pos = AcpiUtBoundStringOutput (Pos, End, ' ');
}
}
c = (char) va_arg (Args, int);
Pos = AcpiUtBoundStringOutput (Pos, End, c);
while (--Width > 0)
{
Pos = AcpiUtBoundStringOutput (Pos, End, ' ');
}
continue;
case 's':
s = va_arg (Args, char *);
if (!s)
{
s = "<NULL>";
}
Length = (INT32) AcpiUtBoundStringLength (s, Precision);
if (!(Type & ACPI_FORMAT_LEFT))
{
while (Length < Width--)
{
Pos = AcpiUtBoundStringOutput (Pos, End, ' ');
}
}
for (i = 0; i < Length; ++i)
{
Pos = AcpiUtBoundStringOutput (Pos, End, *s);
++s;
}
while (Length < Width--)
{
Pos = AcpiUtBoundStringOutput (Pos, End, ' ');
}
continue;
case 'o':
Base = 8;
break;
case 'X':
Type |= ACPI_FORMAT_UPPER;
ACPI_FALLTHROUGH;
case 'x':
Base = 16;
break;
case 'd':
case 'i':
Type |= ACPI_FORMAT_SIGN;
case 'u':
break;
case 'p':
if (Width == -1)
{
Width = 2 * sizeof (void *);
Type |= ACPI_FORMAT_ZERO;
}
p = va_arg (Args, void *);
Pos = AcpiUtFormatNumber (
Pos, End, ACPI_TO_INTEGER (p), 16, Width, Precision, Type);
continue;
default:
Pos = AcpiUtBoundStringOutput (Pos, End, '%');
if (*Format)
{
Pos = AcpiUtBoundStringOutput (Pos, End, *Format);
}
else
{
--Format;
}
continue;
}
if (Qualifier == 'L')
{
Number = va_arg (Args, UINT64);
if (Type & ACPI_FORMAT_SIGN)
{
Number = (INT64) Number;
}
}
else if (Qualifier == 'l')
{
Number = va_arg (Args, unsigned long);
if (Type & ACPI_FORMAT_SIGN)
{
Number = (INT32) Number;
}
}
else if (Qualifier == 'h')
{
Number = (UINT16) va_arg (Args, int);
if (Type & ACPI_FORMAT_SIGN)
{
Number = (INT16) Number;
}
}
else
{
Number = va_arg (Args, unsigned int);
if (Type & ACPI_FORMAT_SIGN)
{
Number = (signed int) Number;
}
}
Pos = AcpiUtFormatNumber (Pos, End, Number, Base,
Width, Precision, Type);
}
if (Size > 0)
{
if (Pos < End)
{
*Pos = '\0';
}
else
{
End[-1] = '\0';
}
}
return ((int) ACPI_PTR_DIFF (Pos, String));
}
/*******************************************************************************
*
* FUNCTION: snprintf
*
* PARAMETERS: String - String with boundary
* Size - Boundary of the string
* Format, ... - Standard printf format
*
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a string.
*
******************************************************************************/
int
snprintf (
char *String,
ACPI_SIZE Size,
const char *Format,
...)
{
va_list Args;
int Length;
va_start (Args, Format);
Length = vsnprintf (String, Size, Format, Args);
va_end (Args);
return (Length);
}
/*******************************************************************************
*
* FUNCTION: sprintf
*
* PARAMETERS: String - String with boundary
* Format, ... - Standard printf format
*
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a string.
*
******************************************************************************/
int
sprintf (
char *String,
const char *Format,
...)
{
va_list Args;
int Length;
va_start (Args, Format);
Length = vsnprintf (String, ACPI_UINT32_MAX, Format, Args);
va_end (Args);
return (Length);
}
#ifdef ACPI_APPLICATION
/*******************************************************************************
*
* FUNCTION: vprintf
*
* PARAMETERS: Format - Standard printf format
* Args - Argument list
*
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to stdout using argument list pointer.
*
******************************************************************************/
int
vprintf (
const char *Format,
va_list Args)
{
ACPI_CPU_FLAGS Flags;
int Length;
Flags = AcpiOsAcquireLock (AcpiGbl_PrintLock);
Length = vsnprintf (AcpiGbl_PrintBuffer,
sizeof (AcpiGbl_PrintBuffer), Format, Args);
(void) fwrite (AcpiGbl_PrintBuffer, Length, 1, ACPI_FILE_OUT);
AcpiOsReleaseLock (AcpiGbl_PrintLock, Flags);
return (Length);
}
/*******************************************************************************
*
* FUNCTION: printf
*
* PARAMETERS: Format, ... - Standard printf format
*
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to stdout.
*
******************************************************************************/
int
printf (
const char *Format,
...)
{
va_list Args;
int Length;
va_start (Args, Format);
Length = vprintf (Format, Args);
va_end (Args);
return (Length);
}
/*******************************************************************************
*
* FUNCTION: vfprintf
*
* PARAMETERS: File - File descriptor
* Format - Standard printf format
* Args - Argument list
*
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a file using argument list pointer.
*
******************************************************************************/
int
vfprintf (
FILE *File,
const char *Format,
va_list Args)
{
ACPI_CPU_FLAGS Flags;
int Length;
Flags = AcpiOsAcquireLock (AcpiGbl_PrintLock);
Length = vsnprintf (AcpiGbl_PrintBuffer,
sizeof (AcpiGbl_PrintBuffer), Format, Args);
(void) fwrite (AcpiGbl_PrintBuffer, Length, 1, File);
AcpiOsReleaseLock (AcpiGbl_PrintLock, Flags);
return (Length);
}
/*******************************************************************************
*
* FUNCTION: fprintf
*
* PARAMETERS: File - File descriptor
* Format, ... - Standard printf format
*
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a file.
*
******************************************************************************/
int
fprintf (
FILE *File,
const char *Format,
...)
{
va_list Args;
int Length;
va_start (Args, Format);
Length = vfprintf (File, Format, Args);
va_end (Args);
return (Length);
}
#endif
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