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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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