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decimal string conversion routine

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date	2001.07.17.21.56.00;	author rmoore1;	state Exp;
This commit is contained in:
aystarik 2005-06-29 17:19:11 +00:00
parent 6a8b358590
commit 7db09a845f
1 changed files with 140 additions and 9 deletions
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149
source/components/executer/exconvrt.c
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@ -1,7 +1,7 @@
/******************************************************************************
*
* Module Name: exconvrt - Object conversion routines
* $Revision: 1.16 $
* $Revision: 1.17 $
*
*****************************************************************************/
@ -376,6 +376,141 @@ AcpiExConvertToBuffer (
}
/*******************************************************************************
*
* FUNCTION: AcpiExConvertToDecimalAscii
*
* PARAMETERS: Integer
*
* RETURN: Actual string length
*
* DESCRIPTION: Convert an ACPI Integer to a decimal string
*
******************************************************************************/
UINT32
AcpiExConvertToDecimalAscii (
ACPI_INTEGER Integer,
UINT32 Length,
UINT8 *Where)
{
UINT32 i;
UINT32 j;
UINT32 k;
BOOLEAN LeadingZero = TRUE;
ACPI_INTEGER Digit;
for (i = ACPI_MAX_DECIMAL_DIGITS, k = 0; i > 0 ; i--)
{
/* Divide by nth factor of 10 */
Digit = Integer;
for (j = 1; j < i; j++)
{
Digit = ACPI_DIVIDE (Digit, 10);
}
/* Create the decimal digit */
if (Digit != 0)
{
LeadingZero = FALSE;
}
if (!LeadingZero)
{
Where[k] = (UINT8) (0x30 + ACPI_MODULO (Digit, 10));
k++;
}
}
Where[k] = 0;
if (!k)
{
Where [0] = 0x30;
Where [1] = 0;
k = 1;
}
return (k);
}
/*******************************************************************************
*
* FUNCTION: AcpiExConvertToHexAscii
*
* PARAMETERS: Integer
*
* RETURN: Actual string length
*
* DESCRIPTION: Convert an ACPI Integer to a hex string
*
******************************************************************************/
UINT32
AcpiExConvertToHexAscii (
ACPI_INTEGER Integer,
UINT32 Length,
UINT8 *Where)
{
UINT32 i;
UINT32 j;
UINT32 k;
UINT8 HexDigit;
BOOLEAN LeadingZero = TRUE;
/******** TBD: DEBUG only
char *buf;
char sbuf[32];
#include <stdio.h>
#include <stdlib.h>
buf = _ui64toa (Integer, sbuf, 10);
printf ("1): %s\n", sbuf);
AcpiExConvertToDecimalAscii (Integer, 0, sbuf);
printf ("2): %s\n", sbuf);
buf = _ui64toa (Integer, sbuf, 16);
printf ("3): %s\n", sbuf);
printf ("4): %s\n", Where);
***************************************************/
/* Copy the integer to the buffer */
for (i = 0, j = ((Length * 2) -1), k = 0; i < (Length * 2); i++, j--)
{
HexDigit = AcpiGbl_HexToAscii [(Integer >> (j * 4)) & 0xF];
if (HexDigit != 0x30)
{
LeadingZero = FALSE;
}
if (!LeadingZero)
{
Where[k] = HexDigit;
k++;
}
}
Where [k] = 0;
if (!k)
{
Where [0] = 0x30;
Where [1] = 0;
k = 1;
}
return (k);
}
/*******************************************************************************
*
* FUNCTION: AcpiExConvertToString
@ -399,7 +534,6 @@ AcpiExConvertToString (
{
ACPI_OPERAND_OBJECT *RetDesc;
UINT32 i;
UINT32 j;
UINT32 Index;
UINT32 StringLength;
UINT32 IntegerSize = sizeof (ACPI_INTEGER);
@ -445,12 +579,10 @@ AcpiExConvertToString (
return (AE_NO_MEMORY);
}
/* Copy the integer to the buffer */
for (i = 0, j = ((IntegerSize * 2) -1); i < (IntegerSize * 2); i++, j--)
{
NewBuf[i] = AcpiGbl_HexToAscii [(ObjDesc->Integer.Value >> (j * 4)) & 0xF];
}
/* Convert */
i = AcpiExConvertToHexAscii (ObjDesc->Integer.Value, IntegerSize, NewBuf);
/* Null terminate at the correct place */
@ -523,8 +655,7 @@ AcpiExConvertToString (
Index = 0;
for (i = 0; i < (StringLength/3); i++)
{
NewBuf[Index + 0] = AcpiGbl_HexToAscii [Pointer[i] & 0x0F];
NewBuf[Index + 1] = AcpiGbl_HexToAscii [(Pointer[i] >> 4) & 0x0F];
AcpiExConvertToHexAscii (Pointer[i], 1, &NewBuf[Index]);
NewBuf[Index + 2] = ' ';
Index += 3;
}