NT4/private/ntos/afd/afdkd/dbgutil.c
2020-09-30 17:12:29 +02:00

141 lines
1.7 KiB
C

/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
dbgutil.c
Abstract:
Utility functions for dealing with the kernel debugger.
Author:
Keith Moore (keithmo) 19-Apr-1995
Environment:
User Mode.
Revision History:
--*/
#include "afdkdp.h"
#pragma hdrstop
//
// Public functions.
//
PSTR
LongLongToString(
LONGLONG Value
)
/*++
Routine Description:
Maps a LONGLONG to a displayable string.
Arguments:
Value - The LONGLONG to map.
Return Value:
PSTR - Points to the displayable form of the LONGLONG.
Notes:
This routine is NOT multithread safe!
--*/
{
static char buffer[32];
PSTR p1;
PSTR p2;
char ch;
int digit;
BOOL negative;
//
// Handling zero specially makes everything else a bit easier.
//
if( Value == 0 ) {
return "0";
}
//
// Remember if the value is negative.
//
if( Value < 0 ) {
negative = TRUE;
Value = -Value;
} else {
negative = FALSE;
}
//
// Pull the least signifigant digits off the value and store them
// into the buffer. Note that this will store the digits in the
// reverse order.
//
p1 = p2 = buffer;
while( Value != 0 ) {
digit = (int)( Value % 10 );
Value = Value / 10;
*p1++ = '0' + digit;
}
//
// Tack on a leading '-' if necessary.
//
if( negative ) {
*p1++ = '-';
}
//
// Reverse the digits in the buffer.
//
*p1-- = '\0';
while( p1 > p2 ) {
ch = *p1;
*p1 = *p2;
*p2 = ch;
p2++;
p1--;
}
return buffer;
} // LongLongToString