mirror of
https://github.com/reactos/reactos.git
synced 2024-08-21 10:53:15 +00:00
82 lines
1.5 KiB
C
82 lines
1.5 KiB
C
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS system libraries
|
|
* FILE: lib/sdk/crt/string/witoa.c
|
|
* PURPOSE: converts a integer to ascii
|
|
* PROGRAMER:
|
|
* UPDATE HISTORY:
|
|
* 1995: Created
|
|
* 1998: Added ltoa by Ariadne
|
|
* 2006 : replace all api in this file to wine cvs 2006-05-21
|
|
*/
|
|
/* */
|
|
#include <precomp.h>
|
|
|
|
/*
|
|
* @implemented
|
|
* copy _i64toa from wine cvs 2006 month 05 day 21
|
|
*/
|
|
char* _i64toa(__int64 value, char* string, int radix)
|
|
{
|
|
ULONGLONG val;
|
|
int negative;
|
|
char buffer[65];
|
|
char *pos;
|
|
int digit;
|
|
|
|
if (value < 0 && radix == 10) {
|
|
negative = 1;
|
|
val = -value;
|
|
} else {
|
|
negative = 0;
|
|
val = value;
|
|
} /* if */
|
|
|
|
pos = &buffer[64];
|
|
*pos = '\0';
|
|
|
|
do {
|
|
digit = val % radix;
|
|
val = val / radix;
|
|
if (digit < 10) {
|
|
*--pos = '0' + digit;
|
|
} else {
|
|
*--pos = 'a' + digit - 10;
|
|
} /* if */
|
|
} while (val != 0L);
|
|
|
|
if (negative) {
|
|
*--pos = '-';
|
|
} /* if */
|
|
|
|
memcpy(string, pos, &buffer[64] - pos + 1);
|
|
return string;
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
char* _ui64toa(unsigned __int64 value, char* string, int radix)
|
|
{
|
|
char buffer[65];
|
|
char *pos;
|
|
int digit;
|
|
|
|
pos = &buffer[64];
|
|
*pos = '\0';
|
|
|
|
do {
|
|
digit = value % radix;
|
|
value = value / radix;
|
|
if (digit < 10) {
|
|
*--pos = '0' + digit;
|
|
} else {
|
|
*--pos = 'a' + digit - 10;
|
|
} /* if */
|
|
} while (value != 0L);
|
|
|
|
memcpy(string, pos, &buffer[64] - pos + 1);
|
|
return string;
|
|
}
|