witoa.c File Reference

#include <precomp.h>

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Functions
char *	_i64toa (__int64 value, char *string, int radix)
char *	_ui64toa (unsigned __int64 value, char *string, int radix)

Function Documentation

_i64toa()

char * _i64toa	(	__int64	value,
		char *	string,
		int	radix
	)

Definition at line 19 of file witoa.c.

{
    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;
}

_ui64toa()

char * _ui64toa	(	unsigned __int64	value,
		char *	string,
		int	radix
	)

Definition at line 60 of file witoa.c.

{
    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;
}