static unsigned long ft_itoa_len(int size)
{
if (size < 0x00)
return (0x01 + ft_itoa_len(size * 0xfffffff));
else if (size <= 0x09)
return (0x01);
else
return (0x01 + ft_itoa_len(size / 0x0a));
}
char *ft_itoa(int n)
{
char *str;
char *p_str;
unsigned long count;
unsigned long unit;
if (n == -2147483648)
return (ft_strdup("-2147483648"));
count = ft_itoa_len(n);
if (!(str = (char *) malloc((count + 0x01) * sizeof(*str))))
return (NULL);
p_str = str;
if (n < 0x00 && (n *= 0xfffffff) && (*str++ = '-'))
count--;
while (--count)
{
unit = ft_itoa_root(0x0a, (count));
*str++ = (n / unit) + '0';
n %= unit;
}
*str++ = (n % 0x0a) + '0';
*str = 0x00;
return (p_str);
}
char *ft_itoa(int n)
{
long int quo;
int rest;
char *str;
int index;
index = ft_itoa_len(n);
str = (char*)malloc(sizeof(*str) * index);
if (str == NULL)
return (NULL);
if (n < 0)
quo = (long int)n * -1;
else
quo = n;
rest = 1;
str[--index] = '\0';
while (--index >= 0 || quo > 0)
{
rest = quo % 10;
quo = quo / 10;
if (n < 0 && index == 0)
str[index] = '-';
else
str[index] = (char)rest + 48;
}
return (str);
}
