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/*
Libft Copyright (C) 2026 yctct
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "libft.h"
static long int ft_nbrlen(long int n)
{
int len;
len = 0;
if (n < 0)
{
n = -n;
len += 1;
}
while (n)
{
n /= 10;
len++;
}
return (len);
}
char *ft_itoa(int nb)
{
char *c;
int len;
long n;
n = nb;
if (n == 0)
return (ft_strdup("0"));
len = ft_nbrlen(n);
c = malloc(sizeof(char) * (len + 1));
if (!c)
return (NULL);
if (n < 0)
{
n = -n;
c[0] = '-';
}
c[len] = '\0';
while (n)
{
c[--len] = (n % 10) + '0';
n /= 10;
}
return (c);
}
/*
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
int n1;
int n2;
int n3;
int n4;
int n5;
char *ptr;
char *ptr2;
char *ptr3;
char *ptr4;
char *ptr5;
char *ptr6;
char c;
c = 'a';
n1 = 42;
n2 = 0;
n3 = -42;
n4 = 2147483647;
n5 = -2147483648;
ptr = ft_itoa(n1);
printf(" 42: %s\n", ptr);
free(ptr);
printf("----------------\n");
ptr2 = ft_itoa(n2);
printf(" 0: %s\n", ptr2);
free(ptr2);
printf("----------------\n");
ptr3 = ft_itoa(n3);
printf(" -42: %s\n", ptr3);
free(ptr3);
printf("----------------\n");
ptr4 = ft_itoa(n4);
printf(" INT_MAX: %s\n", ptr4);
free(ptr4);
printf("----------------\n");
ptr5 = ft_itoa(n5);
printf(" INT_MIN: %s\n", ptr5);
free(ptr5);
printf("----------------\n");
ptr6 = ft_itoa(c);
printf("char 'a': %s\n", ptr6);
free(ptr6);
}
*/
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