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「🔨」 fix(libft): replaced libft by a better one :D

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y-syo
2024-04-29 13:53:00 +02:00
parent 77786466e3
commit 73bb992b01
77 changed files with 1511 additions and 1320 deletions
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89
libft/src/str/XtoX/ft_itoa.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mmoussou <mmoussou@student.42angoulem +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/11/05 12:45:53 by mmoussou #+# #+# */
/* Updated: 2023/11/11 11:41:53 by mmoussou ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int n_size(int n)
{
int s;
s = 0;
if (n <= 0)
{
s++;
n *= -1;
}
while (n >= 1)
{
s++;
n /= 10;
}
return (s);
}
static size_t pwten(int n)
{
int i;
i = 1;
while (n)
{
i *= 10;
n--;
}
return (i);
}
static char *itoa_rec(char *r, int n)
{
int i;
if (n > 9)
{
r[0] = n / (pwten(n_size(n) - 1)) + '0';
i = 1;
while (n_size(n) - (n_size(n % pwten(n_size(n) - 1))) != i)
{
r[i] = '0';
i++;
}
itoa_rec(&r[n_size(n) - (n_size(n % pwten(n_size(n) - 1)))], \
n % pwten(n_size(n) - 1));
return (r);
}
r[0] = n + '0';
return (r);
}
char *ft_itoa(int n)
{
char *r;
if (n == -2147483648)
return (ft_strdup("-2147483648"));
r = ft_calloc(sizeof(char), n_size(n) + 1);
if (!r)
return (NULL);
if (n == 0)
{
r[0] = '0';
return (r);
}
if (n < 0)
{
r[0] = '-';
itoa_rec(&r[1], n * -1);
return (r);
}
itoa_rec(r, n);
return (r);
}