base struct

This commit is contained in:
gazhonsepaskwa
2025-01-13 13:21:53 +01:00
parent a7e1a55200
commit 09c2cb5b3e
47 changed files with 1835 additions and 0 deletions

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nalebrun <nalebrun@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/14 14:00:41 by nalebrun #+# #+# */
/* Updated: 2024/11/27 12:59:01 by nalebrun ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../libft.h"
static int ft_isspace(char c)
{
if (c == ' ' || c == '\t' || c == '\n' || c == '\v' || c == '\f'
|| c == '\r')
return (1);
else
return (0);
}
static int ft_signer(char c, int *i)
{
int sign;
sign = 1;
if (c == '-')
{
sign *= -1;
(*i)++;
}
else if (c == '+')
(*i)++;
return (sign);
}
static int ft_signed(int sign)
{
if (sign == -1)
return (0);
else
return (-1);
}
int ft_atoi(const char *str)
{
int i;
int sign;
long res;
int current_digit;
if (!str)
return (-1);
res = 0;
i = 0;
while (ft_isspace(str[i]))
i++;
sign = ft_signer(str[i], &i);
while (str[i] == '0')
i++;
while (ft_isdigit(str[i]))
{
current_digit = str[i] - '0';
if (res > (LONG_MAX - current_digit) / 10)
return (ft_signed(sign));
res = (res * 10) + current_digit;
i++;
}
return ((int)(res *= sign));
}

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nalebrun <nalebrun@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/15 14:36:46 by nalebrun #+# #+# */
/* Updated: 2024/11/27 12:59:05 by nalebrun ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../libft.h"
static char *ft_itoamem(long int n)
{
int i;
char *res;
int sign;
i = 0;
sign = 0;
if (n < 0)
{
sign = 1;
n *= -1;
}
while (n > 9)
{
n /= 10;
i++;
}
res = malloc(((i + 1) + sign + 1) * sizeof(char));
if (!res)
return (NULL);
res[i + 1 + sign] = '\0';
ft_memset(res, 48, ((i + 1) + sign) * sizeof(char));
return (res);
}
char *ft_itoa(int n)
{
char *res;
int i;
long int num;
num = n;
res = ft_itoamem(num);
if (!res)
return (NULL);
i = 0;
if (num < 0)
{
res[i] = '-';
num *= -1;
}
i = ft_strlen(res);
res[i] = '\0';
i--;
while (num > 9)
{
res[i--] = (num % 10) + '0';
num /= 10;
}
res[i] = num + '0';
return (res);
}

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nalebrun <nalebrun@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/11 16:15:47 by nalebrun #+# #+# */
/* Updated: 2024/11/27 12:58:41 by nalebrun ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../libft.h"
static int ft_word_count(const char *str, char c)
{
int count;
if (!str)
return (0);
count = 0;
while (*str)
{
while (*str && *str == c)
str++;
if (*str && *str != c)
count++;
while (*str && *str != c)
str++;
}
return (count);
}
static char *malloccpy(const char *str, char c)
{
char *result;
int i;
i = 0;
while (str[i] && str[i] != c)
i++;
result = (char *)malloc(sizeof(char) * (i + 1));
if (!result)
return (NULL);
ft_strlcpy(result, str, i + 1);
return (result);
}
void free_tab(char **tab)
{
char **pos;
if (!tab)
return ;
pos = tab;
while (*pos != NULL)
free(*(pos++));
free(tab);
}
char **ft_split(const char *s, char c)
{
char **result;
int i;
int strs_len;
if (!s)
return (NULL);
strs_len = ft_word_count(s, c);
result = (char **)malloc(sizeof(char *) * (strs_len + 1));
if (!result)
return (NULL);
i = -1;
while (++i < strs_len)
{
while (*s && *s == c)
s++;
result[i] = malloccpy(s, c);
if (!result[i])
{
free_tab(result);
return (NULL);
}
s += ft_strlen(result[i]);
}
result[i] = 0;
return (result);
}