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str_to_stack.c
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str_to_stack.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* str_to_stack.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: issierra <issierra@student.42madrid.com +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/09/22 09:23:40 by issierra #+# #+# */
/* Updated: 2023/12/26 09:13:13 by issierra ### ########.fr */
/* */
/* ************************************************************************** */
#include "push_swap.h"
static int ft_count_words(char const *s, char c)
{
int count;
int ini_word;
char const *temp;
temp = s;
count = 0;
ini_word = 0;
while (*temp)
{
if (*temp != c)
ini_word = 1;
if (*temp == c && ini_word == 1)
{
count++;
ini_word = 0;
}
temp++;
}
if (ini_word == 1)
count++;
return (count);
}
static int ft_len_word(char const *s, char c)
{
char const *temp;
int len;
temp = s;
len = 0;
while (*temp != c && *temp != '\0')
{
len++;
temp++;
}
return (len);
}
static char **ft_free(char **res, int w)
{
while (w >= 0)
{
free(res[w]);
w--;
}
free(res);
return (NULL);
}
static char **ft_copy(char const *s, char c, char **res, int num_words)
{
int w;
int l;
w = 0;
while (w < num_words)
{
l = 0;
while (*s == c)
s++;
res[w] = malloc(sizeof(char) * (ft_len_word(s, c) + 1));
if (!res[w])
{
ft_free(res, w);
return (NULL);
}
while (*s != c && *s != '\0')
{
res[w][l++] = *s;
s++;
}
res[w++][l] = '\0';
}
res[w] = NULL;
return (res);
}
t_stack *str_to_stack(char const *s, char c)
{
char **res;
int num_words;
int i;
int resc;
t_stack *a;
num_words = ft_count_words(s, c);
res = malloc(sizeof(char *) * (num_words + 2));
if (!res || !s)
return (NULL);
res = ft_copy(s, c, res, num_words);
i = 0;
while (res[i])
i++;
resc = i;
if (!check_arg(resc, res, 0))
{
ft_free(res, resc);
return (0);
}
a = create_stack(res, resc, 0);
ft_free(res, resc);
return (a);
}