42_minishell/env3.c
Etienne Rey-bethbeder 2f386686c6 SAMANTHA EST CHAUDE
2023-02-23 17:19:25 +01:00

99 lines
2.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* env3.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/02/17 17:25:09 by erey-bet #+# #+# */
/* Updated: 2023/02/23 15:46:46 by erey-bet ### ########.fr */
/* */
/* ************************************************************************** */
#include "libftx/libftx.h"
#include "minishell.h"
char *get_value(char *str)
{
char *s;
int i;
int start;
s = ft_calloc(ft_strlen(str), sizeof(char));
start = get_index(str, '=');
i = start;
while (str[++i])
s[i - start - 1] = str[i];
return (s);
}
char *get_key(char *str)
{
char *s;
int i;
s = ft_calloc(ft_strlen(str), sizeof(char));
i = -1;
while (str[++i] != '=')
s[i] = str[i];
return (s);
}
int create_value_by_key_dup(char *key, char *value, t_list **env)
{
char *key_dup;
char *value_dup;
key_dup = ft_strdup(key);
if (key_dup == NULL)
{
ft_eprintf("minishell: malloc failed\n");
return (1);
}
value_dup = ft_strdup(value);
if (value_dup == NULL)
{
free(key);
ft_eprintf("minishell: malloc failed\n");
return (1);
}
if (create_value_by_key(key_dup, value_dup, env))
return (1);
return (0);
}
int delete_by_key(char *key, t_list **head)
{
t_list *last;
t_list *current;
current = *head;
while (current->next != NULL)
{
if (ft_strcmp(((t_env *)current->content)->key, key) == 0)
{
if (last->next != NULL)
last->next = current->next;
else
*head = current->next;
return (0);
}
last = current;
current = current->next;
}
return (1);
}
int possible_key(char *key)
{
int i;
i = -1;
if (ft_isdigit(key[i + 1]) || key[i + 1] == '@')
return (0);
while (key[++i])
if (!ft_isalnum(key[i]) && key[i] != '_' && key[i] != '#' && key[i] != '@')
return (0);
return (1);
}