156 lines
3.3 KiB
C
156 lines
3.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* env.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/02 14:39:56 by erey-bet #+# #+# */
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/* Updated: 2023/02/14 15:21:28 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libftx/libftx.h"
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#include "minishell.h"
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#include "utils/utils.h"
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void env_del(void *content)
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{
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(void) content;
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}
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int strcmp_alphabet(char *s1, char *s2)
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{
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int i;
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if (!s1 || !s2)
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return (-2);
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i = 0;
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while (s1[i] && s2[i])
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{
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if (s1[i] < s2[i])
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return (0);
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else if (s1[i] > s2[i])
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return (1);
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i++;
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}
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return (-1);
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}
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void ft_double_swap(char **a, char **b)
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{
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void *c;
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c = *a;
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*a = *b;
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*b = c;
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}
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void exchange(char **a, char **b, char **c)
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{
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void *d;
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d = *a;
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*a = *b;
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*b = *c;
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*c = d;
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}
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void add_sort(t_list **head, char *str)
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{
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t_list *current;
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char *last;
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current = *head;
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while (current->next != NULL && strcmp_alphabet(str, current->content) != 0)
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current = current->next;
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if (strcmp_alphabet(str, current->content) == 1)
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last = str;
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else
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exchange(&last, (char **)(¤t->content), &str);
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while (current != NULL)
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{
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if (current->next == NULL)
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current->next = ft_calloc(1, sizeof(t_list));
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if (current->next == NULL)
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return ;
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current = current->next;
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if (current->content == NULL)
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{
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current->content = last;
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return ;
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}
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else
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ft_double_swap((char **)(¤t->content), &last);
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}
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}
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char *get_value_by_index(int index, t_list **head)
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{
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t_list *current;
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int i;
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current = *head;
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i = -1;
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while (current != NULL && ++i != index)
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current = current->next;
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if (i == index)
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return (ft_strchr(current->content, '=') + 1);
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return (NULL);
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}
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char *get_value_by_key(char *key, t_list **head)
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{
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t_list *current;
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current = *head;
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while (current != NULL)
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{
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if (ft_strncmp(current->content, key, ft_strlen(key)))
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return (ft_strchr(current->content, '=') + 1);
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current = current->next;
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}
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return (NULL);
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}
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int set_value_by_key(t_list **env, char *key, char *value)
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{
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t_list *current;
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char *temp;
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current = *env;
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while (current != NULL)
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{
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if (!ft_strncmp(key, current->content, ft_strlen(current->content)))
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{
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temp = current->content;
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current->content = ft_strreplace(temp, value,
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ft_strnchr(temp, '=') + 1,
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ft_strlen(temp) - (ft_strnchr(temp, '=') - 1));
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free(temp);
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if (current->content == NULL)
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{
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ft_eprintf("minishell: malloc failed");
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return (1);
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}
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}
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current = current->next;
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}
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return (0);
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}
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t_list **init_env(char **env)
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{
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t_list **head;
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int i;
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head = ft_calloc(1, sizeof(t_list *));
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*head = ft_calloc(1, sizeof(t_list));
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if (*head == NULL)
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return (NULL);
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i = -1;
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while (env[++i])
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add_sort(head, env[i]);
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return (head);
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}
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