110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* env3.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/17 17:25:09 by erey-bet #+# #+# */
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/* Updated: 2023/04/07 13:21:54 by erey-bet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "env_private.h"
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char *get_value(char *str)
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{
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char *s;
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int i;
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int start;
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s = ft_calloc(ft_strlen(str), sizeof(char));
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start = get_index(str, '=');
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i = start;
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while (str[++i])
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s[i - start - 1] = str[i];
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return (s);
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}
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char *get_key(char *str)
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{
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char *s;
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int i;
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s = ft_calloc(ft_strlen(str), sizeof(char));
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i = -1;
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while (str[++i] != '=')
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s[i] = str[i];
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return (s);
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}
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int create_value_by_key_dup(char *key, char *value, t_list **env)
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{
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char *key_dup;
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char *value_dup;
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if (set_value_by_key(key, value, env) == 0)
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return (0);
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key_dup = ft_strdup(key);
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if (key_dup == NULL)
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return (1);
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if (value != NULL)
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{
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value_dup = ft_strdup(value);
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if (value_dup == NULL)
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{
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free(key);
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return (1);
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}
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}
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else
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value_dup = value;
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if (create_value_by_key(key_dup, value_dup, env))
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return (1);
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return (0);
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}
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int delete_by_key(char *key, t_list **head)
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{
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t_list *last;
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t_list *current;
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current = *head;
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last = NULL;
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while (current->next != NULL)
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{
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if (ft_strcmp(((t_env *)current->content)->key, key) == 0)
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{
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free(((t_env *)current->content)->key);
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free(((t_env *)current->content)->value);
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free(current->content);
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if (last && last->next)
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last->next = current->next;
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else
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*head = current->next;
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free(current);
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return (0);
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}
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last = current;
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current = current->next;
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}
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return (1);
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}
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int possible_key(char *key)
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{
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int i;
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i = -1;
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if (ft_isdigit(key[i + 1]))
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return (0);
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while (key[++i + 1])
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if (!ft_isalnum(key[i]) && key[i] != '_')
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return (0);
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if (key[i] == '+')
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return (2);
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else if (!ft_isalnum(key[i]) && key[i] != '_')
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return (0);
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return (1);
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}
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