108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* export.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/14 14:27:08 by cchauvet #+# #+# */
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/* Updated: 2023/03/30 15:05:25 by erey-bet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "./builtins_private.h"
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static int error(char *str)
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{
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write(2, "bozoshell: export: `", 20);
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write(2, str, ft_strlen(str));
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write(2, "': not a valid identifier\n", 26);
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return (1);
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}
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void print_export(t_list **env, int fd)
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{
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t_list *current;
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current = *env;
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while (current->next != NULL)
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{
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write(fd, "declare -x ", 11);
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ft_putstr_fd(((t_env *)(current->content))->key, fd);
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if (((t_env *)(current->content))->value != NULL)
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{
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ft_putstr_fd("=", fd);
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write(fd, "\"", 1);
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ft_putstr_fd(((t_env *)(current->content))->value, fd);
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write(fd, "\"\n", 2);
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}
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else
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write(fd, "\n", 2);
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current = current->next;
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}
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}
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int set_key_value_export(t_list **env, char *args, char **key, char **value)
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{
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*key = ft_strndup(args, ft_strnchr(args, '='));
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if (*key == NULL)
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return (1);
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if (ft_strlen(*key) == 0)
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return (1);
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if (possible_key(*key) == 2)
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{
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(*key)[ft_strlen(*key) - 1] = '\0';
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if (get_value_by_key(*key, env) == NULL)
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*value = ft_strdup(ft_strchr(args, '=') + 1);
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else
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*value = ft_strjoin(get_value_by_key(*key, env),
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ft_strchr(args, '=') + 1);
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}
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else
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*value = ft_strdup(ft_strchr(args, '=') + 1);
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return (0);
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}
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int add_export(t_list **env, char *args)
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{
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char *key;
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char *value;
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if (ft_strchr(args, '=') != NULL)
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{
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if (set_key_value_export(env, args, &key, &value))
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return (error(args));
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}
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else
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{
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key = ft_strdup(args);
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value = get_value_by_key(key, env);
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if (value != NULL)
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value = ft_strdup(value);
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if (possible_key(key) == 2)
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return (error(key));
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}
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if (!possible_key(key))
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return (error(args));
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create_value_by_key(key, value, env);
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return (0);
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}
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int ft_export(t_list **env, char **args, int fd)
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{
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int err;
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int i;
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err = 0;
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if (args[0] == NULL)
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print_export(env, fd);
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else
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{
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i = -1;
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while (args[++i])
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if (add_export(env, args[i]) == 1)
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err = 1;
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}
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return (err);
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}
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