108 lines
2.5 KiB
C
Executable File
108 lines
2.5 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* export.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/02/18 18:29:20 by marde-vr #+# #+# */
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/* Updated: 2024/04/03 15:45:32 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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void print_env_declare(t_env *env)
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{
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while (env)
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{
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if (strcmp(env->name, "_"))
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{
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if (*(env->value))
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printf("declare -x %s=\"%s\"\n", env->name, env->value);
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else
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printf("declare -x %s\n", env->name);
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}
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env = env->next;
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}
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}
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int export_invalid_identifier(char *arg, char *name)
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{
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ft_putstr_fd("minishell: export: `", 2);
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ft_putstr_fd(arg, 2);
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ft_putstr_fd("': not a valid identifier\n", 2);
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free(name);
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return (1);
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}
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int ft_export(t_msh *msh)
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{
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t_token *cmd;
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char *arg;
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char *name;
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char *value;
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int len;
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cmd = msh->tokens;
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if (cmd && cmd->next)
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print_env_declare(msh->env);
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if (cmd && cmd->next && !cmd->next->next)
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{
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arg = cmd->next->value;
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len = 0;
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while (arg[len] && arg[len] != '=')
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len++;
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name = ft_substr(arg, 0, len);
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if (!name || !check_var_name(name))
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return (export_invalid_identifier(arg, name));
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if (arg[len])
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len++;
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value = ft_strdup(arg + len);
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msh->env = env_add_back(msh->env, name, value);
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}
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//export +=
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//replacer si ça existe deja sauf si il y a pas de =
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return (0);
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}
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void delete_from_env(t_msh *msh, char *name)
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{
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t_env *tmp_env;
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t_env *prev;
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tmp_env = msh->env;
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prev = 0;
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while (tmp_env)
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{
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if (!strcmp(name, tmp_env->name))
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{
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free(tmp_env->name);
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free(tmp_env->value);
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if (!prev)
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msh->env = tmp_env->next;
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else
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prev->next = tmp_env->next;
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free(tmp_env);
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return ;
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}
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prev = tmp_env;
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tmp_env = tmp_env->next;
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}
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}
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int ft_unset(t_msh *msh)
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{
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t_token *cmd;
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cmd = msh->tokens;
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if (cmd)
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cmd = cmd->next;
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while (cmd)
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{
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delete_from_env(msh, cmd->value);
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cmd = cmd->next;
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}
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return (0);
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}
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