This commit is contained in:
Loic Deridder
2025-02-03 13:21:25 +01:00
parent 2fdfa68256
commit 1d6c03da53
9 changed files with 70 additions and 59 deletions

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@@ -6,14 +6,13 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/28 09:01:33 by lderidde #+# #+# */
/* Updated: 2025/01/30 10:40:49 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:03:14 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef BUILTINS_H
# define BUILTINS_H
# include "../lib/libft/libft.h"
# include "../minishell.h"
# include <stdio.h>
# include <sys/types.h>

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@@ -6,14 +6,13 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/28 10:11:07 by lderidde #+# #+# */
/* Updated: 2025/01/28 10:31:54 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:09:33 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef ENV_H
# define ENV_H
# include "../lib/libft/libft.h"
# include "../minishell.h"
# include <unistd.h>
# include <stdlib.h>
@@ -21,13 +20,13 @@
//VAR
int count_var(char **envp);
int get_var_index(char *key, t_ast_n *head);
int get_var_index(char *key, t_msh *msh);
void free_null_ptr(void *ptr);
char **copy_env_var(char **envp, int count);
char *get_var_value(char *key, char **envp);
bool is_valid_key(char *key, t_ast_n *head);
int remove_env_var(char *key, t_ast_n *head);
void set_var_env(char *key, char *value, t_ast_n *head);
bool is_valid_key(char *key, t_msh *msh);
int remove_env_var(char *key, t_msh *msh);
void set_var_env(char *key, char *value, t_msh *msh);
char **init_env(char **envp);
#endif

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@@ -6,7 +6,7 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/24 14:31:49 by lderidde #+# #+# */
/* Updated: 2025/01/28 10:06:11 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:12:47 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
@@ -14,8 +14,8 @@
void pwd_update(t_ast_n *head, char *src, char *dest)
{
set_var_env("OLDPWD", src, head);
set_var_env("PWD", dest, head);
set_var_env("OLDPWD", src, head->msh);
set_var_env("PWD", dest, head->msh);
free_null_ptr(src);
free_null_ptr(dest);
}
@@ -39,7 +39,7 @@ int builtin_cd(char **arg, t_ast_n *head)
if (count_var(arg) == 1 || (count_var(arg) == 2 && ft_strncmp(arg[1], "~", 1) == 0))
{
path = get_var_value("HOME", head->env);
path = get_var_value("HOME", head->msh->env);
if (!path)
return (err_msg_cmd("cd", NULL, "HOME not set\n", EXIT_FAILURE));
return (exec_cd(path, head));
@@ -48,7 +48,7 @@ int builtin_cd(char **arg, t_ast_n *head)
return (err_msg_cmd("cd", NULL, "too many arguments\n", EXIT_FAILURE));
if (ft_strncmp(arg[1], "-", 1) == 0)
{
path = get_var_value("OLDPWD", head->env);
path = get_var_value("OLDPWD", head->msh->env);
if (!path)
return (err_msg_cmd("cd", NULL, "OLDPWD not set\n", EXIT_FAILURE));
return (exec_cd(path, head));

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@@ -6,7 +6,7 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/24 14:31:56 by lderidde #+# #+# */
/* Updated: 2025/01/28 12:40:27 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:13:38 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */

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@@ -6,7 +6,7 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/24 14:32:20 by lderidde #+# #+# */
/* Updated: 2025/01/30 13:07:49 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:11:35 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
@@ -112,7 +112,7 @@ int builtin_export(char **arg, t_ast_n *head)
i = 0;
if (count_args(arg) == 1)
return (print_export(head->env));
return (print_export(head->msh->env));
while (++i < count_args(arg))
{
if (is_export_valid(arg[i]))
@@ -122,11 +122,11 @@ int builtin_export(char **arg, t_ast_n *head)
tmp = key_value(arg[i]);
if (!tmp)
return (1);
set_var_env(tmp[0], tmp[1], head);
set_var_env(tmp[0], tmp[1], head->msh);
free_tab(tmp);
}
else
set_var_env(arg[i], NULL, head);
set_var_env(arg[i], NULL, head->msh);
}
else
return (err_msg_cmd("export", arg[i], EXPRT_INV, 1));

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@@ -6,7 +6,7 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/24 14:32:36 by lderidde #+# #+# */
/* Updated: 2025/01/28 12:43:49 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:12:14 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
@@ -42,6 +42,6 @@ int builtin_unset(char **arg, t_ast_n *head)
if (count_args(arg) == 1)
return (err_msg_cmd("unset", NULL, "not enough arguments", EXIT_FAILURE));
while (++i < count_args(arg))
ret = remove_env_var(arg[i], head);
ret = remove_env_var(arg[i], head->msh);
return (!ret);
}

54
srcs/env/var.c vendored
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@@ -6,7 +6,7 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/28 10:08:49 by lderidde #+# #+# */
/* Updated: 2025/01/28 10:09:55 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:10:32 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
@@ -75,7 +75,7 @@ char *get_var_value(char *key, char **envp)
return (NULL);
}
bool is_valid_key(char *key, t_ast_n *head)
bool is_valid_key(char *key, t_msh *msh)
{
char *tmp;
int i;
@@ -83,9 +83,9 @@ bool is_valid_key(char *key, t_ast_n *head)
tmp = ft_strjoin(key, "=");
if (!tmp)
return (false);
while (head->env[i])
while (msh->env[i])
{
if (ft_strncmp(head->env[i], tmp, ft_strlen(tmp)) == 0)
if (ft_strncmp(msh->env[i], tmp, ft_strlen(tmp)) == 0)
{
free_null_ptr(tmp);
return (true);
@@ -96,7 +96,7 @@ bool is_valid_key(char *key, t_ast_n *head)
return (false);
}
int get_var_index(char *key, t_ast_n *head)
int get_var_index(char *key, t_msh *msh)
{
int i;
char *new_key;
@@ -105,16 +105,16 @@ int get_var_index(char *key, t_ast_n *head)
if (!new_key)
return (-1);
i = 0;
while (head->env[i])
while (msh->env[i])
{
if (ft_strncmp(head->env[i], new_key, ft_strlen(new_key)) == 0)
if (ft_strncmp(msh->env[i], new_key, ft_strlen(new_key)) == 0)
{
free_null_ptr(new_key);
return (i);
}
else if (ft_strncmp(head->env[i], key, ft_strlen(key)) == 0
&& (ft_strchr(head->env[i], '=') == NULL &&
(ft_strlen(head->env[i]) == ft_strlen(key))))
else if (ft_strncmp(msh->env[i], key, ft_strlen(key)) == 0
&& (ft_strchr(msh->env[i], '=') == NULL &&
(ft_strlen(msh->env[i]) == ft_strlen(key))))
{
free_null_ptr(new_key);
return (i);
@@ -126,51 +126,51 @@ int get_var_index(char *key, t_ast_n *head)
}
int remove_env_var(char *key, t_ast_n *head)
int remove_env_var(char *key, t_msh *msh)
{
int i;
int j;
i = get_var_index(key, head);
i = get_var_index(key, msh);
if (i == -1)
return (0);
j = i;
free_null_ptr(head->env[i]);
while (head->env[i + 1])
free_null_ptr(msh->env[i]);
while (msh->env[i + 1])
{
head->env[i] = ft_strdup(head->env[i + 1]);
free_null_ptr(head->env[i + 1]);
msh->env[i] = ft_strdup(msh->env[i + 1]);
free_null_ptr(msh->env[i + 1]);
j++;
i++;
}
head->env = copy_env_var(head->env, j);
if (head->env)
msh->env = copy_env_var(msh->env, j);
if (msh->env)
return (1);
return (0);
}
void set_var_env(char *key, char *value, t_ast_n *head)
void set_var_env(char *key, char *value, t_msh *msh)
{
int i;
char *tmp;
i = get_var_index(key, head);
i = get_var_index(key, msh);
if (value)
tmp = ft_strjoin(key, "=");
if (!tmp)
return ;
if (i != -1 && head->env[i])
if (i != -1 && msh->env[i])
{
free_null_ptr(head->env[i]);
head->env[i] = ft_strjoin(tmp, value);
free_null_ptr(msh->env[i]);
msh->env[i] = ft_strjoin(tmp, value);
}
else
{
i = count_var(head->env);
head->env = copy_env_var(head->env, i + 1);
if (!head->env)
i = count_var(msh->env);
msh->env = copy_env_var(msh->env, i + 1);
if (!msh->env)
return ;
head->env[i] = ft_strjoin(tmp, value);
msh->env[i] = ft_strjoin(tmp, value);
}
free_null_ptr(tmp);
return ;

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@@ -6,7 +6,7 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/27 11:22:33 by lderidde #+# #+# */
/* Updated: 2025/01/31 11:47:38 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:15:41 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
@@ -84,15 +84,15 @@ int exec_builtin(t_ast_n *node)
else if (ft_strncmp(node->cmd, "pwd", 3) == 0)
return (builtin_pwd(node->args));
else if (ft_strncmp(node->cmd, "echo", 4) == 0)
return (builtin_echo(node->args, node->head->env));
return (builtin_echo(node->args, node->msh->env));
else if (ft_strncmp(node->cmd, "env", 3) == 0)
return (builtin_env(node->args, node->head->env));
return (builtin_env(node->args, node->msh->env));
else if (ft_strncmp(node->cmd, "unset", 5) == 0)
return (builtin_unset(node->args, node->head));
return (builtin_unset(node->args, node));
else if (ft_strncmp(node->cmd, "cd", 2) == 0)
return (builtin_cd(node->args, node->head));
return (builtin_cd(node->args, node));
else
return (builtin_export(node->args, node->head));
return (builtin_export(node->args, node));
}
int count_cmds(t_ast_n **pline)
@@ -145,7 +145,7 @@ int exec(t_ast_n *node)
char *path;
handle_redir(node);
path = find_path(node->cmd, node->head->env);
path = find_path(node->cmd, node->msh->env);
if (!path)
return_error(node->cmd, "command not found", 127);
if (access(path, X_OK) != 0)

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@@ -6,7 +6,7 @@
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/27 14:16:52 by lderidde #+# #+# */
/* Updated: 2025/01/31 09:57:17 by lderidde ### ########.fr */
/* Updated: 2025/02/03 13:19:31 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
@@ -52,6 +52,20 @@ char **ft_setnewenv(void)
return (envp);
}
t_msh *init_msh(char **envp)
{
t_msh *msh;
msh = malloc(sizeof(t_msh) * 1);
if (!msh)
return (NULL);
if (!envp[0])
msh->env = ft_setnewenv();
else
msh->env = copy_env_var(envp, count_var(envp));
return (msh);
}
int main(int ac, char **av, char **envp)
{
char *input;
@@ -59,10 +73,9 @@ int main(int ac, char **av, char **envp)
(void)ac;
(void)av;
if (!envp[0])
msh->env = ft_setnewenv();
else
msh->env = copy_env_var(envp, count_var(envp));
msh = init_msh(envp);
if (!msh)
return (1);
while (1)
{
input = powerline();