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+ last_exit_status set/get functions for here_doc
+ TODO : replace all occurences of last_exit_status
+ **environ fix
+ builtin_unset() fix
This commit is contained in:
LuckyLaszlo
2021-11-26 20:44:29 +01:00
parent 3465354af5
commit 18d430c5cb
13 changed files with 119 additions and 239 deletions
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1
Makefile
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@@ -36,6 +36,7 @@ SRCS = main.c init.c free.c generic.c \
redirections.c here_doc.c \
exec_cmd_line.c pipeline.c \
find_access.c subshell_exec.c subshell_wait.c simple_cmd_builtin.c \
last_exit_status.c \
cd.c pwd.c export.c unset.c exit.c env.c echo.c
DIR_OBJS = builds

8
headers/minishell_prototypes.h
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@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/08 02:59:58 by lperrey #+# #+# */
/* Updated: 2021/11/24 18:38:11 by hulamy ### ########.fr */
/* Updated: 2021/11/26 19:04:25 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -17,7 +17,7 @@
int switch_heredoc_sigint;
// Init
int init(t_all *c, char *envp[]);
int init(t_all *c);
char **retrieve_path(char *envp[]);
int set_terminal_attributes(struct termios *ori_termios,
struct termios *interactive_termios,
@@ -91,4 +91,8 @@ char *ft_strdup_quotes(const char *s);
void sigint_handler_interactive(int signum);
void sigint_handler_heredoc(int signum);
// last_exit_status
int set_last_exit_status(int new_value);
int get_last_exit_status(void);
#endif

16
srcs/builtins/unset.c
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@@ -5,19 +5,21 @@ int builtin_unset(int argc, char *argv[], t_all *c)
{
extern char **environ;
int env_position;
int i;
(void)argc;
(void)c;
env_position = getenv_position(environ, argv[1]);
if (environ[env_position] == '\0')
return (0);
while (environ[env_position + 1])
i = 1;
while (argv[i])
{
env_position = getenv_position(environ, argv[i]);
free(environ[env_position]);
environ[env_position] = ft_strdup(environ[env_position + 1]);
while (environ[env_position])
{
environ[env_position] = environ[env_position + 1];
env_position++;
}
free(environ[env_position]);
environ[env_position] = NULL;
i++;
}
return (0);
}

4
srcs/free.c
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@@ -14,10 +14,12 @@
int free_exit(t_all *c, int exit_status)
{
extern char **environ;
free(c->prompt_base);
free(c->prompt);
ft_lstclear((t_list **)&c->token_list, free);
// ft_free_2d_arr(c->envp);
ft_free_2d_arr(environ);
ft_free_2d_arr(c->path);
free_pipeline(&c->cmd_arr);
//if (c->termios_changed)

2
srcs/generic.c
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@@ -137,6 +137,8 @@ void *ft_resize_2d_arr(void *ptr, size_t add_nbr)
char **new_arr;
new_arr = ft_calloc(ft_2d_arrlen(ptr) + add_nbr + 1, sizeof (void *));
if (!new_arr)
return (NULL);
arr = (char **)ptr;
i = 0;
while (arr[i])

14
srcs/init.c
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@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/08 09:22:12 by lperrey #+# #+# */
/* Updated: 2021/11/25 23:59:33 by hulamy ### ########.fr */
/* Updated: 2021/11/26 19:02:24 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -18,16 +18,16 @@ static char *init_prompt_base(void);
char *init_prompt(char *prompt_base);
//int init(t_all *c, char *envp[])
int init(t_all *c, char **environ)
int init(t_all *c)
{
(void)environ;
extern char **environ;
g_all = c;
ft_bzero(c, sizeof (*c));
// c->envp = ft_dup_2d_arr(envp, (t_dup_f)ft_strdup); // TEST WIP
// if (!c->envp)
// return (ft_reti_perror(0, "ft_dup_2d_char_arr(envp) error"));
environ = ft_dup_2d_arr(environ, (t_dup_f)ft_strdup);
if (!environ)
return (ft_reti_perror(0, "ft_dup_2d_char_arr(environ) error"));
//print_matrix(c->envp, "\n --- \n"); // TEST WIP
// c->path = retrieve_path(c->envp); // No return check. Its intended. PATH is optional
c->path = retrieve_path(environ); // No return check. Its intended. PATH is optional
c->prompt_base = init_prompt_base();
if (!c->prompt_base)

37
srcs/last_exit_status.c Normal file
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@@ -0,0 +1,37 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* last_exit_status.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/26 19:02:27 by lperrey #+# #+# */
/* Updated: 2021/11/26 19:04:35 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
int set_last_exit_status(int new_value)
{
static int last_exit_status = 0;
if (new_value >= 0)
last_exit_status = new_value;
return (last_exit_status);
}
int get_last_exit_status(void)
{
return (HUGO_set_last_exit_status(-1));
}
/* void ALT_set_last_exit_status(int new_value, int *set_last_exit_status_ptr)
{
static int *last_exit_status_ptr = NULL;
if (set_last_exit_status_ptr)
last_exit_status_ptr = set_last_exit_status_ptr;
else if (new_value >= 0)
*last_exit_status_ptr = new_value;
} */

12
srcs/main.c
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@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/04 05:59:26 by lperrey #+# #+# */
/* Updated: 2021/11/25 19:48:07 by hulamy ### ########.fr */
/* Updated: 2021/11/26 20:33:54 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -16,17 +16,15 @@
int main(int argc, char *argv[])
{
t_all c;
extern char **environ;
(void)argc;
(void)argv;
// if (!init(&c, envp))
if (!init(&c, environ))
if (!init(&c))
free_exit(&c, EXIT_FAILURE);
//putenv("VAR=W1 W2 W3"); // TEMP TEST
//if (isatty(STDIN_FILENO))
// if (argv[1] || !isatty(STDIN_FILENO))
// shell_script(&c);
// else
shell_loop(&c);
//else
// shell_script(&c);
return (0);
}

189
srcs/parsing/HUGO_WIP.c
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@@ -1,189 +0,0 @@
#include "minishell.h"
int is_redirection(enum e_token_id id)
{
if (id == T_LESS) // <
return (1);
else if (id == T_GREAT) // >
return (1);
else if (id == T_DLESS) // <<
return (1);
else if (id == T_DGREAT) // >>
return (1);
else
return (0);
}
// count nbr word in cmd, minus redirection and heredoc
int next_cmd(t_token *token)
{
int i;
i = 0;
while (token && token->id != T_PIPE)
{
if (is_redirection(token->id))
i--;
else
i++;
token = token->next;
}
if (token && token->id == T_PIPE)
token = token->next;
return (i);
}
void handle_argv(t_token *token, t_cmd **cmd, size_t cmd_nbr)
{
int argc;
int j;
int i;
int redirection;
i = 0;
while (cmd_nbr)
{
argc = next_cmd(token);
cmd[i]->argv = calloc(argc + 1, sizeof(char *));
cmd[i]->argv[argc] = NULL;
j = 0;
redirection = is_redirection(token->id);
while (token && token->id != T_PIPE)
{
if (!redirection && token->id == T_WORD)
{
cmd[i]->argv[j] = ft_strdup(token->content);
j++;
}
redirection = is_redirection(token->id);
token = token->next;
}
if (token && token->id == T_PIPE)
token = token->next;
cmd_nbr--;
i++;
}
}
int fill_builtin(t_cmd *cmd, int (*builtin)(int, char **, t_all *))
{
cmd->builtin_command = &builtin;
return (1);
}
int handle_builtin(t_cmd *cmd)
{ // Il faut penser à comparer un char de plus (\0 inclus)
if (!ft_strncmp(cmd->argv[0], "echo", 4))
return (fill_builtin(cmd, &builtin_echo));
// else if (!ft_strncmp(cmd->argv[0], "cd", 2))
// return (fill_builtin(cmd, &builtin_cd));
// else if (!ft_strncmp(cmd->argv[0], "pwd", 3))
// return (fill_builtin(cmd, &builtin_pwd));
// else if (!ft_strncmp(cmd->argv[0], "export", 6))
// return (fill_builtin(cmd, &builtin_export));
// else if (!ft_strncmp(cmd->argv[0], "unset", 5))
// return (fill_builtin(cmd, &builtin_unset));
else if (!ft_strncmp(cmd->argv[0], "env", 3))
return (fill_builtin(cmd, &builtin_env));
else if (!ft_strncmp(cmd->argv[0], "exit", 4))
return (fill_builtin(cmd, &builtin_exit));
return (0);
}
void find_path(char **argv, char **envp)
{
int i;
char **path;
char *cmd;
i = 0;
while (envp[i] && ft_strncmp(envp[i], "PATH=", 5))
i++;
path = ft_split(envp[i] + 5, ':'); // 5 = lentgh of "PATH="
i = -1;
while (*path && i != 0)
{
cmd = ft_strjoin(path[0], "/");
cmd = ft_strjoin(cmd, argv[0]);
i = access(cmd, X_OK);
path++;
}
if (!(*path))
exit(0); // gerer erreur
argv[0] = cmd;
}
void handle_path(t_cmd **cmd_arr, char **envp)
{
int i;
i = 0;
while (cmd_arr[i])
{
if (!handle_builtin(cmd_arr[i]))
find_path(cmd_arr[i]->argv, envp);
i++;
}
}
void fd_redirection(t_token *token, t_cmd *cmd)
{
int flag;
if (token->id == T_LESS) // '<'
{
flag = O_RDONLY | O_CREAT; // O_CREAT ? Pourquoi donc ?
if (cmd->fd_in != 0)
close(cmd->fd_in);
cmd->fd_in = open(token->next->content, flag);
}
else if (token->id == T_GREAT) // '>'
{
flag = O_WRONLY | O_CREAT | O_TRUNC;
cmd->fd_out = open(token->next->content, flag, S_IRWXU);
}
else if (token->id == T_DGREAT) // '>>'
{
flag = O_WRONLY | O_CREAT | O_APPEND;
cmd->fd_out = open(token->next->content, flag, S_IRWXU);
}
}
void fd_heredoc(t_token *token, t_cmd *cmd)
{
(void)token;
(void)cmd;
}
void handle_fd(t_token *token, t_cmd **cmd_arr)
{
int *pipes_fd;
int i;
i = 0;
while (cmd_arr[i])
{
cmd_arr[i]->fd_out = 1;
while (token && token->id != T_PIPE)
{
if (token->id == T_DGREAT) // '<<'
fd_heredoc(token, cmd_arr[i]);
else
fd_redirection(token, cmd_arr[i]);
token = token->next;
}
if (token && token->id == T_PIPE)
{
token = token->next;
pipes_fd = calloc(2, sizeof(int));
pipe(pipes_fd);
if (cmd_arr[i]->fd_out == 1)
cmd_arr[i]->fd_out = pipes_fd[1];
else
close(pipes_fd[1]);
cmd_arr[i + 1]->fd_in = pipes_fd[0];
}
i++;
}
}

43
srcs/parsing/redirections/here_doc.c
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@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/11 18:46:43 by lperrey #+# #+# */
/* Updated: 2021/11/25 22:21:16 by hulamy ### ########.fr */
/* Updated: 2021/11/26 20:00:25 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -29,23 +29,24 @@ int here_doc(char *delimiter)
// Peut-être remplacer gnl() par readline() pour avoir une gestion correct
// du terminal (actuellement l'affichage lors du changement de ligne est foireux).
int here_doc;
int ret;
here_doc = open(TMP_HERE_DOC, O_WRONLY | O_CREAT | O_TRUNC, S_IRWXU);
if (here_doc == -1)
return (ft_reti_perror_io(-1, "open() ", TMP_HERE_DOC));
delimiter = ft_strdup_quotes(delimiter);
if (!delimiter)
return (ft_reti_perror(-1, "ft_strdup_quotes()"));
if (!here_doc_write(delimiter, here_doc))
{
free(delimiter);
if (unlink(TMP_HERE_DOC) == -1)
return (ft_reti_perror_io(-1, "unlink() ", TMP_HERE_DOC));
return (-1);
}
here_doc = open(TMP_HERE_DOC, O_WRONLY | O_CREAT | O_TRUNC, S_IRWXU);
if (here_doc == -1)
return (ft_reti_perror_io(-1, "open() ", TMP_HERE_DOC));
ret = here_doc_write(delimiter, here_doc);
free(delimiter);
if (close(here_doc) == -1)
ft_perror_io("close() ", TMP_HERE_DOC);
if (ret != 0)
{
if (unlink(TMP_HERE_DOC) == -1)
return (ft_reti_perror_io(ret, "unlink() ", TMP_HERE_DOC));
return (ret);
}
here_doc = open(TMP_HERE_DOC, O_RDONLY);
if (here_doc == -1)
ft_perror_io("open() ", TMP_HERE_DOC);
@@ -79,11 +80,12 @@ static int here_doc_write(char *delimiter, int doc_fd)
size_t line_count;
struct sigaction signal_action;
ft_bzero(&signal_action, sizeof(signal_action));
signal_action.sa_handler = sigint_handler_heredoc;
sigaction(SIGINT, &signal_action, NULL);
switch_heredoc_sigint = 0;
//rl_event_hook = void_func_return_readline;
rl_signal_event_hook = void_func_return_readline;
rl_event_hook = void_func_return_readline;
//rl_signal_event_hook = void_func_return_readline;
line_count = 0;
while (1)
{
@@ -91,10 +93,7 @@ static int here_doc_write(char *delimiter, int doc_fd)
line = NULL;
line = readline("> ");
if (switch_heredoc_sigint == 1)
{
// todo : gerer le statut exit 130
return (1);
}
return (set_last_exit_status(128 + SIGINT)); // TODO Macro for error
if (!line)
{ // TODO : error print wrapper
ft_putstr_fd("minishell: ", 2);
@@ -103,18 +102,20 @@ static int here_doc_write(char *delimiter, int doc_fd)
ft_putstr_fd(" delimited by end-of-file (wanted `", 2);
ft_putstr_fd(delimiter, 2);
ft_putstr_fd("')\n", 2);
return (1);
return (-1);
}
if (ft_strncmp(line, delimiter, ft_strlen(line) + 1) == 0) // Ou ft_strlen(delimiter) + 1 ? Ça devrais être identique et ça peux se calculer une seul fois.
break ;
if (write(doc_fd, line, ft_strlen(line)) == -1)
return (ft_reti_perror_free(0, line, free, "write() "TMP_HERE_DOC));
return (ft_reti_perror_free(-1, line, free, "write() "TMP_HERE_DOC));
if (write(doc_fd, "\n", 1) == -1)
return (ft_reti_perror_free(0, line, free, "write() "TMP_HERE_DOC));
return (ft_reti_perror_free(-1, line, free, "write() "TMP_HERE_DOC));
free(line);
}
free(line);
return (1);
signal_action.sa_handler = SIG_IGN;
sigaction(SIGINT, &signal_action, NULL);
return (0);
}
/*

9
srcs/parsing/redirections/redirections.c
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@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/11 18:46:43 by lperrey #+# #+# */
/* Updated: 2021/11/18 22:17:44 by hulamy ### ########.fr */
/* Updated: 2021/11/26 20:00:42 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -67,7 +67,12 @@ static int redirect_cmd_input(t_token *t, t_cmd *cmd)
{
cmd->fd_in = here_doc(t->next->content);
if (cmd->fd_in == -1)
return (ft_reti_print(0, "minishell: heredoc error\n", 2));
{
ft_putstr_fd("minishell: heredoc error\n", 2);
cmd->error = 42; // WIP error status
}
else if (cmd->fd_in > 128) // TODO Macro
return (0);
}
return (1);
}

17
tests/env_var_test.c Normal file
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@@ -0,0 +1,17 @@
# include <stdio.h>
# include <stdlib.h>
int main(int argc, char *argv[], char *envp[])
{
int i;
printf("argc = %i\n", argc);
i = 0;
while (argv[i])
{
printf("%s = |%s|\n", argv[i], getenv(argv[i]));
i++;
}
return (0);
}

0
test_environ.c → tests/test_environ.c
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