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CO-CODE Hugo-Luke

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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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189
srcs/parsing/HUGO_WIP.c
View File

@@ -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++;
}
}

45
srcs/parsing/redirections/here_doc.c
View File

@@ -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);
@@ -77,13 +78,14 @@ static int here_doc_write(char *delimiter, int doc_fd)
{
char *line;
size_t line_count;
struct sigaction signal_action;
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
View File

@@ -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);
}