Files
minishell/srcs/exec_bonus.c
mdev9 e05465348d wip
2024-04-01 11:17:12 +02:00

144 lines
3.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* exec_bonus.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/03/28 13:50:14 by tomoron #+# #+# */
/* Updated: 2024/04/01 11:16:05 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
void exec_command_bonus(t_msh *msh, char *cmd_str)
{
t_cmd *cmds;
(void)msh;
//printf("cmd : %s\n",cmd_str);
cmds = parsing_bonus(cmd_str);
//printf("%p\n", cmds);
while (cmds && cmds->next)
{
if (cmds->cmd_type == CMD)
{
msh->tokens = parse_command(cmds->value, msh->env);
print_parsed_cmd(cmds);
print_parsed_token(msh->tokens);
msh->cmds = cmds;
exec_commands(msh);
}
cmds = cmds->next;
}
if (cmds && cmds->cmd_type == CMD)
{
msh->tokens = parse_command(cmds->value, msh->env);
print_parsed_cmd(cmds);
print_parsed_token(msh->tokens);
msh->cmds = cmds;
exec_commands(msh);
}
}
int exec(t_msh *msh, char **cmd_args, int i, int cmd_count, int is_pipe)
{
pid_t pid;
if (i != cmd_count - 1)
{
if (pipe(msh->fds[i]) == -1)
{
perror("pipe");
ft_exit(msh, 1);
}
}
pid = fork();
if (pid == -1)
{
perror("fork");
ft_exit(msh, 1);
}
if (pid == 0)
child(msh, cmd_args, i, is_pipe);
else
{
parent(msh, i, cmd_count);
msh->pids[i] = pid;
free(cmd_args);
}
return (0);
}
void exec_command(t_msh *msh, int i, int cmd_count)
{
g_return_code = 0;
msh->fds[i] = ft_calloc(2, sizeof(int *));
if (!msh->fds[i])
ft_exit(msh, 1);
if (first_is_in_type(msh))
{
get_in_type(msh, msh->tokens);
if (!g_return_code)
get_out_type(msh, msh->tokens);
}
else
{
get_out_type(msh, msh->tokens);
if (!g_return_code)
get_in_type(msh, msh->tokens);
}
if (!cmd_is_builtin(msh, msh->cmds->value))
get_cmd_path(msh);
exec(msh, get_cmd_args(msh), i, cmd_count, 1);
remove_command_from_msh(msh);
}
void end_execution(t_msh *msh, int cmd_count)
{
int i;
int status;
i = 0;
while (i < cmd_count)
waitpid(msh->pids[i++], &status, 0);
if (!g_return_code && WIFEXITED(status))
g_return_code = WEXITSTATUS(status);
if (WIFSIGNALED(status) && WTERMSIG(status) == SIGQUIT)
printf("Quit (core dumped)\n");
i = 0;
while (i < cmd_count)
{
free(msh->fds[i]);
msh->fds[i] = 0;
i++;
}
free(msh->fds);
msh->fds = 0;
free(msh->pids);
msh->pids = 0;
//signal(SIGINT, signal_handler_interactive); //enables ctrl-C
signal(SIGQUIT, signal_handler_interactive);
set_echoctl(0);
}
void exec_commands(t_msh *msh)
{
int cmd_count;
int i;
i = -1;
if (!msh->cmds)
return ;
cmd_count = get_cmd_count(msh->cmds);
ft_printf("cmd_count: %d\n", cmd_count);
msh->fds = ft_calloc(cmd_count, sizeof(int **));
msh->pids = ft_calloc(cmd_count, sizeof(int *));
if (!msh->pids || !msh->fds)
ft_exit(msh, 1);
while (++i < cmd_count)
exec_command(msh, i, cmd_count);
end_execution(msh, cmd_count);
}