114 lines
2.0 KiB
C
114 lines
2.0 KiB
C
|
|
#include "minishell.h"
|
|
|
|
void close_fd(t_cmd *cmd, pid_t pid)
|
|
{
|
|
if (cmd->fd_in != 0)
|
|
close(cmd->fd_in);
|
|
if (pid == 0)
|
|
{
|
|
if (cmd->pipe_out != 1)
|
|
{
|
|
close(cmd->pipe_in);
|
|
close(cmd->pipe_out);
|
|
}
|
|
if (cmd->fd_out != 1)
|
|
close(cmd->fd_out);
|
|
}
|
|
else
|
|
{
|
|
if (cmd->fd_out != 1 && cmd->fd_redirect == 1)
|
|
close(cmd->fd_out);
|
|
}
|
|
}
|
|
|
|
void exec_cmd(char **envp, t_list *cmd_list)
|
|
{
|
|
t_cmd *cmd;
|
|
pid_t pid;
|
|
pid_t wpid;
|
|
int status;
|
|
|
|
while(cmd_list)
|
|
{
|
|
cmd = cmd_list->content;
|
|
pid = fork();
|
|
if (pid == 0)
|
|
{
|
|
if (cmd->fd_in != 0)
|
|
dup2(cmd->fd_in, STDIN_FILENO);
|
|
if (cmd->fd_out != 1)
|
|
dup2(cmd->fd_out, STDOUT_FILENO);
|
|
close_fd(cmd, pid);
|
|
execve(cmd->argv[0], cmd->argv, envp);
|
|
}
|
|
else
|
|
{
|
|
close_fd(cmd, pid);
|
|
// if (cmd->fd_in != 0)
|
|
// close(cmd->fd_in);
|
|
// if (cmd->fd_out != 1 && cmd->fd_redirect == 1)
|
|
// close(cmd->fd_out);
|
|
}
|
|
while ((wpid = wait(&status)) > 0);
|
|
cmd_list = cmd_list->next;
|
|
}
|
|
}
|
|
|
|
void shell_loop(t_all *c)
|
|
{
|
|
char *line_input;
|
|
t_list *cmd;
|
|
|
|
line_input = NULL;
|
|
while (1)
|
|
{
|
|
if (line_input)
|
|
free(line_input);
|
|
line_input = readline(c->prompt);
|
|
if (line_input && *line_input)
|
|
{
|
|
cmd = parser(line_input, c->envp);
|
|
exec_cmd(c->envp, cmd);
|
|
}
|
|
}
|
|
}
|
|
|
|
void wip_test()
|
|
{
|
|
char term_desc[2048];
|
|
char *term_type;
|
|
int term_width;
|
|
int term_height;
|
|
int ret;
|
|
|
|
term_type = getenv("TERM");
|
|
if (term_type == 0)
|
|
ft_putstr_fd("Specify a terminal type with `setenv TERM <yourtype>'.\n", 2);
|
|
ret = tgetent(term_desc, term_type);
|
|
if (ret < 0)
|
|
ft_putstr_fd("Could not access the termcap data base.\n", 2);
|
|
if (ret == 0)
|
|
ft_putstr_fd("Terminal type `%s' is not defined.\n", 2);
|
|
term_height = tgetnum ("li");
|
|
term_width = tgetnum ("co");
|
|
/* Extract information that termcap functions use. */
|
|
/* temp = tgetstr ("pc", BUFFADDR);
|
|
PC = temp ? *temp : 0;
|
|
BC = tgetstr ("le", BUFFADDR);
|
|
UP = tgetstr ("up", BUFFADDR); */
|
|
}
|
|
|
|
int main(int argc, char *argv[], char *envp[])
|
|
{
|
|
t_all c;
|
|
|
|
(void)argc;
|
|
(void)argv;
|
|
if (!init(&c, envp))
|
|
exit(EXIT_FAILURE);
|
|
shell_loop(&c);
|
|
return (0);
|
|
}
|
|
|