static int use_execve(t_tree *tree, t_env **env, char *cmd)
{
char **tab_env;
char **tab_lex;
int pid;
int exec_val;
exec_val = 0;
if ((tab_env = env_to_tab(*env)) == NULL ||
((tab_lex = lex_to_tab(tree->lexer)) == NULL) ||
((pid = fork()) == -1))
return (my_perror(QUIT_ERR, QUIT_RET));
if (pid == 0)
{
if (execve(cmd, tab_lex, tab_env) == -1)
return (my_perror(QUIT_ERR, QUIT_RET));
}
else
{
if (wait(&exec_val) == -1)
return (my_perror(QUIT_ERR, QUIT_RET));
exec_val = WEXITSTATUS(exec_val);
}
free_tab(tab_env);
free_tab(tab_lex);
free(cmd);
return (exec_val);
}
int ft_apply_cmds(t_op *op)
{
char **envp;
int cmd;
cmd = 0;
envp = env_to_tab();
while (op)
{
if (op->type == 0 || (cmd && op->type == 1) || (!cmd && op->type == 2))
{
term_reset();
if (!test_alone(op->pipe, envp, &cmd))
test_pipe(op->pipe, envp, &cmd);
term_initiate();
}
op = op->next;
}
ft_delfulltab((void ***)&envp);
return (1);
}
void execute(t_app *app)
{
int rt;
while (app->cur_cmd && !app->bad_cmd)
{
if (app->cur_cmd->next && app->cur_cmd->next->piped)
pipe(app->cur_cmd->next->fildes);
set_cmd(app);
if (!app->cur_cmd->cmd)
return ;
app->cur_cmd->child_pid = fork();
if (app->cur_cmd->child_pid == 0)
{
if (app->cur_cmd->next && app->cur_cmd->next->piped)
{
close(app->cur_cmd->next->fildes[0]);
dup2(app->cur_cmd->next->fildes[1], 1);
}
if (app->cur_cmd->piped)
{
dup2(app->cur_cmd->fildes[0], 0);
}
link_out_file(&app->cur_cmd->files);
link_in_file(&app->cur_cmd->files);
//print_files_lst(&app->cur_cmd->files);
execve(app->cur_cmd->cmd, cmd_to_tab(app) , env_to_tab(app));
}
if (app->cur_cmd->next && app->cur_cmd->next->piped)
close(app->cur_cmd->next->fildes[1]);
if (app->cur_cmd->piped)
close(app->cur_cmd->fildes[0]);
wait(&rt);
app->cur_cmd = app->cur_cmd->next;
}
}