int execute_builtin(cmd_t* cmd, job_list_t* jobs, history_t* hist) {
// List jobs.
if (strcmp(cmd->args[0], "jobs") == 0) {
add_to_history(hist, cmd);
return builtin_jobs(jobs);
}
// List history.
if (strcmp(cmd->args[0], "history") == 0) {
int exit_code = builtin_history(hist);
add_to_history(hist, cmd);
return exit_code;
}
// Exit.
if (strcmp(cmd->args[0], "exit") == 0) {
return builtin_exit();
}
// Change directory.
if (strcmp(cmd->args[0], "cd") == 0) {
int exit_code = builtin_cd(cmd);
if (exit_code == 0) {
add_to_history(hist, cmd);
}
return exit_code;
}
// Print working directory.
if (strcmp(cmd->args[0], "pwd") == 0) {
add_to_history(hist, cmd);
return builtin_pwd();
}
// Bring to foreground.
if (strcmp(cmd->args[0], "fg") == 0) {
int exit_code = builtin_fg(cmd, jobs);
if (exit_code == 0) {
add_to_history(hist, cmd);
}
return exit_code;
}
// Execute from history.
char* endptr = NULL;
long num = strtol(cmd->args[0], &endptr, 10);
if (*endptr == '\0' && !(num == 0 && errno == EINVAL)) {
// Do not save to history to avoid confusion.
int exit_code = builtin_exec_from_history(cmd, jobs, hist);
freecmd(cmd);
return exit_code;
}
// Command not found.
return COMMAND_NOT_FOUND;
}
void execute_job(job_t* job) {
/*Check commandline for built-in commands*/
if (check_command(job, "cd")) { //change directory - alter current directory and remove completed job
chdir(job->first_process->argv[1]);
remove_job(job);
}
else if (check_command(job, "jobs")) { //display current jobs and their statuses (stati?)
remove_job(job);
builtin_jobs();
}
else if (check_command(job, "bg")) { //resume background job with specified number
resume_background_job(atoi(job->first_process->argv[1])); //atoi interprets string as integer value
remove_job(job);
}
else if (check_command(job, "fg")) { //continue foreground job with specified number
resume_foreground_job(atoi(job->first_process->argv[1]));
remove_job(job);
}
else { //Default case, not built in command - spawn the new job
spawn_job(job, !job->bg);
}
}
// si le premier parametre est une commande integree,
// l'executer et renvoyer "vrai"
bool builtin_command(char **argv) {
if (argv[0] == NULL) // commande vide
return true;
if (strcmp(argv[0], "&") == 0) // ignorer & tout seul
return true;
builtin("exit", exit_try());
builtin("quit", exit_try());
builtin("jobs", builtin_jobs());
builtin("fg", builtin_fg(argv));
builtin("bg", builtin_bg(argv));
builtin("int", builtin_int(argv));
builtin("term", builtin_term(argv));
builtin("stop", builtin_stop(argv));
builtin("wait", builtin_wait());
builtin("dirs", dirs_print());
builtin("cd", dirs_cd(argv[1]));
builtin("pushd", dirs_pushd(argv[1]));
builtin("popd", dirs_popd());
return false; // ce n'est pas une commande integree
}