command.cpp

#include <iostream>
#include <string>
#include <vector>
#include <sstream>
#include <unistd.h>
#include <sys/wait.h>
#include <cstring>
#include "command.hpp"

std::vector<std::string> split_command(const std::string& komut) {
	std::istringstream iss(komut);
	std::string kelime;
	std::vector<std::string> sonuc;
	while (iss >> kelime) {
		sonuc.push_back(kelime);
	}
	return sonuc;
}

int command(const std::string& komut) {
	std::vector<std::string> args = split_command(komut);
	if (args.empty()) {
		std::cerr << "empty command" << std::endl;
		return 1;
	} std::vector<char*> argv;
	for (auto& s : args) {
		argv.push_back(strdup(s.c_str()));
	} argv.push_back(nullptr);
	pid_t pid = fork();
	if (pid == -1) {
		std::cerr << "fork() error!" << std::endl;
		return 1;
	} else if (pid == 0) {
		execvp(argv[0], argv.data());
		std::cerr << "execvp failed" << std::endl;
		exit(1);
	} else {
		int durum;
		waitpid(pid, &durum, 0);
		for (char* ptr : argv) free(ptr);
	if (WIFEXITED(durum)) {
		return WEXITSTATUS(durum);  // Çocuğun exit kodunu döndür
	} else {
		return 1; // abnormal termination
	}}}