- char *ret;
- ret = getcwd(str, size);
- str[size - 1] = 0;
- return ret ? true : false;
+ pid_t pid = fork();
+ if (pid == 0) {
+ // child
+ execvp(args[0], args);
+ fprintf(stderr, "error: failed to execute %s\n", args[0]);
+ exit(-1);
+ } else {
+ // parent
+ if (pid == -1) {
+ fprintf(stderr, "error: failed to fork\n");
+ return -1;
+ }
+ int status = -1;
+ waitpid(pid, &status, 0);
+ return status;
+ }