int main(int argc, char *argv[]) { struct info i; enum FMT fmt; int ch; setprogname(argv[0]); (void)setlocale(LC_ALL, ""); fmt = STTY_NOTSET; i.fd = STDIN_FILENO; opterr = 0; while (optind < argc && strspn(argv[optind], "-aefg") == strlen(argv[optind]) && (ch = getopt(argc, argv, "aef:g")) != -1) switch(ch) { case 'a': /* undocumented: POSIX compatibility */ fmt = STTY_POSIX; break; case 'e': fmt = STTY_BSD; break; case 'f': if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0) err(1, "%s", optarg); break; case 'g': fmt = STTY_GFLAG; break; case '?': default: goto args; } args: argc -= optind; argv += optind; if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0) err(1, "TIOCGETD"); if (tcgetattr(i.fd, &i.t) < 0) err(1, "tcgetattr"); if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0) warn("TIOCGWINSZ"); switch(fmt) { case STTY_NOTSET: if (*argv) break; /* FALLTHROUGH */ case STTY_BSD: case STTY_POSIX: print(&i.t, &i.win, i.ldisc, fmt); break; case STTY_GFLAG: gprint(&i.t); break; } for (i.set = i.wset = 0; *argv; ++argv) { if (ksearch(&argv, &i)) continue; if (csearch(&argv, &i)) continue; if (msearch(&argv, &i)) continue; if (isdigit((unsigned char)**argv)) { int speed; speed = atoi(*argv); cfsetospeed(&i.t, speed); cfsetispeed(&i.t, speed); i.set = 1; continue; } if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) { gread(&i.t, *argv + sizeof("gfmt1") - 1); i.set = 1; continue; } warnx("illegal option -- %s", *argv); usage(); } if (i.set && tcsetattr(i.fd, 0, &i.t) < 0) err(1, "tcsetattr"); if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0) warn("TIOCSWINSZ"); exit(0); /* NOTREACHED */ }
int main(int argc, char *argv[]) { struct info i; enum FMT fmt; int ch; fmt = NOTSET; i.fd = STDIN_FILENO; opterr = 0; while (optind < argc && strspn(argv[optind], "-aefg") == strlen(argv[optind]) && (ch = getopt(argc, argv, "aef:g")) != -1) switch(ch) { case 'a': /* undocumented: POSIX compatibility */ fmt = POSIX; break; case 'e': fmt = BSD; break; case 'f': if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0) err(1, "%s", optarg); break; case 'g': fmt = GFLAG; break; default: goto args; } args: argc -= optind; argv += optind; if (tcgetattr(i.fd, &i.t) < 0) errx(1, "not a terminal"); if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0 ) err(1, "TIOCGETD"); if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0) warn("TIOCGWINSZ"); switch(fmt) { case NOTSET: if (*argv) break; /* FALLTHROUGH */ case BSD: case POSIX: print(&i.t, &i.win, i.ldisc, fmt); break; case GFLAG: gprint(&i.t, &i.win, i.ldisc); break; } for (i.set = i.wset = 0; *argv; ++argv) { if (ksearch(&argv, &i)) continue; if (csearch(&argv, &i)) continue; if (msearch(&argv, &i)) continue; if (isdigit(**argv)) { const char *error; int speed; speed = strtonum(*argv, 0, INT_MAX, &error); if (error) err(1, "%s", *argv); cfsetospeed(&i.t, speed); cfsetispeed(&i.t, speed); i.set = 1; continue; } if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) { gread(&i.t, *argv + sizeof("gfmt1") - 1); i.set = 1; continue; } warnx("illegal option -- %s", *argv); usage(); } if (i.set && tcsetattr(i.fd, 0, &i.t) < 0) err(1, "tcsetattr"); if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0) warn("TIOCSWINSZ"); return (0); }