int
main(int argc, char *argv[]) {
fd_set rfds;
- int r;
- if(argc == 2 && !strcmp("-v", argv[1])) {
- fprintf(stderr, "std-"VERSION", © 2008 Matthias-Christian Ott\n");
- exit(EXIT_SUCCESS);
- }
- else if(argc == 1) {
- fprintf(stderr, "usage: st [-v]\n");
- exit(EXIT_FAILURE);
- }
+ if(argc == 2 && !strcmp("-v", argv[1]))
+ errx(EXIT_SUCCESS, "std-"VERSION", © 2008 Matthias-Christian Ott");
+ else if(argc == 1)
+ errx(EXIT_FAILURE, "usage: st [-v]");
getpty();
shell();
FD_ZERO(&rfds);
FD_SET(STDIN_FILENO, &rfds);
FD_SET(ptm, &rfds);
for(;;) {
- r = select(ptm + 1, &rfds, NULL, NULL, NULL);
- if(r == -1)
+ if(select(ptm + 1, &rfds, NULL, NULL, NULL) == -1)
err(EXIT_FAILURE, "cannot select");
if(FD_ISSET(ptm, &rfds)) {
do {