X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=std.c;h=5c12fbd6774a47c53401cb5f71ec17bf4aa15847;hb=746931a3d4114f9bd35a43307fd48bfa64ff0d8b;hp=5b430b8111e525833f4c080aff7a992257f40099;hpb=b3902ca1782515ee8b9cd38af10e51bc3ba2fc98;p=st.git

diff --git a/std.c b/std.c
index 5b430b8..5c12fbd 100644
--- a/std.c
+++ b/std.c
@@ -264,24 +264,18 @@ ungetch(int c) {
 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 {