Propagate window size changes to slave.

diff --git a/usr.bin/script/script.c b/usr.bin/script/script.c
index 4857f67..187c4ec 100644 (file)
--- a/usr.bin/script/script.c
+++ b/usr.bin/script/script.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: script.c,v 1.11 2000/03/22 20:25:19 ericj Exp $       */
+/*     $OpenBSD: script.c,v 1.12 2000/04/16 20:28:54 espie Exp $       */
 /*     $NetBSD: script.c,v 1.3 1994/12/21 08:55:43 jtc Exp $   */
 
 /*
@@ -44,7 +44,7 @@ static char copyright[] =
 #if 0
 static char sccsid[] = "@(#)script.c   8.1 (Berkeley) 6/6/93";
 #endif
-static char rcsid[] = "$OpenBSD: script.c,v 1.11 2000/03/22 20:25:19 ericj Exp $";
+static char rcsid[] = "$OpenBSD: script.c,v 1.12 2000/04/16 20:28:54 espie Exp $";
 #endif /* not lint */
 
 #include <sys/types.h>
@@ -81,6 +81,8 @@ __dead        void done __P((int));
        void fail __P((void));
        void finish __P((int));
        void scriptflush __P((int));
+       void handlesigwinch __P((int));
+
 
 int
 main(argc, argv)
@@ -126,6 +128,7 @@ main(argc, argv)
        rtt.c_lflag &= ~ECHO;
        (void)tcsetattr(STDIN_FILENO, TCSAFLUSH, &rtt);
 
+       (void)signal(SIGWINCH, handlesigwinch);
        (void)signal(SIGCHLD, finish);
        child = fork();
        if (child < 0) {
@@ -173,6 +176,22 @@ finish(signo)
        errno = save_errno;
 }
 
+void
+handlesigwinch(signo)
+       int signo;
+{
+       struct winsize win;
+       pid_t pgrp;
+       int save_errno = errno;
+
+       if (ioctl(STDIN_FILENO, TIOCGWINSZ, &win) != -1) {
+           ioctl(slave, TIOCSWINSZ, &win);
+           if (ioctl(slave, TIOCGPGRP, &pgrp) != -1)
+               killpg(pgrp, SIGWINCH);
+       }
+       errno = save_errno;
+}
+
 void
 dooutput()
 {