git: 7a254e64bf3d - stable/13 - script: Correct -F in man page and usage string.

The branch stable/13 has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=7a254e64bf3d0d7d81f80ffa5ae00cd73deb7e6d

commit 7a254e64bf3d0d7d81f80ffa5ae00cd73deb7e6d
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2022-10-26 18:08:12 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2022-11-02 09:44:48 +0000

    script: Correct -F in man page and usage string.
    
    Sponsored by:   Klara, Inc.
    MFC after:      1 week
    Differential Revision:  https://reviews.freebsd.org/D37138
    
    (cherry picked from commit 8e096e24d4344b6d3d16e24d58d5d8a0fa9733c9)
    
    script: Add usage string for playback mode.
    
    Sponsored by:   Klara, Inc.
    Differential Revision:  https://reviews.freebsd.org/D37138
    
    (cherry picked from commit e7c13cf4383d8216149becf7f843a2e00b30d2e2)
    
    script: Use size_t / ssize_t where needed.
    
    Sponsored by:   Klara, Inc.
    Differential Revision:  https://reviews.freebsd.org/D37177
    
    (cherry picked from commit 3276866f40caaf3d5605d5695f460cbdf035ef45)
    
    script: Further usage string nits.
    
    Sponsored by:   Klara, Inc.
    Differential Revision:  https://reviews.freebsd.org/D37177
    
    (cherry picked from commit 6ac087cf8ff4de22dc0b1b7ce1248f0a1558ddc2)
    
    script: Handle a missing 's' stamp gracefully.
    
    Sponsored by:   Klara, Inc.
    Differential Revision: https://reviews.freebsd.org/D37182
    
    (cherry picked from commit 473e9fcab4ea9379f53e1f7d8e41f5a5754d0007)
---
 usr.bin/script/script.1 |  7 +++----
 usr.bin/script/script.c | 12 ++++++++----
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/usr.bin/script/script.1 b/usr.bin/script/script.1
index 36523148fa90..350a5e791e81 100644
--- a/usr.bin/script/script.1
+++ b/usr.bin/script/script.1
@@ -28,7 +28,7 @@
 .\"	@(#)script.1	8.1 (Berkeley) 6/6/93
 .\" $FreeBSD$
 .\"
-.Dd March 9, 2022
+.Dd October 26, 2022
 .Dt SCRIPT 1
 .Os
 .Sh NAME
@@ -36,8 +36,7 @@
 .Nd make typescript of terminal session
 .Sh SYNOPSIS
 .Nm
-.Op Fl aefkqr
-.Op Fl F Ar pipe
+.Op Fl aeFfkqr
 .Op Fl t Ar time
 .Op Ar file Op Ar command ...
 .Nm
@@ -88,7 +87,7 @@ Accepted for compatibility with
 .Nm .
 The child command exit status is always the exit status of
 .Nm .
-.It Fl F Ar pipe
+.It Fl F
 Immediately flush output after each write.
 This will allow a user to create a named pipe using
 .Xr mkfifo 1
diff --git a/usr.bin/script/script.c b/usr.bin/script/script.c
index 430f48ad63df..1d3588c26d8b 100644
--- a/usr.bin/script/script.c
+++ b/usr.bin/script/script.c
@@ -73,8 +73,8 @@ struct stamp {
 
 struct buf_elm {
 	TAILQ_ENTRY(buf_elm) link;
-	int rpos;
-	int len;
+	size_t rpos;
+	size_t len;
 	char ibuf[];
 };
 
@@ -107,7 +107,6 @@ static void usage(void);
 int
 main(int argc, char *argv[])
 {
-	int cc;
 	struct termios rtt, stt;
 	struct winsize win;
 	struct timeval tv, *tvp;
@@ -116,6 +115,7 @@ main(int argc, char *argv[])
 	char ibuf[BUFSIZ];
 	fd_set rfd, wfd;
 	struct buf_elm *be;
+	ssize_t cc;
 	int aflg, Fflg, kflg, pflg, ch, k, n, fcm;
 	int flushtime, readstdin;
 	int fm_fd, fm_log;
@@ -366,7 +366,9 @@ static void
 usage(void)
 {
 	(void)fprintf(stderr,
-	    "usage: script [-adfkpqr] [-t time] [file [command ...]]\n");
+	    "usage: script [-aeFfkpqr] [-t time] [file [command ...]]\n");
+	(void)fprintf(stderr,
+	    "       script -p [-deq] [-T fmt] [file]\n");
 	exit(1);
 }
 
@@ -550,6 +552,8 @@ playback(FILE *fp)
 		tclock = stamp.scr_sec;
 		tso.tv_sec = stamp.scr_sec;
 		tso.tv_nsec = stamp.scr_usec * 1000;
+		if (nread == 0)
+			tsi = tso;
 
 		switch (stamp.scr_direction) {
 		case 's':