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From: Mikolaj Golub <trociny@FreeBSD.org>
Date: Fri, 21 Oct 2011 05:40:30 +0000 (UTC)
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Subject: svn commit: r226592 - stable/8/usr.bin/script
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Author: trociny
Date: Fri Oct 21 05:40:30 2011
New Revision: 226592
URL: http://svn.freebsd.org/changeset/base/226592

Log:
  MFC r226403:
  
  In r225809 the intention was to send VEOF only once if STDIN was not a
  terminal. Unfortunately the fix was incorrect and for flushtime > 0 it
  keept sending VEOF.
  
  Sent VEOF generates ^D\b\b echoed by the terminal, which was reported
  in bin/161526. Note, we still send VEOF at least once. Otherwise
  commands like below would hang forever:
  
    echo 1 |script /tmp/script.out cat
  
  PR:		bin/161526
  Reported by:	Adrian Wontroba <aw1@stade.co.uk>, Stefan Bethke <stb@lassitu.de>
  Tested by:	Stefan Bethke <stb@lassitu.de>

Modified:
  stable/8/usr.bin/script/script.c
Directory Properties:
  stable/8/usr.bin/script/   (props changed)

Modified: stable/8/usr.bin/script/script.c
==============================================================================
--- stable/8/usr.bin/script/script.c	Fri Oct 21 05:37:40 2011	(r226591)
+++ stable/8/usr.bin/script/script.c	Fri Oct 21 05:40:30 2011	(r226592)
@@ -168,12 +168,15 @@ main(int argc, char *argv[])
 		FD_SET(master, &rfd);
 		if (readstdin)
 			FD_SET(STDIN_FILENO, &rfd);
-		if ((!readstdin && ttyflg) || flushtime > 0) {
-			tv.tv_sec = !readstdin && ttyflg ? 1 :
-			    flushtime - (tvec - start);
+		if (!readstdin && ttyflg) {
+			tv.tv_sec = 1;
 			tv.tv_usec = 0;
 			tvp = &tv;
 			readstdin = 1;
+		} else if (flushtime > 0) {
+			tv.tv_sec = flushtime - (tvec - start);
+			tv.tv_usec = 0;
+			tvp = &tv;
 		} else {
 			tvp = NULL;
 		}