+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
#ifndef lint
-static char sccsid[] = "@(#)wwenviron.c 3.11 %G%";
-#endif
+static char sccsid[] = "@(#)wwenviron.c 3.20 (Berkeley) %G%";
+#endif /* not lint */
#include "ww.h"
+#include <sys/signal.h>
/*
* Set up the environment of this process to run in window 'wp'.
{
register i;
int pgrp = getpid();
+ char buf[1024];
if ((i = open("/dev/tty", 0)) < 0)
goto bad;
- if (ioctl(i, (int)TIOCNOTTY, (char *)0) < 0)
+ if (ioctl(i, TIOCNOTTY, (char *)0) < 0)
goto bad;
(void) close(i);
if ((i = wp->ww_socket) < 0 && (i = open(wp->ww_ttyname, 2)) < 0)
(void) dup2(i, 2);
for (i = wwdtablesize - 1; i > 2; i--)
(void) close(i);
- (void) ioctl(0, (int)TIOCSPGRP, (char *)&pgrp);
+ (void) ioctl(0, TIOCSPGRP, (char *)&pgrp);
(void) setpgrp(pgrp, pgrp);
-
- (void) sprintf(wwwintermcap, "TERMCAP=%sco#%d:li#%d:%s%s%s%s",
- WWT_TERMCAP, wp->ww_w.nc, wp->ww_w.nr,
- wwavailmodes & WWM_REV ? WWT_REV : "",
- wwavailmodes & WWM_UL ? WWT_UL : "",
- wwavailmodes & WWM_GRP ? WWT_GRP : "",
- wwkeys);
+ /* SIGPIPE is the only one we ignore */
+ (void) signal(SIGPIPE, SIG_DFL);
+ (void) sigsetmask(0);
+ /*
+ * Two conditions that make destructive setenv ok:
+ * 1. setenv() copies the string,
+ * 2. we've already called tgetent which copies the termcap entry.
+ */
+ (void) sprintf(buf, "%sco#%d:li#%d:%s",
+ WWT_TERMCAP, wp->ww_w.nc, wp->ww_w.nr, wwwintermcap);
+ (void) setenv("TERMCAP", buf, 1);
+ (void) sprintf(buf, "%d", wp->ww_id + 1);
+ (void) setenv("WINDOW_ID", buf, 1);
return 0;
bad:
wwerrno = WWE_SYS;