386BSD 0.0 development

Work on file usr/src/usr.bin/biff/biff.1
Work on file usr/src/usr.bin/biff/biff.c

Co-Authored-By: Lynne Greer Jolitz <ljolitz@cardio.ucsf.edu>
Synthesized-from: 386BSD-0.0/src

diff --git a/usr/src/usr.bin/biff/biff.1 b/usr/src/usr.bin/biff/biff.1
new file mode 100644 (file)
index 0000000..f2b1572
--- /dev/null
+++ b/usr/src/usr.bin/biff/biff.1
@@ -0,0 +1,86 @@
+.\" Copyright (c) 1980, 1990 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"    This product includes software developed by the University of
+.\"    California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)biff.1     6.5 (Berkeley) 3/14/91
+.\"
+.Dd March 14, 1991
+.Dt BIFF 1
+.Os BSD 4
+.Sh NAME
+.Nm biff
+.Nd "be notified if mail arrives and who it is from"
+.Sh SYNOPSIS
+.Nm biff
+.Op Cm ny
+.Sh DESCRIPTION
+.Nm Biff
+informs the system whether you want to be notified when mail arrives
+during the current terminal session.
+.Pp
+Options supported by
+.Nm biff :
+.Bl -tag -width 4n
+.It Cm n
+Disables notification.
+.It Cm y
+Enables notification.
+.El
+.Pp
+When mail notification is enabled, the header and first few lines of
+the message will be printed on your screen whenever mail arrives.
+A
+.Dq Li biff y
+command is often included in the file
+.Pa \&.login
+or
+.Pa \&.profile
+to be executed at each login.
+.Pp
+.Nm Biff
+operates asynchronously.
+For synchronous notification use the
+.Ar MAIL
+variable of
+.Xr sh 1
+or the
+.Ar mail
+variable of
+.Xr csh 1 .
+.Sh SEE ALSO
+.Xr csh 1 ,
+.Xr mail 1 ,
+.Xr sh 1 ,
+.Xr comsat 8
+.Sh HISTORY
+The
+.Nm
+command appeared in 
+.Bx 4.0 .

diff --git a/usr/src/usr.bin/biff/biff.c b/usr/src/usr.bin/biff/biff.c
new file mode 100644 (file)
index 0000000..bec5960
--- /dev/null
+++ b/usr/src/usr.bin/biff/biff.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 1980 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1980 The Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)biff.c     5.3 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+/*
+ * biff
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+
+char   *ttyname();
+
+main(argc, argv)
+       int argc;
+       char **argv;
+{
+       char *cp = ttyname(2);
+       struct stat stb;
+
+       argc--, argv++;
+       if (cp == 0)
+               fprintf(stderr, "Where are you?\n"), exit(1);
+       if (stat(cp, &stb) < 0)
+               perror(cp), exit(1);
+       if (argc == 0) {
+               printf("is %s\n", stb.st_mode&0100 ? "y" : "n");
+               exit((stb.st_mode&0100) ? 0 : 1);
+       }
+       switch (argv[0][0]) {
+
+       case 'y':
+               if (chmod(cp, stb.st_mode|0100) < 0)
+                       perror(cp);
+               break;
+
+       case 'n':
+               if (chmod(cp, stb.st_mode&~0100) < 0)
+                       perror(cp);
+               break;
+
+       default:
+               fprintf(stderr, "usage: biff [y] [n]\n");
+       }
+       exit((stb.st_mode&0100) ? 0 : 1);
+}