Use err(3) insteadof local redefinition. Sync usage string with man page.

8 files changed, 73 insertions, 76 deletions

diff --git a/usr.bin/tset/extern.h b/usr.bin/tset/extern.h
index 29acfac..6d1be24 100644
--- a/usr.bin/tset/extern.h
+++ b/usr.bin/tset/extern.h
@@ -41,7 +41,6 @@ extern int erasechar, intrchar, killchar;
 
 void	 add_mapping __P((char *, char *));
 void	 cat __P((char *));
-void	 err __P((const char *, ...));
 char	*get_termcap_entry __P((char *, char **));
 char	*mapped __P((char *));
 int      outc __P((int));
diff --git a/usr.bin/tset/map.c b/usr.bin/tset/map.c
index 2e71d2c..cee4b66 100644
--- a/usr.bin/tset/map.c
+++ b/usr.bin/tset/map.c
@@ -32,14 +32,18 @@
  */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)map.c	8.1 (Berkeley) 6/9/93";
+#endif
+static const char rcsid[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <sys/types.h>
-#include <termios.h>
-#include <errno.h>
+#include <err.h>
 #include <stdlib.h>
 #include <string.h>
+#include <termios.h>
 #include "extern.h"
 
 extern speed_t Ospeed;
@@ -78,7 +82,7 @@ add_mapping(port, arg)
 	copy = strdup(arg);
 	mapp = malloc((u_int)sizeof(MAP));
 	if (copy == NULL || mapp == NULL)
-		err("%s", strerror(errno));
+		errx(1, "malloc");
 	mapp->next = NULL;
 	if (maplist == NULL)
 		cur = maplist = mapp;
@@ -154,7 +158,7 @@ next:	if (*arg == ':') {
 	/* If user specified a port with an option flag, set it. */
 done:	if (port) {
 		if (mapp->porttype)
-badmopt:		err("illegal -m option format: %s", copy);
+badmopt:		errx(1, "illegal -m option format: %s", copy);
 		mapp->porttype = port;
 	}
 
@@ -247,6 +251,6 @@ baudrate(rate)
 			return (sp->speed);
 	speed = atol(rate);
 	if (speed == 0)
-		err("unknown baud rate %s", rate);
+		errx(1, "unknown baud rate %s", rate);
 	return speed;
 }
diff --git a/usr.bin/tset/misc.c b/usr.bin/tset/misc.c
index 27a2bf6..1e94df1 100644
--- a/usr.bin/tset/misc.c
+++ b/usr.bin/tset/misc.c
@@ -32,11 +32,15 @@
  */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/9/93";
+#endif
+static const char rcsid[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <fcntl.h>
-#include <errno.h>
+#include <err.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -51,13 +55,13 @@ cat(file)
 	char buf[1024];
 
 	if ((fd = open(file, O_RDONLY, 0)) < 0)
-		err("%s: %s", file, strerror(errno));
+		err(1, "%s", file);
 
 	while ((nr = read(fd, buf, sizeof(buf))) > 0)
 		if ((nw = write(STDERR_FILENO, buf, nr)) == -1)
-			err("write to stderr: %s", strerror(errno));
+			err(1, "write to stderr");
 	if (nr != 0)
-		err("%s: %s", file, strerror(errno));
+		err(1, "%s", file);
 	(void)close(fd);
 }
 
@@ -67,32 +71,3 @@ outc(c)
 {
 	return putc(c, stderr);
 }
-
-#if __STDC__
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-
-void
-#if __STDC__
-err(const char *fmt, ...)
-#else
-err(fmt, va_alist)
-	char *fmt;
-        va_dcl
-#endif
-{
-	va_list ap;
-#if __STDC__
-	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
-	(void)fprintf(stderr, "tset: ");
-	(void)vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	(void)fprintf(stderr, "\n");
-	exit(1);
-	/* NOTREACHED */
-}
diff --git a/usr.bin/tset/set.c b/usr.bin/tset/set.c
index e55ebbd..68fa7a2 100644
--- a/usr.bin/tset/set.c
+++ b/usr.bin/tset/set.c
@@ -32,7 +32,11 @@
  */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)set.c	8.2 (Berkeley) 2/28/94";
+#endif
+static const char rcsid[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <termios.h>
diff --git a/usr.bin/tset/term.c b/usr.bin/tset/term.c
index dc652e3..714ef65 100644
--- a/usr.bin/tset/term.c
+++ b/usr.bin/tset/term.c
@@ -32,16 +32,21 @@
  */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)term.c	8.1 (Berkeley) 6/9/93";
+#endif
+static const char rcsid[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <sys/types.h>
+#include <err.h>
 #include <errno.h>
-#include <ttyent.h>
-#include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
+#include <ttyent.h>
 #include "extern.h"
 
 char    tbuf[1024];      		/* Termcap entry. */
@@ -67,12 +72,12 @@ get_termcap_entry(userarg, tcapbufp)
 	}
 
 	/* Try the environment. */
-	if (ttype = getenv("TERM"))
+	if ((ttype = getenv("TERM")))
 		goto map;
 
 	/* Try ttyname(3); check for dialup or other mapping. */
-	if (ttypath = ttyname(STDERR_FILENO)) {
-		if (p = rindex(ttypath, '/'))
+	if ((ttypath = ttyname(STDERR_FILENO))) {
+		if ((p = rindex(ttypath, '/')))
 			++p;
 		else
 			p = ttypath;
@@ -107,12 +112,11 @@ found:	if ((p = getenv("TERMCAP")) != NULL && *p != '/')
 
 	/* Find the termcap entry.  If it doesn't exist, ask the user. */
 	while ((rval = tgetent(tbuf, ttype)) == 0) {
-		(void)fprintf(stderr,
-		    "tset: terminal type %s is unknown\n", ttype);
+		warnx("terminal type %s is unknown", ttype);
 		ttype = askuser(NULL);
 	}
 	if (rval == -1)
-		err("termcap: %s", strerror(errno ? errno : ENOENT));
+		errx(1, "termcap: %s", strerror(errno ? errno : ENOENT));
 	*tcapbufp = tbuf;
 	return (ttype);
 }
@@ -145,7 +149,7 @@ askuser(dflt)
 			return (dflt);
 		}
 
-		if (p = index(answer, '\n'))
+		if ((p = index(answer, '\n')))
 			*p = '\0';
 		if (answer[0])
 			return (answer);
diff --git a/usr.bin/tset/tset.1 b/usr.bin/tset/tset.1
index 16b7344..8c99cab 100644
--- a/usr.bin/tset/tset.1
+++ b/usr.bin/tset/tset.1
@@ -70,7 +70,7 @@ argument specified on the command line.
 .It
 The value of the
 .Ev TERM
-environmental variable.
+environment variable.
 .It
 The terminal type associated with the standard error output device in the
 .Pa /etc/ttys
@@ -100,7 +100,7 @@ standard error output.
 .Pp
 When invoked as
 .Nm reset ,
-.Nm tset
+.Nm
 sets cooked and echo modes, turns off cbreak and raw modes, turns on
 newline translation and resets any unset special characters to their
 default values before doing the terminal initialization described above.
@@ -183,7 +183,7 @@ option is specified, the commands to enter the information into the
 shell's environment are written to the standard output.
 If the
 .Ev SHELL
-environmental variable ends in ``csh'', the commands are for the
+environment variable ends in ``csh'', the commands are for the
 .Nm csh ,
 otherwise, they are for
 .Xr sh .
@@ -220,13 +220,13 @@ information is incorrect) the terminal type derived from the
 .Pa /etc/ttys
 file or the
 .Ev TERM
-environmental variable is often something generic like
+environment variable is often something generic like
 .Dq network ,
 .Dq dialup ,
 or
 .Dq unknown .
 When
-.Nm tset
+.Nm
 is used in a startup script
 .Pf ( Pa .profile
 for
@@ -243,7 +243,7 @@ option is to
 .Dq map
 from some set of conditions to a terminal type, that is, to
 tell
-.Nm tset
+.Nm
 ``If I'm on this port at a particular speed, guess that I'm on that
 kind of terminal''.
 .Pp
@@ -320,7 +320,7 @@ users insert a backslash character (``\e'') before any exclamation
 marks (``!'').
 .Sh ENVIRONMENT
 The
-.Nm tset
+.Nm
 command utilizes the
 .Ev SHELL
 and
@@ -343,7 +343,7 @@ terminal capability database
 .Xr environ 7
 .Sh HISTORY
 The
-.Nm tset
+.Nm
 command appeared in
 .Bx 3.0 .
 .Sh COMPATIBILITY
@@ -355,7 +355,7 @@ The
 and
 .Fl v
 options have been deleted from the
-.Nm tset
+.Nm
 utility.
 None of them were documented in 4.3BSD and all are of limited utility at
 best.
@@ -382,7 +382,7 @@ options without arguments, although it is strongly recommended that such
 usage be fixed to explicitly specify the character.
 .Pp
 Executing
-.Nm tset
+.Nm
 as
 .Nm reset
 no longer implies the
@@ -393,11 +393,11 @@ Also, the interaction between the
 option and the
 .Ar terminal
 argument in some historic implementations of
-.Nm tset
+.Nm
 has been removed.
 .Pp
 Finally, the
-.Nm tset
+.Nm
 implementation has been completely redone (as part of the addition to the
 system of a
 .St -p1003.1-88
diff --git a/usr.bin/tset/tset.c b/usr.bin/tset/tset.c
index b25398b..a097dca 100644
--- a/usr.bin/tset/tset.c
+++ b/usr.bin/tset/tset.c
@@ -32,24 +32,28 @@
  */
 
 #ifndef lint
-static char copyright[] =
+static const char copyright[] =
 "@(#) Copyright (c) 1980, 1991, 1993\n\
 	The Regents of the University of California.  All rights reserved.\n";
 #endif /* not lint */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)tset.c	8.1 (Berkeley) 6/9/93";
+#endif
+static const char rcdif[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <sys/types.h>
 #include <sys/ioctl.h>
-#include <termios.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
 #include <ctype.h>
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
+#include <termios.h>
 #include "extern.h"
 
 void	obsolete __P((char *[]));
@@ -74,15 +78,15 @@ main(argc, argv)
 	struct winsize win;
 #endif
 	int ch, noinit, noset, quiet, Sflag, sflag, showterm, usingupper;
-	char savech, *p, *t, *tcapbuf, *ttype;
+	char *p, *t, *tcapbuf, *ttype;
 
 	if (tcgetattr(STDERR_FILENO, &mode) < 0)
-		err("standard error: %s", strerror(errno));
+		err(1, "standard error");
 
 	oldmode = mode;
 	Ospeed = cfgetospeed(&mode);
 
-	if (p = strrchr(*argv, '/'))
+	if ((p = strrchr(*argv, '/')))
 		++p;
 	else
 		p = *argv;
@@ -262,9 +266,9 @@ obsolete(argv)
 	char *argv[];
 {
 	for (; *argv; ++argv) {
-		if (argv[0][0] != '-' || argv[1] && argv[1][0] != '-' ||
-		    argv[0][1] != 'e' && argv[0][1] != 'i' &&
-		    argv[0][1] != 'k' || argv[0][2] != '\0')
+		if (argv[0][0] != '-' || (argv[1] && argv[1][0] != '-') ||
+		    (argv[0][1] != 'e' && argv[0][1] != 'i' && argv[0][1] != 'k') ||
+			argv[0][2] != '\0')
 			continue;
 		switch(argv[0][1]) {
 		case 'e':
@@ -283,7 +287,9 @@ obsolete(argv)
 void
 usage()
 {
-	(void)fprintf(stderr,
-"usage: tset [-IQrSs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal]\n");
+	(void)fprintf(stderr, "%s\n%s\n",
+"usage: tset  [-IQrSs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal]",
+"       reset [-IQrSs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal]");
 	exit(1);
 }
+
diff --git a/usr.bin/tset/wrterm.c b/usr.bin/tset/wrterm.c
index 5c33b49..d6274cf 100644
--- a/usr.bin/tset/wrterm.c
+++ b/usr.bin/tset/wrterm.c
@@ -32,12 +32,17 @@
  */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)wrterm.c	8.1 (Berkeley) 6/9/93";
+#endif
+static const char rcsid[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <sys/types.h>
-#include <stdio.h>
 #include <ctype.h>
+#include <err.h>
+#include <stdio.h>
 #include <string.h>
 #include "extern.h"
 
@@ -55,7 +60,7 @@ wrtermcap(bp)
 
 	/* Find the end of the terminal names. */
 	if ((t = index(bp, ':')) == NULL)
-		err("termcap names not colon terminated");
+		errx(1, "termcap names not colon terminated");
 	*t++ = '\0';
 
 	/* Output terminal names that don't have whitespace. */