Use err(3) instead of local redefinition. Cosmetic in usage().

svn path=/head/; revision=28368

usr.bin/tr/extern.h

@@ -47,5 +47,4 @@ typedef struct {
 #define	NCHARS	(UCHAR_MAX + 1)		/* Number of possible characters. */
 #define	OOBCH	(UCHAR_MAX + 1)		/* Out of band character value. */
 
-void	 err __P((const char *fmt, ...));
 int	 next __P((STR *));

usr.bin/tr/str.c

@@ -32,18 +32,22 @@
  */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)str.c	8.2 (Berkeley) 4/28/95";
+#endif
+static const char rcsid[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <sys/cdefs.h>
 #include <sys/types.h>
 
-#include <errno.h>
+#include <ctype.h>
+#include <err.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <ctype.h>
 
 #include "extern.h"
 
@@ -188,10 +192,10 @@ genclass(s)
 	tmp.name = s->str;
 	if ((cp = (CLASS *)bsearch(&tmp, classes, sizeof(classes) /
 	    sizeof(CLASS), sizeof(CLASS), c_class)) == NULL)
-		err("unknown class %s", s->str);
+		errx(1, "unknown class %s", s->str);
 
 	if ((cp->set = p = malloc((NCHARS + 1) * sizeof(int))) == NULL)
-		err("%s", strerror(errno));
+		errx(1, "malloc");
 	bzero(p, (NCHARS + 1) * sizeof(int));
 	for (cnt = 0, func = cp->func; cnt < NCHARS; ++cnt)
 		if ((func)(cnt))
@@ -221,11 +225,11 @@ genequiv(s)
 	if (*s->str == '\\') {
 		s->equiv[0] = backslash(s);
 		if (*s->str != '=')
-			err("misplaced equivalence equals sign");
+			errx(1, "misplaced equivalence equals sign");
 	} else {
 		s->equiv[0] = s->str[0];
 		if (s->str[1] != '=')
-			err("misplaced equivalence equals sign");
+			errx(1, "misplaced equivalence equals sign");
 	}
 	s->str += 2;
 	s->cnt = 0;
@@ -259,14 +263,14 @@ genseq(s)
 	char *ep;
 
 	if (s->which == STRING1)
-		err("sequences only valid in string2");
+		errx(1, "sequences only valid in string2");
 
 	if (*s->str == '\\')
 		s->lastch = backslash(s);
 	else
 		s->lastch = *s->str++;
 	if (*s->str != '*')
-		err("misplaced sequence asterisk");
+		errx(1, "misplaced sequence asterisk");
 
 	switch (*++s->str) {
 	case '\\':
@@ -284,7 +288,7 @@ genseq(s)
 				break;
 			}
 		}
-		err("illegal sequence count");
+		errx(1, "illegal sequence count");
 		/* NOTREACHED */
 	}
 

usr.bin/tr/tr.1

@@ -58,7 +58,7 @@
 .Ar string1 string2
 .Sh DESCRIPTION
 The
-.Nm tr
+.Nm
 utility copies the standard input to the standard output with substitution
 or deletion of selected characters.
 .Pp
@@ -225,7 +225,7 @@ it's interpreted as a decimal value.
 .El
 .Pp
 The
-.Nm tr
+.Nm
 utility exits 0 on success, and >0 if an error occurs.
 .Sh EXAMPLES
 The following examples are shown as given to the shell:
@@ -261,13 +261,13 @@ represent the three characters ``a'', ``-'' and ``z'' will have to be
 rewritten as ``a\e-z''.
 .Pp
 The
-.Nm tr
+.Nm
 utility has historically not permitted the manipulation of NUL bytes in
 its input and, additionally, stripped NUL's from its input stream.
 This implementation has removed this behavior as a bug.
 .Pp
 The
-.Nm tr
+.Nm
 utility has historically been extremely forgiving of syntax errors,
 for example, the
 .Fl c
@@ -277,7 +277,7 @@ options were ignored unless two strings were specified.
 This implementation will not permit illegal syntax.
 .Sh STANDARDS
 The
-.Nm tr
+.Nm
 utility is expected to be
 .St -p1003.2
 compatible.

usr.bin/tr/tr.c

@@ -32,18 +32,23 @@
  */
 
 #ifndef lint
-static char copyright[] =
+static const char copyright[] =
 "@(#) Copyright (c) 1988, 1993\n\
 	The Regents of the University of California.  All rights reserved.\n";
 #endif /* not lint */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)tr.c	8.2 (Berkeley) 5/4/95";
+#endif
+static const char rcsid[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <locale.h>
 #include <sys/types.h>
 
+#include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -202,7 +207,7 @@ main(argc, argv)
 			*p++ = OOBCH;
 
 	if (!next(&s2))
-		err("empty string2");
+		errx(1, "empty string2");
 
 	/* If string2 runs out of characters, use the last one specified. */
 	if (sflag)
@@ -256,38 +261,10 @@ setup(string, arg, str, cflag)
 static void
 usage()
 {
-	(void)fprintf(stderr, "usage: tr [-cs] string1 string2\n");
-	(void)fprintf(stderr, "       tr [-c] -d string1\n");
-	(void)fprintf(stderr, "       tr [-c] -s string1\n");
-	(void)fprintf(stderr, "       tr [-c] -ds string1 string2\n");
+	(void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
+		"usage: tr [-cs] string1 string2",
+		"       tr [-c] -d string1",
+		"       tr [-c] -s string1",
+		"       tr [-c] -ds string1 string2");
 	exit(1);
 }
-
-#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, "tr: ");
-	(void)vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	(void)fprintf(stderr, "\n");
-	exit(1);
-	/* NOTREACHED */
-}