From f27de7742d850e359febdaad2ecdb26c00afa477 Mon Sep 17 00:00:00 2001
From: Greg Lehey <grog@FreeBSD.org>
Date: Thu, 8 Nov 2012 02:55:30 +0000
Subject: [PATCH] Make parameters to -c and -k options optional.  If no
 parameters are supplied, print information for all keywords.

Improve output of -c option, in particular in conjunction with -k
option.

MFC after:	14 days
---
 usr.bin/locale/locale.1 |  6 +++++-
 usr.bin/locale/locale.c | 31 +++++++++++++++++++------------
 2 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/usr.bin/locale/locale.1 b/usr.bin/locale/locale.1
index 144f2802e0f..6e6bf291768 100644
--- a/usr.bin/locale/locale.1
+++ b/usr.bin/locale/locale.1
@@ -40,7 +40,7 @@
 .Op Ar prefix
 .Nm
 .Op Fl ck
-.Ar keyword ...
+.Op Ar keyword ...
 .Sh DESCRIPTION
 The
 .Nm
@@ -74,8 +74,12 @@ directory.
 Print names of all available charmaps.
 .It Fl k
 Print the names and values of all selected keywords.
+If no keywords are selected, print the names and values of all defined
+keywords.
 .It Fl c
 Print the category name for all selected keywords.
+If no keywords are selected, print the category name for all defined
+keywords.
 .El
 .Sh IMPLEMENTATION NOTES
 The special
diff --git a/usr.bin/locale/locale.c b/usr.bin/locale/locale.c
index cad3afe71bd..df45f7f23ec 100644
--- a/usr.bin/locale/locale.c
+++ b/usr.bin/locale/locale.c
@@ -253,12 +253,10 @@ main(int argc, char *argv[])
 	/* validate arguments */
 	if (all_locales && all_charmaps)
 		usage();
-	if ((all_locales || all_charmaps) && argc > 0) 
+	if ((all_locales || all_charmaps) && argc > 0)
 		usage();
 	if ((all_locales || all_charmaps) && (prt_categories || prt_keywords))
 		usage();
-	if ((prt_categories || prt_keywords) && argc <= 0)
-		usage();
 
 	/* process '-a' */
 	if (all_locales) {
@@ -282,13 +280,19 @@ main(int argc, char *argv[])
 			}
 
 	/* process '-c' and/or '-k' */
-	if (prt_categories || prt_keywords || argc > 0) {
-		setlocale(LC_ALL, "");
-		while (argc > 0) {
-			showdetails(*argv);
-			argv++;
-			argc--;
-		}
+	if (prt_categories || prt_keywords) {
+		if (argc > 0) {
+			setlocale(LC_ALL, "");
+                        while (argc > 0) {
+				showdetails(*argv);
+                                argv++;
+                                argc--;
+                        }
+                } else {
+			uint i;
+                        for (i = 0; i < sizeof (kwinfo) / sizeof (struct _kwinfo); i++)
+				showdetails ((char *)kwinfo [i].name);
+                }
 		exit(0);
 	}
 
@@ -303,7 +307,7 @@ usage(void)
 {
 	printf("Usage: locale [ -a | -m ]\n"
                "       locale -k list [prefix]\n"
-               "       locale [ -ck ] keyword ...\n");
+               "       locale [ -ck ] [keyword ...]\n");
 	exit(1);
 }
 
@@ -612,7 +616,10 @@ showdetails(char *kw)
 	}
 
 	if (prt_categories) {
-		printf("%s\n", lookup_localecat(cat));
+                  if (prt_keywords)
+			printf("%-20s ", lookup_localecat(cat));
+                  else
+	                printf("%-20s\t%s\n", kw, lookup_localecat(cat));
 	}
 
 	if (prt_keywords) {