Add a minimal implementation of the locale(1) utility.

Can be used to check the current locale configuration and
provides a list of locales supported by the system.
help and ok matthew, schwarze

3 files changed, 364 insertions, 0 deletions

diff --git a/usr.bin/locale/Makefile b/usr.bin/locale/Makefile
new file mode 100644
index 00000000000..5543e9f1064
--- /dev/null
+++ b/usr.bin/locale/Makefile
@@ -0,0 +1,9 @@
+#	$OpenBSD: Makefile,v 1.1 2013/06/03 14:27:50 stsp Exp $
+
+# for LOCALECHARSETS
+.include "${.CURDIR}/../../share/locale/ctype/Makefile.inc"
+
+PROG=	locale
+CFLAGS+=	-DLOCALE_CHARSETS="\"${LOCALECHARSETS}\""
+
+.include <bsd.prog.mk>
diff --git a/usr.bin/locale/locale.1 b/usr.bin/locale/locale.1
new file mode 100644
index 00000000000..4ab41632199
--- /dev/null
+++ b/usr.bin/locale/locale.1
@@ -0,0 +1,64 @@
+.\" $OpenBSD: locale.1,v 1.1 2013/06/03 14:27:50 stsp Exp $
+.\"
+.\" Copyright 2013 Stefan Sperling <stsp@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: June 3 2013 $
+.Dt LOCALE 1
+.Os
+.Sh NAME
+.Nm locale
+.Nd get locale-specific information
+.Sh SYNOPSIS
+.Nm locale
+.Op Fl a | Fl m
+.Sh DESCRIPTION
+If
+.Nm
+is invoked without any arguments, the current locale configuration is shown.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl a
+Display a list of supported locales.
+.It Fl m
+Display a list of supported character sets.
+.El
+.Sh ENVIRONMENT
+The locale configuration consists of the following environment variables:
+.Bl -tag -width LC_MONETARY
+.It Dv LC_ALL
+Overrides all other LC_* variables below.
+.It Dv LC_COLLATE
+Locale for string collation routines.
+.It Dv LC_CTYPE
+Locale for character set.
+.It Dv LC_MONETARY
+Locale for formatting monetary values.
+.It Dv LC_NUMERIC
+Locale for formatting numbers.
+.It Dv LC_TIME
+Locale for formatting dates and times.
+.It Dv LANG
+Fallback if any of the above is unset.
+.El
+.Sh SEE ALSO
+.Xr setlocale 3
+.Sh STANDARDS
+The
+.Nm
+utility implements a subset of the specification given in
+.St -p1003.1-2008 .
+.Sh BUGS
+The list of supported locales is perpetually incomplete.
diff --git a/usr.bin/locale/locale.c b/usr.bin/locale/locale.c
new file mode 100644
index 00000000000..b084be7a147
--- /dev/null
+++ b/usr.bin/locale/locale.c
@@ -0,0 +1,291 @@
+/*	$OpenBSD: locale.c,v 1.1 2013/06/03 14:27:50 stsp Exp $	*/
+/*
+ * Copyright (c) 2013 Stefan Sperling <stsp@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <locale.h>
+
+extern char		*__progname;
+
+struct category_name {
+	int category;
+	const char *name;
+} categories[] = {
+	{ LC_COLLATE,	"LC_COLLATE" },
+	{ LC_CTYPE,	"LC_CTYPE" },
+	{ LC_MONETARY,	"LC_MONETARY" },
+	{ LC_NUMERIC,	"LC_NUMERIC" },
+	{ LC_TIME,	"LC_TIME" },
+	{ LC_MESSAGES,	"LC_MESSAGES" },
+	{ LC_ALL,	"LC_ALL" },
+	{ 0, 		NULL},
+};
+
+void
+show_current_locale()
+{
+	char *lang = getenv("LANG");
+	int i;
+
+	printf("LANG=%s\n", lang ? lang : "");
+	for (i = 0; categories[i].name != NULL; i++)
+		printf("%s=%s\n", categories[i].name,
+		    setlocale(categories[i].category, NULL));
+}
+
+const char * const some_locales[] = {
+	"C",
+	"C.UTF-8",
+	"POSIX",
+	"POSIX.UTF-8",
+	"Pig",
+	"ar_SD.UTF-8",
+	"ar_SY.UTF-8",
+	"bg_BG.CP1251",
+	"ca_ES.ISO8859-1",
+	"ca_ES.ISO8859-15",
+	"ca_ES.UTF-8",
+	"cs_CZ.ISO8859-2",
+	"cs_CZ.UTF-8",
+	"da_DK.ISO8859-1",
+	"da_DK.ISO8859-15",
+	"da_DK.UTF-8",
+	"de_AT.ISO8859-1",
+	"de_AT.ISO8859-15",
+	"de_AT.UTF-8",
+	"de_CH.ISO8859-1",
+	"de_CH.ISO8859-15",
+	"de_CH.UTF-8",
+	"de_DE.ISO8859-1",
+	"de_DE.ISO8859-15",
+	"de_DE.UTF-8",
+	"el_GR.ISO8859-7",
+	"el_GR.UTF-8",
+	"en_AU.ISO8859-1",
+	"en_AU.ISO8859-15",
+	"en_AU.UTF-8",
+	"en_CA.ISO8859-1",
+	"en_CA.ISO8859-15",
+	"en_CA.UTF-8",
+	"en_GB.ISO8859-1",
+	"en_GB.ISO8859-15",
+	"en_GB.UTF-8",
+	"en_US.ISO8859-1",
+	"en_US.ISO8859-15",
+	"en_US.UTF-8",
+	"es_AR.ISO8859-1",
+	"es_AR.ISO8859-15",
+	"es_AR.UTF-8",
+	"es_BO.ISO8859-1",
+	"es_BO.ISO8859-15",
+	"es_BO.UTF-8",
+	"es_CH.ISO8859-1",
+	"es_CH.ISO8859-15",
+	"es_CH.UTF-8",
+	"es_CO.ISO8859-1",
+	"es_CO.ISO8859-15",
+	"es_CO.UTF-8",
+	"es_CR.ISO8859-1",
+	"es_CR.ISO8859-15",
+	"es_CR.UTF-8",
+	"es_CU.ISO8859-1",
+	"es_CU.ISO8859-15",
+	"es_CU.UTF-8",
+	"es_DO.ISO8859-1",
+	"es_DO.ISO8859-15",
+	"es_DO.UTF-8",
+	"es_EC.ISO8859-1",
+	"es_EC.ISO8859-15",
+	"es_EC.UTF-8",
+	"es_ES.ISO8859-1",
+	"es_ES.ISO8859-15",
+	"es_ES.UTF-8",
+	"es_GQ.ISO8859-1",
+	"es_GQ.ISO8859-15",
+	"es_GQ.UTF-8",
+	"es_GT.ISO8859-1",
+	"es_GT.ISO8859-15",
+	"es_GT.UTF-8",
+	"es_HN.ISO8859-1",
+	"es_HN.ISO8859-15",
+	"es_HN.UTF-8",
+	"es_MX.ISO8859-1",
+	"es_MX.ISO8859-15",
+	"es_MX.UTF-8",
+	"es_NI.ISO8859-1",
+	"es_NI.ISO8859-15",
+	"es_NI.UTF-8",
+	"es_PA.ISO8859-1",
+	"es_PA.ISO8859-15",
+	"es_PA.UTF-8",
+	"es_PE.ISO8859-1",
+	"es_PE.ISO8859-15",
+	"es_PE.UTF-8",
+	"es_PR.ISO8859-1",
+	"es_PR.ISO8859-15",
+	"es_PR.UTF-8",
+	"es_PY.ISO8859-1",
+	"es_PY.ISO8859-15",
+	"es_PY.UTF-8",
+	"es_SV.ISO8859-1",
+	"es_SV.ISO8859-15",
+	"es_SV.UTF-8",
+	"es_US.ISO8859-1",
+	"es_US.ISO8859-15",
+	"es_US.UTF-8",
+	"es_UY.ISO8859-1",
+	"es_UY.ISO8859-15",
+	"es_UY.UTF-8",
+	"es_VE.ISO8859-1",
+	"es_VE.ISO8859-15",
+	"es_VE.UTF-8",
+	"fa_IR.UTF-8",
+	"fi_FI.ISO8859-1",
+	"fi_FI.ISO8859-15",
+	"fi_FI.UTF-8",
+	"fr_BE.ISO8859-1",
+	"fr_BE.ISO8859-15",
+	"fr_BE.UTF-8",
+	"fr_CA.ISO8859-1",
+	"fr_CA.ISO8859-15",
+	"fr_CA.UTF-8",
+	"fr_CH.ISO8859-1",
+	"fr_CH.ISO8859-15",
+	"fr_CH.UTF-8",
+	"fr_FR.ISO8859-1",
+	"fr_FR.ISO8859-15",
+	"fr_FR.UTF-8",
+	"hr_HR.ISO8859-2",
+	"hu_HU.ISO8859-2",
+	"hu_HU.UTF-8",
+	"hy_AM.ARMSCII-8",
+	"hy_AM.UTF-8",
+	"is_IS.ISO8859-1",
+	"is_IS.ISO8859-15",
+	"is_IS.UTF-8",
+	"it_CH.ISO8859-1",
+	"it_CH.ISO8859-15",
+	"it_CH.UTF-8",
+	"it_IT.ISO8859-1",
+	"it_IT.ISO8859-15",
+	"it_IT.UTF-8",
+	"ja_JP.UTF-8",
+	"ko_KR.UTF-8",
+	"lt_LT.ISO8859-13",
+	"lt_LT.ISO8859-4",
+	"lt_LT.UTF-8",
+	"nl_BE.ISO8859-1",
+	"nl_BE.ISO8859-15",
+	"nl_BE.UTF-8",
+	"nl_NL.ISO8859-1",
+	"nl_NL.ISO8859-15",
+	"nl_NL.UTF-8",
+	"no_NO.ISO8859-1",
+	"no_NO.ISO8859-15",
+	"no_NO.UTF-8",
+	"pl_PL.ISO8859-2",
+	"pl_PL.UTF-8",
+	"pt_PT.ISO8859-1",
+	"pt_PT.ISO8859-15",
+	"pt_PT.UTF-8",
+	"ro_RO.UTF-8",
+	"ru_RU.CP866",
+	"ru_RU.ISO8859-5",
+	"ru_RU.KOI8-R",
+	"ru_RU.UTF-8",
+	"sk_SK.ISO8859-2",
+	"sk_SK.UTF-8",
+	"sl_SI.ISO8859-2",
+	"sl_SI.UTF-8",
+	"sv_SE.ISO8859-1",
+	"sv_SE.ISO8859-15",
+	"sv_SE.UTF-8",
+	"uk_UA.KOI8-U",
+	"uk_UA.UTF-8",
+	"zh_CN.UTF-8",
+	"zh_TW.UTF-8",
+	NULL
+};
+
+void
+show_locales(void)
+{
+	int i = 0;
+
+	while (some_locales[i])
+		puts(some_locales[i++]);
+}
+
+void
+show_charsets(void)
+{
+	char *charset;
+	char charsets[sizeof(LOCALE_CHARSETS)];
+	char *s = charsets;
+
+	bcopy(LOCALE_CHARSETS, charsets, sizeof(charsets));
+	do {
+		charset = strsep(&s, " \t");
+		if (charset && charset[0])
+			printf("%s\n", charset);
+	} while (charset);
+}
+
+void
+usage(void)
+{
+	fprintf(stderr, "usage: %s [-a | -m]\n", __progname);
+	exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int opt, aflag = 0, mflag = 0;
+
+	setlocale(LC_ALL, "");
+
+	if (argc == 1) {
+		show_current_locale();
+		return 0;
+	}
+
+	while ((opt = getopt(argc, argv, "am")) != -1) {
+		switch (opt) {
+		case 'a':
+			aflag = 1;
+			break;
+		case 'm':
+			mflag = 1;
+			break;
+		default:
+			usage();
+		}
+	}
+	argc -= optind;
+	argv += optind;
+
+	if (argc != 0 || (aflag && mflag))
+		usage();
+	else if (aflag)
+		show_locales();
+	else if (mflag)
+		show_charsets();
+
+	return 0;
+}