[Midnightbsd-cvs] src [6824] trunk/bin/chio/chio.c: teach about utf8

[laffer1 at midnightbsd.org]

Revision: 6824
          http://svnweb.midnightbsd.org/src/?rev=6824
Author:   laffer1
Date:     2014-10-03 00:12:00 -0400 (Fri, 03 Oct 2014)
Log Message:
-----------
teach about utf8

Modified Paths:
--------------
    trunk/bin/chio/chio.c

Modified: trunk/bin/chio/chio.c
===================================================================
--- trunk/bin/chio/chio.c	2014-10-03 04:10:32 UTC (rev 6823)
+++ trunk/bin/chio/chio.c	2014-10-03 04:12:00 UTC (rev 6824)
@@ -1,4 +1,4 @@
-/* $MidnightBSD: src/bin/chio/chio.c,v 1.3 2007/07/26 20:12:59 laffer1 Exp $ */
+/* $MidnightBSD$ */
 /*	$NetBSD: chio.c,v 1.6 1998/01/04 23:53:58 thorpej Exp $ */
 /*-
  * Copyright (c) 1996 Jason R. Thorpe <thorpej at and.com>
@@ -55,6 +55,8 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <langinfo.h>
+#include <locale.h>
 
 #include "defs.h"
 #include "pathnames.h"
@@ -82,6 +84,7 @@
 static	int do_ielem(const char *, int, char **);
 static	int do_return(const char *, int, char **);
 static	int do_voltag(const char *, int, char **);
+static	void print_designator(const char *, u_int8_t, u_int8_t);
 
 #ifndef CHET_VT
 #define	CHET_VT		10			/* Completely Arbitrary */
@@ -724,6 +727,10 @@
 					putchar('?');
 				putchar('>');
 			}
+			if (ces->ces_designator_length > 0)
+				print_designator(ces->ces_designator,
+						 ces->ces_code_set,
+						 ces->ces_designator_length);
 			putchar('\n');
 		}
 
@@ -1178,3 +1185,66 @@
 		"arg1 arg2 [arg3 [...]]\n", getprogname());
 	exit(1);
 }
+
+#define	UTF8CODESET	"UTF-8"
+
+static void
+print_designator(const char *designator, u_int8_t code_set,
+    u_int8_t designator_length)
+{
+	printf(" serial number: <");
+	switch (code_set) {
+	case CES_CODE_SET_ASCII: {
+		/*
+		 * The driver insures that the string is always NUL terminated.
+		 */
+		printf("%s", designator);
+		break;
+	}
+	case CES_CODE_SET_UTF_8: {
+		char *cs_native;
+
+		setlocale(LC_ALL, "");
+		cs_native = nl_langinfo(CODESET);
+
+		/* See if we can natively print UTF-8 */
+		if (strcmp(cs_native, UTF8CODESET) == 0)
+			cs_native = NULL;
+
+		if (cs_native == NULL) {
+			/* We can natively print UTF-8, so use printf. */
+			printf("%s", designator);
+		} else {
+			int i;
+
+			/*
+			 * We can't natively print UTF-8.  We should
+			 * convert it to the terminal's codeset, but that
+			 * requires iconv(3) and FreeBSD doesn't have
+			 * iconv(3) in the base system yet.  So we use %XX
+			 * notation for non US-ASCII characters instead.
+			 */
+			for (i = 0; i < designator_length &&
+			    designator[i] != '\0'; i++) {
+				if ((unsigned char)designator[i] < 0x80)
+					printf("%c", designator[i]);
+				else
+					printf("%%%02x",
+					    (unsigned char)designator[i]);
+			}
+		}
+		break;
+	}
+	case CES_CODE_SET_BINARY: {
+		int i;
+
+		for (i = 0; i < designator_length; i++)
+			printf("%02X%s", designator[i],
+			    (i == designator_length - 1) ? "" : " ");
+		break;
+	}
+	default:
+		break;
+	}
+	printf(">");
+}