Add loadable local<->Unicode conversion support for Win95 names

Note: DOS names still not work and require similar changes

3 files changed, 59 insertions, 5 deletions

diff --git a/sbin/mount_msdos/Makefile b/sbin/mount_msdos/Makefile
index 4b8557a..3d2b67c 100644
--- a/sbin/mount_msdos/Makefile
+++ b/sbin/mount_msdos/Makefile
@@ -1,5 +1,5 @@
 #
-#	$Id: Makefile,v 1.6 1997/10/21 07:26:50 bde Exp $
+#	$Id: Makefile,v 1.7 1998/01/20 10:39:55 bde Exp $
 #
 
 PROG=	mount_msdos
@@ -10,4 +10,12 @@ MOUNT=	${.CURDIR}/../../mount
 CFLAGS+= -I${MOUNT}
 .PATH:	${MOUNT}
 
+TABDIR= /usr/libdata/msdosfs
+TABLES= koi2uni
+
+afterinstall:
+	cd ${.CURDIR} && \
+	    ${INSTALL} -c -o ${BINOWN} -g ${BINGRP} -m ${SHAREMODE} \
+	    ${TABLES} ${TABDIR}
+
 .include <bsd.prog.mk>
diff --git a/sbin/mount_msdos/mount_msdos.8 b/sbin/mount_msdos/mount_msdos.8
index 9ed2683..97dad8c 100644
--- a/sbin/mount_msdos/mount_msdos.8
+++ b/sbin/mount_msdos/mount_msdos.8
@@ -28,7 +28,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\"	$Id: mount_msdos.8,v 1.6 1997/12/19 23:03:00 bde Exp $
+.\"	$Id: mount_msdos.8,v 1.7 1998/02/18 09:30:28 jkh Exp $
 .\"
 .Dd April 7, 1994
 .Dt MOUNT_MSDOS 8
@@ -46,6 +46,7 @@
 .Op Fl l
 .Op Fl 9
 .\".Op Fl G
+.Op Fl w Ar table
 .Pa special
 .Pa node
 .Sh DESCRIPTION
@@ -127,6 +128,19 @@ if deleting or renaming a file. This forces
 .\"filesystem. The differences to the msdos filesystem are minimal and
 .\"limited to the boot block. This option enforces
 .\".Fl s .
+.It Fl w Ar table
+Specify file with
+local character set to Unicode conversion table for Win'95 long
+names. This table is text file contains 128 Unicode codes corresponding to
+upper half of local character set.
+If file path isn't absolute,
+.Pa /usr/libdata/msdosfs/
+prefix prepended.
+.El
+.Sh FILES
+.Bl -tag -width /usr/libdata/msdosfs -compact
+.It Pa /usr/libdata/msdosfs
+default place for Unicode conversion tables
 .El
 .Sh SEE ALSO
 .Xr mount 2 ,
diff --git a/sbin/mount_msdos/mount_msdos.c b/sbin/mount_msdos/mount_msdos.c
index 512ee0d..b747c95 100644
--- a/sbin/mount_msdos/mount_msdos.c
+++ b/sbin/mount_msdos/mount_msdos.c
@@ -32,7 +32,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: mount_msdos.c,v 1.10 1997/08/25 20:23:16 bde Exp $";
+	"$Id: mount_msdos.c,v 1.11 1998/02/18 09:30:31 jkh Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -65,6 +65,7 @@ static gid_t	a_gid __P((char *));
 static uid_t	a_uid __P((char *));
 static mode_t	a_mask __P((char *));
 static void	usage __P((void)) __dead2;
+static void     load_u2wtable __P((u_int16_t *, char *));
 
 int
 main(argc, argv)
@@ -81,7 +82,7 @@ main(argc, argv)
 	(void)memset(&args, '\0', sizeof(args));
 	args.magic = MSDOSFS_ARGSMAGIC;
 
-	while ((c = getopt(argc, argv, "sl9u:g:m:o:")) != -1) {
+	while ((c = getopt(argc, argv, "sl9u:g:m:o:w:")) != -1) {
 		switch (c) {
 #ifdef MSDOSFSMNT_GEMDOSFS
 		case 'G':
@@ -109,6 +110,10 @@ main(argc, argv)
 			args.mask = a_mask(optarg);
 			set_mask = 1;
 			break;
+		case 'w':
+			load_u2wtable(args.u2w, optarg);
+			args.flags |= MSDOSFSMNT_U2WTABLE;
+			break;
 		case 'o':
 			getmntopts(optarg, mopts, &mntflags, 0);
 			break;
@@ -229,6 +234,33 @@ a_mask(s)
 void
 usage()
 {
-	fprintf(stderr, "usage: mount_msdos [-o options] [-u user] [-g group] [-m mask] bdev dir\n");
+	fprintf(stderr, "usage: mount_msdos [-o options] [-u user] [-g group] [-m mask] [-s] [-l] [-9] [-w table] bdev dir\n");
 	exit(EX_USAGE);
 }
+
+void
+load_u2wtable (table, name)
+	u_int16_t *table;
+	char *name;
+{
+	FILE *f;
+	int i, code;
+	char buf[128];
+	char *fn;
+
+	if (*name == '/')
+		fn = name;
+	else {
+		snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name);
+		buf[127] = '\0';
+		fn = buf;
+	}
+	if ((f = fopen(fn, "r")) == NULL)
+		err(EX_NOINPUT, "%s", fn);
+	for (i = 0; i < 128; i++) {
+		if (fscanf(f, "%i", &code) != 1)
+			errx(EX_DATAERR, "missing item number %d", i);
+		table[i] = code;
+	}
+	fclose(f);
+}