fdisk: add -c option (switch off DOS mode)

 * add -c to allows to switch off DOS mode from command line

 * recommend sectors (command 'u' or option -u)

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/fdisk/fdisk.8 b/fdisk/fdisk.8
index 2d93f1f8ad6ba8cadbc6b52320435f2934719dfd..367837d9d5c0ee307da9f3f4773fb41b919ee094 100644 (file)
--- a/fdisk/fdisk.8
+++ b/fdisk/fdisk.8
@@ -6,7 +6,7 @@
 fdisk \- Partition table manipulator for Linux
 .SH SYNOPSIS
 .B fdisk
-.RB [ \-u ]
+.RB [ \-uc ]
 .RB [ \-b
 .IR sectorsize ]
 .RB [ \-C
@@ -187,6 +187,9 @@ to override the kernel's ideas.)
 .BI \-h
 Print help and then exit.
 .TP
+.BI \-c
+Switch off DOS-compatible mode. (Recommended)
+.TP
 .BI "\-C " cyls
 Specify the number of cylinders of the disk.
 I have no idea why anybody would want to do so.

diff --git a/fdisk/fdisk.c b/fdisk/fdisk.c
index 55caa0c2db38dd18169b6df86636552fb733bdf4..b752d9b98cc0c6b444c0c8a1977f2b2f60668897 100644 (file)
--- a/fdisk/fdisk.c
+++ b/fdisk/fdisk.c
@@ -259,6 +259,7 @@ void fatal(enum failure why) {
 " fdisk -s <partition>      give partition size(s) in blocks\n"
 "\nOptions:\n"
 " -b <size>                 sector size (512, 1024, 2048 or 4096)\n"
+" -c                        switch off DOS-compatible mode\n"
 " -h                        print help\n"
 " -u <size>                 give sizes in sectors instead of cylinders\n"
 " -v                        print version\n"
@@ -794,7 +795,12 @@ warn_alignment(void) {
 "         sectors (command 'u').\n"));
                else
                        fprintf(stderr, ".\n");
-       }
+
+        } else if (display_in_cyl_units)
+               fprintf(stderr, _("\n"
+"WARNING: cylinders as display units are deprecated. Use command 'u' to\n"
+"         change units to sectors.\n"));
+
 }
 
 static void
@@ -2857,7 +2863,7 @@ main(int argc, char **argv) {
        bindtextdomain(PACKAGE, LOCALEDIR);
        textdomain(PACKAGE);
 
-       while ((c = getopt(argc, argv, "b:C:hH:lsS:uvV")) != -1) {
+       while ((c = getopt(argc, argv, "b:cC:hH:lsS:uvV")) != -1) {
                switch (c) {
                case 'b':
                        /* Ugly: this sector size is really per device,
@@ -2874,6 +2880,9 @@ main(int argc, char **argv) {
                case 'C':
                        user_cylinders = atoi(optarg);
                        break;
+               case 'c':
+                       dos_compatible_flag = 0;
+                       break;
                case 'h':
                        fatal(help);
                        break;