[src/trunk]: src/dist/pdisk Add command to change partition types directly.

[soren <soren%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/15578ee5941d
branches:  trunk
changeset: 543168:15578ee5941d
user:      soren <soren%NetBSD.org@localhost>
date:      Tue Feb 18 16:20:37 2003 +0000

description:
Add command to change partition types directly.
>From Alexander Guy via OpenBSD.

diffstat:

 dist/pdisk/pdisk.8 |   3 ++-
 dist/pdisk/pdisk.c |  49 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 1 deletions(-)

diffs (97 lines):

diff -r 76c53b853c95 -r 15578ee5941d dist/pdisk/pdisk.8
--- a/dist/pdisk/pdisk.8        Tue Feb 18 15:38:53 2003 +0000
+++ b/dist/pdisk/pdisk.8        Tue Feb 18 16:20:37 2003 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: pdisk.8,v 1.9 2002/09/17 08:14:22 dbj Exp $
+.\"    $NetBSD: pdisk.8,v 1.10 2003/02/18 16:20:37 soren Exp $
 .Dd August 19, 2002
 .Os
 .Dt PDISK 8
@@ -100,6 +100,7 @@
 p    print the partition table
 q    quit editing (don't save changes)
 r    reorder partition entry in map
+t    change the type of an existing partition
 s    change size of partition map
 w    write the partition table
 .Ed
diff -r 76c53b853c95 -r 15578ee5941d dist/pdisk/pdisk.c
--- a/dist/pdisk/pdisk.c        Tue Feb 18 15:38:53 2003 +0000
+++ b/dist/pdisk/pdisk.c        Tue Feb 18 16:20:37 2003 +0000
@@ -124,6 +124,7 @@
 void do_examine_patch_partition(partition_map_header *map);
 int do_expert(partition_map_header *map, char *name);
 void do_rename_partition(partition_map_header *map);
+void do_change_type(partition_map_header *map);
 void do_reorder(partition_map_header *map);
 void do_write_partition_map(partition_map_header *map);
 void edit(char *name, int ask_logical_size);
@@ -557,6 +558,7 @@
            printf("  n    (re)name a partition\n");
            printf("  d    delete a partition\n");
            printf("  r    reorder partition entry in map\n");
+           printf("  t    change a partition's type\n");
            if (!rflag) {
                printf("  w    write the partition table\n");
            }
@@ -607,6 +609,10 @@
        case 's':
            do_change_map_size(map);
            break;
+       case 'T':
+       case 't':
+           do_change_type(map);
+           break;
        case 'X':
        case 'x':
            if (!dflag) {
@@ -790,6 +796,49 @@
     return;
 }
 
+void
+do_change_type(partition_map_header *map)
+{
+    partition_map * entry;
+    long index;
+    char *type = NULL;
+
+    if (map == NULL) {
+       bad_input("No partition map exists");
+       return;
+    }
+
+    if (!rflag && map->writable == 0) {
+       printf("The map is not writeable.\n");
+    }
+
+    if (get_number_argument("Partition number: ", &index, kDefault) == 0) {
+       bad_input("Bad partition number");
+       return;
+    }
+
+    entry = find_entry_by_disk_address(index, map);
+
+    if (entry == NULL ) {
+        printf("No such partition\n");
+       goto out;
+    }
+
+    printf("Existing partition type ``%s''.\n", entry->data->dpme_type);
+    if (get_string_argument("New type of partition: ", &type, 1) == 0) {
+       bad_input("Bad type");
+       goto out;
+    }
+
+    strncpy(entry->data->dpme_type, type, DPISTRLEN);
+    map->changed = 1;
+
+out:
+    if (type)
+        free(type);
+    return;
+}
+
 
 void
 do_delete_partition(partition_map_header *map)