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authorchristos <christos@NetBSD.org>2014-04-01 19:08:48 +0000
committerchristos <christos@NetBSD.org>2014-04-01 19:08:48 +0000
commit158bdbc95aaff566eebee3d3adf4cc61ba8e861c (patch)
tree9d031cbd20871663332f6cc99e57f8a77ca836c9
parent9f67eedb5e4284a83017663903902090e9c6f0f5 (diff)
default to something reasonable (like the interactive mode does) instead
of 0 when -1 is specified for the start or size.
-rw-r--r--sbin/fdisk/fdisk.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/sbin/fdisk/fdisk.c b/sbin/fdisk/fdisk.c
index c7f26e01d33..28d648067ab 100644
--- a/sbin/fdisk/fdisk.c
+++ b/sbin/fdisk/fdisk.c
@@ -1,4 +1,4 @@
-/* $NetBSD: fdisk.c,v 1.147 2014/03/30 22:18:13 christos Exp $ */
+/* $NetBSD: fdisk.c,v 1.148 2014/04/01 19:08:48 christos Exp $ */
/*
* Mach Operating System
@@ -39,7 +39,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: fdisk.c,v 1.147 2014/03/30 22:18:13 christos Exp $");
+__RCSID("$NetBSD: fdisk.c,v 1.148 2014/04/01 19:08:48 christos Exp $");
#endif /* not lint */
#define MBRPTYPENAMES
@@ -1817,7 +1817,7 @@ check_overlap(int part, int sysid, daddr_t start, daddr_t size, int fix)
/* This is just a convention, not a requirement */
return "Track zero is reserved for the BIOS";
#endif
- if (start + size > disksectors)
+ if (start + size > disksectors)
return "Partition exceeds size of disk";
for (p = 0; p < MBR_PART_COUNT; p++) {
if (p == part || mboot.mbr_parts[p].mbrp_type == 0)
@@ -2036,10 +2036,16 @@ change_part(int extended, int part, int sysid, daddr_t start, daddr_t size,
} else {
if (sysid == -1)
sysid = partp->mbrp_type;
- if (start == (daddr_t)0xffffffff)
+ if (start == (daddr_t)0xffffffff) {
start = offset + le32toh(partp->mbrp_start);
- if (size == (daddr_t)0xffffffff)
+ if (start == 0)
+ start = offset = ptn_0_offset;
+ }
+ if (size == (daddr_t)0xffffffff) {
size = le32toh(partp->mbrp_size);
+ if (size == 0)
+ size = disksectors - start;
+ }
}
}