Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-28 01:55:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

Do not overwrite the disk signature, if we install the boot code into the mbr.

Browse source 
svn path=/trunk/; revision=17903
This commit is contained in:
Hartmut Birr 2005-09-17 22:00:35 +00:00
parent 5f8481f284
commit f8852fda40
2 changed files with 13 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
reactos/subsys/system/usetup/bootsup.c
View file

@ -1002,13 +1002,13 @@ InstallMbrBootCodeToDisk (PWSTR SrcPath,
UNICODE_STRING Name;
HANDLE FileHandle;
NTSTATUS Status;
PUCHAR OrigBootSector;
PUCHAR NewBootSector;
PPARTITION_SECTOR OrigBootSector;
PPARTITION_SECTOR NewBootSector;
/* Allocate buffer for original bootsector */
OrigBootSector = (PUCHAR)RtlAllocateHeap(ProcessHeap,
0,
SECTORSIZE);
OrigBootSector = (PPARTITION_SECTOR)RtlAllocateHeap(ProcessHeap,
0,
sizeof(PARTITION_SECTOR));
if (OrigBootSector == NULL)
return(STATUS_INSUFFICIENT_RESOURCES);
@ -1052,9 +1052,9 @@ InstallMbrBootCodeToDisk (PWSTR SrcPath,
/* Allocate buffer for new bootsector */
NewBootSector = (PUCHAR)RtlAllocateHeap(ProcessHeap,
0,
SECTORSIZE);
NewBootSector = (PPARTITION_SECTOR)RtlAllocateHeap(ProcessHeap,
0,
sizeof(PARTITION_SECTOR));
if (NewBootSector == NULL)
{
RtlFreeHeap(ProcessHeap, 0, OrigBootSector);
@ -1090,7 +1090,7 @@ InstallMbrBootCodeToDisk (PWSTR SrcPath,
NULL,
&IoStatusBlock,
NewBootSector,
SECTORSIZE,
sizeof(PARTITION_SECTOR),
NULL,
NULL);
NtClose(FileHandle);
@ -1102,9 +1102,9 @@ InstallMbrBootCodeToDisk (PWSTR SrcPath,
}
/* Copy partition table from old MBR to new */
RtlCopyMemory ((NewBootSector + 446),
(OrigBootSector + 446),
4*16 /* Length of partition table */);
RtlCopyMemory (&NewBootSector->Signature,
&OrigBootSector->Signature,
sizeof(PARTITION_SECTOR) - offsetof(PARTITION_SECTOR, Signature) /* Length of partition table */);
/* Free the original boot sector */
RtlFreeHeap(ProcessHeap, 0, OrigBootSector);

1
reactos/subsys/system/usetup/usetup.h
View file

@ -30,6 +30,7 @@
/* C Headers */
#include <ctype.h>
#include <stdio.h>
#include <stddef.h>
/* PSDK/NDK */
#include <windows.h>