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kernel32: Use NULL attributes if name and SA are not not specified.

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This commit is contained in:
Vitaliy Margolen 2008-09-14 11:02:25 -06:00 committed by Alexandre Julliard
parent 364d69d78d
commit c51ca17892
1 changed files with 21 additions and 17 deletions
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38
dlls/kernel32/virtual.c
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@ -338,26 +338,10 @@ HANDLE WINAPI CreateFileMappingW( HANDLE hFile, LPSECURITY_ATTRIBUTES sa,
static const int sec_flags = SEC_FILE | SEC_IMAGE | SEC_RESERVE | SEC_COMMIT | SEC_NOCACHE; static const int sec_flags = SEC_FILE | SEC_IMAGE | SEC_RESERVE | SEC_COMMIT | SEC_NOCACHE;
HANDLE ret; HANDLE ret;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
NTSTATUS status; NTSTATUS status;
DWORD access, sec_type; DWORD access, sec_type;
LARGE_INTEGER size; LARGE_INTEGER size;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
sec_type = protect & sec_flags; sec_type = protect & sec_flags;
protect &= ~sec_flags; protect &= ~sec_flags;
if (!sec_type) sec_type = SEC_COMMIT; if (!sec_type) sec_type = SEC_COMMIT;
@ -402,7 +386,27 @@ HANDLE WINAPI CreateFileMappingW( HANDLE hFile, LPSECURITY_ATTRIBUTES sa,
size.u.LowPart = size_low; size.u.LowPart = size_low;
size.u.HighPart = size_high; size.u.HighPart = size_high;
status = NtCreateSection( &ret, access, &attr, &size, protect, sec_type, hFile ); if (sa || name)
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
status = NtCreateSection( &ret, access, &attr, &size, protect, sec_type, hFile );
}
else status = NtCreateSection( &ret, access, NULL, &size, protect, sec_type, hFile );
if (status == STATUS_OBJECT_NAME_EXISTS) if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS ); SetLastError( ERROR_ALREADY_EXISTS );
else else