mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 10:04:49 +00:00
59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
/* $Id: access.c,v 1.3 2002/10/29 04:45:46 rex Exp $
|
|
*/
|
|
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS POSIX+ Subsystem
|
|
* FILE: subsys/psx/lib/psxdll/unistd/access.c
|
|
* PURPOSE: Determine accessibility of a file
|
|
* PROGRAMMER: KJK::Hyperion <noog@libero.it>
|
|
* UPDATE HISTORY:
|
|
* 13/02/2002: Created
|
|
*/
|
|
|
|
#include <ddk/ntddk.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <psx/errno.h>
|
|
|
|
int access(const char *path, int amode)
|
|
{
|
|
OBJECT_ATTRIBUTES oaFileAttribs;
|
|
IO_STATUS_BLOCK isbStatus;
|
|
ACCESS_MASK amDesiredAccess = 0;
|
|
NTSTATUS nErrCode;
|
|
HANDLE hFile;
|
|
|
|
if(amode != F_OK)
|
|
{
|
|
if(amode && R_OK) amDesiredAccess |= GENERIC_READ;
|
|
if(amode && W_OK) amDesiredAccess |= GENERIC_WRITE;
|
|
if(amode && X_OK) amDesiredAccess |= GENERIC_EXECUTE;
|
|
}
|
|
|
|
nErrCode = NtCreateFile
|
|
(
|
|
&hFile,
|
|
amDesiredAccess,
|
|
&oaFileAttribs,
|
|
&isbStatus,
|
|
0,
|
|
0,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
|
|
FILE_OPEN,
|
|
0,
|
|
0,
|
|
0
|
|
);
|
|
|
|
if(NT_SUCCESS(nErrCode))
|
|
{
|
|
NtClose(hFile);
|
|
return (0);
|
|
}
|
|
|
|
errno = __status_to_errno(nErrCode);
|
|
return (-1);
|
|
}
|
|
|
|
/* EOF */
|
|
|