dos.h File Reference

#include <corecrt.h>
#include <pshpack8.h>
#include <poppack.h>

Include dependency graph for dos.h:

Go to the source code of this file.

Classes
struct	_diskfree_t

Macros
#define	_A_NORMAL   0x00000000
#define	_A_RDONLY   0x00000001
#define	_A_HIDDEN   0x00000002
#define	_A_SYSTEM   0x00000004
#define	_A_VOLID   0x00000008
#define	_A_SUBDIR   0x00000010
#define	_A_ARCH   0x00000020
#define	_DISKFREE_T_DEFINED
#define	diskfree_t   _diskfree_t

Functions
_ACRTIMP unsigned int __cdecl	_getdiskfree (unsigned int, struct _diskfree_t *)

Macro Definition Documentation

_A_ARCH

#define _A_ARCH   0x00000020

Definition at line 22 of file dos.h.

_A_HIDDEN

#define _A_HIDDEN   0x00000002

Definition at line 18 of file dos.h.

_A_NORMAL

#define _A_NORMAL   0x00000000

Definition at line 16 of file dos.h.

_A_RDONLY

#define _A_RDONLY   0x00000001

Definition at line 17 of file dos.h.

_A_SUBDIR

#define _A_SUBDIR   0x00000010

Definition at line 21 of file dos.h.

_A_SYSTEM

#define _A_SYSTEM   0x00000004

Definition at line 19 of file dos.h.

_A_VOLID

#define _A_VOLID   0x00000008

Definition at line 20 of file dos.h.

_DISKFREE_T_DEFINED

#define _DISKFREE_T_DEFINED

Definition at line 25 of file dos.h.

diskfree_t

#define diskfree_t   _diskfree_t

Definition at line 46 of file dos.h.

Function Documentation

_getdiskfree()

_ACRTIMP unsigned int __cdecl _getdiskfree	(	unsigned int	disk,
		struct _diskfree_t *	d
	)

Definition at line 919 of file dir.c.

{
  WCHAR drivespec[] = L"@:\\";
  DWORD ret[4];
  unsigned int err;
 
  if (disk > 26)
    return ERROR_INVALID_PARAMETER; /* MSVCRT doesn't set errno here */
 
  drivespec[0] += disk; /* make a drive letter */
 
  if (GetDiskFreeSpaceW(disk==0?NULL:drivespec,ret,ret+1,ret+2,ret+3))
  {
    d->sectors_per_cluster = ret[0];
    d->bytes_per_sector = ret[1];
    d->avail_clusters = ret[2];
    d->total_clusters = ret[3];
    return 0;
  }
  err = GetLastError();
  msvcrt_set_errno(err);
  return err;
}