_dos_setfileattr

Syntax

#include <dos.h> unsigned int _dos_setfileattr(const char *filename, unsigned int attr);

Description

This function sets the attributes of given file. Use the following constans in DOS.H to create attr parameter:

_A_NORMAL (0x00)

Normal file (no read/write restrictions)

_A_RDONLY (0x01)

Read only file

_A_HIDDEN (0x02)

Hidden file

_A_SYSTEM (0x04)

System file

_A_VOLID (0x08)

Volume ID file

_A_SUBDIR (0x10)

Subdirectory

_A_ARCH (0x20)

Archive file

See section _dos_getfileattr.

This function does not support long filenames, even on systems where the LFN API (see section LFN) is available. For LFN-aware functions with similar functionality see _chmod. Also see chmod, which is Posix-standard.

Return Value

Returns with 0 if successful and DOS error value on error (and sets errno to ENOENT or EACCES).

Portability

ANSI/ISO C	No
POSIX	No

Example

if ( !_dos_setfileattr("FOO.DAT", _A_RDONLY | _A_HIDDEN) ) puts("FOO.DAT is hidden now.");