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Learn more about: File Permission Constants

File Permission Constants

11/04/2016

S_IWRITE constant

constants [C++], file attributes

S_IREAD constant

file permissions [C++]

_S_IWRITE constant

_S_IREAD constant

593cad33-31d1-44d2-8941-8af7d210c88c

File permission constants

Syntax

#include <sys/stat.h>

Remarks

One of these constants is required when _O_CREAT (_open, _sopen) is specified.

The pmode argument specifies the file's permission settings as follows.

Constant	Meaning
`_S_IREAD`	Reading permitted
`_S_IWRITE`	Writing permitted
`_S_IREAD	_S_IWRITE`

When used as the pmode argument for _umask, the manifest constant sets the permission setting, as follows.

Constant	Meaning
`_S_IREAD`	Writing not permitted (file is read-only)
`_S_IWRITE`	Reading not permitted (file is write-only)
`_S_IREAD	_S_IWRITE`

See also

_open, _wopen
_sopen, _wsopen
_umask
Standard types
Global constants