acl_from_mode(3) -- Linux man page

 

NAME

acl_from_mode - create an ACL from file permission bits  

LIBRARY

Linux Access Control Lists library (libacl, -lacl).  

SYNOPSIS

In sys/types.h In acl/libacl.h Ft acl_t Fn acl_from_mode mode_t mode  

DESCRIPTION

The Fn acl_from_mode function creates a minimal ACL that contains the three entries with tag types ACL_USER_OBJ, ACL_GROUP_OBJ, and ACL_OTHER, with permissions corresponding to the owner, group, and other permission bits of its argument mode  

RETURN VALUE

On success, this function returns a pointer to the working storage. On error, a value of (acl_t)NULL is returned, and errno is set appropriately.  

ERRORS

If any of the following conditions occur, the Fn acl_from_mode function returns a value of (acl_t)NULL and sets errno to the corresponding value:

Bq Er ENOMEM
The ACL working storage requires more memory than is allowed by the hardware or system-imposed memory management constraints.

 

STANDARDS

This is a non-portable, Linux specific extension to the ACL manipulation functions defined in IEEE Std 1003.1e draft 17 (lqPOSIX.1erq, abandoned).  

SEE ALSO

acl_equiv_mode3, acl_get_file3, acl(5)  

AUTHOR

Written by An Andreas Gruenbacher Aq a.gruenbacher@computer.org .