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acl_add_perm(3)

Linux ACL
March 23, 2002

acl

Access control list utilities, libraries and headers

libacl1-dev

access control list - static libraries and headers

libacl-devel

Files needed for building programs with libacl

NAME

acl_add_perm - add a permission to an ACL permission set

LIBRARY

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

SYNOPSIS


.In sys/types.h
.In sys/acl.h int acl_add_perm acl_permset_t permset_d acl_perm_t perm

DESCRIPTION

The acl_add_perm function adds the permission contained in the argument perm (one of ACL_READ, ACL_WRITE, ACL_EXECUTE) to the permission set referred to by the argument permset_d. An attempt to add a permission that is already contained in the permission set is not considered an error.
Any existing descriptors that refer to permset_d continue to refer to that permission set.

RETURN VALUE


.Rv -std acl_add_perm

ERRORS

If any of the following conditions occur, the acl_add_perm function returns -1 and sets errno to the corresponding value:
[EINVAL]
The argument permset_d is not a valid descriptor for a permission set within an ACL entry.
The argument perm does not contain a valid acl_perm_t value.

STANDARDS

IEEE Std 1003.1e draft 17 (\(lqPOSIX.1e\(rq, abandoned)

AUTHOR

Derived from the FreeBSD manual pages written by
.An Robert N M Watson Aq , and adapted for Linux by
.An Andreas Gruenbacher Aq .
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