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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | STANDARDS | SEE ALSO | AUTHOR | COLOPHON |
ACL_ADD_PERM(3) BSD Library Functions Manual ACL_ADD_PERM(3)
acl_add_perm — add a permission to an ACL permission set
Linux Access Control Lists library (libacl, -lacl).
#include <sys/types.h>
#include <sys/acl.h>
int
acl_add_perm(acl_permset_t permset_d, acl_perm_t perm);
The acl_add_perm() function adds the permission contained in the argu‐
ment 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 permis‐
sion 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.
The acl_add_perm() function returns the value 0 if successful; other‐
wise the value -1 is returned and the global variable errno is set to
indicate the error.
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.
IEEE Std 1003.1e draft 17 (“POSIX.1e”, abandoned)
acl_clear_perms(3), acl_delete_perm(3), acl_get_perm(3),
acl_get_permset(3), acl_set_permset(3), acl(5)
Derived from the FreeBSD manual pages written by Robert N M Watson
<rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
<a.gruenbacher@bestbits.at>.
This page is part of the acl (manipulating access control lists)
project. Information about the project can be found at
http://savannah.nongnu.org/projects/acl. If you have a bug report for
this manual page, see http://savannah.nongnu.org/bugs/?group=acl. This
page was obtained from the project's upstream Git repository
git://git.savannah.nongnu.org/acl.git on 2017-07-05. If you discover
any rendering problems in this HTML version of the page, or you believe
there is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON (which
is not part of the original manual page), send a mail to
man-pages@man7.org
Linux ACL March 23, 2002 Linux ACL