man acl_get_perm (Fonctions bibliothèques) - acl_get_perm
NAME
LIBRARY
Linux Access Control Lists library (libacl, -lacl).
SYNOPSIS
DESCRIPTION
The acl_get_perm function tests if the permission specified by the argument perm is contained in the ACL permission set pointed to by the argument permset_d .
Any existing descriptors that refer to permset_d continue to refer to that permission set.
RETURN VALUE
If successful, the acl_get_perm function returns 1 if the permission specified by perm is contained in the ACL permission set permset_d , and 0 if the permission is not contained in the permission set. Otherwise, the value -1 is returned and the global variable errno is set to indicate the error.
ERRORS
If any of the following conditions occur, the acl_get_perm function returns -1 and sets errno to the corresponding value:
- Bq EINVAL
- The argument permset_d is not a valid descriptor for a permission set within an ACL entry. The argument perm is not a valid acl_perm_t value.
STANDARDS
This is a non-portable, Linux specific extension to the ACL manipulation functions defined in IEEE Std 1003.1e draft 17 (POSIX.1e, abandoned).
SEE ALSO
AUTHOR
Written by Andreas Gruenbacher Aq a.gruenbacher@bestbits.at .