NAME

acl_get_qualifier − Retrieves the qualifier for an ACL entry

LIBRARY

Security Library (libpacl.a)

SYNOPSIS

#include <sys/acl.h> void ∗ acl_get_qualifier(
acl_entry_t entry_d);

PARAMETERS

entry_dDesignates the working storage internal representation ACL entry to retrieve the qualifier from. 

DESCRIPTION

NOTE:  This function is based on Draft 13 of the POSIX P1003.6 standard. The function may change as the P1003.6 standard is finalized. 

The acl_get_qualifier() function retrieves qualifier which is the numerical id associated with the entry. If the entry tag type is ACL_USER ∗uid_t is returned, if the type is ACL_GROUP a ∗gid_t is returned, for all other types NULL is returned.

RETURN VALUES

Upon successful completion, the acl_get_qualifier function returns a pointer to the ACL entry qualifier retrieved.  Otherwise, a value of NULL is returned and errno is set to indicate the error. 

ERRORS

If any of the following conditions occur, the acl_get_qualifier() function sets errno to the corresponding value:

[EINVAL]Argument entry_d does not refer to a valid ACL entry.  The value of the tag type in ACL entry referred to by entry_d is ACL_USER_OBJ,ACL_GROUP_OBJ, or ACL_OTHER_OBJ. 

RELATED INFORMATION

acl_create_entry(3), acl_free_qualifier(3), acl_get_entry(3), acl_get_tag_type(3), acl_set_qualifier(3), acl_set_tag_type(3)

Security