|ACL_SET_QUALIFIER(3)||Library Functions Manual||ACL_SET_QUALIFIER(3)|
entry_d, const void
acl_set_qualifier() function sets the qualifier of the ACL entry indicated by the argument entry_d to the value referred to by the argument qualifier_p. If the value of the tag type in the ACL entry referred to by entry_d is ACL_USER, then the value referred to by qualifier_p shall be of type uid_t. If the value of the tag type in the ACL entry referred to by entry_d is ACL_GROUP, then the value referred to by qualifier_p shall be of type gid_t. If the value of the tag type in the ACL entry referred to by entry_d is a tag type for which a qualifier is not supported,
acl_set_qualifier() returns an error.
Any ACL entry descriptors that refer to the entry referred to by
entry_d continue to refer to that entry. This function
may cause memory to be allocated. The caller should free any releasable
memory, when the ACL is no longer required, by calling
acl_free() with a pointer to the ACL as
acl_set_qualifier() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error.
acl_set_qualifier() function returns
-1and sets errno to the corresponding value:
- The argument entry_d is not a valid descriptor for
an ACL entry.
The value of the tag type in the ACL entry referenced by the argument entry_d is neither ACL_USER nor ACL_GROUP.
The value pointed to by the argument qualifier_p is not valid.
acl_set_qualifier() function is unable to allocate the memory required for the ACL qualifier.
|March 23, 2002||Linux ACL|