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acl_free - Man Page

release memory allocated to an ACL data object


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


#include <sys/types.h>
#include <sys/acl.h>

acl_free(void *obj_p);


The acl_free() function frees any releasable memory currently allocated by to the ACL data object identified by obj_p. The argument obj_p may identify an ACL, an ACL entry qualifier, or a pointer to a string allocated by the acl_to_text() function.

Return Value

The acl_free() function returns the value 0 if successful; otherwise 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_free() function returns the value -1 and and sets errno to the corresponding value:


The value of the argument obj_p is invalid.


IEEE Std 1003.1e draft 17 (“POSIX.1e”, abandoned)

See Also

acl_copy_int(3), acl_create_entry(3), acl_dup(3), acl_from_text(3), acl_get_fd, acl_get_file(3), acl_init(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 ⟨andreas.gruenbacher@gmail.com⟩.

Referenced By

acl(5), acl_copy_int(3), acl_create_entry(3), acl_dup(3), acl_from_text(3), acl_get_fd(3), acl_get_file(3), acl_get_qualifier(3), acl_init(3), acl_set_qualifier(3), acl_to_any_text(3), acl_to_text(3).

March 23, 2002