acl_entries — return the number of entries in an ACL
Library
Linux Access Control Lists library (libacl, -lacl).
Synopsis
#include <sys/types.h>
#include <acl/libacl.h>
int
acl_entries(acl_t acl);
Description
The acl_entries() function returns the number of ACL entries that are contained in the ACL referred to by the argument acl.
Return Value
The acl_entries() function returns the number of entries in acl if successful; 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_entries() function returns -1 and sets errno to the corresponding value:
- [
EINVAL] The argument acl is not a valid pointer to an ACL.
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).