Determine the size of the external form of an ACL
#include <sys/acl.h> ssize_t acl_size( acl_t acl );
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The acl_size() function calculates the size, in bytes, of the buffer required to hold the exportable, contiguous, persistent form of the given ACL.
The size, in bytes.
This function is based on the withdrawn POSIX draft P1003.1e.
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | No |
| Signal handler | No |
| Thread | Yes |