acl_copy_ext()
QNX SDP8.0C Library ReferenceAPIDeveloper
Copy an ACL from system space to user space
Synopsis:
#include <sys/acl.h>
ssize_t acl_copy_ext( void *buf_p,
acl_t acl,
ssize_t size );
Arguments:
- buf_p
- A pointer to the buffer that you want to copy the ACL into.
- acl
- The ACL that you want to copy.
- size
- The size of the buffer pointed to by buf_p, in bytes.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The acl_copy_ext() function copies an access control list from system-managed space to the user-managed buffer pointed to by buf_p. You can call acl_size() to determine the size of buffer needed.
Returns:
The number of bytes placed in the buffer, or -1 if an error occurred (errno is set).
Errors:
- EINVAL
- The size argument is smaller than the size of the contiguous, persistent form of the ACL.
Classification:
This function is based on the withdrawn POSIX draft P1003.1e.
| Safety: | |
|---|---|
| Cancellation point | No |
| Signal handler | No |
| Thread | Yes |
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