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    Command:

    acl_copy_ext

    
    
    
    

    SYNOPSIS

         #include <sys/types.h>
         #include <sys/acl.h>
    
         ssize_t
         acl_copy_ext(void *buf_p, acl_t acl, ssize_t size);
    
    
    

    DESCRIPTION

         The acl_copy_ext() function copies the ACL pointed to by acl from system-
         managed space to the user managed space pointed to by buf_p.  The size
         parameter represents the size in bytes of the buffer pointed to by buf_p.
         The format of the ACL placed in the buffer pointed to by buf_p is a con-
         tiguous, persistent data item, the format of which is unspecified.  It is
         the responsibility of the invoker to allocate an area large enough to
         hold the copied ACL. The size of the exportable, contiguous, persistent
         form of the ACL may be obtained by invoking the acl_size() function.
    
         Any ACL entry descriptors that refer to an entry in the ACL referenced by
         acl continue to refer to those entries. Any existing ACL pointers that
         refer to the ACL referenced by acl continue to refer to the ACL.
    
    
    

    RETURN VALUE

         Upon success, this function returns the number of bytes placed in the
         buffer pointed to by buf_p.  On error, a value of (ssize_t)-1 is returned
         and errno is set appropriately.
    
    
    

    ERRORS

         If any of the following conditions occur, the acl_copy_ext() function
         returns a value of (ssize_t)-1 and sets errno to the corresponding value:
    
         [EINVAL]           The size parameter is zero or negative.
    
                            The argument acl is not a valid pointer to an ACL.
    
                            The ACL referenced by acl contains one or more improp-
                            erly formed ACL entries, or for some other reason can-
                            not be translated into the external form of an ACL.
    
         [ERANGE]           The size parameter is greater than zero but smaller
                            than the length of the contiguous, persistent form of
                            the ACL.
    
    
    

    STANDARDS

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

    SEE ALSO

         acl_copy_int(3), acl_size(3), acl(5)
    
    
    

    AUTHOR

         Derived from the FreeBSD manual pages written by Robert N M Watson
         <rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
    
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