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acl_size (3)
  • >> acl_size (3) ( Linux man: Библиотечные вызовы )

  • BSD mandoc
    Linux ACL  

    NAME

    acl_size
    
     - get the size of the external representation of an ACL
    
     
    

    LIBRARY

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

    SYNOPSIS

       #include <sys/types.h>
       #include <sys/acl.h>
    ssize_t acl_size (acl_t acl);
     

    DESCRIPTION

    The acl_size ();
    function return the size, in bytes, of the buffer required to hold the exportable, contiguous, persistent form of the ACL pointed to by the argument acl when converted by acl_copy_ext (.);

    Any existing ACL entry descriptors that refer to entries in acl continue to refer to the same entries. Any existing ACL pointers that refer to the ACL referred to by acl continue to refer to the ACL. The order of ACL entries within acl remains unchanged.  

    RETURN VALUE

    On success, the acl_size ();
    function returns the size in bytes of the contiguous, persistent form of the ACL. 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_size ();
    function returns a value of (ssize_t)-1 and sets errno to the corresponding value:

    Bq Er EINVAL
    The argument acl is not a valid pointer to an ACL.

     

    STANDARDS

    IEEE Std 1003.1e draft 17 (lqPOSIX.1erq, abandoned)  

    SEE ALSO

    acl_copy_ext3, acl(5)  

    AUTHOR

    Derived from the FreeBSD manual pages written by An Robert N M Watson Aq [email protected] , and adapted for Linux by An Andreas Gruenbacher Aq [email protected] .


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    STANDARDS
    SEE ALSO
    AUTHOR


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