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acl_calc_mask (3)
  • >> acl_calc_mask (3) ( FreeBSD man: Библиотечные вызовы )
  • acl_calc_mask (3) ( Linux man: Библиотечные вызовы )

  • BSD mandoc
     

    NAME

    
    
    acl_calc_mask
    
     - calculate and set ACL mask permissions
    
     
    

    LIBRARY

    Lb libc
    
     
    

    SYNOPSIS

       #include <sys/types.h>
       #include <sys/acl.h>
    int acl_calc_mask (acl_t *acl_p);
     

    DESCRIPTION

    The acl_calc_mask ();
    function is a POSIX.1e call that calculates and set the permissions associated with the ACL_MASK ACL entry of the ACL referred to by Fa acl_p .

    The value of new permissions are the union of the permissions granted by the ACL_GROUP , ACL_GROUP_OBJ , ACL_USER tag types which match processes in the file group class contained in the ACL referred to by Fa acl_p .

    If the ACL referred to by Fa acl_p already contains an ACL_MASK entry, its permissions shall be overwritten; if it does not contain an ACL_MASK entry, one shall be added.  

    RETURN VALUES

    Rv -std acl_calc_mask  

    ERRORS

    The acl_calc_mask ();
    function fails if:

    Bq Er EINVAL
    Argument Fa acl_p does not point to a pointer to a valid ACL.

     

    SEE ALSO

    acl(3), acl_get_entry3, acl_valid3, posix1e(3)  

    STANDARDS

    POSIX.1e is described in IEEE POSIX.1e draft 17.  

    HISTORY

    POSIX.1e support was introduced in Fx 4.0 . The acl_calc_mask ();
    function was added in Fx 5.0 .  

    AUTHORS

    The acl_calc_mask ();
    function was written by An Chris D. Faulhaber Aq [email protected] .


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    SEE ALSO
    STANDARDS
    HISTORY
    AUTHORS


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