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

  • BSD mandoc
    Linux ACL  

    NAME

    acl_equiv_mode
    
     - check for an equivalent ACL
    
     
    

    LIBRARY

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

    SYNOPSIS

       #include <sys/types.h>
       #include <acl/libacl.h>
    int acl_equiv_mode (acl_t acl mode_t *mode_p);
     

    DESCRIPTION

    The acl_equiv_mode ();
    function checks if the ACL pointed to by the argument acl contains only the required ACL entries of tag types ACL_USER_OBJ, ACL_GROUP_OBJ, and ACL_OTHER, and contains no permissions other that ACL_READ, ACL_WRITE or ACL_EXECUTE. If the ACL has this form, it can can be fully represented with the traditional file permission bits, and is considered equivalent with the traditional file permission bits.

    If acl is an equivalent ACL and the pointer mode_p is not NULL , the value pointed to by mode_p is set to the value that defines the same owner, group and other permissions as contained in the ACL.  

    RETURN VALUE

    On success, this function returns the value 0 if acl is an equivalent ACL, and the value 1 if acl is not an equivalent ACL. On error, the value -1 is returned, and errno is set appropriately.  

    ERRORS

    If any of the following conditions occur, the acl_equiv_mode ();
    function returns the value -1 and sets errno to the corresponding value:

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

     

    STANDARDS

    This is a non-portable, Linux specific extension to the ACL manipulation functions defined in IEEE Std 1003.1e draft 17 (lqPOSIX.1erq, abandoned).  

    SEE ALSO

    acl_from_mode3, acl(5)  

    AUTHOR

    Written by An Andreas Gruenbacher Aq a.gruenbacher@bestbits.at .


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    STANDARDS
    SEE ALSO
    AUTHOR


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