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

  • BSD mandoc
    Linux ACL  

    NAME

    acl_get_perm
    
     - test for a permission in an ACL permission set
    
     
    

    LIBRARY

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

    SYNOPSIS

       #include <sys/types.h>
       #include <acl/libacl.h>
    int acl_get_perm (acl_permset_t permset_d acl_perm_t perm);
     

    DESCRIPTION

    The acl_get_perm ();
    function tests if the permission specified by the argument perm is contained in the ACL permission set pointed to by the argument permset_d

    Any existing descriptors that refer to permset_d continue to refer to that permission set.  

    RETURN VALUE

    If successful, the acl_get_perm ();
    function returns 1 if the permission specified by perm is contained in the ACL permission set permset_d and 0 if the permission is not contained in the permission set. Otherwise, the value -1 is returned and the global variable errno is set to indicate the error.  

    ERRORS

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

    Bq Er EINVAL
    The argument permset_d is not a valid descriptor for a permission set within an ACL entry.

    The argument perm is not a valid acl_perm_t value.

     

    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_add_perm3, acl_clear_perms3, acl_delete_perm3, acl_get_permset3, acl_set_permset3, acl(5)  

    AUTHOR

    Written by An Andreas Gruenbacher Aq [email protected] .


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    STANDARDS
    SEE ALSO
    AUTHOR


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