4.3BSD/usr/contrib/notes/src/permit.c

#include "parms.h"
#include "structs.h"

#ifdef	RCSIDENT
static char rcsid[] = "$Header: permit.c,v 1.7 85/01/18 15:34:30 notes Rel $";
#endif	RCSIDENT


/*
 *	this package contains routines which tell whether a person is
 *	allowed various priviledges in the current notefile.
 *
 *	It is assumed that the notefile descriptor in the notefile base
 *	is up-to-date. No disk I/O is performed to get a more recent copy
 *	of the descriptor.
 *
 *	original author : Ray Essick may 29, 1981
 *	Modified:	Ray Essick	November 17, 1981
 *	Modified:	Ray Essick	January	1982
 *
 */

allow (io, mode)
struct io_f *io;
{
    switch (mode)
    {
	case RESPOK: 
	    return io -> access & (RESPOK + WRITOK + DRCTOK);
	    break;
	case READOK: 
	    return io -> access & (READOK + DRCTOK);
	    break;
	case WRITOK: 
	    return io -> access & (WRITOK + DRCTOK);
	    break;
	case DRCTOK: 
	    return io -> access & (DRCTOK);
	    break;
	default: 
	    x (1, "permit: bad mode");
    }
    return 0;						/* to please lint */
}