Geografic-Information-System/general/g.access/exp_perms.c

#include <grass/gis.h>
char *
explain_perms (int group, int other, int will)
{
    static char buf[128];
    char *who;
    char *verb;
    char *read;

    verb="have";
    read="read ";
    read="";	/* remove this to have "read" appear */
    if (group && other)
    {
	who  = "Everyone";
	verb = "has";
    }
    else if (group)
    {
	who = "Only users in your group";
    }
    else if (other)
    {
	who = "Only users outside your group";
    }
    else
    {
	who  = "Only you";
	read = "";
    }
    if (will) verb = "have";

    sprintf (buf, "%s %s %s %saccess to mapset %s",
	who, will?"will":"now", verb, read, G_mapset());
    return buf;
}