#ifndef lint
static char sccsid[] = "@(#)free_map.c 1.1 92/07/30";
#endif
/*
* Name: free_map.c
*
* Description: Free a form map entry.
*
* Call syntax: free_form_map(form_p, obj_p, name_p);
*
* Parameters: form * form_p;
* pointer obj_p;
* char * name_p;
*/
#include "menu.h"
void
free_form_map(form_p, obj_p, name_p)
form * form_p;
pointer obj_p;
char * name_p;
{
form_map * map_p; /* ptr to target map entry */
form_map * mp; /* ptr to scratch map entry */
for (map_p = form_p->f_map; map_p; map_p = map_p->fm_next)
if (map_p->fm_obj == obj_p)
break;
if (map_p == NULL) {
menu_log("free_form_map(): cannot find object's map entry.");
menu_log("\tobject name is %s.", name_p);
menu_log("\tform name is %s", form_p->f_name);
menu_abort(1);
}
/*
* The target is the first field so just update the pointers
*/
if (map_p == form_p->f_map) {
form_p->f_map = map_p->fm_next;
form_p->f_map->fm_prev = NULL;
}
else {
for (mp = form_p->f_map; mp; mp = mp->fm_next)
if (mp->fm_next == map_p)
break;
mp->fm_next = map_p->fm_next;
/*
* If there is a next map entry, make sure it points
* at its new predecessor.
*/
if (mp->fm_next)
mp->fm_next->fm_prev = mp;
}
bzero((char *) map_p, sizeof(*map_p));
free((char *) map_p);
} /* end free_form_map() */
