libpurple/protocols/zephyr/ZGetLocs.c

/* This file is part of the Project Athena Zephyr Notification System.
 * It contains source for the ZGetLocations function.
 *
 *	Created by:	Robert French
 *
 *	Copyright (c) 1987 by the Massachusetts Institute of Technology.
 *	For copying and distribution information, see the file
 *	"mit-copyright.h".
 */

#include "internal.h"

/* Prototype for -Wmissing-prototypes */
Code_t ZGetLocations(ZLocations_t *location, int *numlocs);

Code_t ZGetLocations(ZLocations_t *location, int *numlocs)
{
    int i;

    if (!__locate_list)
	return (ZERR_NOLOCATIONS);

    if (__locate_next == __locate_num)
	return (ZERR_NOMORELOCS);

	for (i = 0; i < MIN(*numlocs, __locate_num - __locate_next); i++) {
		location[i] = __locate_list[i + __locate_next];
	}

    if (__locate_num-__locate_next < *numlocs)
	*numlocs = __locate_num-__locate_next;

    __locate_next += *numlocs;

    return (ZERR_NONE);
}