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;
}