libpurple/protocols/zephyr/ZGetSubs.c

changeset 15435
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parent 14254
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child 16238
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child 18068
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child 20478
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15434:94dcf9e39d66 15435:4b933b06d75e
1 /* This file is part of the Project Athena Zephyr Notification System.
2 * It contains source for the ZGetSubscriptions function.
3 *
4 * Created by: Robert French
5 *
6 * Copyright (c) 1987 by the Massachusetts Institute of Technology.
7 * For copying and distribution information, see the file
8 * "mit-copyright.h".
9 */
10
11 #include "internal.h"
12
13 #define min(a,b) ((a)<(b)?(a):(b))
14
15 /* Prototype for -Wmissing-prototypes */
16 Code_t ZGetSubscriptions(ZSubscription_t *subscription, int *numsubs);
17
18 Code_t ZGetSubscriptions(ZSubscription_t *subscription, int *numsubs)
19 {
20 int i;
21
22 if (!__subscriptions_list)
23 return (ZERR_NOSUBSCRIPTIONS);
24
25 if (__subscriptions_next == __subscriptions_num)
26 return (ZERR_NOMORESUBSCRIPTIONS);
27
28 for (i=0;i<min(*numsubs, __subscriptions_num-__subscriptions_next);i++)
29 subscription[i] = __subscriptions_list[i+__subscriptions_next];
30
31 if (__subscriptions_num-__subscriptions_next < *numsubs)
32 *numsubs = __subscriptions_num-__subscriptions_next;
33
34 __subscriptions_next += *numsubs;
35
36 return (ZERR_NONE);
37 }

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