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