45 lines
864 B
C
45 lines
864 B
C
#include <iso646.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "fumotris.h"
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struct Delegate {
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size_t len;
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size_t capacity;
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void (**events)(void *args);
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};
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size_t delegate_size(size_t capacity)
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{
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return sizeof(void(*)(void *)) * capacity;
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}
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struct Delegate NewDelegate(size_t capacity)
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{
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return (struct Delegate) {
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.len = 0,
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.capacity = capacity,
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.events = malloc(delegate_size(capacity))
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};
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}
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void Subscribe(struct Delegate *d, void (*event)(void *args))
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{
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if (d->len == d->capacity) {
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d->capacity *= 2;
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d->events = realloc(d->events, delegate_size(d->capacity));
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}
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d->events[d->len] = event;
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d->len += 1;
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}
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void Invoke(struct Delegate *d, void *args)
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{
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for (size_t i = 0; i < d->len; i++) {
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d->events[i](args);
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}
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} |