44 lines
771 B
C
44 lines
771 B
C
/*
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* collectn.c - implements variable length pointer arrays [collections].
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*
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* This file is public domain.
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*/
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#include "collectn.h"
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#include <stdlib.h>
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void collection_init(Collection * c)
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{
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int i;
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for (i = 0; i < 32; i++)
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c->p[i] = NULL;
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c->next = NULL;
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}
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void **colln(Collection * c, int index)
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{
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while (index >= 32) {
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index -= 32;
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if (c->next == NULL) {
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c->next = malloc(sizeof(Collection));
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collection_init(c->next);
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}
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c = c->next;
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}
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return &(c->p[index]);
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}
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void collection_reset(Collection * c)
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{
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int i;
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if (c->next) {
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collection_reset(c->next);
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free(c->next);
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}
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c->next = NULL;
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for (i = 0; i < 32; i++)
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c->p[i] = NULL;
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}
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