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[util] Make Hash_DelContext null-safe
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@ -229,6 +229,9 @@ hash_shutdown (void *data)
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VISIBLE void
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Hash_DelContext (hashctx_t *hashctx)
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{
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if (!hashctx) {
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return;
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}
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while (hashctx->linksets) {
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hlinkset_t *l = hashctx->linksets->next;
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free (hashctx->linksets);
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