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45 lines
1002 B
C
45 lines
1002 B
C
/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the GPL.
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*/
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#ifndef _LVM_POOL_H
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#define _LVM_POOL_H
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#include <string.h>
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#include <stdlib.h>
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struct pool;
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/* constructor and destructor */
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struct pool *pool_create(size_t chunk_hint);
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void pool_destroy(struct pool *p);
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/* simple allocation/free routines */
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void *pool_alloc(struct pool *p, size_t s);
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void *pool_alloc_aligned(struct pool *p, size_t s, unsigned alignment);
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void pool_empty(struct pool *p);
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void pool_free(struct pool *p, void *ptr);
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/* object building routines */
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void *pool_begin_object(struct pool *p, size_t init_size);
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void *pool_grow_object(struct pool *p, void *buffer, size_t delta);
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void *pool_end_object(struct pool *p);
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void pool_abandon_object(struct pool *p);
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/* utilities */
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char *pool_strdup(struct pool *p, const char *str);
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static inline void *pool_zalloc(struct pool *p, size_t s) {
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void *ptr = pool_alloc(p, s);
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if (ptr)
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memset(ptr, 0, s);
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return ptr;
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}
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#endif
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