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/*
* UCW Library -- Generic allocators
*
* (c) 2014 Martin Mares <mj@ucw.cz>
* SPDX-License-Identifier: LGPL-2.1-or-later
* Source: https://www.ucw.cz/libucw/
*/
#ifndef _UCW_ALLOC_H
#define _UCW_ALLOC_H
/**
* This structure describes a generic allocator. It provides pointers
* to three functions, which handle the actual (re)allocations.
**/
struct ucw_allocator {
void * (*alloc)(struct ucw_allocator *alloc, size_t size);
void * (*realloc)(struct ucw_allocator *alloc, void *ptr, size_t old_size, size_t new_size);
void (*free)(struct ucw_allocator *alloc, void *ptr);
};
/* alloc-std.c */
/**
* [[std]]
* This allocator uses <<basics:xmalloc()>>, <<basics:xrealloc()>> and <<basics:xfree()>>. The memory
* it allocates is left unitialized.
**/
extern struct ucw_allocator ucw_allocator_std;
/**
* [[zeroing]]
* This allocator uses <<basics:xmalloc()>>, <<basics:xrealloc()>> and <<basics:xfree()>>. All memory
* is zeroed upon allocation.
**/
extern struct ucw_allocator ucw_allocator_zeroed;
#endif
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