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/* Memory allocators such as malloc+free.
Copyright (C) 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
#ifndef _GL_ALLOCATOR_H
#include <stddef.h>
struct allocator
{
/* Call MALLOC to allocate memory, like 'malloc'. On failure MALLOC
should return NULL, though not necessarily set errno. When given
a zero size it may return NULL even if successful. */
void *(*malloc) (size_t);
/* If nonnull, call REALLOC to reallocate memory, like 'realloc'.
On failure REALLOC should return NULL, though not necessarily set
errno. When given a zero size it may return NULL even if
successful. */
void *(*realloc) (void *, size_t);
/* Call FREE to free memory, like 'free'. */
void (*free) (void *);
/* If nonnull, call DIE if MALLOC or REALLOC fails. DIE should
not return. */
void (*die) (void);
};
#endif
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