freebsd-dev/gnu/lib/libgmp/memory.c

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/* Memory allocation routines.
Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library 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 2, or (at your option)
any later version.
The GNU MP Library 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 the GNU MP Library; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include "gmp.h"
#include "gmp-impl.h"
#ifdef __NeXT__
#define static
#endif
#ifdef __STDC__
void * (*_mp_allocate_func) (size_t) = _mp_default_allocate;
void * (*_mp_reallocate_func) (void *, size_t, size_t)
= _mp_default_reallocate;
void (*_mp_free_func) (void *, size_t) = _mp_default_free;
#else
void * (*_mp_allocate_func) () = _mp_default_allocate;
void * (*_mp_reallocate_func) () = _mp_default_reallocate;
void (*_mp_free_func) () = _mp_default_free;
#endif
/* Default allocation functions. In case of failure to allocate/reallocate
an error message is written to stderr and the program aborts. */
void *
#ifdef __STDC__
_mp_default_allocate (size_t size)
#else
_mp_default_allocate (size)
size_t size;
#endif
{
void *ret;
ret = malloc (size);
if (ret == 0)
{
perror ("cannot allocate in libmp");
abort ();
}
return ret;
}
void *
#ifdef __STDC__
_mp_default_reallocate (void *oldptr, size_t old_size, size_t new_size)
#else
_mp_default_reallocate (oldptr, old_size, new_size)
void *oldptr;
size_t old_size;
size_t new_size;
#endif
{
void *ret;
ret = realloc (oldptr, new_size);
if (ret == 0)
{
perror ("cannot allocate in libmp");
abort ();
}
return ret;
}
void
#ifdef __STDC__
_mp_default_free (void *blk_ptr, size_t blk_size)
#else
_mp_default_free (blk_ptr, blk_size)
void *blk_ptr;
size_t blk_size;
#endif
{
free (blk_ptr);
}