1 /* _mpz_realloc -- make the MP_INT have NEW_SIZE digits allocated.
3 Copyright (C) 1991 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 The GNU MP Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with the GNU MP Library; see the file COPYING. If not, write to
19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
26 _mpz_realloc (MP_INT *m, mp_size new_size)
28 _mpz_realloc (m, new_size)
33 /* Never allocate zero space. */
37 m->d = (mp_ptr) (*_mp_reallocate_func) (m->d, m->alloc * BYTES_PER_MP_LIMB,
38 new_size * BYTES_PER_MP_LIMB);
42 /* This might break some code that reads the size field after
43 reallocation, in the case the reallocated destination and a
44 source argument are identical. */
45 if (ABS (m->size) > new_size)