mirror of
https://review.haiku-os.org/buildtools
synced 2025-01-31 18:44:48 +01:00
f133d007f9
Old version was from 2012-05-06, 6.1.2 is from 2016-12-16 A lot of support for newer processors and speedups since then See gmp/NEWS for details
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* mpz_realloc2 -- change allocated data size.
|
|
|
|
Copyright 2001, 2002, 2008 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 either:
|
|
|
|
* the GNU Lesser General Public License as published by the Free
|
|
Software Foundation; either version 3 of the License, or (at your
|
|
option) any later version.
|
|
|
|
or
|
|
|
|
* the GNU General Public License as published by the Free Software
|
|
Foundation; either version 2 of the License, or (at your option) any
|
|
later version.
|
|
|
|
or both in parallel, as here.
|
|
|
|
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 copies of the GNU General Public License and the
|
|
GNU Lesser General Public License along with the GNU MP Library. If not,
|
|
see https://www.gnu.org/licenses/. */
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include "gmp.h"
|
|
#include "gmp-impl.h"
|
|
|
|
void
|
|
mpz_realloc2 (mpz_ptr m, mp_bitcnt_t bits)
|
|
{
|
|
mp_size_t new_alloc;
|
|
|
|
bits -= (bits != 0); /* Round down, except if 0 */
|
|
new_alloc = 1 + bits / GMP_NUMB_BITS;
|
|
|
|
if (sizeof (unsigned long) > sizeof (int)) /* param vs _mp_size field */
|
|
{
|
|
if (UNLIKELY (new_alloc > INT_MAX))
|
|
{
|
|
fprintf (stderr, "gmp: overflow in mpz type\n");
|
|
abort ();
|
|
}
|
|
}
|
|
|
|
PTR(m) = __GMP_REALLOCATE_FUNC_LIMBS (PTR(m), ALLOC(m), new_alloc);
|
|
ALLOC(m) = new_alloc;
|
|
|
|
/* Don't create an invalid number; if the current value doesn't fit after
|
|
reallocation, clear it to 0. */
|
|
if (ABSIZ(m) > new_alloc)
|
|
SIZ(m) = 0;
|
|
}
|