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Annotation of OpenXM_contrib/gmp/mpz/realloc.c, Revision 1.1.1.3

1.1.1.3 ! ohara       1: /* _mpz_realloc -- make the mpz_t have NEW_ALLOC digits allocated.
1.1       maekawa     2:
1.1.1.3 ! ohara       3: Copyright 1991, 1993, 1994, 1995, 2000, 2001 Free Software Foundation, Inc.
1.1       maekawa     4:
                      5: This file is part of the GNU MP Library.
                      6:
                      7: The GNU MP Library is free software; you can redistribute it and/or modify
1.1.1.2   maekawa     8: it under the terms of the GNU Lesser General Public License as published by
                      9: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1       maekawa    10: option) any later version.
                     11:
                     12: The GNU MP Library is distributed in the hope that it will be useful, but
                     13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
1.1.1.2   maekawa    14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
1.1       maekawa    15: License for more details.
                     16:
1.1.1.2   maekawa    17: You should have received a copy of the GNU Lesser General Public License
1.1       maekawa    18: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     20: MA 02111-1307, USA. */
                     21:
                     22: #include "gmp.h"
                     23: #include "gmp-impl.h"
                     24:
                     25: void *
1.1.1.3 ! ohara      26: _mpz_realloc (mpz_ptr m, mp_size_t new_alloc)
1.1       maekawa    27: {
1.1.1.3 ! ohara      28:   mp_ptr mp;
        !            29:
1.1       maekawa    30:   /* Never allocate zero space. */
1.1.1.3 ! ohara      31:   new_alloc = MAX (new_alloc, 1);
1.1       maekawa    32:
1.1.1.3 ! ohara      33:   mp = __GMP_REALLOCATE_FUNC_LIMBS (PTR(m), ALLOC(m), new_alloc);
        !            34:   PTR(m) = mp;
        !            35:   ALLOC(m) = new_alloc;
        !            36:
        !            37:   /* Don't create an invalid number; if the current value doesn't fit after
        !            38:      reallocation, clear it to 0.  */
        !            39:   if (ABSIZ(m) > new_alloc)
        !            40:     SIZ(m) = 0;
1.1       maekawa    41:
1.1.1.3 ! ohara      42:   return (void *) mp;
1.1       maekawa    43: }