1 /* mpz_inp_raw -- Input a MP_INT in raw, but endianess, and wordsize
2 independent format (as output by mpz_out_raw).
4 Copyright (C) 1991, 1992 Free Software Foundation, Inc.
6 This file is part of the GNU MP Library.
8 The GNU MP Library is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 The GNU MP Library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with the GNU MP Library; see the file COPYING. If not, write to
20 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
29 mpz_inp_raw (MP_INT *x, FILE *file)
45 for (i = 4 - 1; i >= 0; i--)
48 xsize = (xsize << BITS_PER_CHAR) | c;
51 /* ??? Sign extend xsize for non-32 bit machines? */
53 x_index = (ABS (xsize) + BYTES_PER_MP_LIMB - 1) / BYTES_PER_MP_LIMB - 1;
55 if (x->alloc < x_index)
56 _mpz_realloc (x, x_index);
59 x->size = xsize / BYTES_PER_MP_LIMB;
61 for (s = ABS (xsize) - 1; s >= 0; s--)
63 i = s % BYTES_PER_MP_LIMB;
65 x_digit = (x_digit << BITS_PER_CHAR) | c;
68 xp[x_index--] = x_digit;