1 /* mpz_out_str(stream, base, integer) -- Output to STREAM the multi prec.
2 integer INTEGER in base BASE.
4 Copyright (C) 1991, 1993, 1994, 1996 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 Library General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or (at your
11 option) any later version.
13 The GNU MP Library is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
16 License for more details.
18 You should have received a copy of the GNU Library General Public License
19 along with the GNU MP Library; see the file COPYING.LIB. If not, write to
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21 MA 02111-1307, USA. */
29 mpz_out_str (FILE *stream, int base, mpz_srcptr x)
31 mpz_out_str (stream, base, x)
38 mp_size_t x_size = x->_mp_size;
53 num_to_text = "0123456789abcdefghijklmnopqrstuvwxyz";
58 num_to_text = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
64 return ferror (stream) ? 0 : 1;
77 str_size = ((size_t) (x_size * BITS_PER_MP_LIMB
78 * __mp_bases[base].chars_per_bit_exactly)) + 3;
79 str = (unsigned char *) TMP_ALLOC (str_size);
81 /* Move the number to convert into temporary space, since mpn_get_str
82 clobbers its argument + needs one extra high limb.... */
83 xp = (mp_ptr) TMP_ALLOC ((x_size + 1) * BYTES_PER_MP_LIMB);
84 MPN_COPY (xp, x->_mp_d, x_size);
86 str_size = mpn_get_str (str, base, xp, x_size);
88 /* mpn_get_str might make some leading zeros. Skip them. */
95 /* Translate to printable chars. */
96 for (i = 0; i < str_size; i++)
97 str[i] = num_to_text[str[i]];
102 fwret = fwrite ((char *) str, 1, str_size, stream);
107 return ferror (stream) ? 0 : written;