diff options
Diffstat (limited to 'gnu/lib/libgmp/mpz/inp_raw.c')
-rw-r--r-- | gnu/lib/libgmp/mpz/inp_raw.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/gnu/lib/libgmp/mpz/inp_raw.c b/gnu/lib/libgmp/mpz/inp_raw.c deleted file mode 100644 index e1cec1d..0000000 --- a/gnu/lib/libgmp/mpz/inp_raw.c +++ /dev/null @@ -1,101 +0,0 @@ -/* mpz_inp_raw -- Input a mpz_t in raw, but endianess, and wordsize - independent format (as output by mpz_out_raw). - -Copyright (C) 1991, 1993, 1994, 1995 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 the GNU Library General Public License as published by -the Free Software Foundation; either version 2 of the License, or (at your -option) any later version. - -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 Library General Public -License for more details. - -You should have received a copy of the GNU Library General Public License -along with the GNU MP Library; see the file COPYING.LIB. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -MA 02111-1307, USA. */ - -#include <stdio.h> - -#include "gmp.h" -#include "gmp-impl.h" - -size_t -#if __STDC__ -mpz_inp_raw (mpz_ptr x, FILE *stream) -#else -mpz_inp_raw (x, stream) - mpz_ptr x; - FILE *stream; -#endif -{ - int i; - mp_size_t s; - mp_size_t xsize; - mp_ptr xp; - unsigned int c; - mp_limb_t x_limb; - mp_size_t in_bytesize; - int neg_flag; - - if (stream == 0) - stream = stdin; - - /* Read 4-byte size */ - in_bytesize = 0; - for (i = 4 - 1; i >= 0; i--) - { - c = fgetc (stream); - in_bytesize = (in_bytesize << BITS_PER_CHAR) | c; - } - - /* Size is stored as a 32 bit word; sign extend in_bytesize for non-32 bit - machines. */ - if (sizeof (mp_size_t) > 4) - in_bytesize |= (-(in_bytesize < 0)) << 31; - - neg_flag = in_bytesize < 0; - in_bytesize = ABS (in_bytesize); - xsize = (in_bytesize + BYTES_PER_MP_LIMB - 1) / BYTES_PER_MP_LIMB; - - if (xsize == 0) - { - x->_mp_size = 0; - return 4; /* we've read 4 bytes */ - } - - if (x->_mp_alloc < xsize) - _mpz_realloc (x, xsize); - xp = x->_mp_d; - - x_limb = 0; - for (i = (in_bytesize - 1) % BYTES_PER_MP_LIMB; i >= 0; i--) - { - c = fgetc (stream); - x_limb = (x_limb << BITS_PER_CHAR) | c; - } - xp[xsize - 1] = x_limb; - - for (s = xsize - 2; s >= 0; s--) - { - x_limb = 0; - for (i = BYTES_PER_MP_LIMB - 1; i >= 0; i--) - { - c = fgetc (stream); - x_limb = (x_limb << BITS_PER_CHAR) | c; - } - xp[s] = x_limb; - } - - if (c == EOF) - return 0; /* error */ - - MPN_NORMALIZE (xp, xsize); - x->_mp_size = neg_flag ? -xsize : xsize; - return in_bytesize + 4; -} |