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Diff for /OpenXM_contrib/gmp/mpz/Attic/inp_str.c between version 1.1.1.1 and 1.1.1.3

version 1.1.1.1, 2000/01/10 15:35:27 version 1.1.1.3, 2003/08/25 16:06:33
Line 1 
Line 1 
 /* mpz_inp_str(dest_integer, stream, base) -- Input a number in base  /* mpz_inp_str(dest_integer, stream, base) -- Input a number in base
    BASE from stdio stream STREAM and store the result in DEST_INTEGER.     BASE from stdio stream STREAM and store the result in DEST_INTEGER.
   
 Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc.     OF THE FUNCTIONS IN THIS FILE, ONLY mpz_inp_str IS FOR EXTERNAL USE, THE
      REST ARE INTERNALS AND ARE ALMOST CERTAIN TO BE SUBJECT TO INCOMPATIBLE
      CHANGES OR DISAPPEAR COMPLETELY IN FUTURE GNU MP RELEASES.
   
   Copyright 1991, 1993, 1994, 1996, 1998, 2000, 2001, 2002 Free Software
   Foundation, Inc.
   
 This file is part of the GNU MP Library.  This file is part of the GNU MP Library.
   
 The GNU MP Library is free software; you can redistribute it and/or modify  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  it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 2 of the License, or (at your  the Free Software Foundation; either version 2.1 of the License, or (at your
 option) any later version.  option) any later version.
   
 The GNU MP Library is distributed in the hope that it will be useful, but  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  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 License for more details.  License for more details.
   
 You should have received a copy of the GNU Library General Public License  You should have received a copy of the GNU Lesser General Public License
 along with the GNU MP Library; see the file COPYING.LIB.  If not, write to  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,  the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 MA 02111-1307, USA. */  MA 02111-1307, USA. */
Line 26  MA 02111-1307, USA. */
Line 31  MA 02111-1307, USA. */
 #include "gmp-impl.h"  #include "gmp-impl.h"
   
 static int  static int
 digit_value_in_base (c, base)  digit_value_in_base (int c, int base)
      int c;  
      int base;  
 {  {
   int digit;    int digit;
   
Line 47  digit_value_in_base (c, base)
Line 50  digit_value_in_base (c, base)
 }  }
   
 size_t  size_t
 #if __STDC__  mpz_inp_str (mpz_ptr x, FILE *stream, int base)
 mpz_inp_str (mpz_ptr dest, FILE *stream, int base)  
 #else  
 mpz_inp_str (dest, stream, base)  
      mpz_ptr dest;  
      FILE *stream;  
      int base;  
 #endif  
 {  {
   char *str;  
   size_t alloc_size, str_size;  
   int c;    int c;
   int negative;  
   mp_size_t dest_size;  
   size_t nread;    size_t nread;
   
   if (stream == 0)    if (stream == 0)
     stream = stdin;      stream = stdin;
   
   alloc_size = 100;  
   str = (char *) (*_mp_allocate_func) (alloc_size);  
   str_size = 0;  
   nread = 0;    nread = 0;
   
   /* Skip whitespace.  */    /* Skip whitespace.  */
Line 79  mpz_inp_str (dest, stream, base)
Line 68  mpz_inp_str (dest, stream, base)
     }      }
   while (isspace (c));    while (isspace (c));
   
     return mpz_inp_str_nowhite (x, stream, base, c, nread);
   }
   
   /* shared by mpq_inp_str */
   size_t
   mpz_inp_str_nowhite (mpz_ptr x, FILE *stream, int base, int c, size_t nread)
   {
     char *str;
     size_t alloc_size, str_size;
     int negative;
     mp_size_t xsize;
   
   negative = 0;    negative = 0;
   if (c == '-')    if (c == '-')
     {      {
       negative = 1;        negative = 1;
       c = getc (stream);        c = getc (stream);
         nread++;
     }      }
   
   if (digit_value_in_base (c, base == 0 ? 10 : base) < 0)    if (digit_value_in_base (c, base == 0 ? 10 : base) < 0)
Line 105  mpz_inp_str (dest, stream, base)
Line 107  mpz_inp_str (dest, stream, base)
               c = getc (stream);                c = getc (stream);
               nread++;                nread++;
             }              }
             else if (c == 'b' || c == 'B')
               {
                 base = 2;
                 c = getc (stream);
                 nread++;
               }
         }          }
     }      }
   
     /* Skip leading zeros.  */
     while (c == '0')
       {
         c = getc (stream);
         nread++;
       }
   
     alloc_size = 100;
     str = (char *) (*__gmp_allocate_func) (alloc_size);
     str_size = 0;
   
   for (;;)    for (;;)
     {      {
       int dig;        int dig;
Line 115  mpz_inp_str (dest, stream, base)
Line 134  mpz_inp_str (dest, stream, base)
         {          {
           size_t old_alloc_size = alloc_size;            size_t old_alloc_size = alloc_size;
           alloc_size = alloc_size * 3 / 2;            alloc_size = alloc_size * 3 / 2;
           str = (char *) (*_mp_reallocate_func) (str, old_alloc_size, alloc_size);            str = (char *) (*__gmp_reallocate_func) (str, old_alloc_size, alloc_size);
         }          }
       dig = digit_value_in_base (c, base);        dig = digit_value_in_base (c, base);
       if (dig < 0)        if (dig < 0)
Line 123  mpz_inp_str (dest, stream, base)
Line 142  mpz_inp_str (dest, stream, base)
       str[str_size++] = dig;        str[str_size++] = dig;
       c = getc (stream);        c = getc (stream);
     }      }
     nread += str_size;
   
   ungetc (c, stream);    ungetc (c, stream);
     nread--;
   
   dest_size = str_size / __mp_bases[base].chars_per_limb + 1;    /* Make sure the string is not empty, mpn_set_str would fail.  */
   if (dest->_mp_alloc < dest_size)    if (str_size == 0)
     _mpz_realloc (dest, dest_size);      {
         x->_mp_size = 0;
       }
     else
       {
         xsize = (((mp_size_t)
                   (str_size / __mp_bases[base].chars_per_bit_exactly))
                  / GMP_NUMB_BITS + 2);
         if (x->_mp_alloc < xsize)
           _mpz_realloc (x, xsize);
   
   dest_size = mpn_set_str (dest->_mp_d, (unsigned char *) str, str_size, base);        /* Convert the byte array in base BASE to our bignum format.  */
   dest->_mp_size = negative ? -dest_size : dest_size;        xsize = mpn_set_str (x->_mp_d, (unsigned char *) str, str_size, base);
         x->_mp_size = negative ? -xsize : xsize;
   (*_mp_free_func) (str, alloc_size);      }
   return str_size + nread;    (*__gmp_free_func) (str, alloc_size);
     return nread;
 }  }
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  Added in v.1.1.1.3
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