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Diff for /OpenXM_contrib/gmp/mpbsd/Attic/mtox.c between version 1.1.1.1 and 1.1.1.3

version 1.1.1.1, 2000/01/10 15:35:22 version 1.1.1.3, 2003/08/25 16:06:37
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 /* mtox -- Convert OPERAND to hexadecimal and return a malloc'ed string  /* mtox -- Convert OPERAND to hexadecimal and return a malloc'ed string
    with the result of the conversion.     with the result of the conversion.
   
 Copyright (C) 1991, 1994 Free Software Foundation, Inc.  Copyright 1991, 1994, 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 23  MA 02111-1307, USA. */
Line 23  MA 02111-1307, USA. */
 #include "mp.h"  #include "mp.h"
 #include "gmp.h"  #include "gmp.h"
 #include "gmp-impl.h"  #include "gmp-impl.h"
   #include "longlong.h"
   
 char *  char *
 #if __STDC__  
 mtox (const MINT *x)  mtox (const MINT *x)
 #else  
 mtox (x)  
      const MINT *x;  
 #endif  
 {  {
   mp_ptr xp;  
   mp_size_t xsize = x->_mp_size;    mp_size_t xsize = x->_mp_size;
     mp_ptr    xp;
   mp_size_t xsign;    mp_size_t xsign;
   unsigned char *str, *s;    unsigned char *str, *s;
   size_t str_size, i;    size_t str_size, alloc_size, i;
   int zeros;  
   char *num_to_text;  
   TMP_DECL (marker);  
   
   if (xsize == 0)  
     {  
       str = (unsigned char *) (*_mp_allocate_func) (2);  
       str[0] = '0';  
       str[1] = 0;  
       return str;  
     }  
   xsign = xsize;    xsign = xsize;
   if (xsize < 0)    if (xsize < 0)
     xsize = -xsize;      xsize = -xsize;
   
   TMP_MARK (marker);    /* digits, plus '\0', plus possible '-', for an exact size */
   str_size = ((size_t) (xsize * BITS_PER_MP_LIMB    xp = x->_mp_d;
                         * __mp_bases[16].chars_per_bit_exactly)) + 3;    MPN_SIZEINBASE_16 (alloc_size, xp, xsize);
   str = (unsigned char *) (*_mp_allocate_func) (str_size);    alloc_size += 1 + (xsign < 0);
   
     str = (unsigned char *) (*__gmp_allocate_func) (alloc_size);
   s = str;    s = str;
   
   if (xsign < 0)    if (xsign < 0)
     *s++ = '-';      *s++ = '-';
   
   /* Move the number to convert into temporary space, since mpn_get_str  
      clobbers its argument + needs one extra high limb....  */  
   xp = (mp_ptr) TMP_ALLOC ((xsize + 1) * BYTES_PER_MP_LIMB);  
   MPN_COPY (xp, x->_mp_d, xsize);  
   
   str_size = mpn_get_str (s, 16, xp, xsize);    str_size = mpn_get_str (s, 16, xp, xsize);
     ASSERT (str_size <= alloc_size - (xsign < 0));
     ASSERT (str_size == 1 || *s != 0);
   
   /* mpn_get_str might make some leading zeros.  Skip them.  */  
   for (zeros = 0; s[zeros] == 0; zeros++)  
     str_size--;  
   
   /* Translate to printable chars and move string down.  */  
   for (i = 0; i < str_size; i++)    for (i = 0; i < str_size; i++)
     s[i] = "0123456789abcdef"[s[zeros + i]];      s[i] = "0123456789abcdef"[s[i]];
   s[str_size] = 0;    s[str_size] = 0;
   
   return str;    ASSERT (strlen (str) + 1 == alloc_size);
     return (char *) str;
 }  }

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  Added in v.1.1.1.3

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