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Diff for /OpenXM_contrib/gmp/Attic/memory.c between version 1.1 and 1.1.1.3

version 1.1, 2000/01/10 15:35:22 version 1.1.1.3, 2003/08/25 16:06:00
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 /* Memory allocation routines.  /* Memory allocation routines.
   
 Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc.  Copyright 1991, 1993, 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. */
   
 #include <stdio.h>  #include <stdio.h>
   #include <stdlib.h> /* for malloc, realloc, free */
   
 #include "gmp.h"  #include "gmp.h"
 #include "gmp-impl.h"  #include "gmp-impl.h"
   
 #ifdef __NeXT__  
 #define static  
 #endif  
   
 #if __STDC__  void *  (*__gmp_allocate_func) _PROTO ((size_t)) = __gmp_default_allocate;
 void *  (*_mp_allocate_func) (size_t) = _mp_default_allocate;  void *  (*__gmp_reallocate_func) _PROTO ((void *, size_t, size_t))
 void *  (*_mp_reallocate_func) (void *, size_t, size_t)       = __gmp_default_reallocate;
      = _mp_default_reallocate;  void    (*__gmp_free_func) _PROTO ((void *, size_t)) = __gmp_default_free;
 void    (*_mp_free_func) (void *, size_t) = _mp_default_free;  
 #else  
 void *  (*_mp_allocate_func) () = _mp_default_allocate;  
 void *  (*_mp_reallocate_func) () = _mp_default_reallocate;  
 void    (*_mp_free_func) () = _mp_default_free;  
 #endif  
   
   
 /* Default allocation functions.  In case of failure to allocate/reallocate  /* Default allocation functions.  In case of failure to allocate/reallocate
    an error message is written to stderr and the program aborts.  */     an error message is written to stderr and the program aborts.  */
   
 void *  void *
 #if __STDC__  __gmp_default_allocate (size_t size)
 _mp_default_allocate (size_t size)  
 #else  
 _mp_default_allocate (size)  
      size_t size;  
 #endif  
 {  {
   void *ret;    void *ret;
   #ifdef DEBUG
     size_t req_size = size;
     size += 2 * BYTES_PER_MP_LIMB;
   #endif
   ret = malloc (size);    ret = malloc (size);
   if (ret == 0)    if (ret == 0)
     {      {
       perror ("cannot allocate in gmp");        fprintf (stderr, "GNU MP: Cannot allocate memory (size=%u)\n", size);
       abort ();        abort ();
     }      }
   
   #ifdef DEBUG
     {
       mp_ptr p = ret;
       p++;
       p[-1] = (0xdeadbeef << 31) + 0xdeafdeed;
       if (req_size % BYTES_PER_MP_LIMB == 0)
         p[req_size / BYTES_PER_MP_LIMB] = ~((0xdeadbeef << 31) + 0xdeafdeed);
       ret = p;
     }
   #endif
   return ret;    return ret;
 }  }
   
 void *  void *
 #if __STDC__  __gmp_default_reallocate (void *oldptr, size_t old_size, size_t new_size)
 _mp_default_reallocate (void *oldptr, size_t old_size, size_t new_size)  
 #else  
 _mp_default_reallocate (oldptr, old_size, new_size)  
      void *oldptr;  
      size_t old_size;  
      size_t new_size;  
 #endif  
 {  {
   void *ret;    void *ret;
   
   #ifdef DEBUG
     size_t req_size = new_size;
   
     if (old_size != 0)
       {
         mp_ptr p = oldptr;
         if (p[-1] != (0xdeadbeef << 31) + 0xdeafdeed)
           {
             fprintf (stderr, "gmp: (realloc) data clobbered before allocation block\n");
             abort ();
           }
         if (old_size % BYTES_PER_MP_LIMB == 0)
           if (p[old_size / BYTES_PER_MP_LIMB] != ~((0xdeadbeef << 31) + 0xdeafdeed))
             {
               fprintf (stderr, "gmp: (realloc) data clobbered after allocation block\n");
               abort ();
             }
         oldptr = p - 1;
       }
   
     new_size += 2 * BYTES_PER_MP_LIMB;
   #endif
   
   ret = realloc (oldptr, new_size);    ret = realloc (oldptr, new_size);
   if (ret == 0)    if (ret == 0)
     {      {
       perror ("cannot allocate in gmp");        fprintf (stderr, "GNU MP: Cannot reallocate memory (old_size=%u new_size=%u)\n", old_size, new_size);
       abort ();        abort ();
     }      }
   
   #ifdef DEBUG
     {
       mp_ptr p = ret;
       p++;
       p[-1] = (0xdeadbeef << 31) + 0xdeafdeed;
       if (req_size % BYTES_PER_MP_LIMB == 0)
         p[req_size / BYTES_PER_MP_LIMB] = ~((0xdeadbeef << 31) + 0xdeafdeed);
       ret = p;
     }
   #endif
   return ret;    return ret;
 }  }
   
 void  void
 #if __STDC__  __gmp_default_free (void *blk_ptr, size_t blk_size)
 _mp_default_free (void *blk_ptr, size_t blk_size)  
 #else  
 _mp_default_free (blk_ptr, blk_size)  
      void *blk_ptr;  
      size_t blk_size;  
 #endif  
 {  {
   #ifdef DEBUG
     {
       mp_ptr p = blk_ptr;
       if (blk_size != 0)
         {
           if (p[-1] != (0xdeadbeef << 31) + 0xdeafdeed)
             {
               fprintf (stderr, "gmp: (free) data clobbered before allocation block\n");
               abort ();
             }
           if (blk_size % BYTES_PER_MP_LIMB == 0)
             if (p[blk_size / BYTES_PER_MP_LIMB] != ~((0xdeadbeef << 31) + 0xdeafdeed))
               {
                 fprintf (stderr, "gmp: (free) data clobbered after allocation block\n");
                 abort ();
               }
         }
       blk_ptr = p - 1;
     }
   #endif
   free (blk_ptr);    free (blk_ptr);
 }  }
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