[BACK]Return to memory.c CVS log [TXT][DIR] Up to [local] / OpenXM_contrib / gmp

Diff for /OpenXM_contrib/gmp/Attic/memory.c between version 1.1 and 1.1.1.2

version 1.1, 2000/01/10 15:35:22 version 1.1.1.2, 2000/09/09 14:12:15
Line 1 
Line 1 
 /* Memory allocation routines.  /* Memory allocation routines.
   
 Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc.  Copyright (C) 1991, 1993, 1994, 2000 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"
Line 28  MA 02111-1307, USA. */
Line 29  MA 02111-1307, USA. */
 #define static  #define static
 #endif  #endif
   
 #if __STDC__  
 void *  (*_mp_allocate_func) (size_t) = _mp_default_allocate;  void *  (*_mp_allocate_func) _PROTO ((size_t)) = _mp_default_allocate;
 void *  (*_mp_reallocate_func) (void *, size_t, size_t)  void *  (*_mp_reallocate_func) _PROTO ((void *, size_t, size_t))
      = _mp_default_reallocate;       = _mp_default_reallocate;
 void    (*_mp_free_func) (void *, size_t) = _mp_default_free;  void    (*_mp_free_func) _PROTO ((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.  */
   
Line 51  _mp_default_allocate (size)
Line 48  _mp_default_allocate (size)
 #endif  #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");        perror ("cannot allocate in gmp");
       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;
 }  }
   
Line 74  _mp_default_reallocate (oldptr, old_size, new_size)
Line 84  _mp_default_reallocate (oldptr, old_size, new_size)
 {  {
   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)
     {      {
Line 81  _mp_default_reallocate (oldptr, old_size, new_size)
Line 114  _mp_default_reallocate (oldptr, 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;
 }  }
   
Line 93  _mp_default_free (blk_ptr, blk_size)
Line 136  _mp_default_free (blk_ptr, blk_size)
      size_t blk_size;       size_t blk_size;
 #endif  #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);
 }  }
Legend:
Removed from v.1.1  
changed lines
  Added in v.1.1.1.2
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>