kc3-lang/gnulib/lib/bcopy.c

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• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• lib/bcopy.c

• /* bcopy.c -- copy memory.
  
     Copyright (C) 1992-2025 Free Software Foundation, Inc.
  
     This file is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.
  
     This file 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 General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by David MacKenzie <djm@gnu.ai.mit.edu>.  */
  
  #include <config.h>
  
  #include <stddef.h>
  
  /* Copy LENGTH bytes from SOURCE to DEST.  Does not null-terminate.  */
  
  void
  bcopy (void const *source0, void *dest0, size_t length)
  {
    char const *source = source0;
    char *dest = dest0;
    if (source < dest)
      /* Moving from low mem to hi mem; start at end.  */
      for (source += length, dest += length; length; --length)
        *--dest = *--source;
    else if (source != dest)
      /* Moving from hi mem to low mem; start at beginning.  */
      for (; length; --length)
        *dest++ = *source++;
  }
  

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