kc3-lang/gnulib/lib/bcopy.c

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• Hash : 600c19cf
  Author :
  Date : 2011-10-13T23:35:20
  

  ffs, bcopy, memset: Support symbol renaming via config.h.
  
  * lib/ffs.c: Include <config.h>.
  * lib/bcopy.c: Likewise.
  * lib/memset.c: Likewise.
  

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• lib/bcopy.c

• /* bcopy.c -- copy memory.
     Copy LENGTH bytes from SOURCE to DEST.  Does not null-terminate.
     In the public domain.
     By David MacKenzie <djm@gnu.ai.mit.edu>.  */
  
  #include <config.h>
  
  #include <stddef.h>
  
  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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