Return to memmove.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / libiconv / srclib

libiconv v1.14

    1: /* memmove.c -- copy memory.
    2:    Copy LENGTH bytes from SOURCE to DEST.  Does not null-terminate.
    3:    In the public domain.
    4:    By David MacKenzie <djm@gnu.ai.mit.edu>.  */
    5: 
    6: #include <config.h>
    7: 
    8: #include <stddef.h>
    9: 
   10: void *
   11: memmove (void *dest0, void const *source0, size_t length)
   12: {
   13:   char *dest = dest0;
   14:   char const *source = source0;
   15:   if (source < dest)
   16:     /* Moving from low mem to hi mem; start at end.  */
   17:     for (source += length, dest += length; length; --length)
   18:       *--dest = *--source;
   19:   else if (source != dest)
   20:     {
   21:       /* Moving from hi mem to low mem; start at beginning.  */
   22:       for (; length; --length)
   23:         *dest++ = *source++;
   24:     }
   25:   return dest0;
   26: }