/* $NetBSD: memmove.c,v 1.1.1.1 2016/01/14 00:11:29 christos Exp $ */ /* memmove.c -- copy memory. Copy LENGTH bytes from SOURCE to DEST. Does not null-terminate. In the public domain. By David MacKenzie . */ #if HAVE_CONFIG_H # include #endif #include void * memmove (void *dest0, void const *source0, size_t length) { char *dest = dest0; char const *source = source0; 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++; } return dest0; }