Doc fix.

[gnulib.git] / lib / memmove.c

diff --git a/lib/memmove.c b/lib/memmove.c
index a5bf766..753c899 100644 (file)
--- a/lib/memmove.c
+++ b/lib/memmove.c
@@ -7,12 +7,13 @@
 # include <config.h>
 #endif
 
+#include <stddef.h>
+
 void *
-memmove (dest, source, length)
-     char *dest;
-     const char *source;
-     unsigned length;
+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)
@@ -22,7 +23,6 @@ memmove (dest, source, length)
       /* Moving from hi mem to low mem; start at beginning.  */
       for (; length; --length)
        *dest++ = *source++;
-      --dest;
     }
-  return (void *) dest;
+  return dest0;
 }