# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1425261686 -7200
# Node ID f317e34246dba9146093967c92aadb4438e9dd91
# Parent  33c5f2bd0ed32934987df631617e7ad905dd068d
No need to handle literal copy of length zero.

diff -r 33c5f2bd0ed3 -r f317e34246db src/dmzlib.c
--- a/src/dmzlib.c	Mon Mar 02 04:01:05 2015 +0200
+++ b/src/dmzlib.c	Mon Mar 02 04:01:26 2015 +0200
@@ -518,6 +518,8 @@
             nlen, len, len ^ 0xffff);
     }
 
+    if (len > 0)
+    {
     if (ctx->zbuffer + len > ctx->zbufferEnd)
     {
         return dmErrorDBG(DMERR_BOUNDS,
@@ -535,6 +537,7 @@
     memcpy(ctx->zout, ctx->zbuffer, len);
     ctx->zbuffer += len;
     ctx->zout    += len;
+    }
 
     return DMERR_OK;
 }