# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1589305752 -10800
# Node ID 470631c00c9797ef8ed9b93a75b09562fe286e30
# Parent  106f4426c7298d199ea55bafc960d447175f186d
Implement optionality of loading address in dmC64EncodeBMP() as well.

diff -r 106f4426c729 -r 470631c00c97 tools/lib64gfx.c
--- a/tools/lib64gfx.c	Tue May 12 20:31:23 2020 +0300
+++ b/tools/lib64gfx.c	Tue May 12 20:49:12 2020 +0300
@@ -1631,9 +1631,13 @@
     if ((res = dmGrowBufAlloc(buf, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
         goto out;
 
-    // Add the loading address
-    if (!dmGrowBufPutU16LE(buf, fmt->addr))
+    // Add the loading address, if needed
+    if (fmt->addr >= 0 &&
+        !dmGrowBufPutU16LE(buf, fmt->addr))
+    {
+        res = DMERR_MALLOC;
         goto out;
+    }
 
     // Attempt to encode the image to a buffer
     if (fmt->encode != NULL)