X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Frfxswf.c;h=4a409ac5424b8d8ed3cbd77ce28cb3e92e794ede;hb=ff1365c9402d6384c6b21adf8fef24e8d9b8d593;hp=e6f30c15c1fb188e8cc311a0836631734ba82276;hpb=75e8a98f513e75e2a09dc3e96edc5111af9c1abf;p=swftools.git

diff --git a/lib/rfxswf.c b/lib/rfxswf.c
index e6f30c1..4a409ac 100644
--- a/lib/rfxswf.c
+++ b/lib/rfxswf.c
@@ -1229,7 +1229,10 @@ void swf_OptimizeTagOrder(SWF*swf)
 	  tag->next = level0;
 	  tag->prev = level0->prev;
 	  level0->prev = tag;
-	  tag->prev->next = tag;
+          if(tag->prev)
+	    tag->prev->next = tag;
+          else
+            swf->firstTag = tag;
 	  changes = 1;
 	}
       }
@@ -1311,9 +1314,11 @@ int  swf_WriteSWF2(struct writer_t*writer, SWF * swf)     // Writes SWF to file,
 
 #ifdef INSERT_RFX_TAG
 
-  if (swf->firstTag && swf_NextTag(swf->firstTag))
-    if (swf_GetTagID(swf_NextTag(swf->firstTag))!=ST_REFLEX)
+  if (swf->firstTag && swf->firstTag->next &&
+      (swf->firstTag->id != ST_REFLEX || swf->firstTag->next->id != ST_REFLEX)
+     ) {
       swf_SetBlock(swf_InsertTagBefore(swf, swf->firstTag,ST_REFLEX),"rfx",3);
+  }
 
 #endif // INSERT_RFX_TAG
 
@@ -1488,6 +1493,22 @@ int swf_WriteCGI(SWF * swf)
   return swf_WriteSWF(fileno(stdout),swf);
 }
 
+SWF* swf_CopySWF(SWF*swf)
+{
+    SWF*nswf = rfx_alloc(sizeof(SWF));
+    memcpy(nswf, swf, sizeof(SWF));
+    nswf->firstTag = 0;
+    TAG*tag = swf->firstTag;
+    TAG*ntag = 0;
+    while(tag) {
+        ntag = swf_CopyTag(ntag, tag);
+        if(!nswf->firstTag)
+            nswf->firstTag = ntag;
+        tag = tag->next;
+    }
+    return nswf;
+}
+
 void swf_FreeTags(SWF * swf)                 // Frees all malloc'ed memory for tags
 { TAG * t = swf->firstTag;