X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fswfrender.c;h=0dcee51e7eea6bdde036a0ec9dd2ea10cda3bd21;hb=fc815311aa1bd67877b404493838dfd85a86f596;hp=bace6aa1ff4c9a36dfe0f9f068660a4685fc329f;hpb=9ec1f2a6264618989defdbf65f72d6d1b4d43635;p=swftools.git

diff --git a/src/swfrender.c b/src/swfrender.c
index bace6aa..0dcee51 100644
--- a/src/swfrender.c
+++ b/src/swfrender.c
@@ -128,13 +128,14 @@ int main(int argn, char*argv[])
 	fi = open(filename, O_RDONLY|O_BINARY);
 	if (fi<=0) { 
 	    fprintf(stderr,"Couldn't open %s\n", filename);
-	    perror(argv[1]);
+	    perror(filename);
 	    exit(1);
 	}
 	if(swf_ReadSWF(fi,&swf)<0) { 
 	    fprintf(stderr,"%s is not a valid SWF file or contains errors.\n",argv[1]);
 	    close(fi);
 	}
+	assert(swf.movieSize.xmax > swf.movieSize.xmin && swf.movieSize.ymax > swf.movieSize.ymin);
 	RENDERBUF buf;
 	swf_Render_Init(&buf, 0,0, (swf.movieSize.xmax - swf.movieSize.xmin) / 20,
 				   (swf.movieSize.ymax - swf.movieSize.ymin) / 20, 2, 1);