X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fswfc.c;h=2db2d108fa3b051dc9108315a0ac088213bb23d5;hb=f9b025bc6ebfa93d38ea20ef69e0e65d7f2f257b;hp=a8cbdfcaf3dac7f91f825c1d48916ec5127d0978;hpb=91d738fe108905d2103f735f564e123d78d07b29;p=swftools.git

diff --git a/src/swfc.c b/src/swfc.c
index a8cbdfc..2db2d10 100644
--- a/src/swfc.c
+++ b/src/swfc.c
@@ -766,6 +766,10 @@ void s_buttonaction(int flags, char*action)
     if(flags==0) {
 	return;
     }
+    if(!stackpos || !stack[stackpos-1].tag ||
+            stack[stackpos-1].tag->id != ST_DEFINEBUTTON2) {
+        syntaxerror("Need to be inside a button for .on_* commands");
+    }
     setbuttonrecords(stack[stackpos-1].tag);
 
     a = swf_ActionCompile(text, stack[0].swf->fileVersion);
@@ -919,7 +923,7 @@ static void writeInstance(instance_t* i)
     while (frame < currentframe)
     {
         frame++;
-        while (tag->id != ST_SHOWFRAME)
+        while (tag && tag->id != ST_SHOWFRAME)
             tag = tag->next;
         if (parametersChange(i->history, frame))
         {
@@ -2537,7 +2541,6 @@ static double parseExpression(char*s)
 int parseTwip(char*str)
 {
     int v = (int)(parseExpression(str)*20);
-    printf("%s = %.2f\n", str, v/20.0);
     return v;
 }