X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Frfxswf.c;h=e3f174ff149d8a86b1cc80a6c41fd89621c10c8d;hb=b3bf5bf6cdf7d80df45de711b079ce3544acd39f;hp=f40d71989e604fae1b2e305c16465e4b9d46dfa3;hpb=b3ae7bccfb9f4ed16e26631fee072fa011f9847e;p=swftools.git

diff --git a/lib/rfxswf.c b/lib/rfxswf.c
index f40d719..e3f174f 100644
--- a/lib/rfxswf.c
+++ b/lib/rfxswf.c
@@ -52,8 +52,8 @@ TAG * swf_NextTag(TAG * t) { return t->next; }
 TAG * swf_PrevTag(TAG * t) { return t->prev; }
 int   swf_GetFrameNo(TAG * t)  { return t->frame; }
 U16   swf_GetTagID(TAG * t)    { return t->id; }
-U32   swf_GetDataSize(TAG * t) { return t->len; }
-U8*   swf_GetDataSizePtr(TAG * t) { return &(t->data[t->len]); }
+U32   swf_GetTagLen(TAG * t) { return t->len; }
+U8*   swf_GetTagLenPtr(TAG * t) { return &(t->data[t->len]); }
 U32   swf_GetTagPos(TAG * t)   { return t->pos; }
 
 // Basic Data Access Functions
@@ -354,6 +354,10 @@ int swf_SetMatrix(TAG * t,MATRIX * m)
   { swf_SetBits(t,1,1);
     nbits = swf_CountBits(m->sx,0);
     nbits = swf_CountBits(m->sy,nbits);
+    if(nbits>=32) {
+	fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+	nbits = 31;
+    }
     swf_SetBits(t,nbits,5);
     swf_SetBits(t,m->sx,nbits);
     swf_SetBits(t,m->sy,nbits);
@@ -364,6 +368,10 @@ int swf_SetMatrix(TAG * t,MATRIX * m)
   { swf_SetBits(t,1,1);
     nbits = swf_CountBits(m->r0,0);
     nbits = swf_CountBits(m->r1,nbits);
+    if(nbits>=32) {
+	fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+	nbits = 31;
+    }
     swf_SetBits(t,nbits,5);
     swf_SetBits(t,m->r0,nbits);
     swf_SetBits(t,m->r1,nbits);
@@ -371,6 +379,10 @@ int swf_SetMatrix(TAG * t,MATRIX * m)
 
   nbits = swf_CountBits(m->tx,0);
   nbits = swf_CountBits(m->ty,nbits);
+  if(nbits>=32) {
+      fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+      nbits = 31;
+  }
   swf_SetBits(t,nbits,5);
   swf_SetBits(t,m->tx,nbits);
   swf_SetBits(t,m->ty,nbits);
@@ -734,7 +746,7 @@ int  swf_WriteSWF(int handle,SWF * swf)     // Writes SWF to file, returns lengt
     swf_SetU16(&t1,swf->frameRate);
     swf_SetU16(&t1,swf->frameCount);
 
-    l = swf_GetDataSize(&t1);
+    l = swf_GetTagLen(&t1);
     swf->fileSize = l+len;
     t1.len = 4;                         // bad & ugly trick !
     swf_SetU32(&t1,swf->fileSize);