src/java.desktop/share/classes/sun/awt/image/PNGImageDecoder.java

*** 87,97 ****
          properties.put(key,value);
      }
      private void property(String key,float value) {
          property(key, Float.valueOf(value));
      }
!     private final void pngassert(boolean b) throws IOException {
          if(!b) {
              PNGException e = new PNGException("Broken file");
              e.printStackTrace();
              throw e;
          }
--- 87,97 ----
          properties.put(key,value);
      }
      private void property(String key,float value) {
          property(key, Float.valueOf(value));
      }
!     private void pngassert(boolean b) throws IOException {
          if(!b) {
              PNGException e = new PNGException("Broken file");
              e.printStackTrace();
              throw e;
          }
*** 690,713 ****
          pos = 0;
          inbuf = nin;
          fill();
          return limit-pos>=n;
      }
!     private final int getInt(int pos) {
          return ((inbuf[pos  ]&0xFF)<<24)
               | ((inbuf[pos+1]&0xFF)<<16)
               | ((inbuf[pos+2]&0xFF)<< 8)
               | ((inbuf[pos+3]&0xFF)    );
      }
!     private final int getShort(int pos) {
          return (short)(((inbuf[pos  ]&0xFF)<<8)
                       | ((inbuf[pos+1]&0xFF)   ));
      }
!     private final int getByte(int pos) {
          return inbuf[pos]&0xFF;
      }
!     private final boolean getChunk() throws IOException {
          chunkLength = 0;
          if (!need(8)) return false;
          chunkLength = getInt(pos);
          chunkKey = getInt(pos+4);
          if(chunkLength<0) throw new PNGException("bogus length: "+chunkLength);
--- 690,713 ----
          pos = 0;
          inbuf = nin;
          fill();
          return limit-pos>=n;
      }
!     private int getInt(int pos) {
          return ((inbuf[pos  ]&0xFF)<<24)
               | ((inbuf[pos+1]&0xFF)<<16)
               | ((inbuf[pos+2]&0xFF)<< 8)
               | ((inbuf[pos+3]&0xFF)    );
      }
!     private int getShort(int pos) {
          return (short)(((inbuf[pos  ]&0xFF)<<8)
                       | ((inbuf[pos+1]&0xFF)   ));
      }
!     private int getByte(int pos) {
          return inbuf[pos]&0xFF;
      }
!     private boolean getChunk() throws IOException {
          chunkLength = 0;
          if (!need(8)) return false;
          chunkLength = getInt(pos);
          chunkKey = getInt(pos+4);
          if(chunkLength<0) throw new PNGException("bogus length: "+chunkLength);