/*
* puff.c
- * Copyright (C) 2002-2010 Mark Adler
+ * Copyright (C) 2002-2013 Mark Adler
* For conditions of distribution and use, see copyright notice in puff.h
- * version 2.2, 25 Apr 2010
+ * version 2.3, 21 Jan 2013
*
* puff.c is a simple inflate written to be an unambiguous way to specify the
* deflate format. It is not written for speed but rather simplicity. As a
* - Move NIL to puff.h
* - Allow incomplete code only if single code length is 1
* - Add full code coverage test to Makefile
+ * 2.3 21 Jan 2013 - Check for invalid code length codes in dynamic blocks
*/
#include <setjmp.h> /* for setjmp(), longjmp(), and jmp_buf */
int len; /* last length to repeat */
symbol = decode(s, &lencode);
+ if (symbol < 0)
+ return symbol; /* invalid symbol */
if (symbol < 16) /* length in 0..15 */
lengths[index++] = symbol;
else { /* repeat instruction */
/* puff.h
- Copyright (C) 2002-2010 Mark Adler, all rights reserved
- version 2.2, 25 Apr 2010
+ Copyright (C) 2002-2013 Mark Adler, all rights reserved
+ version 2.3, 21 Jan 2013
This software is provided 'as-is', without any express or implied
warranty. In no event will the author be held liable for any damages
/*
* pufftest.c
- * Copyright (C) 2002-2010 Mark Adler
+ * Copyright (C) 2002-2013 Mark Adler
* For conditions of distribution and use, see copyright notice in puff.h
- * version 2.2, 25 Apr 2010
+ * version 2.3, 21 Jan 2013
*/
/* Example of how to use puff().