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diff --git a/libopenjpeg/bio.c b/libopenjpeg/bio.c
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+/*
+ * Copyright (c) 2001-2002, David Janssens
+ * Copyright (c) 2003, Yannick Verschueren
+ * Copyright (c) 2003,  Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "bio.h"
+#include <stdio.h>
+#include <setjmp.h>
+
+static unsigned char *bio_start, *bio_end, *bio_bp;
+static unsigned int bio_buf;
+static int bio_ct;
+
+extern jmp_buf j2k_error;
+
+/* <summary> */
+/* Number of bytes written. */
+/* </summary> */
+int bio_numbytes()
+{
+	return bio_bp - bio_start;
+}
+
+/* <summary> */
+/* Init encoder. */
+/* </summary> */
+/* <param name="bp">Output buffer</param> */
+/* <param name="len">Output buffer length</param> */
+void bio_init_enc(unsigned char *bp, int len)
+{
+	bio_start = bp;
+	bio_end = bp + len;
+	bio_bp = bp;
+	bio_buf = 0;
+	bio_ct = 8;
+}
+
+/* <summary> */
+/* Init decoder. */
+/* </summary> */
+/* <param name="bp">Input buffer</param> */
+/* <param name="len">Input buffer length</param> */
+void bio_init_dec(unsigned char *bp, int len)
+{
+	bio_start = bp;
+	bio_end = bp + len;
+	bio_bp = bp;
+	bio_buf = 0;
+	bio_ct = 0;
+}
+
+/* <summary> */
+/* Write byte. --> function modified to eliminate longjmp !!! */
+/* </summary> */
+int bio_byteout()
+{
+	bio_buf = (bio_buf << 8) & 0xffff;
+	bio_ct = bio_buf == 0xff00 ? 7 : 8;
+	if (bio_bp >= bio_end)
+		return 1;
+	*bio_bp++ = bio_buf >> 8;
+	return 0;
+}
+
+/* <summary> */
+/* Read byte. --> function modified to eliminate longjmp !!  */
+/* </summary> */
+int bio_bytein()
+{
+	bio_buf = (bio_buf << 8) & 0xffff;
+	bio_ct = bio_buf == 0xff00 ? 7 : 8;
+	if (bio_bp >= bio_end)
+		return 1;
+	bio_buf |= *bio_bp++;
+	return 0;
+}
+
+/* <summary> */
+/* Write bit. */
+/* </summary> */
+/* <param name="b">Bit to write (0 or 1)</param> */
+void bio_putbit(int b)
+{
+	if (bio_ct == 0) {
+		bio_byteout();
+	}
+	bio_ct--;
+	bio_buf |= b << bio_ct;
+}
+
+/* <summary> */
+/* Read bit. */
+/* </summary> */
+int bio_getbit()
+{
+	if (bio_ct == 0) {
+		bio_bytein();
+	}
+	bio_ct--;
+	return (bio_buf >> bio_ct) & 1;
+}
+
+/* <summary> */
+/* Write bits. */
+/* </summary> */
+/* <param name="v">Value of bits</param> */
+/* <param name="n">Number of bits to write</param> */
+void bio_write(int v, int n)
+{
+	int i;
+	for (i = n - 1; i >= 0; i--) {
+		bio_putbit((v >> i) & 1);
+	}
+}
+
+/* <summary> */
+/* Read bits. */
+/* </summary> */
+/* <param name="n">Number of bits to read</param> */
+int bio_read(int n)
+{
+	int i, v;
+	v = 0;
+	for (i = n - 1; i >= 0; i--) {
+		v += bio_getbit() << i;
+	}
+	return v;
+}
+
+/* <summary> */
+/* Flush bits. MOdified to eliminate longjmp !! */
+/* </summary> */
+int bio_flush()
+{
+	bio_ct = 0;
+	if (bio_byteout())
+		return 1;
+	if (bio_ct == 7) {
+		bio_ct = 0;
+
+		if (bio_byteout())
+			return 1;
+	}
+	return 0;
+}
+
+/* <summary> */
+/* </summary> */
+int bio_inalign()
+{
+	bio_ct = 0;
+	if ((bio_buf & 0xff) == 0xff) {
+		if (bio_bytein())
+			return 1;
+		bio_ct = 0;
+	}
+	return 0;
+}