From b6d455a02bd338e9dc0faa09d4d8177ecd8d569a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Sun, 10 Apr 2016 15:53:05 +0200
Subject: NOISSUE reorganize and document libraries

---
 libraries/pack200/src/zip.h | 110 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 libraries/pack200/src/zip.h

(limited to 'libraries/pack200/src/zip.h')

diff --git a/libraries/pack200/src/zip.h b/libraries/pack200/src/zip.h
new file mode 100644
index 00000000..67ec24da
--- /dev/null
+++ b/libraries/pack200/src/zip.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+#include <stdint.h>
+typedef unsigned short ushort;
+typedef unsigned int uint32_t;
+typedef unsigned char uchar;
+
+struct unpacker;
+
+struct jar
+{
+	// JAR file writer
+	FILE *jarfp;
+	int default_modtime;
+
+	// Used by unix2dostime:
+	int modtime_cache;
+	uint32_t dostime_cache;
+
+	// Private members
+	fillbytes central_directory;
+	ushort central_directory_count;
+	uint32_t output_file_offset;
+	fillbytes deflated; // temporary buffer
+
+	// pointer to outer unpacker, for error checks etc.
+	unpacker *u;
+
+	// Public Methods
+	void openJarFile(const char *fname);
+	void addJarEntry(const char *fname, bool deflate_hint, int modtime, bytes &head,
+					 bytes &tail);
+	void addDirectoryToJarFile(const char *dir_name);
+	void closeJarFile(bool central);
+
+	void init(unpacker *u_);
+
+	void free()
+	{
+		central_directory.free();
+		deflated.free();
+	}
+
+	void reset()
+	{
+		free();
+		init(u);
+	}
+
+	// Private Methods
+	void write_data(void *ptr, int len);
+	void write_data(bytes &b)
+	{
+		write_data(b.ptr, (int)b.len);
+	}
+	void add_to_jar_directory(const char *fname, bool store, int modtime, int len, int clen,
+							  uint32_t crc);
+	void write_jar_header(const char *fname, bool store, int modtime, int len, int clen,
+						  unsigned int crc);
+	void write_central_directory();
+	uint32_t dostime(int y, int n, int d, int h, int m, int s);
+	uint32_t get_dostime(int modtime);
+
+	// The definitions of these depend on the NO_ZLIB option:
+	bool deflate_bytes(bytes &head, bytes &tail);
+	static uint32_t get_crc32(uint32_t c, unsigned char *ptr, uint32_t len);
+};
+
+struct gunzip
+{
+	// optional gzip input stream control block
+
+	// pointer to outer unpacker, for error checks etc.
+	unpacker *u;
+
+	void *read_input_fn; // underlying \bchar\b stream
+	void *zstream;	   // inflater state
+	char inbuf[1 << 14]; // input buffer
+
+	void init(unpacker *u_); // pushes new value on u->read_input_fn
+
+	void free();
+
+	void start(int magic);
+
+	// private stuff
+	void read_fixed_field(char *buf, size_t buflen);
+};
-- 
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