/*
* Copyright (c) 2001, 2014, 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.
*/
#define ushort unsigned short
#define uint unsigned int
#define uchar unsigned char
struct unpacker;
struct jar {
// JAR file writer
FILE* jarfp;
int default_modtime;
// Used by unix2dostime:
int modtime_cache;
uLong dostime_cache;
// Private members
fillbytes central_directory;
uint central_directory_count;
uint 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, size_t len);
void write_data(bytes& b) { write_data(b.ptr, b.len); }
void add_to_jar_directory(const char* fname, bool store, int modtime,
int len, int clen, uLong crc);
void write_jar_header(const char* fname, bool store, int modtime,
int len, int clen, unsigned int crc);
void write_jar_extra(int len, int clen, unsigned int crc);
void write_central_directory();
uLong dostime(int y, int n, int d, int h, int m, int s);
uLong get_dostime(int modtime);
// The definitions of these depend on the NO_ZLIB option:
bool deflate_bytes(bytes& head, bytes& tail);
static uint get_crc32(uint c, unsigned char *ptr, uint len);
// error handling
void abort(const char* msg) { unpack_abort(msg, u); }
bool aborting() { return unpack_aborting(u); }
};
struct gunzip {
// optional gzip input stream control block
// pointer to outer unpacker, for error checks etc.
unpacker* u;
void* read_input_fn; // underlying byte 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);
// error handling
void abort(const char* msg) { unpack_abort(msg, u); }
bool aborting() { return unpack_aborting(u); }
};