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Diffstat (limited to 'libjava/java/util/zip/natDeflater.cc')
| -rw-r--r-- | libjava/java/util/zip/natDeflater.cc | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/libjava/java/util/zip/natDeflater.cc b/libjava/java/util/zip/natDeflater.cc deleted file mode 100644 index 9ff1721..0000000 --- a/libjava/java/util/zip/natDeflater.cc +++ /dev/null @@ -1,216 +0,0 @@ -// natDeflater.cc - Implementation of Deflater native methods. - -/* Copyright (C) 1999, 2002, 2006 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -// Written by Tom Tromey <tromey@cygnus.com> - -#include <config.h> - -#include <zlib.h> -#include <stdlib.h> - -#include <gcj/cni.h> -#include <jvm.h> - -#include <java/util/zip/Deflater.h> -#include <java/util/zip/DataFormatException.h> - -#include <java/lang/InternalError.h> -#include <java/lang/NullPointerException.h> -#include <java/lang/ArrayIndexOutOfBoundsException.h> - -extern void *_Jv_ZMalloc (void *, uInt nitems, uInt size); -extern void _Jv_ZFree (void *, void *addr); - - - -jint -java::util::zip::Deflater::deflate (jbyteArray buf, jint off, jint len) -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - - if (! buf) - throw new java::lang::NullPointerException; - if (off < 0 || len < 0 || off + len > buf->length) - throw new java::lang::ArrayIndexOutOfBoundsException; - - if (len == 0) - return 0; - - s->next_out = (Bytef *) (elements (buf) + off); - s->avail_out = len; - - switch (::deflate (s, flush_flag)) - { - case Z_STREAM_END: - is_finished = true; - if (s->avail_out == (unsigned int) len) - return -1; - break; - - case Z_STREAM_ERROR: - case Z_BUF_ERROR: - // FIXME? - throw new java::lang::InternalError; - break; - - case Z_OK: - break; - } - - return len - s->avail_out; -} - -void -java::util::zip::Deflater::end () -{ - JvSynchronize sync (this); - // Just ignore errors. - deflateEnd ((z_streamp) zstream); - _Jv_Free (zstream); - zstream = NULL; -} - -void -java::util::zip::Deflater::finish () -{ - JvSynchronize sync (this); - flush_flag = Z_FINISH; -} - -jint -java::util::zip::Deflater::getAdler () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - return s->adler; -} - -jlong -java::util::zip::Deflater::getBytesRead () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - return s->total_in; -} - -jlong -java::util::zip::Deflater::getBytesWritten () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - return s->total_out; -} - -jboolean -java::util::zip::Deflater::needsInput () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - return s->avail_in == 0; -} - -void -java::util::zip::Deflater::reset () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - // Just ignore errors. - deflateReset (s); - s->avail_in = 0; - flush_flag = 0; - is_finished = false; -} - -void -java::util::zip::Deflater::setDictionary (jbyteArray buf, jint off, jint len) -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - - if (! buf) - throw new java::lang::NullPointerException; - if (off < 0 || len < 0 || off + len > buf->length) - throw new java::lang::ArrayIndexOutOfBoundsException; - - // Ignore errors. - deflateSetDictionary (s, (Bytef *) (elements (buf) + off), len); -} - -void -java::util::zip::Deflater::setInput (jbyteArray buf, jint off, jint len) -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - - if (! buf) - throw new java::lang::NullPointerException; - if (off < 0 || len < 0 || off + len > buf->length) - throw new java::lang::ArrayIndexOutOfBoundsException; - - s->next_in = (Bytef *) (elements (buf) + off); - s->avail_in = len; -} - -void -java::util::zip::Deflater::update () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - - int strat = Z_DEFAULT_STRATEGY; - switch (strategy) - { - case DEFAULT_STRATEGY: - strat = Z_DEFAULT_STRATEGY; - break; - case FILTERED: - strat = Z_FILTERED; - break; - case HUFFMAN_ONLY: - strat = Z_HUFFMAN_ONLY; - break; - default: - JvFail ("unexpected strategy"); - } - - // Ignore errors. - deflateParams (s, level, strat); -} - -void -java::util::zip::Deflater::init (jint level, jboolean no_header) -{ - z_stream_s *stream = (z_stream_s *) _Jv_Malloc (sizeof (z_stream_s)); - stream->next_in = Z_NULL; - stream->avail_in = 0; - stream->zalloc = _Jv_ZMalloc; - stream->zfree = _Jv_ZFree; - stream->opaque = NULL; - - // Handle NO_HEADER using undocumented zlib feature. - int wbits = MAX_WBITS; - if (no_header) - wbits = - wbits; - -#define DEFAULT_MEM_LEVEL 8 - if (deflateInit2 (stream, level, Z_DEFLATED, wbits, - DEFAULT_MEM_LEVEL, Z_DEFAULT_STRATEGY) != Z_OK) - { - jstring msg = NULL; - if (stream->msg != NULL) - msg = JvNewStringLatin1 (stream->msg); - throw new java::lang::InternalError (msg); - } - - zstream = reinterpret_cast<gnu::gcj::RawData *> (stream); - is_finished = false; - flush_flag = 0; -} |