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Diffstat (limited to 'libjava/java/util/zip/natInflater.cc')
| -rw-r--r-- | libjava/java/util/zip/natInflater.cc | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/libjava/java/util/zip/natInflater.cc b/libjava/java/util/zip/natInflater.cc deleted file mode 100644 index 312027a2d8c..00000000000 --- a/libjava/java/util/zip/natInflater.cc +++ /dev/null @@ -1,205 +0,0 @@ -// natInflater.cc - Implementation of Inflater native methods. - -/* Copyright (C) 1999 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/Inflater.h> -#include <java/util/zip/DataFormatException.h> - -#include <java/lang/InternalError.h> -#include <java/lang/NullPointerException.h> -#include <java/lang/ArrayIndexOutOfBoundsException.h> -#include <java/lang/OutOfMemoryError.h> - - - -// A couple of helper functions used to interface with zlib's -// allocation. - -void * -_Jv_ZMalloc (void *, uInt nitems, uInt size) -{ - return _Jv_Malloc (nitems * size); -} - -void -_Jv_ZFree (void *, void *addr) -{ - _Jv_Free (addr); -} - - - -void -java::util::zip::Inflater::end () -{ - JvSynchronize sync (this); - // Just ignore errors. - inflateEnd ((z_streamp) zstream); - _Jv_Free (zstream); - zstream = NULL; -} - -jint -java::util::zip::Inflater::getAdler () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - return s->adler; -} - -jint -java::util::zip::Inflater::getRemaining () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - return s->avail_in; -} - -jint -java::util::zip::Inflater::getTotalIn () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - return s->total_in; -} - -jint -java::util::zip::Inflater::getTotalOut () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - return s->total_out; -} - -jint -java::util::zip::Inflater::inflate (jbyteArray buf, jint off, jint len) -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - - if (! buf) - _Jv_Throw (new java::lang::NullPointerException); - if (off < 0 || len < 0 || off + len > buf->length) - _Jv_Throw (new java::lang::ArrayIndexOutOfBoundsException); - - if (len == 0) - return 0; - - s->next_out = (Bytef *) (elements (buf) + off); - s->avail_out = len; - - switch (::inflate (s, Z_SYNC_FLUSH)) - { - case Z_STREAM_END: - is_finished = true; - if (s->avail_out == (unsigned int) len) - return -1; - break; - - case Z_NEED_DICT: - dict_needed = true; - break; - - case Z_DATA_ERROR: - _Jv_Throw (new java::util::zip::DataFormatException); - break; - - case Z_MEM_ERROR: - _Jv_Throw (new java::lang::OutOfMemoryError); - break; - - case Z_BUF_ERROR: - // FIXME? - _Jv_Throw (new java::lang::InternalError); - break; - - case Z_OK: - break; - } - - return len - s->avail_out; -} - -void -java::util::zip::Inflater::reset () -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - // Just ignore errors. - inflateReset (s); -} - -void -java::util::zip::Inflater::setDictionary (jbyteArray buf, jint off, jint len) -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - - if (! buf) - _Jv_Throw (new java::lang::NullPointerException); - if (off < 0 || len < 0 || off + len > buf->length) - _Jv_Throw (new java::lang::ArrayIndexOutOfBoundsException); - - // Ignore errors. - inflateSetDictionary (s, (Bytef *) (elements (buf) + off), len); - dict_needed = false; -} - -void -java::util::zip::Inflater::setInput (jbyteArray buf, jint off, jint len) -{ - JvSynchronize sync (this); - z_streamp s = (z_streamp) zstream; - - if (! buf) - _Jv_Throw (new java::lang::NullPointerException); - if (off < 0 || len < 0 || off + len > buf->length) - _Jv_Throw (new java::lang::ArrayIndexOutOfBoundsException); - - s->next_in = (Bytef *) (elements (buf) + off); - s->avail_in = len; -} - -void -java::util::zip::Inflater::init (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; - - if (inflateInit2 (stream, wbits) != Z_OK) - { - jstring msg = NULL; - if (stream->msg != NULL) - msg = JvNewStringLatin1 (stream->msg); - _Jv_Throw (new java::lang::InternalError (msg)); - } - - zstream = reinterpret_cast<gnu::gcj::RawData *> (stream); - is_finished = false; - dict_needed = false; -} |