version 1.1.1.1, 2010/03/24 16:00:15
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version 1.5, 2014/02/04 16:58:17
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/************************************************************************* |
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* (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> |
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* by Michael Pounov <misho@openbsd-bg.org> |
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* |
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* $Author$ |
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* $Id$ |
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* |
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************************************************************************** |
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The ELWIX and AITNET software is distributed under the following |
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terms: |
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All of the documentation and software included in the ELWIX and AITNET |
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Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004 - 2014 |
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by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions |
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are met: |
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1. Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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2. Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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3. All advertising materials mentioning features or use of this software |
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must display the following acknowledgement: |
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This product includes software developed by Michael Pounov <misho@elwix.org> |
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ELWIX - Embedded LightWeight unIX and its contributors. |
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4. Neither the name of AITNET nor the names of its contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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SUCH DAMAGE. |
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*/ |
#include "global.h" |
#include "global.h" |
#include "file.h" |
#include "file.h" |
#include "zc.h" |
#include "zc.h" |
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int sync_Deflate(int inf, int outf, int level) | /* |
| * sync_Deflate() - LibZ deflate data |
| * |
| * @inf = Input file |
| * @outf = Output file |
| * @level = Compress level |
| * return: -1 error, != -1 ok |
| */ |
| int |
| sync_Deflate(int inf, int outf, int level) |
{ |
{ |
z_stream z; |
z_stream z; |
int ret, flush, readed; |
int ret, flush, readed; |
Line 11 int sync_Deflate(int inf, int outf, int level)
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Line 65 int sync_Deflate(int inf, int outf, int level)
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lseek(outf, 0l, SEEK_SET); |
lseek(outf, 0l, SEEK_SET); |
if (lseek(inf, 0l, SEEK_SET) == -1) { |
if (lseek(inf, 0l, SEEK_SET) == -1) { |
SETERR; | LOGERR; |
return -1; |
return -1; |
} |
} |
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// init zlib | /* init zlib */ |
memset(&z, 0, sizeof z); |
memset(&z, 0, sizeof z); |
ret = deflateInit(&z, level); |
ret = deflateInit(&z, level); |
if (ret) |
if (ret) |
return ret; |
return ret; |
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do { |
do { |
// set input buffer for compress | /* set input buffer for compress */ |
readed = read(inf, ibuf, Z_CHUNK); |
readed = read(inf, ibuf, Z_CHUNK); |
if (-1 == readed) { |
if (-1 == readed) { |
SETERR; | LOGERR; |
break; |
break; |
} else { |
} else { |
z.avail_in = readed; |
z.avail_in = readed; |
z.next_in = ibuf; |
z.next_in = ibuf; |
} |
} |
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// check flush flag | /* check flush flag */ |
flush = syncEOF(inf) ? Z_FINISH : Z_NO_FLUSH; | flush = sync_EOF(inf) ? Z_FINISH : Z_NO_FLUSH; |
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do { |
do { |
// compress and write to file | /* compress and write to file */ |
z.avail_out = readed; |
z.avail_out = readed; |
z.next_out = obuf; |
z.next_out = obuf; |
ret = deflate(&z, flush); |
ret = deflate(&z, flush); |
if (Z_STREAM_ERROR == ret) { |
if (Z_STREAM_ERROR == ret) { |
syncSetErr(ENOEXEC, "Error:: can`t deflate !!!\n"); | sync_SetErr(ENOEXEC, "Error:: can`t deflate !!!\n"); |
flush = Z_FINISH; |
flush = Z_FINISH; |
ret = -1; |
ret = -1; |
break; |
break; |
Line 49 int sync_Deflate(int inf, int outf, int level)
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Line 103 int sync_Deflate(int inf, int outf, int level)
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ret = write(outf, obuf, readed - z.avail_out); |
ret = write(outf, obuf, readed - z.avail_out); |
if (-1 == ret || ret != readed - z.avail_out) { |
if (-1 == ret || ret != readed - z.avail_out) { |
SETERR; | LOGERR; |
flush = Z_FINISH; |
flush = Z_FINISH; |
ret = -1; |
ret = -1; |
break; |
break; |
Line 57 int sync_Deflate(int inf, int outf, int level)
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Line 111 int sync_Deflate(int inf, int outf, int level)
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} while (!z.avail_out); |
} while (!z.avail_out); |
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if (z.avail_in) { |
if (z.avail_in) { |
syncSetErr(ENOEXEC, "Error:: can`t get all input for deflate !!!\n"); | sync_SetErr(ENOEXEC, "Error:: can`t get all input for deflate !!!\n"); |
ret = -1; |
ret = -1; |
break; |
break; |
} |
} |
} while (flush != Z_FINISH); |
} while (flush != Z_FINISH); |
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// free zlib | /* free zlib */ |
deflateEnd(&z); |
deflateEnd(&z); |
return ret; |
return ret; |
} |
} |
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int sync_Inflate(int inf, int outf) | /* |
| * sync_Inflate() - LibZ inflate data |
| * |
| * @inf = Input file |
| * @outf = Output file |
| * return: -1 error, != -1 ok |
| */ |
| int |
| sync_Inflate(int inf, int outf) |
{ |
{ |
z_stream z; |
z_stream z; |
int ret, flush; |
int ret, flush; |
Line 76 int sync_Inflate(int inf, int outf)
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Line 138 int sync_Inflate(int inf, int outf)
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lseek(outf, 0l, SEEK_SET); |
lseek(outf, 0l, SEEK_SET); |
if (lseek(inf, 0l, SEEK_SET) == -1) { |
if (lseek(inf, 0l, SEEK_SET) == -1) { |
SETERR; | LOGERR; |
return -1; |
return -1; |
} |
} |
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// init zlib | /* init zlib */ |
memset(&z, 0, sizeof z); |
memset(&z, 0, sizeof z); |
ret = inflateInit(&z); |
ret = inflateInit(&z); |
if (ret) |
if (ret) |
return ret; |
return ret; |
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do { |
do { |
// set input buffer for decompress | /* set input buffer for decompress */ |
ret = read(inf, ibuf, Z_CHUNK); |
ret = read(inf, ibuf, Z_CHUNK); |
if (-1 == ret) { |
if (-1 == ret) { |
SETERR; | LOGERR; |
break; |
break; |
} |
} |
if (!ret) |
if (!ret) |
Line 101 int sync_Inflate(int inf, int outf)
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Line 163 int sync_Inflate(int inf, int outf)
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flush = Z_NO_FLUSH; |
flush = Z_NO_FLUSH; |
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do { |
do { |
// decompress and write to file | /* decompress and write to file */ |
z.avail_out = Z_CHUNK; |
z.avail_out = Z_CHUNK; |
z.next_out = obuf; |
z.next_out = obuf; |
ret = inflate(&z, flush); |
ret = inflate(&z, flush); |
Line 109 int sync_Inflate(int inf, int outf)
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Line 171 int sync_Inflate(int inf, int outf)
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case Z_NEED_DICT: |
case Z_NEED_DICT: |
case Z_DATA_ERROR: |
case Z_DATA_ERROR: |
case Z_MEM_ERROR: |
case Z_MEM_ERROR: |
syncSetErr(ENOEXEC, "Error:: can`t inflate !!!\n"); | sync_SetErr(ENOEXEC, "Error:: can`t inflate !!!\n"); |
flush = Z_STREAM_END; |
flush = Z_STREAM_END; |
ret = -1; |
ret = -1; |
break; |
break; |
Line 117 int sync_Inflate(int inf, int outf)
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Line 179 int sync_Inflate(int inf, int outf)
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ret = write(outf, obuf, Z_CHUNK - z.avail_out); |
ret = write(outf, obuf, Z_CHUNK - z.avail_out); |
if (-1 == ret || ret != Z_CHUNK - z.avail_out) { |
if (-1 == ret || ret != Z_CHUNK - z.avail_out) { |
SETERR; | LOGERR; |
flush = Z_STREAM_END; |
flush = Z_STREAM_END; |
ret = -1; |
ret = -1; |
break; |
break; |
Line 125 int sync_Inflate(int inf, int outf)
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Line 187 int sync_Inflate(int inf, int outf)
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} while (!z.avail_out); |
} while (!z.avail_out); |
} while (flush != Z_STREAM_END); |
} while (flush != Z_STREAM_END); |
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// free zlib | /* free zlib */ |
inflateEnd(&z); |
inflateEnd(&z); |
return ret; |
return ret; |
} |
} |