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version 1.1.1.1, 2010/03/24 16:00:15
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version 1.3.2.1, 2012/11/13 10:30:44
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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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|
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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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|
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
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by Michael Pounov <misho@elwix.org>. All rights reserved. |
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|
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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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|
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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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|
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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; |
| } |
} |
| |
|
| // 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; |
| |
|
| 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; |
| } |
} |
| |
|
| // check flush flag | /* check flush flag */ |
| flush = syncEOF(inf) ? Z_FINISH : Z_NO_FLUSH; | flush = sync_EOF(inf) ? Z_FINISH : Z_NO_FLUSH; |
| |
|
| do { |
do { |
| // compress and write to file |
// compress and write to file |
|
Line 41 int sync_Deflate(int inf, int outf, int level)
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Line 95 int sync_Deflate(int inf, int outf, int level)
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| 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); |
| |
|
| 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; |
| } |
} |
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Line 68 int sync_Deflate(int inf, int outf, int level)
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Line 122 int sync_Deflate(int inf, int outf, int level)
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| return ret; |
return ret; |
| } |
} |
| |
|
| 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 137 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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Line 90 int sync_Inflate(int inf, int outf)
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Line 151 int sync_Inflate(int inf, int outf)
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| // 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) |
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Line 109 int sync_Inflate(int inf, int outf)
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Line 170 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; |
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Line 117 int sync_Inflate(int inf, int outf)
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Line 178 int sync_Inflate(int inf, int outf)
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| |
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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; |