version 1.1.1.1.2.2, 2011/05/09 14:35:56
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version 1.3.2.1, 2012/11/13 10:30:44
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 48 SUCH DAMAGE.
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Line 48 SUCH DAMAGE.
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#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 56 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 |
Line 86 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 94 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 102 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; |
} |
} |
Line 113 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; |
} |
} |
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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 121 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 135 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) |
Line 154 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; |
Line 162 int sync_Inflate(int inf, int outf)
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Line 178 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; |