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version 1.1.1.1.2.2, 2011/05/09 14:35:56
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version 1.4, 2012/11/13 14:19:39
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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. |
| |
|
| Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
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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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| |
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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; |
| } |
} |
| |
|
| // 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 */ |
| 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; |
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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; |
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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); |
| |
|
| 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); |
| |
|
| // free zlib | /* free zlib */ |
| deflateEnd(&z); |
deflateEnd(&z); |
| 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 121 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; |
| } |
} |
| |
|
| // 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; |
| |
|
| 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) |
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Line 146 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; |
| |
|
| 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); |
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Line 154 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; |
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Line 162 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; |
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Line 170 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); |
| |
|
| // free zlib | /* free zlib */ |
| inflateEnd(&z); |
inflateEnd(&z); |
| return ret; |
return ret; |
| } |
} |