version 1.3, 2012/07/22 22:09:47
|
version 1.5, 2014/02/04 16:58:17
|
Line 12 terms:
|
Line 12 terms:
|
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> |
|
|
Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 | Copyright 2004 - 2014 |
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 |
Line 49 SUCH DAMAGE.
|
Line 49 SUCH DAMAGE.
|
|
|
|
|
/* |
/* |
* sync_Deflate() LibZ deflate data | * sync_Deflate() - LibZ deflate data |
| * |
* @inf = Input file |
* @inf = Input file |
* @outf = Output file |
* @outf = Output file |
* @level = Compress level |
* @level = Compress level |
Line 64 sync_Deflate(int inf, int outf, int level)
|
Line 65 sync_Deflate(int inf, int outf, int level)
|
|
|
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; |
Line 102 sync_Deflate(int inf, int outf, int level)
|
Line 103 sync_Deflate(int inf, int outf, int level)
|
|
|
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 110 sync_Deflate(int inf, int outf, int level)
|
Line 111 sync_Deflate(int inf, int outf, int level)
|
} 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; |
} |
} |
|
|
/* |
/* |
* sync_Inflate() LibZ inflate data | * sync_Inflate() - LibZ inflate data |
| * |
* @inf = Input file |
* @inf = Input file |
* @outf = Output file |
* @outf = Output file |
* return: -1 error, != -1 ok |
* return: -1 error, != -1 ok |
Line 136 sync_Inflate(int inf, int outf)
|
Line 138 sync_Inflate(int inf, int outf)
|
|
|
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) |
Line 161 sync_Inflate(int inf, int outf)
|
Line 163 sync_Inflate(int inf, int outf)
|
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); |
Line 169 sync_Inflate(int inf, int outf)
|
Line 171 sync_Inflate(int inf, int outf)
|
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 177 sync_Inflate(int inf, int outf)
|
Line 179 sync_Inflate(int inf, int outf)
|
|
|
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 185 sync_Inflate(int inf, int outf)
|
Line 187 sync_Inflate(int inf, int outf)
|
} 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; |
} |
} |