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| version 1.3, 2012/07/22 22:09:47 | version 1.3.2.2, 2012/11/13 10:34:17 |
|---|---|
| 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; |
| } | } |