Created
October 19, 2020 18:48
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Debugging a zip library refactor. The bug was a uint32 where a uint16 belonged.
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| 00000000: 504b 0304 0a00 0000 0000 3514 5151 849e PK........5.QQ.. | |
| ^^^^ ^^^^ LOCAL_FILE_HEADER | |
| ^^^^ version 10 | |
| ^^^^ bitFlag | |
| ^^^^ compression method | |
| ^^^^ ^^^^ date | |
| 00000010: e8b4 0e00 0000 0e00 0000 0900 0000 6865 ..............he | |
| ^^^^ crc32 | |
| ^^^^ ^^^^ compressed size (14) | |
| ^^^^ ^^^^ uncompressed size (14) | |
| ^^^^ file name length (hello.txt) 9 | |
| ^^^^ extra fields length | |
| ^^^^ | |
| 00000020: 6c6c 6f2e 7478 7448 656c 6c6f 2c20 576f llo.txtHello, Wo | |
| ^^^^ ^^^^ ^^^^ ^^ file name | |
| ^^ ^^^^ ^^^^ ^^^^ ^^^^ | |
| 00000030: 726c 6421 0a50 4b01 021e 030a 0000 0000 rld!.PK......... | |
| ^^^^ ^^^^ ^^ file content (14) | |
| ^^ ^^^^ ^^ CENTRAL_FILE_HEADER | |
| ^^ file version (30) | |
| ^^ file made by (3) | |
| >> headers | |
| ^^ ^^ version 10 | |
| ^^ ^^ bitFlag | |
| ^^ | |
| 00000040: 0035 1451 5184 9ee8 b40e 0000 000e 0000 .5.QQ........... | |
| ^^ compression method | |
| ^^ ^^^^ ^^ date | |
| ^^ ^^^^ ^^ crc32 | |
| ^^ ^^^^ ^^ compressed size (14) | |
| ^^ ^^^^ | |
| 00000050: 0009 0000 0000 0000 0000 0000 0000 0000 ................ | |
| ^^ uncompressed size (14) | |
| ^^ ^^ file name length (hello.txt) 9 | |
| ^^ ^^ extra fields length (0) | |
| << headers | |
| ^^ ^^ file comment length (0) | |
| ^^ ^^ disk number start (0) | |
| ^^ ^^ internal file attributes (0) | |
| ^^ ^^ external file attributes (0) | |
| ^^ ^^^^ | |
| 00000060: 0068 656c 6c6f 2e74 7874 504b 0506 0000 .hello.txtPK.... | |
| ^^ offset of local header (0) | |
| ^^ ^^^^ ^^^^ ^^^^ ^^^^ file name (hello.txt) | |
| ^^^^ ^^^^ CENTRAL_DIRECTORY_END | |
| ^^^^ number of this disk | |
| 00000070: 0000 0100 0100 3500 0000 3500 0000 0000 ......5...5..... | |
| ^^^^ number of the disk with this central dir | |
| ^^^^ number of entries on this disk | |
| ^^^^ total number of entries | |
| ^^^^ ^^^^ length of central directory (53) | |
| ^^^^ ^^^^ central directory start (0x35) | |
| ^^^^ comment length | |
| comment | |
| // INVALID | |
| ============================================================ | |
| // VALID | |
| 00000000: 504b 0304 0a00 0000 0000 519b 5051 849e PK........Q.PQ.. | |
| ^^^^ ^^^^ LOCAL_FILE_HEADER | |
| ^^^^ version 10 | |
| ^^^^ bitFlag | |
| ^^^^ compression method (STORE) | |
| ^^^^ ^^^^ date | |
| ^^^^... | |
| 00000010: e8b4 0e00 0000 0e00 0000 0900 1c00 6865 ..............he | |
| ^^^^ crc32 | |
| ^^^^ ^^^^ compressed size (14) | |
| ^^^^ ^^^^ uncompressed size (14) | |
| ^^^^ file name length (hello.txt) 9 | |
| ^^^^ extra fields length (28) | |
| ^^^^ | |
| 00000020: 6c6c 6f2e 7478 7455 5409 0003 5956 8a5f llo.txtUT...YV._ | |
| ^^^^ ^^^^ ^^^^ ^^ file name | |
| ^^ ^^^^ ^^^^ ^^^^ ^^^^ | |
| 00000030: 5b56 8a5f 7578 0b00 0104 f501 0000 0414 [V._ux.......... | |
| ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ | |
| 00000040: 0000 0048 656c 6c6f 2c20 576f 726c 6421 ...Hello, World! | |
| ^^^^ ^^ extra fields | |
| ^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ | |
| 00000050: 0a50 4b01 021e 030a 0000 0000 0051 9b50 .PK..........Q.P | |
| ^^ file content (14) | |
| ^^ ^^^^ ^^ CENTRAL_FILE_HEADER | |
| ^^ file version (30) | |
| ^^ file made by (3) | |
| >> headers | |
| ^^ ^^ version 10 | |
| ^^ ^^ bitFlag | |
| ^^ ^^ compression method | |
| ^^ ^^^^ | |
| 00000060: 5184 9ee8 b40e 0000 000e 0000 0009 0018 Q............... | |
| ^^ date | |
| ^^ ^^^^ ^^ crc32 | |
| ^^ ^^^^ ^^ compressed size | |
| ^^ ^^^^ ^^ uncompressed size | |
| ^^ ^^ file name length (9) | |
| << headers | |
| ^^ | |
| 00000070: 0000 0000 0001 0000 00a4 8100 0000 0068 ...............h | |
| ^^^^ ^^ extra fields length (0x18 24) | |
| ^^ ^^ file comment length | |
| ^^ ^^ disk number start (1) | |
| ^^ ^^ internal file attribute (0) | |
| ^^ ^^ external file attribute (0xa481 0o122201???) | |
| ^^ ^^^^ ^^ offset of local header (0) | |
| ^^ | |
| 00000080: 656c 6c6f 2e74 7874 5554 0500 0359 568a ello.txtUT...YV. | |
| ^^^^ ^^^^ ^^^^ ^^^^ file name | |
| ^^^^ ^^^^ ^^^^ ^^^^ | |
| 00000090: 5f75 780b 0001 04f5 0100 0004 1400 0000 _ux............. | |
| ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ extra fields (24) | |
| 000000a0: 504b 0506 0000 0000 0100 0100 4f00 0000 PK..........O... | |
| ^^^^ ^^^^ CENTRAL_DIRECTORY_END | |
| ^^^^ number of this disk (0) | |
| ^^^^ number of the disk with this central dir | |
| ^^^^ number of entires on the central dir on this disk (1) | |
| ^^^^ total number of entries in the central (1) | |
| ^^^^ ^^^^ central directory length (79) | |
| 000000b0: 5100 0000 0000 Q..... | |
| ^^^^ ^^^^ central directory start (0x51) | |
| ^^^^ comment length (0) | |
| comment | |
| 00000000: 504b 0304 0a03 0000 0000 9c74 f13a e3e5 PK.........t.:.. | |
| ^^^^ LOCAL_FILE_HEADER | |
| 00000010: 95b0 0c00 0000 0c00 0000 0900 0000 4865 ..............He | |
| ^^- fileName | |
| 00000020: 6c6c 6f2e 7478 7448 656c 6c6f 2057 6f72 llo.txtHello Wor | |
| -^^ ^^- compressedBytes | |
| 00000030: 6c64 0a50 4b01 0214 030a 0300 0000 009c ld.PK........... | |
| >> start of central directory | |
| ^^ ^^^^ ^^ CENTRAL_FILE_HEADER | |
| 00000040: 74f1 3ae3 e595 b00c 0000 000c 0000 0009 t.:............. | |
| 00000050: 0000 0000 0000 0000 0020 80a4 8100 0000 ......... ...... | |
| 00000060: 0048 656c 6c6f 2e74 7874 504b 0506 0000 .Hello.txtPK.... | |
| << end of central directory | |
| ^^^^ CENTRAL_DIRECTORY_END | |
| ^^^^ number of this disk | |
| 00000070: 0000 0100 0100 3700 0000 3300 0000 0000 ......7...3..... | |
| ^^^^ number of the disk with the start of the central dir | |
| ^^^^ number of entries in the central directory on this disk | |
| ^^^^ total number of entries in the central directory | |
| ^^^^ ^^^^ size of the central directory | |
| ^^^^ ^^^^ start of the central directory on the starting disk | |
| ^^^^ comment length | |
| 00000000: 504b 0304 0a03 0000 0000 9c6c f13a e3e5 PK.........l.:.. | |
| ^^^^ LOCAL_FILE_HEADER | |
| 00000010: 95b0 0c00 0000 0c00 0000 0900 0000 4865 ..............He | |
| 00000020: 6c6c 6f2e 7478 7448 656c 6c6f 2057 6f72 llo.txtHello Wor | |
| 00000030: 6c64 0a50 4b03 040a 0300 0000 00b1 6cf1 ld.PK.........l. | |
| ^^ ^^ LOCAL_FILE_HEADAER | |
| 00000040: 3a00 0000 0000 0000 0000 0000 0007 0000 :............... | |
| 00000050: 0069 6d61 6765 732f 504b 0304 0a03 0000 .images/PK...... | |
| ^^^^ LOCAL_FILE_HEADER | |
| 00000060: 0000 1567 ea3a 3c3f eb8a 2900 0000 2900 ...g.:<?..)...). | |
| 00000070: 0000 1000 0000 696d 6167 6573 2f73 6d69 ......images/smi | |
| 00000080: 6c65 2e67 6966 4749 4638 3761 0500 0500 le.gifGIF87a.... | |
| 00000090: 8002 0000 0000 ffde 002c 0000 0000 0500 .........,...... | |
| 000000a0: 0500 0002 088c 0f91 67ab 0a52 0100 3b50 ........g..R..;P | |
| 000000b0: 4b01 0214 030a 0300 0000 009c 6cf1 3ae3 K...........l.:. | |
| ^^ ^^ CENTRAL_FILE_HEADER | |
| 000000c0: e595 b00c 0000 000c 0000 0009 0000 0000 ................ | |
| 000000d0: 0000 0000 0020 80a4 8100 0000 0048 656c ..... .......Hel | |
| 000000e0: 6c6f 2e74 7874 504b 0102 1403 0a03 0000 lo.txtPK........ | |
| ^^^^ CENTRAL_FILE_HEADER | |
| 000000f0: 0000 b16c f13a 0000 0000 0000 0000 0000 ...l.:.......... | |
| 00000100: 0000 0700 0000 0000 0000 0000 1080 ed41 ...............A | |
| 00000110: 3300 0000 696d 6167 6573 2f50 4b01 0214 3...images/PK... | |
| ^^ ^^ CENTRAL_FILE_HEADER | |
| 00000120: 030a 0300 0000 0015 67ea 3a3c 3feb 8a29 ........g.:<?..) | |
| 00000130: 0000 0029 0000 0010 0000 0000 0000 0000 ...)............ | |
| 00000140: 0020 80a4 8158 0000 0069 6d61 6765 732f . ...X...images/ | |
| 00000150: 736d 696c 652e 6769 6650 4b05 0600 0000 smile.gifPK..... | |
| ^^ ^^ CENTRAL_DIRECTORY_END | |
| 00000160: 0003 0003 00aa 0000 00af 0000 0000 00 ............... | |
| 00000000: 504b 0304 0a00 0800 0000 7683 2142 0000 PK........v.!B.. | |
| ^^^^ LOCAL_FILE_HEADER | |
| 00000010: 0000 0c00 0000 0c00 0000 0900 1c00 4865 ..............He | |
| 00000020: 6c6c 6f2e 7478 7455 5409 0003 6f00 e350 llo.txtUT...o..P | |
| 00000030: 6f00 e350 7578 0b00 0104 e803 0000 04e8 o..Pux.......... | |
| 00000040: 0300 0048 656c 6c6f 2057 6f72 6c64 0a50 ...Hello World.P | |
| 00000050: 4b07 08e3 e595 b00c 0000 000c 0000 0050 K..............P | |
| ^^ ^^ DATA_DESCRIPTOR | |
| 00000060: 4b01 021e 030a 0008 0000 0076 8321 42e3 K..........v.!B. | |
| ^^ ^^ CENTRAL_FILE_HEADER | |
| 00000070: e595 b00c 0000 000c 0000 0009 0018 0000 ................ | |
| 00000080: 0000 0000 0000 00a4 8100 0000 0048 656c .............Hel | |
| 00000090: 6c6f 2e74 7874 5554 0500 036f 00e3 5075 lo.txtUT...o..Pu | |
| 000000a0: 780b 0001 04e8 0300 0004 e803 0000 504b x.............PK | |
| 000000b0: 0506 0000 0000 0100 0100 4f00 0000 5f00 ..........O..._. | |
| ^^^^ CENTRAL_DIRECTORY_END | |
| 000000c0: 0000 0000 |
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