haas:fall2017:discrete:projects:dcf1
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| haas:fall2017:discrete:projects:dcf1 [2017/09/09 14:23] – [Submission] wedge | haas:fall2017:discrete:projects:dcf1 [2017/10/09 14:21] (current) – wedge | ||
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| - | |||
| - | ~~TOC~~ | ||
| ======Project: | ======Project: | ||
| + | |||
| + | =====Errata===== | ||
| + | Any changes that have been made. | ||
| + | |||
| + | * Revision 0.1: Updating dcfX v2 spec and added some additional implementation constraints (20170907) | ||
| + | * Revision 0.2: Finalized project data files, adapted included ' | ||
| + | * Revision 0.3: Updated check script so it no longer gives out false negatives. **make getdata** to grab the updated copy (20170921) | ||
| =====Objective===== | =====Objective===== | ||
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| ====Header==== | ====Header==== | ||
| It is actually **identical** to the specifications of last week, save for four changes: | It is actually **identical** to the specifications of last week, save for four changes: | ||
| - | - we're no longer hard-coding the **stride** value to 1 (byte 10) | + | - we're no longer hard-coding the **stride** value to 1 (byte 10), but instead obtaining it from the command-line (argv[3]), any valid value between 1 and 255 (inclusive). |
| - we're placing a 2 in the version byte (byte 9) | - we're placing a 2 in the version byte (byte 9) | ||
| - the embedded source file name will now be stripped of any path (ie " | - the embedded source file name will now be stripped of any path (ie " | ||
| - the destination argument (argv[2]) is now merely a path, NOT a path+filename (ie " | - the destination argument (argv[2]) is now merely a path, NOT a path+filename (ie " | ||
| * the destination file is a combination of the destination path + source filename + " | * the destination file is a combination of the destination path + source filename + " | ||
| + | |||
| + | And specifically for **decode**, the source filename will be retrieved out of the post-header information at the start of the encoded file. | ||
| Every RL-encoded file will start with the following 12-byte header: | Every RL-encoded file will start with the following 12-byte header: | ||
| Line 162: | Line 169: | ||
| ‘/ | ‘/ | ||
| ‘/ | ‘/ | ||
| - | ‘/ | + | ... |
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| - | ‘/ | + | |
| - | ‘/ | + | |
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| - | ‘/ | + | |
| make: Leaving directory '/ | make: Leaving directory '/ | ||
| lab46: | lab46: | ||
| Line 264: | Line 263: | ||
| <cli> | <cli> | ||
| - | lab46: | + | lab46: |
| - | input filename: | + | input filename: |
| output name length: 11 bytes | output name length: 11 bytes | ||
| | | ||
haas/fall2017/discrete/projects/dcf1.1504966983.txt.gz · Last modified: 2017/09/09 14:23 by wedge
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