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* main: Add help output and check for operandPatrick McDermott2023-04-201-4/+78
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* main: Add version outputPatrick McDermott2023-04-201-2/+19
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* main: Handle optionsPatrick McDermott2023-04-201-14/+99
| | | | Missing: -h, -V, and -?
* ustar: Add a couple small commentsPatrick McDermott2023-04-191-0/+4
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* opk: Automatically initialize inner gzip and ustarPatrick McDermott2023-04-193-57/+36
| | | | Simplifies interface to main().
* opk: Fix a leak on errorPatrick McDermott2023-04-191-9/+11
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* ustar: Make seek names struct opaquePatrick McDermott2023-04-194-52/+80
| | | | Simplify main() a little and fix memory leak on success.
* opk: Initialize seek_name.foundPatrick McDermott2023-04-191-2/+3
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* main: Fix list free loopPatrick McDermott2023-04-191-4/+4
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* opk: Document functionsPatrick McDermott2023-04-191-0/+55
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* opk: Return error if unable to write to stdoutPatrick McDermott2023-04-191-6/+17
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* ustar: Shorten macro namePatrick McDermott2023-04-182-5/+5
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* opk: Print multiple control filesPatrick McDermott2023-04-182-15/+26
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* ustar: Use linked list instead of varargs in seekPatrick McDermott2023-04-185-31/+131
| | | | Also indicate when all sought member files are found.
* opk: Separate output with newline, so main needn'tPatrick McDermott2023-04-182-3/+15
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* ustar: Document arguments that may be NULLPatrick McDermott2023-04-181-2/+3
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* opk: Split from mainPatrick McDermott2023-04-184-251/+338
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* main: Drop a macroPatrick McDermott2023-04-181-4/+2
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* main: Split outer and inner archive initializationPatrick McDermott2023-04-181-67/+103
| | | | | | Thus, we can both read the control file and list data files in one pass through the outer archive. Unlike dpkg-deb, opkg-opk will allow both -I and -c options (commands in dpkg-deb syntax) to be used together.
* gzip, ustar: Document functionsPatrick McDermott2023-04-182-0/+79
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* main, ustar: Add commentsPatrick McDermott2023-04-182-0/+28
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* main: Check debian-versionPatrick McDermott2023-04-181-0/+18
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* gzip: Cast to avoid warningsPatrick McDermott2023-04-181-2/+3
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* ustar: Use char typePatrick McDermott2023-04-181-32/+32
| | | | | | POSIX requires header characters to be encoded in ISO/IEC 646, a 7-bit code, so the extra bit in (unsigned char) is unnecessary. So fix a bunch of warnings and get rid of casts.
* ustar: Fix a couple warningsPatrick McDermott2023-04-181-2/+2
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* ustar: Make size unsignedPatrick McDermott2023-04-182-2/+2
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* main: Set max column widths and free membersPatrick McDermott2023-04-181-5/+46
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* ustar, main: Dynamically allocate member structsPatrick McDermott2023-04-183-42/+53
| | | | | TODO: Save max strlen()s in first loop and printf() and free() in second loop.
* ustar, main: Show mode and mtimePatrick McDermott2023-04-173-10/+40
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* ustar, main: Show type, uname, and gnamePatrick McDermott2023-04-173-1/+36
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* ustar: Verify typeflagPatrick McDermott2023-04-171-4/+20
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* Revert "ustar: Verify full magic field"Patrick McDermott2023-04-171-1/+1
| | | | | | | This reverts commit 1203f44aa85a88cfdc3008e7f14818c85bfe46c3. POSIX requires "ustar\0" but BusyBox tar creates "ustar ". Again, standard? What standard?
* ustar: Verify full magic fieldPatrick McDermott2023-04-171-1/+1
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* Revert "ustar: Verify version"Patrick McDermott2023-04-171-4/+0
| | | | | | | This reverts commit 8858721eceff2d22099ed42bee049b35a0fc712c. POSIX requires "00" but BusyBox tar creates " \0". Apparently standards are irrelevant.
* ustar: Verify versionPatrick McDermott2023-04-171-0/+4
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* ustar: Verify header checksumsPatrick McDermott2023-04-171-3/+25
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* ustar, main: Show size of member filesPatrick McDermott2023-04-173-3/+7
| | | | Also fix integer type (maximum file size is 8^12-1 = 68719476735).
* ustar: Search for multiple member namesPatrick McDermott2023-04-173-6/+16
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* main: Fix control file namePatrick McDermott2023-04-171-1/+1
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* main: Improve error messages about inner archivePatrick McDermott2023-04-171-3/+6
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* gzip: Make more robustPatrick McDermott2023-04-171-4/+17
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* ustar: Don't read sought filePatrick McDermott2023-04-171-4/+4
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* main: Uncomment control file readingPatrick McDermott2023-04-151-5/+5
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* ustar: Fix seekingPatrick McDermott2023-04-151-10/+6
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* main: Print error messagesPatrick McDermott2023-04-151-0/+10
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* main: Cast function typePatrick McDermott2023-04-153-3/+7
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* main: Simplify/improve error handlingPatrick McDermott2023-04-151-18/+25
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* ustar: Fix read bufferPatrick McDermott2023-04-153-21/+24
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* [WIP] main: Print control file and list data filesPatrick McDermott2023-04-141-18/+92
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* Eliminate magic numbersPatrick McDermott2023-04-144-17/+29
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