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2020-09-03Cleanup copy & paste mess in the tar parser test casesDavid Oberhollenzer
Many of the patterns tested are very repetetive. This commit moves the two common test cases out into helper functions and uses them for the test cases. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-04-17Remove some configure time sizeof checksDavid Oberhollenzer
In libtar, the sizeof time_t checked when trying to store a time value. It is pointless using the preprocessor here, as we can simply do an if (sizeof(time_t) < ...) check and the compiler will take care optimizing away one or the other branch. After changing the libtar check and the corresponding unit tests, the sizeof check can be removed from configure.ac, along with other unused sizeof checks. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-04-17tests: improve diagnostics output & make "release builds" workDavid Oberhollenzer
This commit adds a few macros and helper functions for the unit test programs. Those are used instead of asserts to provide more fine grained diagnostics on the one hand and on the other hand because they also work if NDEBUG is defined, unlike asserts that get eliminated in that case. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-25Cleanup: remove what is left of libutilDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-23Move some unix header inclusions to compat.hDavid Oberhollenzer
In most cases, including unistd.h and fcntl.h was a left over anyway. In the cases where it was not, move it to compat.h. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-06Remove raw file descriptors from tar read pathDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-10-07Cleanup: move libutil related headers to "util" sub directoryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-10-07Cleanup: move read_data function to libtarDavid Oberhollenzer
Its the only user. The other code doesn't touch raw file descriptors anymore. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-30Add propper copyright headers to all source filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-24Fix processing of tar mtime on 32 bit systemsDavid Oberhollenzer
struct stat uses time_t to store time values. On some 32 bit systems, this may be a 32 bit integer. This patch adds a broken-out 64 bit time value to tar_header_decoded_t and makes sure to clamp the value to +/- (2^32 - 1) if required when writing it back to a struct stat. Reported-by: Matt Turner <mattst88@gmail.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-24cleanup: remove atime/ctime processing codeDavid Oberhollenzer
This commit removes all the code for parsing and processing atime/ctime and values and related test code. Caring about those is kind of pointless because squashfs can only store mtime in inodes. The only relevant place is when generating a struct stat from a squashfs inode or an fstree node. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-24Enable largefile supportMatt Turner
Requires that config.h be included before other headers, since the macro _FILE_OFFSET_BITS changes the definitions of things like 'struct stat'. I chose to simply include it at the top of every C file and at immediately after the double-inclusion guards of every header. Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-16cleanup: move error handling into read_retryDavid Oberhollenzer
If read_retry fails to read the expected amount of data (EOF or otherwise), it is almost always an error. This commit renames read_retry to read_data and moves error handling into the function, making a lot of error handling code redundant. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-28Regroup tar format testsDavid Oberhollenzer
Instead of having test cases per feature with multiple vendors, pack the tests into test case per vendor with miltiple features. This should make errors easier to find, since the code many vendor extensions is closely related for all features. E.g. breaking pax header parser is will now trigger the pax test case and the others still work, vs all tests breaking because each feature test also tries to read the pax version. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>