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2022-11-21Make some string functions from libcompat available to libsquashfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-06-03Typo fixDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-06-02Cleanup: libsqfs: sqfs_dir_reader_find_by_pathDavid Oberhollenzer
Split out several repated patterns into helper functions and move the rest of the code back into dir_reader.c Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-03-10Windows: redirect standard I/O and convert text to UTF-16David Oberhollenzer
Preprocessor magic is used to redirect putc/fputc/fputs/printf/fprintf to custom implementations. The custom implementations try to figure out if we are printing to the console and, if so, convert the resulting strings to UTF-16 and print them through ConsoleWriteW. If the output is redirected to a file or a pipe, the original (presummed) UTF-8 is kept. Simply setting the console output codepage to UTF-8 does not work, because the standard I/O facilities of MSVCRT either does not support unicode (in non-wchar mode), or has half-broken support through fputs, which can still break up multi-byte sequences through its internal buffering. Likewise, changing the codepage and using ConsoleWriteA, or trying to use fputws did not work in a test VM either. This approach is the one that worked most consistently among the ones tried, but also has problems. E.g. it breaks when setting the codepage to UTF-8 manually (using `chcp 65001`). Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-12-14Fix Windows main wrapper after mingw upgradeDavid Oberhollenzer
Apparently, mingw implicitly included stdlib.h indirectly from either windows.h or shellapi.h. After an upgrade, the windows build now fails with EXIT_FAILURE being undefined. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-12-05Add a wrapper for the main function on WindowsDavid Oberhollenzer
A macro and forward declaration are added to compat.h that rename the main() function programs using compat.h into sqfs_tools_main. An actual main() function is added to libcompat.a, that uses the shell API to get the UTF-16 command line arguments, convert them to UTF-8 and call sqfs_tools_main. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-24Provide Musl derived fallbacks for getopt/getopt_long/getsuboptDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-20Fix: libcompat: add missing stdio includesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-20Add libcompat fallback implementation for fnmatchDavid Oberhollenzer
This has basically been copied over from Musl and slightly modifed. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-29Replace file/getline usage with istreamDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-16Add stream I/O abstraction libraryDavid Oberhollenzer
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>
2019-11-25Cleanup: move overflow safe alloc code into libsquashfsDavid Oberhollenzer
There were only a hand full of instances outside libsquashfs that used the alloc code. In most cases, the thing allocated hat its size derived from something already in memory anyway, so it is safe to assume its size fits into a size_t. At the same time, the opencoded Windows path conversion functions are all unified into a single helper function. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-23Fix: add missing null-terminator in getline implementationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-23Add windows implementation for chdir in libcompatDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-22Add fchownat/fchmodat mockups to libcompat for WindowsDavid Oberhollenzer
Not pretty, but definitely prettier than #ifdef hell. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-22Cleanup: move all the compatibillity fluff to a dedicated "libcompat"David Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>