This is a 0-clause BSD-licensed, tiny hash library written in C and
widely available on both POSIX and Windows systems.
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Despite its ubiquity, OpenSSL is a huge and complex library from which
only a couple of small features (SHA256 computation and pseudorandom
number generation) were being used by the project.
Therefore, this commit replaces OpenSSL with (much) smaller
dependencies.
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This function makes use of system-specific interfaces to generate
cryptographically secure pseudorandom numbers.
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More portability functions shall be defined by future commits. Since it
is preferred to keep each function on its own source file, it is also
desirable to keep them on their own directories, based on the system
they were written for.
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These casts were dangerous and not accepted by more modern compilers,
such as GCC 14. In fact, all of them could be trivially replaced with
safe and portable alternatives.
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Any references to Win32-specific symbols should be precluded with this
header file to avoid undefined reference errors.
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Unfortunately,
AbstractColorChooserPanel.setColorTransparencySelectionEnabled was
introduced by Java 9, whereas Speed Dreams still targets Java 8 (aka
1.8).
Despite the more confusing GUI, which allows users to adjust
transparency, it returns the same Color to the caller regardless
transparency, so no regressions are introduced.
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Findminizip.cmake does not define MINIZIP_LIBRARY, but
minizip_LIBRARIES. Ideally, minizip::minizip should be used instead, but
that seems not to work for some unknown reason.
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std::ios::binary holds equivalent semantics to fopen(3)'s 'b' flag.
Whereas POSIX systems would typically ignore this flag, Windows relies
on this flag to apply conversions to newline characters.
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The following shell script was used:
while read f
do
sed -Ei 's/[[:space:]]+$//g' "$f"
done <<EOF
$(svn ls -R | grep \
-e '.\cpp$' \
-e '\.cmake$' \
-e '\.txt$' \
-e '\.cppcheck$' \
-e '\.frag$' \
-e '\.h$' \
-e '\.hpp$' \
-e '\.vert$' \
-e '\.xml$' \
-e '\.java$' \
-e '\.c$')
EOF
As a side effect, this has also converted some files from CRLF line
endings to LF.
File extensions such as .ac or .osg were intentionally left out because
those usually are very large files generated by tools.
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Otherwise, GfLocalDir and GfDataDir might be residing on different file
systems, and therefore rename(3) could fail with EXDEV ("Invalid
cross-device link").
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Whenever an error occurs, libcurl expects a value different than size,
and not a negative value. This should fix signed-to-unsigned diagnostic
messages from some implementations.
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This file was originally in C99 and (poorly) adapted to C++, which
caused some syntax errors as C++ holds different rules compared
to C99.
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This in-game download manager allows users to fetch assets, such as
cars, tracks or drivers, from a configurable list of servers following a
specific JSON schema.
Several smaller classes have been designed to assist the download
manager:
- entry: defines an entry in the assets lists and its state.
- thumbnail: defines a visible entry on the list, will always match
one entry.
- writebuf: allows dumping a file downloaded over HTTP{S} to memory.
- writefile: allows dumping a file downloaded over HTTP{S} to a file.
- unzip: a higher-level, C++ wrapper to minizip.
It was also required to implement a function that removed directories
recursively, namely rmdir_r. Since this is not portable accross POSIX
and Windows systems, their respective implementations have been provided
on src/libs/portability.
The following dependencies have been added:
- libcurl: HTTP{S} operations, already required by webserver.
- OpenSSL: hash calculation.
- minizip: zip extraction, it required its on Findminizip.cmake as it is
not provided by upstream CMake.
- zlib: required by minizip.
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The JSON schema provides a machine and human-readable specification of
the assets lists that implementors must follow so that Speed Dreams can
fetch them. An example JSON file has also been provided.
Run check-jsonschema(1) to test an assets JSON file. It can be
downloaded via `pip install check-jsonschema`.
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