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adds endianess detection to util/itis.h #162

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Merged
eyck merged 2 commits into from
Sep 5, 2026
Merged

adds endianess detection to util/itis.h #162

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8ec1ffe
adds endianess detection to util/itis.h
eyck Sep 1, 2026
ef5facd
applies clang-format
eyck Sep 5, 2026
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18 changes: 17 additions & 1 deletion src/common/util/ities.h
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,9 @@
#include <sys/stat.h>
#include <type_traits>
#include <vector>
#if __cplusplus >= 202002L
#include <bit>
#endif

#if defined(__GNUC__)
#ifndef LIKELY
Expand Down Expand Up @@ -570,7 +573,20 @@ inline file_type_e detect_file_type(const std::string& path) {
return file_type_e::ZSTD;
return file_type_e::PLAIN;
}

namespace endian {
constexpr bool little =
#if __cplusplus >= 202002L
std::endian::native == std::endian::little;
#elif defined(_WIN32)
true;
#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
true;
#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
false;
#else
#error "Unable to determine endianness"
#endif
} // namespace endian
} // namespace util
/** @} */
#endif /* _UTIL_ITIES_H_ */
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