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Fix file size computation on 32-bit Windows.

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mol123 2024-08-28 11:46:37 +02:00
parent 71c3d1fd86
commit ea66347e83
1 changed files with 7 additions and 1 deletions
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8
httplib.h
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@ -2851,7 +2851,13 @@ inline bool mmap::open(const char *path) {
DWORD sizeLow;
sizeLow = ::GetFileSize(hFile_, &sizeHigh);
if (sizeLow == INVALID_FILE_SIZE) { return false; }
size_ = (static_cast<size_t>(sizeHigh) << (sizeof(DWORD) * 8)) | sizeLow;
size_ = sizeLow;
#if defined(_WIN64)
size_ |= (static_cast<size_t>(sizeHigh) << (sizeof(DWORD) * 8));
#else
// The size of the file is too large to fit into `size_`, which is 32 bit.
if (sizeHigh != 0) { return false; }
#endif
#endif
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM) && \