file_utils.h

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// VaneDB - Copyright (c) 2025 Anton Tsvetkov - MIT License
#pragma once
 
#include <string>
 
#if defined(_WIN32) || defined(_WIN64)
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
#elif defined(__unix__) || defined(__APPLE__)
#include <fcntl.h>
#include <unistd.h>
#endif
 
namespace vanedb {
namespace detail {
 
inline void fsync_file(const std::string& path) noexcept {
#if defined(_WIN32) || defined(_WIN64)
  HANDLE hFile = CreateFileA(path.c_str(), GENERIC_WRITE, FILE_SHARE_READ, NULL,
                             OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
  if (hFile != INVALID_HANDLE_VALUE) { FlushFileBuffers(hFile); CloseHandle(hFile); }
#elif defined(__unix__) || defined(__APPLE__)
  int fd = open(path.c_str(), O_WRONLY);
  if (fd >= 0) { fsync(fd); close(fd); }
#endif
}
 
} // namespace detail
} // namespace vanedb