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casts to remove warnings in WIN32 mode

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This commit is contained in:
Oliver Schonrock 2024-12-17 15:07:12 +00:00
parent 7a1d9bec47
commit 9d54db9c44
1 changed files with 6 additions and 6 deletions
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12
include/mio/detail/mmap.ipp
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@ -44,13 +44,13 @@ namespace win {
/** Returns the 4 upper bytes of an 8-byte integer. */ /** Returns the 4 upper bytes of an 8-byte integer. */
inline DWORD int64_high(int64_t n) noexcept inline DWORD int64_high(int64_t n) noexcept
{ {
return n >> 32; return static_cast<DWORD>(n >> 32);
} }
/** Returns the 4 lower bytes of an 8-byte integer. */ /** Returns the 4 lower bytes of an 8-byte integer. */
inline DWORD int64_low(int64_t n) noexcept inline DWORD int64_low(int64_t n) noexcept
{ {
return n & 0xffffffff; return static_cast<DWORD>(n & 0xffffffff);
} }
inline std::wstring s_2_ws(const std::string& s) inline std::wstring s_2_ws(const std::string& s)
@ -61,7 +61,7 @@ inline std::wstring s_2_ws(const std::string& s)
ret.resize(s.size()); ret.resize(s.size());
int wide_char_count = MultiByteToWideChar(CP_UTF8, 0, s.c_str(), int wide_char_count = MultiByteToWideChar(CP_UTF8, 0, s.c_str(),
static_cast<int>(s.size()), &ret[0], static_cast<int>(s.size())); static_cast<int>(s.size()), &ret[0], static_cast<int>(s.size()));
ret.resize(wide_char_count); ret.resize(static_cast<std::size_t>(wide_char_count));
} }
return ret; return ret;
} }
@ -108,7 +108,7 @@ inline std::error_code last_error() noexcept
{ {
std::error_code error; std::error_code error;
#ifdef _WIN32 #ifdef _WIN32
error.assign(GetLastError(), std::system_category()); error.assign(static_cast<int>(GetLastError()), std::system_category());
#else #else
error.assign(errno, std::system_category()); error.assign(errno, std::system_category());
#endif #endif
@ -148,7 +148,7 @@ inline size_t query_file_size(file_handle_type handle, std::error_code& error)
error = detail::last_error(); error = detail::last_error();
return 0; return 0;
} }
return static_cast<int64_t>(file_size.QuadPart); return static_cast<size_t>(file_size.QuadPart);
#else // POSIX #else // POSIX
struct stat sbuf; struct stat sbuf;
if(::fstat(handle, &sbuf) == -1) if(::fstat(handle, &sbuf) == -1)
@ -194,7 +194,7 @@ inline mmap_context memory_map(const file_handle_type file_handle, const int64_t
mode == access_mode::read ? FILE_MAP_READ : FILE_MAP_WRITE, mode == access_mode::read ? FILE_MAP_READ : FILE_MAP_WRITE,
win::int64_high(aligned_offset), win::int64_high(aligned_offset),
win::int64_low(aligned_offset), win::int64_low(aligned_offset),
length_to_map)); static_cast<size_t>(length_to_map)));
if(mapping_start == nullptr) if(mapping_start == nullptr)
{ {
// Close file handle if mapping it failed. // Close file handle if mapping it failed.