DWORD is always a 32 bit unsigned integer. But "unsigned long" is sometimes a 32 or 64 bits...

This commit is contained in:
Bernd Baumanns 2020-09-25 21:00:42 +02:00
parent fb58a7e8a2
commit 481660af60

View File

@ -25,11 +25,20 @@
#ifdef _WIN32
# include <io.h>
FMT_BEGIN_NAMESPACE
namespace details {
# if !defined(__LP64__)
using DWORD = unsigned long;
# else
using DWORD = unsigned int;
# endif
// WriteConsoleW should not become visible in global namespace
extern "C" {
int __stdcall WriteConsoleW(void* hConsoleOutput, const void* lpBuffer,
uint32_t nNumberOfCharsToWrite,
uint32_t* lpNumberOfCharsWritten, void* lpReserved);
DWORD nNumberOfCharsToWrite,
DWORD* lpNumberOfCharsWritten, void* lpReserved);
}
} // namespace details
FMT_END_NAMESPACE
#endif
@ -2895,9 +2904,10 @@ FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) {
auto fd = _fileno(f);
if (_isatty(fd)) {
detail::utf8_to_utf16 u16(string_view(buffer.data(), buffer.size()));
auto written = uint32_t();
if (!WriteConsoleW(reinterpret_cast<void*>(_get_osfhandle(fd)), u16.c_str(),
static_cast<uint32_t>(u16.size()), &written, nullptr)) {
auto written = details::DWORD();
if (!details::WriteConsoleW(
reinterpret_cast<void*>(_get_osfhandle(fd)), u16.c_str(),
static_cast<details::DWORD>(u16.size()), &written, nullptr)) {
FMT_THROW(format_error("failed to write to console"));
}
return;