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FileSystem: Use wide strings for fopen on Windows

This commit is contained in:
Connor McLaughlin 2020-07-31 16:03:18 +10:00
parent 3edb8e113e
commit 8b0c3f0dc8
1 changed files with 22 additions and 0 deletions
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22
src/common/file_system.cpp
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@ -401,6 +401,28 @@ FileSystem::ManagedCFilePtr OpenManagedCFile(const char* filename, const char* m
std::FILE* OpenCFile(const char* filename, const char* mode) std::FILE* OpenCFile(const char* filename, const char* mode)
{ {
#ifdef WIN32 #ifdef WIN32
int filename_len = static_cast<int>(std::strlen(filename));
int mode_len = static_cast<int>(std::strlen(mode));
int wlen = MultiByteToWideChar(CP_UTF8, 0, filename, filename_len, nullptr, 0);
int wmodelen = MultiByteToWideChar(CP_UTF8, 0, mode, mode_len, nullptr, 0);
if (wlen > 0 && wmodelen > 0)
{
wchar_t* wfilename = static_cast<wchar_t*>(alloca(sizeof(wchar_t) * (wlen + 1)));
wchar_t* wmode = static_cast<wchar_t*>(alloca(sizeof(wchar_t) * (wmodelen + 1)));
wlen = MultiByteToWideChar(CP_UTF8, 0, filename, filename_len, wfilename, wlen);
wmodelen = MultiByteToWideChar(CP_UTF8, 0, mode, mode_len, wmode, wmodelen);
if (wlen > 0 && wmodelen > 0)
{
wfilename[wlen] = 0;
wmode[wmodelen] = 0;
std::FILE* fp;
if (_wfopen_s(&fp, wfilename, wmode) != 0)
return nullptr;
return fp;
}
}
std::FILE* fp; std::FILE* fp;
if (fopen_s(&fp, filename, mode) != 0) if (fopen_s(&fp, filename, mode) != 0)
return nullptr; return nullptr;