mirror of https://github.com/AxioDL/nod.git
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#include <nod/Util.hpp>
|
|
|
|
#if _WIN32
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN 1
|
|
#endif
|
|
#ifndef NOMINMAX
|
|
#define NOMINMAX
|
|
#endif
|
|
#include <Windows.h>
|
|
#endif
|
|
|
|
namespace nod {
|
|
FILE* Fopen(const char* path, const char* mode, FileLockType lock) {
|
|
#if _WIN32
|
|
const nowide::wstackstring wpath(path);
|
|
const nowide::wshort_stackstring wmode(mode);
|
|
FILE* fp = _wfopen(wpath.get(), wmode.get());
|
|
if (!fp)
|
|
return nullptr;
|
|
#else
|
|
FILE* fp = fopen(path, mode);
|
|
if (!fp)
|
|
return nullptr;
|
|
#endif
|
|
|
|
if (lock != FileLockType::None) {
|
|
#if _WIN32
|
|
OVERLAPPED ov = {};
|
|
LockFileEx((HANDLE)(uintptr_t)_fileno(fp), (lock == FileLockType::Write) ? LOCKFILE_EXCLUSIVE_LOCK : 0, 0, 0, 1,
|
|
&ov);
|
|
#else
|
|
if (flock(fileno(fp), ((lock == FileLockType::Write) ? LOCK_EX : LOCK_SH) | LOCK_NB))
|
|
LogModule.report(logvisor::Error, FMT_STRING("flock {}: {}"), path, strerror(errno));
|
|
#endif
|
|
}
|
|
|
|
return fp;
|
|
}
|
|
|
|
bool CheckFreeSpace(const char* path, size_t reqSz) {
|
|
#if _WIN32
|
|
ULARGE_INTEGER freeBytes;
|
|
const nowide::wstackstring wpath(path);
|
|
std::array<wchar_t, 1024> buf{};
|
|
wchar_t* end = nullptr;
|
|
DWORD ret = GetFullPathNameW(wpath.get(), 1024, buf.data(), &end);
|
|
if (ret == 0 || ret > 1024) {
|
|
LogModule.report(logvisor::Error, FMT_STRING("GetFullPathNameW {}"), path);
|
|
return false;
|
|
}
|
|
if (end != nullptr) {
|
|
end[0] = L'\0';
|
|
}
|
|
if (!GetDiskFreeSpaceExW(buf.data(), &freeBytes, nullptr, nullptr)) {
|
|
LogModule.report(logvisor::Error, FMT_STRING("GetDiskFreeSpaceExW {}: {}"), path, GetLastError());
|
|
return false;
|
|
}
|
|
return reqSz < freeBytes.QuadPart;
|
|
#else
|
|
struct statvfs svfs;
|
|
if (statvfs(path, &svfs)) {
|
|
LogModule.report(logvisor::Error, FMT_STRING("statvfs {}: {}"), path, strerror(errno));
|
|
return false;
|
|
}
|
|
return reqSz < svfs.f_frsize * svfs.f_bavail;
|
|
#endif
|
|
}
|
|
} // namespace nod
|