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fs::statfs implemented

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This commit is contained in:
Nekotekina 2017-04-24 18:45:58 +03:00
parent 256dfc5729
commit f42b830ce9
3 changed files with 54 additions and 1 deletions
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40
Utilities/File.cpp
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@ -102,6 +102,7 @@ static fs::error to_error(DWORD e)
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/statvfs.h>
#include <dirent.h>
#include <fcntl.h>
#include <libgen.h>
@ -403,6 +404,45 @@ bool fs::is_dir(const std::string& path)
return true;
}
bool fs::statfs(const std::string& path, fs::device_stat& info)
{
if (auto device = get_virtual_device(path))
{
return device->statfs(path, info);
}
#ifdef _WIN32
ULARGE_INTEGER avail_free;
ULARGE_INTEGER total_size;
ULARGE_INTEGER total_free;
if (!GetDiskFreeSpaceExW(to_wchar(path).get(), &avail_free, &total_size, &total_free))
{
g_tls_error = to_error(GetLastError());
return false;
}
info.block_size = 4096; // TODO
info.total_size = total_size.QuadPart;
info.total_free = total_free.QuadPart;
info.avail_free = avail_free.QuadPart;
#else
struct ::statvfs buf;
if (!::statvfs(path.c_str(), &buf) != 0)
{
g_tls_error = to_error(errno);
return false;
}
info.block_size = buf.f_frsize;
info.total_size = info.block_size * buf.f_blocks;
info.total_free = info.block_size * buf.f_bfree;
info.avail_free = info.block_size * buf.f_bavail;
#endif
return true;
}
bool fs::create_dir(const std::string& path)
{
if (auto device = get_virtual_device(path))