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sys_fs_fstat fixed

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This commit is contained in:
Nekotekina 2015-04-19 20:57:04 +03:00
parent 3c872ab611
commit 73b00b844b
3 changed files with 104 additions and 25 deletions
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75
Utilities/rFile.cpp
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@ -26,13 +26,18 @@ std::unique_ptr<wchar_t> ConvertUTF8ToWChar(const std::string& source)
return buffer;
}
time_t to_time_t(const LARGE_INTEGER& ft)
{
return ft.QuadPart / 10000000ULL - 11644473600ULL;
}
time_t to_time_t(const FILETIME& ft)
{
ULARGE_INTEGER v;
LARGE_INTEGER v;
v.LowPart = ft.dwLowDateTime;
v.HighPart = ft.dwHighDateTime;
return v.QuadPart / 10000000ULL - 11644473600ULL;
return to_time_t(v);
}
bool truncate_file(const std::string& file, uint64_t length)
@ -78,17 +83,17 @@ bool truncate_file(const std::string& file, uint64_t length)
bool get_file_info(const std::string& path, FileInfo& info)
{
// TODO: Expand relative paths?
info.fullName = path;
info.name = path;
info.exists = false;
info.isDirectory = false;
info.isWritable = false;
info.size = 0;
#ifdef _WIN32
WIN32_FILE_ATTRIBUTE_DATA attrs;
if (!GetFileAttributesExW(ConvertUTF8ToWChar(path).get(), GetFileExInfoStandard, &attrs))
{
info.exists = false;
info.isDirectory = false;
info.isWritable = false;
info.size = 0;
return false;
}
@ -103,10 +108,6 @@ bool get_file_info(const std::string& path, FileInfo& info)
struct stat64 file_info;
if (stat64(path.c_str(), &file_info) < 0)
{
info.exists = false;
info.isDirectory = false;
info.isWritable = false;
info.size = 0;
return false;
}
@ -118,6 +119,7 @@ bool get_file_info(const std::string& path, FileInfo& info)
info.mtime = file_info.st_mtime;
info.ctime = file_info.st_ctime;
#endif
return true;
}
@ -438,6 +440,7 @@ bool rfile_t::trunc(u64 size) const
SetFilePointerEx(fd, pos, NULL, FILE_BEGIN); // set new position
SetEndOfFile(fd); // change file size
SetFilePointerEx(fd, old, NULL, FILE_BEGIN); // restore position
return true; // TODO
@ -446,6 +449,54 @@ bool rfile_t::trunc(u64 size) const
#endif
}
bool rfile_t::stat(FileInfo& info) const
{
info.name.clear(); // possibly, TODO
info.exists = false;
info.isDirectory = false;
info.isWritable = false;
info.size = 0;
#ifdef _WIN32
FILE_BASIC_INFO basic_info;
//FILE_NAME_INFO name_info;
if (!GetFileInformationByHandleEx(fd, FileBasicInfo, &basic_info, sizeof(FILE_BASIC_INFO)))
{
return false;
}
info.exists = true;
info.isDirectory = (basic_info.FileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
info.isWritable = (basic_info.FileAttributes & FILE_ATTRIBUTE_READONLY) == 0;
info.size = this->size();
info.atime = to_time_t(basic_info.LastAccessTime);
info.mtime = to_time_t(basic_info.ChangeTime);
info.ctime = to_time_t(basic_info.CreationTime);
#else
struct stat64 file_info;
if (fstat64(fd, &file_info) < 0)
{
info.exists = false;
info.isDirectory = false;
info.isWritable = false;
info.size = 0;
return false;
}
info.exists = true;
info.isDirectory = S_ISDIR(file_info.st_mode);
info.isWritable = file_info.st_mode & 0200; // HACK: approximation
info.size = file_info.st_size;
info.atime = file_info.st_atime;
info.mtime = file_info.st_mtime;
info.ctime = file_info.st_ctime;
#endif
return true;
}
bool rfile_t::close()
{
#ifdef _WIN32