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premiere-libtorrent
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same thing but for windows (except checking if the file is fully allocated)

This commit is contained in:
Arvid Norberg 2010-03-06 20:47:44 +00:00
parent 247bd9256d
commit ad5b0497c3
1 changed files with 21 additions and 7 deletions
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28
src/file.cpp
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@ -1448,13 +1448,32 @@ namespace libtorrent
#ifdef TORRENT_WINDOWS
LARGE_INTEGER offs;
offs.QuadPart = s;
if (SetFilePointerEx(m_file_handle, offs, &offs, FILE_BEGIN) == FALSE)
LARGE_INTEGER cur_size;
if (GetFileSizeEx(m_file_handle, cur_size) == FALSE)
{
ec.assign(GetLastError(), get_system_category());
return false;
}
offs.QuadPart = s;
// only set the file size if it's not already at
// the right size. We don't want to update the
// modification time if we don't have to
if (cur_size.QuadPart != s)
{
if (SetFilePointerEx(m_file_handle, offs, &offs, FILE_BEGIN) == FALSE)
{
ec.assign(GetLastError(), get_system_category());
return false;
}
if (::SetEndOfFile(m_file_handle) == FALSE)
{
ec.assign(GetLastError(), get_system_category());
return false;
}
}
#if _WIN32_WINNT >= 0x501
// TODO: again, only allocate the space if the file
// is not fully allocated
if ((m_open_mode & sparse) == 0)
{
// if the user has permissions, avoid filling
@ -1463,11 +1482,6 @@ namespace libtorrent
SetFileValidData(m_file_handle, offs.QuadPart);
}
#endif
if (::SetEndOfFile(m_file_handle) == FALSE)
{
ec.assign(GetLastError(), get_system_category());
return false;
}
#else
struct stat st;
if (fstat(m_fd, &st) != 0)