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create missing directories on the fly

This commit is contained in:
Arvid Norberg 2011-02-12 22:00:08 +00:00
parent 4267f0ec5a
commit 7f91b8174e
1 changed files with 13 additions and 1 deletions
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14
src/storage.cpp
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@ -378,7 +378,7 @@ namespace libtorrent
bool write_resume_data(entry& rd) const; bool write_resume_data(entry& rd) const;
// this identifies a read or write operation // this identifies a read or write operation
// so that storage::readwrite() knows what to // so that storage::readwritev() knows what to
// do when it's actually touching the file // do when it's actually touching the file
struct fileop struct fileop
{ {
@ -1207,6 +1207,18 @@ ret:
error_code ec; error_code ec;
file_handle = open_file(file_iter, op.mode, ec); file_handle = open_file(file_iter, op.mode, ec);
if ((op.mode == file::read_write) && ec == boost::system::errc::no_such_file_or_directory)
{
// this means the directory the file is in doesn't exist.
// so create it
ec.clear();
std::string path = combine_path(m_save_path, files().file_path(*file_iter));
create_directories(parent_path(path), ec);
// if the directory creation failed, don't try to open the file again
// but actually just fail
if (!ec) file_handle = open_file(file_iter, op.mode, ec);
}
if (!file_handle || ec) if (!file_handle || ec)
{ {
std::string path = combine_path(m_save_path, files().file_path(*file_iter)); std::string path = combine_path(m_save_path, files().file_path(*file_iter));