was going to say check return value of rmdir and mkdir and errno.. On Tue, Dec 20, 2016 at 10:56 AM, Gustavo Sverzut Barbieri < barbi...@gmail.com> wrote:
> > the last > >> 2 ones I don't know how to fix. The issue is that I need to do a stat > >> before doing a mkdir or a rmdir and in between something could have > >> happened on those directory and would lead to an unexpected result. > >> Overall I don't think it is going to be a problem as it leads mostly to > >> a failure (Non empty directory being deleted, or creating a directory > >> that already exist), but if anyone has an idea. > > > > A good question. I was wondering about such situation in the other Time > > of check time of use defects as well. :/ > > Most of these syscalls return errors and you check for those, without > prior calls to stat(), for example mkdir -p would be implemented as > trying to create all directories from root to leaf ignoring EEXIST. > > The TOCTOU errors are basically "you're doing useless stuff since you > must check the syscall error anyway"... but are usually important if > you fail to do the error checking, believing due prior check it would > be all right. > > -- > Gustavo Sverzut Barbieri > -------------------------------------- > Mobile: +55 (16) 99354-9890 > > ------------------------------------------------------------ > ------------------ > Developer Access Program for Intel Xeon Phi Processors > Access to Intel Xeon Phi processor-based developer platforms. > With one year of Intel Parallel Studio XE. > Training and support from Colfax. > Order your platform today.http://sdm.link/intel > _______________________________________________ > enlightenment-devel mailing list > enlightenment-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel > ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today.http://sdm.link/intel _______________________________________________ enlightenment-devel mailing list enlightenment-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
