Re: [Libguestfs] [PATCH 1/3] New API: case-sensitive-path to return case sensitive path on NTFS 3g fs

On Mon, Oct 26, 2009 at 11:41:22AM +0100, Jim Meyering wrote: > Richard W.M. Jones wrote: >> +char * >> +do_case_sensitive_path (const char *path) >> +{ >> + char ret[PATH_MAX+1] = "/"; >> + size_t next = 1; >> + >> + /* MUST chdir ("/") before leaving this function. */ >> + if (chdir (sysroot) == -1) { > > If this function might ever be used from a multi-threaded > application, then you'll want to change it not to use chdir, > since chdir changes the process-wide current directory. > That can cause rare but particularly hard to debug problems. This code would be much harder to write if we don't use chdir. Any suggestions on that? If there was a "readdirat" variant then that might be promising.