On Mon, Feb 25, 2002 at 12:49:39AM +0000, John William wrote: >From: "John William" <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Readdir() bug? >Date: Mon, 25 Feb 2002 00:49:39 > >I have a program that behaves differently on Linux and Cygwin. I'm >using version 1.3.9 of the DLL. > >The program tries to list all files in a directory by doing opendir(), >then readdir() until all the entries have been read and then >closedir(). That works fine, but the time between the opendir() and >the closedir() can be considerable. > >On Linux, if any files are added to the directory after the opendir(), >they will not be enumerated by readdir(). On Cygwin, they are (they >can appear in > >the middle of the file list or at the end - presumably wherever the new >file > >happened to end up in the directory's file order). > >I am assuming that the Linux behavour is correct. Cygwin causes the >program in question to break because it can modify files and copy them >back into the > >original directory (with a copy followed by a rename to replace the >original > >file) so readdir() never hits the end of the file list because it keeps >seeing the newly added files. > >Any help or comments would be appreciated. Thanks.
>From the Single UNIX (R) Specification, Version 2: http://www.opengroup.org/onlinepubs/007908799/xsh/readdir.html If a file is removed from or added to the directory after the most recent call to opendir() or rewinddir(), whether a subsequent call to readdir() returns an entry for that file is unspecified. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
