Hello!
On Wed, Feb 22, 2023 at 08:01:15PM +0400, Sergey Kandaurov wrote:
> > On 19 Feb 2023, at 21:23, Maxim Dounin <mdou...@mdounin.ru> wrote:
> >
> > Hello!
> >
> > On Fri, Feb 17, 2023 at 07:17:02PM +0400, Sergey Kandaurov wrote:
> >
> >>> On 13 Jan 2023, at 01:35, Maxim Dounin <mdou...@mdounin.ru> wrote:
> >>>
> >>> # HG changeset patch
> >>> # User Maxim Dounin <mdou...@mdounin.ru>
> >>> # Date 1673549010 -10800
> >>> # Thu Jan 12 21:43:30 2023 +0300
> >>> # Node ID be7eb9ec28dcbfdfd2e850befc8d051c0e4d46fd
> >>> # Parent e62c8e9724ba68a698a2c3613edca73fe4e1c4ae
> >>> Win32: fixed ngx_fs_bsize() for symlinks.
> >>>
> >>> Just a drive letter might not correctly represent file system being used,
> >>> notably when using symlinks (as created by "mklink /d"). As such, instead
> >>> of calling GetDiskFreeSpace() with just a drive letter, we now always
> >>> use GetDiskFreeSpace() with full path.
> >>>
> >>> diff -r e62c8e9724ba -r be7eb9ec28dc src/os/win32/ngx_files.c
> >>> --- a/src/os/win32/ngx_files.c Thu Jan 12 21:43:14 2023 +0300
> >>> +++ b/src/os/win32/ngx_files.c Thu Jan 12 21:43:30 2023 +0300
> >>> @@ -955,14 +955,8 @@ ngx_directio_off(ngx_fd_t fd)
> >>> size_t
> >>> ngx_fs_bsize(u_char *name)
> >>> {
> >>> - u_char root[4];
> >>> u_long sc, bs, nfree, ncl;
> >>>
> >>> - if (name[2] == ':') {
> >>> - ngx_cpystrn(root, name, 4);
> >>> - name = root;
> >>> - }
> >>> -
> >>
> >> BTW, I wonder how this condition could be true.
> >> Specifically, what name should represent in order to match.
> >> I'm happy that it's leaving though.
> >
> > I tend to think that this actually never worked, and the original
> > intention was to test name[1] instead.
> >
> > Updated commit log:
> >
> > : Win32: removed attempt to use a drive letter in ngx_fs_bsize().
> > :
> > : Just a drive letter might not correctly represent file system being used,
> > : notably when using symlinks (as created by "mklink /d"). As such, instead
> > : of trying to call GetDiskFreeSpace() with just a drive letter, we now
> > always
> > : use GetDiskFreeSpace() with full path.
> > :
> > : Further, it looks like the code to use just a drive letter never worked,
> > : since it tried to test name[2] instead of name[1] to be ':'.
> >
> > [...]
> >
>
> Looks fine, thanks.
Thanks for the review, pushed to http://mdounin.ru/hg/nginx.
--
Maxim Dounin
http://mdounin.ru/
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