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Re: [PATCH 11 of 12] Win32: fixed ngx_fs_bsize() for symlinks

Sergey Kandaurov
February 22, 2023 11:02AM
> On 19 Feb 2023, at 21:23, Maxim Dounin <mdounin@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 <mdounin@mdounin.ru> wrote:
>>>
>>> # HG changeset patch
>>> # User Maxim Dounin <mdounin@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.

--
Sergey Kandaurov
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Subject Author Views Posted

[PATCH 00 of 12] win32 non-ASCII names support fixes

Maxim Dounin 984 January 12, 2023 04:40PM

[PATCH 03 of 12] Win32: non-ASCII directory names support in ngx_getcwd()

Maxim Dounin 235 January 12, 2023 04:40PM

Re: [PATCH 03 of 12] Win32: non-ASCII directory names support in ngx_getcwd()

Sergey Kandaurov 170 February 17, 2023 10:04AM

Re: [PATCH 03 of 12] Win32: non-ASCII directory names support in ngx_getcwd()

Maxim Dounin 223 February 19, 2023 12:24PM

Re: [PATCH 03 of 12] Win32: non-ASCII directory names support in ngx_getcwd()

Sergey Kandaurov 158 February 22, 2023 11:02AM

[PATCH 01 of 12] Win32: non-ASCII names support in autoindex (ticket #458)

Maxim Dounin 197 January 12, 2023 04:40PM

Re: [PATCH 01 of 12] Win32: non-ASCII names support in autoindex (ticket #458)

Sergey Kandaurov 167 February 17, 2023 09:40AM

Re: [PATCH 01 of 12] Win32: non-ASCII names support in autoindex (ticket #458)

Maxim Dounin 159 February 19, 2023 12:18PM

Re: [PATCH 01 of 12] Win32: non-ASCII names support in autoindex (ticket #458)

Sergey Kandaurov 161 February 22, 2023 10:40AM

[PATCH 02 of 12] Win32: non-ASCII names support in "include" with wildcards

Maxim Dounin 214 January 12, 2023 04:40PM

Re: [PATCH 02 of 12] Win32: non-ASCII names support in "include" with wildcards

Sergey Kandaurov 186 February 17, 2023 09:54AM

Re: [PATCH 02 of 12] Win32: non-ASCII names support in "include" with wildcards

Maxim Dounin 196 February 19, 2023 12:20PM

Re: [PATCH 02 of 12] Win32: non-ASCII names support in "include" with wildcards

Sergey Kandaurov 170 February 22, 2023 10:50AM

[PATCH 04 of 12] Win32: non-ASCII directory names support in ngx_create_dir()

Maxim Dounin 193 January 12, 2023 04:40PM

Re: [PATCH 04 of 12] Win32: non-ASCII directory names support in ngx_create_dir()

Sergey Kandaurov 189 February 17, 2023 10:14AM

[PATCH 05 of 12] Win32: non-ASCII directory names support in ngx_delete_dir()

Maxim Dounin 172 January 12, 2023 04:40PM

Re: [PATCH 05 of 12] Win32: non-ASCII directory names support in ngx_delete_dir()

Sergey Kandaurov 173 February 17, 2023 10:14AM

[PATCH 06 of 12] Win32: reworked ngx_win32_rename_file() to check errors

Maxim Dounin 203 January 12, 2023 04:40PM

[PATCH 07 of 12] Win32: reworked ngx_win32_rename_file() to use nginx wrappers

Maxim Dounin 177 January 12, 2023 04:40PM

[PATCH 09 of 12] Win32: non-ASCII names support in ngx_rename_file()

Maxim Dounin 229 January 12, 2023 04:40PM

[PATCH 10 of 12] Win32: non-ASCII names support in ngx_open_tempfile()

Maxim Dounin 188 January 12, 2023 04:40PM

[PATCH 08 of 12] Win32: non-ASCII names support in ngx_delete_file()

Maxim Dounin 175 January 12, 2023 04:40PM

[PATCH 12 of 12] Win32: non-ASCII names in ngx_fs_bsize(), ngx_fs_available()

Maxim Dounin 209 January 12, 2023 04:40PM

[PATCH 11 of 12] Win32: fixed ngx_fs_bsize() for symlinks

Maxim Dounin 225 January 12, 2023 04:40PM

Re: [PATCH 11 of 12] Win32: fixed ngx_fs_bsize() for symlinks

Sergey Kandaurov 169 February 17, 2023 10:18AM

Re: [PATCH 11 of 12] Win32: fixed ngx_fs_bsize() for symlinks

Maxim Dounin 174 February 19, 2023 12:24PM

Re: [PATCH 11 of 12] Win32: fixed ngx_fs_bsize() for symlinks

Sergey Kandaurov 167 February 22, 2023 11:02AM

Re: [PATCH 11 of 12] Win32: fixed ngx_fs_bsize() for symlinks

Maxim Dounin 174 February 23, 2023 01:48PM

Re: [PATCH 11 of 12] Win32: fixed ngx_fs_bsize() for symlinks

Sergey Kandaurov 172 February 24, 2023 05:42AM

Re: [PATCH 11 of 12] Win32: fixed ngx_fs_bsize() for symlinks

Sergey Kandaurov 175 March 21, 2023 07:26AM



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