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From: Nguyen Thai Ngoc Duy <pclouds@gmail.com>
To: Johannes Sixt <j.sixt@viscovery.net>
Cc: Junio C Hamano <gitster@pobox.com>, git@vger.kernel.org
Subject: Re: [PATCH 09/19] tree-diff.c: reserve space in "base" for pathname concatenation
Date: Tue, 14 Dec 2010 20:01:21 +0700	[thread overview]
Message-ID: <AANLkTikXvx7-Q8B_dqG5mMHGK_Rw-dFaeQdXi0zW98SD@mail.gmail.com> (raw)
In-Reply-To: <4D0728F0.9020807@viscovery.net>

On Tue, Dec 14, 2010 at 3:21 PM, Johannes Sixt <j.sixt@viscovery.net> wrote:
> Am 12/14/2010 8:43, schrieb Nguyen Thai Ngoc Duy:
>> On Tue, Dec 14, 2010 at 2:32 PM, Johannes Sixt <j.sixt@viscovery.net> wrote:
>>> Am 12/14/2010 6:32, schrieb Junio C Hamano:
>>>> Nguyen Thai Ngoc Duy <pclouds@gmail.com> writes:
>>>>
>>>>> All paths should not exceed PATH_MAX, right?
>>>>
>>>> Your PATH_MAX may be a lot shorter than the PATH_MAX on the system I
>>>> created my trees on that you are reading.
>>>
>>> And that is not just gray theory: On Windows, PATH_MAX is whopping 260
>>> characters!
>>
>> Does that mean Windows won't accept any path longer than that, or
>> PATH_MAX is defined just for fun?
>
> It is the limit for path names that we can have without MAJOR extra
> efforts. It is not a limit implied by the file system.

Just googled around and found this [1]. I'm going with strbuf so it
can be reallocated if necessary. A bit tricky because "base" can be
moved, but I think it's worth it.

[1] http://insanecoding.blogspot.com/2007/11/pathmax-simply-isnt.html
-- 
Duy

  reply	other threads:[~2010-12-14 13:01 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-13  9:46 [PATCH 00/19] nd/struct-pathspec (or pathspec unification [1]) Nguyễn Thái Ngọc Duy
2010-12-13  9:46 ` [PATCH 01/19] Add struct pathspec Nguyễn Thái Ngọc Duy
2010-12-13 17:31   ` Thiago Farina
2010-12-14 12:50     ` Nguyen Thai Ngoc Duy
2010-12-13  9:46 ` [PATCH 02/19] diff-no-index: use diff_tree_setup_paths() Nguyễn Thái Ngọc Duy
2010-12-13  9:46 ` [PATCH 03/19] pathspec: cache string length when initializing pathspec Nguyễn Thái Ngọc Duy
2010-12-13  9:46 ` [PATCH 04/19] Convert struct diff_options to use struct pathspec Nguyễn Thái Ngọc Duy
2010-12-13 19:00   ` Junio C Hamano
2010-12-14  5:02     ` Nguyen Thai Ngoc Duy
2010-12-13  9:46 ` [PATCH 05/19] tree_entry_interesting(): remove dependency on struct diff_options Nguyễn Thái Ngọc Duy
2010-12-13 19:11   ` Junio C Hamano
2010-12-13  9:46 ` [PATCH 06/19] Move tree_entry_interesting() to tree-walk.c and export it Nguyễn Thái Ngọc Duy
2010-12-13  9:46 ` [PATCH 07/19] glossary: define pathspec Nguyễn Thái Ngọc Duy
2010-12-13  9:46 ` [PATCH 08/19] pathspec: mark wildcard pathspecs from the beginning Nguyễn Thái Ngọc Duy
2010-12-13 18:09   ` Junio C Hamano
2010-12-13  9:46 ` [PATCH 09/19] tree-diff.c: reserve space in "base" for pathname concatenation Nguyễn Thái Ngọc Duy
2010-12-13 18:10   ` Junio C Hamano
2010-12-14  5:00     ` Nguyen Thai Ngoc Duy
2010-12-14  5:32       ` Junio C Hamano
2010-12-14  7:10         ` Nguyen Thai Ngoc Duy
2010-12-14  7:32         ` Johannes Sixt
2010-12-14  7:43           ` Nguyen Thai Ngoc Duy
2010-12-14  8:21             ` Johannes Sixt
2010-12-14 13:01               ` Nguyen Thai Ngoc Duy [this message]
2010-12-14 17:11                 ` Junio C Hamano
2010-12-13  9:46 ` [PATCH 10/19] tree_entry_interesting(): factor out most matching logic Nguyễn Thái Ngọc Duy
2010-12-13 18:10   ` Junio C Hamano
2010-12-13  9:46 ` [PATCH 11/19] tree_entry_interesting: support depth limit Nguyễn Thái Ngọc Duy
2010-12-13 18:10   ` Junio C Hamano
2010-12-14 14:44     ` Nguyen Thai Ngoc Duy
2010-12-13  9:46 ` [PATCH 12/19] tree_entry_interesting(): support wildcard matching Nguyễn Thái Ngọc Duy
2010-12-13 18:10   ` Junio C Hamano
2010-12-14 15:04     ` Nguyen Thai Ngoc Duy
2010-12-13  9:46 ` [PATCH 13/19] tree_entry_interesting(): optimize fnmatch when base is matched Nguyễn Thái Ngọc Duy
2010-12-13 18:10   ` Junio C Hamano
2010-12-13  9:46 ` [PATCH 14/19] Convert ce_path_match() use to match_pathspec() Nguyễn Thái Ngọc Duy
2010-12-13 19:31   ` Junio C Hamano
2010-12-14 15:14     ` Nguyen Thai Ngoc Duy
2010-12-13  9:46 ` [PATCH 15/19] pathspec: add match_pathspec_depth() Nguyễn Thái Ngọc Duy
2010-12-13 19:28   ` Junio C Hamano
2010-12-14  5:07     ` Nguyen Thai Ngoc Duy
2010-12-13  9:46 ` [PATCH 16/19] grep: convert to use struct pathspec Nguyễn Thái Ngọc Duy
2010-12-13  9:46 ` [PATCH 17/19] grep: use match_pathspec_depth() for cache/worktree grepping Nguyễn Thái Ngọc Duy
2010-12-13  9:46 ` [PATCH 18/19] grep: use preallocated buffer for grep_tree() Nguyễn Thái Ngọc Duy
2010-12-13  9:46 ` [PATCH 19/19] grep: drop pathspec_matches() in favor of tree_entry_interesting() Nguyễn Thái Ngọc Duy

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