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From: Ramsay Jones <ramsay@ramsayjones.plus.com>
To: Brandon Williams <bmwill@google.com>, Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org, sbeller@google.com, peff@peff.net,
	jacob.keller@gmail.com
Subject: Re: [PATCH] real_path: make real_path thread-safe
Date: Wed, 7 Dec 2016 01:12:25 +0000	[thread overview]
Message-ID: <b73e61f8-0cff-b33e-118a-e530d367c94c@ramsayjones.plus.com> (raw)
In-Reply-To: <20161207001018.GD103573@google.com>



On 07/12/16 00:10, Brandon Williams wrote:
> On 12/06, Junio C Hamano wrote:
>> POSIX cares about treating "//" at the very beginning of the path
>> specially.  Is that supposed to be handled here, or by a lot higher
>> level up in the callchain?
> 
> What exactly does "//" mean in this context? (I'm just naive in this
> area)

This refers to a UNC path (ie Universal Naming Convention) which
is used to refer to servers, printers and other 'network resources'.
Although this started (many moons ago) in unix, it isn't used too
much outside of windows networks! (where it is usually denoted by
\\servername\path).

You can see the relics of unix UNC paths if you look at the wording
for basename() in the POSIX standard. Note the special treatment of
the path which 'is exactly "//"', see http://pubs.opengroup.org/onlinepubs/009695399/functions/basename.html

ATB,
Ramsay Jones

  reply	other threads:[~2016-12-07  1:12 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-05 18:58 [PATCH] making real_path thread-safe Brandon Williams
2016-12-05 18:58 ` [PATCH] real_path: make " Brandon Williams
2016-12-05 19:57   ` Stefan Beller
2016-12-05 20:12     ` Brandon Williams
2016-12-05 20:38       ` Stefan Beller
2016-12-05 20:14   ` Stefan Beller
2016-12-05 20:16     ` Brandon Williams
2016-12-08  9:41       ` Duy Nguyen
2016-12-08 17:50         ` Brandon Williams
2016-12-06 23:44   ` Junio C Hamano
2016-12-07  0:10     ` Brandon Williams
2016-12-07  1:12       ` Ramsay Jones [this message]
2016-12-07 20:14         ` Torsten Bögershausen
2016-12-07 20:32           ` Junio C Hamano
2016-12-07 22:13             ` Brandon Williams
2016-12-08  7:55               ` Torsten Bögershausen
2016-12-08 18:41                 ` Johannes Sixt
2016-12-08 19:02                   ` Brandon Williams
2016-12-07 20:43       ` Johannes Sixt
2016-12-07 22:29         ` Brandon Williams
2016-12-08 11:32           ` Johannes Sixt
2016-12-08 16:54             ` Junio C Hamano
2016-12-08 23:58 ` [PATCH v2 0/4] road to reentrant real_path Brandon Williams
2016-12-08 23:58   ` [PATCH v2 1/4] real_path: resolve symlinks by hand Brandon Williams
2016-12-09  1:49     ` Jacob Keller
2016-12-09 14:33     ` Johannes Sixt
2016-12-09 20:04       ` Brandon Williams
2016-12-08 23:58   ` [PATCH v2 2/4] real_path: convert real_path_internal to strbuf_realpath Brandon Williams
2016-12-08 23:58   ` [PATCH v2 3/4] real_path: create real_pathdup Brandon Williams
2016-12-09 14:35     ` Johannes Sixt
2016-12-08 23:58   ` [PATCH v2 4/4] real_path: have callers use real_pathdup and strbuf_realpath Brandon Williams
2016-12-09 12:33   ` [PATCH v2 0/4] road to reentrant real_path Duy Nguyen
2016-12-09 19:42     ` Brandon Williams
2016-12-10 11:02       ` Duy Nguyen
2016-12-12 18:16   ` [PATCH v3 " Brandon Williams
2016-12-12 18:16     ` [PATCH v3 1/4] real_path: resolve symlinks by hand Brandon Williams
2016-12-12 22:19       ` Junio C Hamano
2016-12-12 22:50         ` Brandon Williams
2016-12-12 23:32           ` Junio C Hamano
2016-12-12 18:16     ` [PATCH v3 2/4] real_path: convert real_path_internal to strbuf_realpath Brandon Williams
2016-12-12 22:20       ` Junio C Hamano
2016-12-12 18:16     ` [PATCH v3 3/4] real_path: create real_pathdup Brandon Williams
2016-12-12 22:25       ` Junio C Hamano
2016-12-12 18:16     ` [PATCH v3 4/4] real_path: have callers use real_pathdup and strbuf_realpath Brandon Williams
2016-12-12 22:26       ` Junio C Hamano
2016-12-12 23:47         ` Junio C Hamano
2016-12-12 23:58           ` Stefan Beller
2016-12-13  1:15             ` Brandon Williams
2016-12-13  6:39               ` Junio C Hamano
2016-12-21 21:51     ` [PATCH bw/realpath-wo-chdir] real_path: canonicalize directory separators in root parts Johannes Sixt
2016-12-21 22:33       ` Brandon Williams
2016-12-22  6:07         ` Johannes Sixt
2016-12-22 17:33           ` Brandon Williams
2016-12-22 18:54             ` Johannes Sixt
2016-12-22 19:33             ` Junio C Hamano
2017-01-03 19:09     ` [PATCH v4 0/5] road to reentrant real_path Brandon Williams
2017-01-03 19:09       ` [PATCH v4 1/5] real_path: resolve symlinks by hand Brandon Williams
2017-01-03 19:09       ` [PATCH v4 2/5] real_path: convert real_path_internal to strbuf_realpath Brandon Williams
2017-01-03 19:09       ` [PATCH v4 3/5] real_path: create real_pathdup Brandon Williams
2017-01-03 19:09       ` [PATCH v4 4/5] real_path: have callers use real_pathdup and strbuf_realpath Brandon Williams
2017-01-04  1:07         ` Jacob Keller
2017-01-04 18:14           ` Brandon Williams
2017-01-03 19:09       ` [PATCH v4 5/5] real_path: canonicalize directory separators in root parts Brandon Williams
2017-01-04  0:48       ` [PATCH v4 0/5] road to reentrant real_path Jeff King
2017-01-04  6:56         ` Torsten Bögershausen
2017-01-04  7:01           ` Jeff King
2017-01-04 18:13             ` Brandon Williams
2017-01-04 18:22               ` Stefan Beller
2017-01-04 21:46                 ` Jacob Keller
2017-01-04 21:55                   ` Brandon Williams
2017-01-04 22:01       ` [PATCH v5 " Brandon Williams
2017-01-04 22:01         ` [PATCH v5 1/5] real_path: resolve symlinks by hand Brandon Williams
2017-01-04 22:01         ` [PATCH v5 2/5] real_path: convert real_path_internal to strbuf_realpath Brandon Williams
2017-01-04 22:01         ` [PATCH v5 3/5] real_path: create real_pathdup Brandon Williams
2017-01-04 22:01         ` [PATCH v5 4/5] real_path: have callers use real_pathdup and strbuf_realpath Brandon Williams
2017-01-04 22:01         ` [PATCH v5 5/5] real_path: canonicalize directory separators in root parts Brandon Williams
2017-01-08  3:09         ` [PATCH v5 0/5] road to reentrant real_path Junio C Hamano
2017-01-09 18:04           ` Brandon Williams
2017-01-09 18:18             ` Junio C Hamano
2017-01-09 18:24               ` Brandon Williams
2017-01-09 19:26                 ` Junio C Hamano
2017-01-09 18:50               ` [PATCH 1/2] real_path: prevent redefinition of MAXSYMLINKS Brandon Williams
2017-01-09 18:50                 ` [PATCH 2/2] real_path: set errno when max number of symlinks is exceeded Brandon Williams

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