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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
	git@vger.kernel.org, "Erik Faye-Lund" <kusmabite@gmail.com>,
	"Johannes Sixt" <j6t@kdbg.org>,
	"Antoine Pelisse" <apelisse@gmail.com>,
	"Torsten Bögershausen" <tboegi@web.de>,
	"Wataru Noguchi" <wnoguchi.0727@gmail.com>,
	"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
	"René Scharfe" <l.s.r@web.de>,
	msysGit <msysgit@googlegroups.com>
Subject: Re: [PATCH 1/2] entry.c: convert checkout_entry to use strbuf
Date: Wed, 23 Oct 2013 11:09:27 -0700	[thread overview]
Message-ID: <xmqqa9hzrh9k.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <20131023172914.GA6824@sigill.intra.peff.net> (Jeff King's message of "Wed, 23 Oct 2013 13:29:14 -0400")

Jeff King <peff@peff.net> writes:

> On Wed, Oct 23, 2013 at 07:55:06PM +0700, Nguyen Thai Ngoc Duy wrote:
> ...
>> -	memcpy(path, state->base_dir, len);
>> -	strcpy(path + len, ce->name);
>> -	len += ce_namelen(ce);
>> +	strbuf_reset(&path_buf);
>> +	strbuf_addf(&path_buf, "%.*s%s", state->base_dir_len, state->base_dir, ce->name);
>> +	path = path_buf.buf;
>> +	len = path_buf.len;
>
> This is not something you introduced, but while we are here, you may
> want to use ce->namelen, which would be a little faster than treating it
> as a string (especially for strbuf, as it can then know up front how big
> the size is).

Hmmmm, do you mean something like this on top?

diff --git a/entry.c b/entry.c
index d955af5..0d48292 100644
--- a/entry.c
+++ b/entry.c
@@ -246,7 +246,9 @@ int checkout_entry(struct cache_entry *ce,
 		return write_entry(ce, topath, state, 1);
 
 	strbuf_reset(&path_buf);
-	strbuf_addf(&path_buf, "%.*s%s", state->base_dir_len, state->base_dir, ce->name);
+	strbuf_addf(&path_buf, "%.*s%.*s",
+		    state->base_dir_len, state->base_dir,
+		    ce_namelen(ce), ce->name);
 	path = path_buf.buf;
 	len = path_buf.len;
 

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  parent reply	other threads:[~2013-10-23 18:09 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-28 21:17 [PATCH] mingw-multibyte: fix memory acces violation and path length limits Wataru Noguchi
2013-09-28 23:18 ` Johannes Schindelin
2013-09-29  2:56   ` Wataru Noguchi
2013-09-29 11:01     ` [msysGit] " Stefan Beller
2013-10-01 13:37       ` Wataru Noguchi
2013-09-30 17:00     ` René Scharfe
2013-09-30 21:02       ` Erik Faye-Lund
2013-10-01 13:35       ` Wataru Noguchi
2013-10-02 22:26         ` Wataru Noguchi
2013-10-03 17:25           ` Antoine Pelisse
2013-10-03 17:36             ` Erik Faye-Lund
2013-10-05 11:39               ` Wataru Noguchi
2013-10-19 10:52               ` [PATCH] Prevent buffer overflows when path is too big Antoine Pelisse
2013-10-20  5:47                 ` Torsten Bögershausen
2013-10-20  6:05                   ` [msysGit] " Ondřej Bílka
2013-10-20  6:27                     ` Torsten Bögershausen
2013-10-20  7:39                       ` [msysGit] " Ondřej Bílka
2013-10-20 10:33                   ` Duy Nguyen
2013-10-20 17:57                     ` Antoine Pelisse
2013-10-21  1:31                       ` Duy Nguyen
2013-10-21 19:02                         ` Johannes Sixt
2013-10-21 19:07                           ` Erik Faye-Lund
2013-10-21 19:14                             ` Jeff King
2013-10-21 19:32                               ` Jeff King
2013-10-23 12:55                                 ` [PATCH 1/2] entry.c: convert checkout_entry to use strbuf Nguyễn Thái Ngọc Duy
2013-10-23 12:55                                   ` [PATCH 2/2] entry.c: convert write_entry " Nguyễn Thái Ngọc Duy
2013-10-23 17:52                                     ` Junio C Hamano
2013-10-24  1:23                                       ` Duy Nguyen
2013-10-24 19:49                                         ` Junio C Hamano
2013-10-24 23:47                                           ` Duy Nguyen
2013-10-23 12:58                                   ` [PATCH 1/2] entry.c: convert checkout_entry " Antoine Pelisse
2013-10-23 13:04                                     ` Duy Nguyen
2013-10-23 13:06                                       ` Antoine Pelisse
2013-10-23 17:29                                   ` Jeff King
2013-10-23 17:34                                     ` Erik Faye-Lund
2013-10-23 17:52                                       ` Jeff King
2013-10-23 18:09                                     ` Junio C Hamano [this message]
2013-10-23 18:10                                       ` Jeff King
2013-10-24  1:55                                   ` [PATCH v2] " Nguyễn Thái Ngọc Duy
2013-10-23 12:55                           ` [PATCH] Prevent buffer overflows when path is too big Duy Nguyen
2013-11-26 18:39                             ` [PATCH] Prevent buffer overflows when path is too long Antoine Pelisse
2013-11-26 19:50                               ` Junio C Hamano
2013-11-29 12:12                                 ` Antoine Pelisse
2013-12-14 11:31                                 ` Antoine Pelisse

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