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From: Ramsay Jones <ramsay@ramsayjones•plus.com>
To: Jeff King <peff@peff•net>, Elia Pinto <gitter.spiros@gmail•com>
Cc: git@vger•kernel.org
Subject: Re: [PATCH 03/10] builtin/tag.c: convert trivial snprintf calls to xsnprintf
Date: Fri, 3 Jun 2016 16:37:52 +0100	[thread overview]
Message-ID: <5751A450.4040702@ramsayjones.plus.com> (raw)
In-Reply-To: <20160603085231.GB28401@sigill.intra.peff.net>



On 03/06/16 09:52, Jeff King wrote:
> On Fri, Jun 03, 2016 at 07:47:17AM +0000, Elia Pinto wrote:
> 
>>  builtin/tag.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/builtin/tag.c b/builtin/tag.c
>> index 50e4ae5..0345ca3 100644
>> --- a/builtin/tag.c
>> +++ b/builtin/tag.c
>> @@ -225,7 +225,7 @@ static void create_tag(const unsigned char *object, const char *tag,
>>  	if (type <= OBJ_NONE)
>>  	    die(_("bad object type."));
>>  
>> -	header_len = snprintf(header_buf, sizeof(header_buf),
>> +	header_len = xsnprintf(header_buf, sizeof(header_buf),
>>  			  "object %s\n"
>>  			  "type %s\n"
>>  			  "tag %s\n"
> 
> This is another of my "type 2" cases. I'd argue it should be using a
> heap buffer to handle tag and tagger names of arbitrary size.

Yep. As it stands, the code following this hunk:

        if (header_len > sizeof(header_buf) - 1)
                die(_("tag header too big."));

is now dead code, and the new error message is not as useful.

ATB,
Ramsay Jones

  reply	other threads:[~2016-06-03 15:38 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-03  7:47 [PATCH 01/10] builtin/commit.c: convert trivial snprintf calls to xsnprintf Elia Pinto
2016-06-03  7:47 ` [PATCH 02/10] builtin/index-pack.c: " Elia Pinto
2016-06-03  8:53   ` Jeff King
2016-06-03 15:32     ` Ramsay Jones
2016-06-03 17:10       ` Jeff King
2016-06-03  7:47 ` [PATCH 03/10] builtin/tag.c: " Elia Pinto
2016-06-03  8:52   ` Jeff King
2016-06-03 15:37     ` Ramsay Jones [this message]
2016-06-03  7:47 ` [PATCH 04/10] combine-diff.c: " Elia Pinto
2016-06-03  8:54   ` Jeff King
2016-06-03  7:47 ` [PATCH 05/10] compat/inet_ntop.c: " Elia Pinto
2016-06-03  7:47 ` [PATCH 06/10] diff.c: " Elia Pinto
2016-06-03  9:03   ` Jeff King
2016-06-03  7:47 ` [PATCH 07/10] fast-import.c: " Elia Pinto
2016-06-03  7:47 ` [PATCH 08/10] refs.c: " Elia Pinto
2016-06-03  7:47 ` [PATCH 09/10] transport-helper.c: " Elia Pinto
2016-06-03  7:47 ` [PATCH 10/10] wrapper.c: " Elia Pinto
2016-06-03  9:13   ` Jeff King
2016-06-03  8:49 ` [PATCH 01/10] builtin/commit.c: " Jeff King
2016-06-03  9:04   ` Jeff King
2016-06-03 15:25   ` Ramsay Jones

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