From: Junio C Hamano <gitster@pobox.com>
To: Jeff Hostetler <git@jeffhostetler.com>
Cc: Johannes Schindelin via GitGitGadget <gitgitgadget@gmail.com>,
git@vger.kernel.org,
Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: Re: [PATCH 1/1] mingw: safe-guard a bit more against getenv() problems
Date: Fri, 15 Feb 2019 10:25:24 -0800 [thread overview]
Message-ID: <xmqqh8d46h9n.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <96793350-0991-6e8f-6ab2-15777e2071be@jeffhostetler.com> (Jeff Hostetler's message of "Fri, 15 Feb 2019 11:14:01 -0500")
Jeff Hostetler <git@jeffhostetler.com> writes:
>> diff --git a/compat/mingw.c b/compat/mingw.c
>> index 4276297595..8141f77189 100644
>> --- a/compat/mingw.c
>> +++ b/compat/mingw.c
>> @@ -1632,7 +1632,7 @@ int mingw_kill(pid_t pid, int sig)
>> */
>> char *mingw_getenv(const char *name)
>> {
>> -#define GETENV_MAX_RETAIN 30
>> +#define GETENV_MAX_RETAIN 64
>> static char *values[GETENV_MAX_RETAIN];
>> static int value_counter;
>> int len_key, len_value;
>>
>
> Why not use a mem_pool for this? We have that code isolated
> and re-usable now. Have mingw_getenv() copy the string into
> the pool always return the pointer from within the pool. The
> pool automatically handles allocating new blocks as necessary.
> And (if we care) we can bulk free the pool before existing.
Probably a good idea in the longer term. The patch as posted would
do for the upcoming release, though.
Thanks, both.
next prev parent reply other threads:[~2019-02-15 18:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-15 15:17 [PATCH 0/1] Safe-guard the Windows code a bit more against getenv() problems Johannes Schindelin via GitGitGadget
2019-02-15 15:17 ` [PATCH 1/1] mingw: safe-guard " Johannes Schindelin via GitGitGadget
2019-02-15 16:14 ` Jeff Hostetler
2019-02-15 18:25 ` Junio C Hamano [this message]
2019-02-18 18:57 ` Johannes Schindelin
2019-02-21 13:58 ` Jeff King
2019-02-21 13:52 ` Jeff King
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