From: Jeff King <peff@peff.net>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org, Stefan Beller <sbeller@google.com>
Subject: Re: [PATCH 0/2] fail compilation with strcpy
Date: Fri, 20 Jul 2018 15:18:40 -0400 [thread overview]
Message-ID: <20180720191839.GB26403@sigill.intra.peff.net> (raw)
In-Reply-To: <xmqqo9f1bupp.fsf@gitster-ct.c.googlers.com>
On Fri, Jul 20, 2018 at 11:58:10AM -0700, Junio C Hamano wrote:
> > Note that this needs to be applied on top of 022d2ac1f3 (blame: prefer
> > xsnprintf to strcpy for colors, 2018-07-13) or it will complain loudly. :)
> >
> > [1/2]: introduce "banned function" list
> > [2/2]: banned.h: mark strncpy as banned
>
> Hmph, there is no use of any banned function in hex.c, but when
> this topic is merged to 'pu', I seem to get this:
Interesting. Builds fine for me even merged to the latest push-out of
pu. But...
> $ make DEVELOPER=1 hex.o
> GIT_VERSION = 2.18.0.758.g18f90b35b8
> CC hex.o
> In file included from git-compat-util.h:1250:0,
> from cache.h:4,
> from hex.c:1:
> banned.h:14:0: error: "strncpy" redefined [-Werror]
> #define strncpy(x,y,n) BANNED(strncpy)
>
> In file included from /usr/include/string.h:630:0,
> from git-compat-util.h:165,
> from cache.h:4,
> from hex.c:1:
> /usr/include/x86_64-linux-gnu/bits/string2.h:84:0: note: this is the location of the previous definition
> # define strncpy(dest, src, n) __builtin_strncpy (dest, src, n)
I suspect it has more to do with system/libc differences between our
machines, anyway. There was discussion elsewhere in the thread about the
need to #undef before redefining. I guess this answers that question.
I'll include that in the re-roll, and you can just ignore the v1 patches
I sent for now.
-Peff
next prev parent reply other threads:[~2018-07-20 19:18 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-19 20:33 [PATCH 0/2] fail compilation with strcpy Jeff King
2018-07-19 20:39 ` [PATCH 1/2] introduce "banned function" list Jeff King
2018-07-19 21:11 ` Eric Sunshine
2018-07-19 21:27 ` Jeff King
2018-07-19 21:59 ` Eric Sunshine
2018-07-20 0:55 ` Jeff King
2018-07-19 21:15 ` Stefan Beller
2018-07-19 21:32 ` Jeff King
2018-07-19 21:47 ` Stefan Beller
2018-07-20 0:54 ` Jeff King
2018-07-19 22:46 ` Junio C Hamano
2018-07-19 23:55 ` Randall S. Becker
2018-07-20 1:08 ` Jeff King
2018-07-20 1:12 ` Jeff King
2018-07-20 9:32 ` Junio C Hamano
2018-07-20 17:45 ` Jeff King
2018-07-20 13:22 ` Theodore Y. Ts'o
2018-07-20 17:56 ` Jeff King
2018-07-20 19:03 ` Junio C Hamano
2018-07-20 12:42 ` Derrick Stolee
2018-07-20 14:41 ` Duy Nguyen
2018-07-20 17:48 ` Elijah Newren
2018-07-20 18:04 ` Jeff King
2018-07-20 18:00 ` Jeff King
2018-07-19 20:39 ` [PATCH 2/2] banned.h: mark strncpy as banned Jeff King
2018-07-19 21:12 ` Ævar Arnfjörð Bjarmason
2018-07-19 21:33 ` Jeff King
2018-07-20 18:58 ` [PATCH 0/2] fail compilation with strcpy Junio C Hamano
2018-07-20 19:18 ` Jeff King [this message]
2018-07-20 21:50 ` Junio C Hamano
2018-07-24 9:23 ` [PATCH v2 0/4] " Jeff King
2018-07-24 9:26 ` [PATCH v2 1/4] automatically ban strcpy() Jeff King
2018-07-24 17:20 ` Eric Sunshine
2018-07-26 6:58 ` Jeff King
2018-07-26 7:21 ` [PATCH v3 " Jeff King
2018-07-26 17:33 ` Junio C Hamano
2018-07-27 8:08 ` Jeff King
2018-07-27 17:34 ` Junio C Hamano
2018-07-28 9:24 ` Jeff King
2018-07-24 9:26 ` [PATCH v2 2/4] banned.h: mark strcat() as banned Jeff King
2018-07-24 9:27 ` [PATCH v2 3/4] banned.h: mark sprintf() " Jeff King
2018-07-24 9:28 ` [PATCH v2 4/4] banned.h: mark strncpy() " Jeff King
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