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From: David Gibson <david@gibson.dropbear.id.au>
To: Kevin Locke <kevin@kevinlocke.name>
Cc: ccan@lists.ozlabs.org
Subject: Re: [PATCH v2 10/13] configurator: Fix warning in HAVE_FOR_LOOP_DECLARATION
Date: Tue, 27 Sep 2016 15:10:11 +1000	[thread overview]
Message-ID: <20160927051011.GP30322@umbus.fritz.box> (raw)
In-Reply-To: <9ea3d4767d9c89fad47facb5d51f4b7b9ccd813f.1474600863.git.kevin@kevinlocke.name>


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On Thu, Sep 22, 2016 at 09:33:13PM -0600, Kevin Locke wrote:
> Visual C++ prints "warning C4702: unreachable code" due to the return
> statement after the for loop which is never reached.  Fix this by
> setting a variable returned by a single return statement at the end.
> 
> Signed-off-by: Kevin Locke <kevin@kevinlocke.name>

Applying.

> ---
>  tools/configurator/configurator.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/configurator/configurator.c b/tools/configurator/configurator.c
> index d3e01cd..a43061b 100644
> --- a/tools/configurator/configurator.c
> +++ b/tools/configurator/configurator.c
> @@ -222,8 +222,9 @@ static struct test tests[] = {
>  	  "	return sizeof(off_t) == 8 ? 0 : 1;\n"
>  	  "}\n" },
>  	{ "HAVE_FOR_LOOP_DECLARATION", INSIDE_MAIN, NULL, NULL,
> -	  "for (int i = 0; i < argc; i++) { return 0; };\n"
> -	  "return 1;" },
> +	  "int ret = 1;\n"
> +	  "for (int i = 0; i < argc; i++) { ret = 0; };\n"
> +	  "return ret;" },
>  	{ "HAVE_FLEXIBLE_ARRAY_MEMBER", OUTSIDE_MAIN, NULL, NULL,
>  	  "struct foo { unsigned int x; int arr[]; };" },
>  	{ "HAVE_GETPAGESIZE", DEFINES_FUNC, NULL, NULL,

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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  reply	other threads:[~2016-09-27  5:20 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-19  0:51 [PATCH 0/9] configurator: Support for Windows and MSVC Kevin Locke
2016-09-19  0:51 ` [PATCH 1/9] configurator: Replace unlink with remove Kevin Locke
2016-09-20  4:50   ` David Gibson
2016-09-19  0:51 ` [PATCH 2/9] configurator: Reimplement run using popen Kevin Locke
2016-09-20  5:00   ` David Gibson
2016-09-20  6:22     ` Kevin Locke
2016-09-20 13:28       ` David Gibson
2016-09-19  0:52 ` [PATCH 3/9] configurator: Inline err.h functions from musl libc Kevin Locke
2016-09-20  5:03   ` David Gibson
2016-09-27  6:11     ` Rusty Russell
2016-09-19  0:52 ` [PATCH 4/9] configurator: Use native directory separator Kevin Locke
2016-09-20  5:04   ` David Gibson
2016-09-19  0:52 ` [PATCH 5/9] configurator: Mark non-Windows tests MAY_NOT_COMPILE Kevin Locke
2016-09-20  5:06   ` David Gibson
2016-09-19  0:52 ` [PATCH 6/9] configurator: Print test source without cat Kevin Locke
2016-09-20  5:09   ` David Gibson
2016-09-19  0:52 ` [PATCH 7/9] configurator: Fix compiler warning with compare Kevin Locke
2016-09-20  5:09   ` David Gibson
2016-09-19  0:52 ` [PATCH 8/9] configurator: Pass output cflag to configurator Kevin Locke
2016-09-20  5:23   ` David Gibson
2016-09-20  6:22     ` Kevin Locke
2016-09-20 13:32       ` David Gibson
2016-09-19  0:52 ` [PATCH 9/9] configurator: DEFAULT_{COMPILER, FLAGS} for MSVC Kevin Locke
2016-09-20  4:48 ` [PATCH 0/9] configurator: Support for Windows and MSVC David Gibson
2016-09-20  6:21   ` Kevin Locke
2016-09-20 12:25     ` David Gibson
2016-09-20 14:16       ` Daniel Burke
2016-09-22  2:00         ` David Gibson
2016-09-23  3:33 ` [PATCH v2 00/13] " Kevin Locke
2016-09-23  3:33   ` [PATCH v2 01/13] configurator: Replace unlink with remove Kevin Locke
2016-09-27  4:50     ` David Gibson
2016-09-23  3:33   ` [PATCH v2 02/13] configurator: Reimplement run using popen Kevin Locke
2016-09-27  4:52     ` David Gibson
2016-09-28  5:29       ` [PATCH v3 2/13] " Kevin Locke
2016-09-23  3:33   ` [PATCH v2 03/13] configurator: Inline err.h functions from musl libc Kevin Locke
2016-09-27  5:01     ` David Gibson
2016-09-28  5:35       ` [PATCH v3 3/13] configurator: Inline err.h functions Kevin Locke
2016-09-23  3:33   ` [PATCH v2 04/13] configurator: Use native directory separator Kevin Locke
2016-09-27  5:05     ` David Gibson
2016-09-23  3:33   ` [PATCH v2 05/13] configurator: Mark non-Windows tests MAY_NOT_COMPILE Kevin Locke
2016-09-27  5:05     ` David Gibson
2016-09-23  3:33   ` [PATCH v2 06/13] configurator: Print test source without cat Kevin Locke
2016-09-27  5:06     ` David Gibson
2016-09-28  5:38       ` Kevin Locke
2016-09-23  3:33   ` [PATCH v2 07/13] configurator: Fix compiler warning with compare Kevin Locke
2016-09-27  5:09     ` David Gibson
2016-09-23  3:33   ` [PATCH v2 08/13] configurator: Add output cflag option and macro Kevin Locke
2016-09-27  5:17     ` David Gibson
2016-09-23  3:33   ` [PATCH v2 09/13] configurator: DEFAULT_{COMPILER, FLAGS} for MSVC Kevin Locke
2016-09-27  5:17     ` David Gibson
2016-09-23  3:33   ` [PATCH v2 10/13] configurator: Fix warning in HAVE_FOR_LOOP_DECLARATION Kevin Locke
2016-09-27  5:10     ` David Gibson [this message]
2016-09-23  3:33   ` [PATCH v2 11/13] configurator: Return pointer difference as ptrdiff_t Kevin Locke
2016-09-27  5:10     ` David Gibson
2016-09-23  3:33   ` [PATCH v2 12/13] Makefile: Define CFLAGS_FORCE_C_SOURCE macro Kevin Locke
2016-09-27  5:18     ` David Gibson
2016-09-27  6:18       ` Rusty Russell
2016-09-28  2:01         ` David Gibson
2016-10-26  2:49           ` Rusty Russell
2016-09-23  3:33   ` [PATCH v2 13/13] Add appveyor.yml Kevin Locke
2016-09-27  5:20     ` David Gibson
2016-09-28  6:01       ` [PATCH v3 " Kevin Locke
2016-09-27  5:23   ` [PATCH v2 00/13] configurator: Support for Windows and MSVC David Gibson
2016-09-27  6:20     ` Rusty Russell
2016-09-28  6:32       ` Kevin Locke
2016-09-28  6:28     ` Kevin Locke
2016-09-29  0:21       ` David Gibson
2016-09-29  0:44         ` [PATCH v3 0/7] " Kevin Locke
2016-09-29  0:44           ` [PATCH v3 1/7] configurator: Reimplement run using popen Kevin Locke
2016-09-29  0:44           ` [PATCH v3 2/7] configurator: Inline err.h functions Kevin Locke
2016-09-29  0:44           ` [PATCH v3 3/7] configurator: Print test source without cat Kevin Locke
2016-09-29  0:44           ` [PATCH v3 4/7] configurator: Add output cflag option and macro Kevin Locke
2016-09-29  0:44           ` [PATCH v3 5/7] configurator: DEFAULT_{COMPILER, FLAGS} for MSVC Kevin Locke
2016-09-29  0:44           ` [PATCH v3 6/7] Makefile: Define CFLAGS_FORCE_C_SOURCE macro Kevin Locke
2016-09-29  0:44           ` [PATCH v3 7/7] Add appveyor.yml Kevin Locke
2016-09-30 15:08           ` [PATCH v3 0/7] configurator: Support for Windows and MSVC David Gibson
2016-10-03  3:14             ` Kevin Locke
2016-12-02 20:23               ` AppVeyor custom Git URL support (was Re: [PATCH v3 0/7] configurator: Support for Windows and MSVC) Kevin Locke

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