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From: Johannes Sixt <j6t@kdbg.org>
To: Junio C Hamano <gitster@pobox.com>,
	Johannes Schindelin <johannes.schindelin@gmx.de>
Cc: "René Scharfe" <l.s.r@web.de>, git@vger.kernel.org
Subject: Re: [PATCH 2/2] nedmalloc: work around overzealous GCC 6 warning
Date: Fri, 5 Aug 2016 07:36:50 +0200	[thread overview]
Message-ID: <5ce2ec67-aa7d-0079-54fe-d73a70a46825@kdbg.org> (raw)
In-Reply-To: <xmqqk2fwyx8h.fsf@gitster.mtv.corp.google.com>

Am 05.08.2016 um 00:39 schrieb Junio C Hamano:
> @@ -955,12 +955,10 @@ void **nedpindependent_comalloc(nedpool *p, size_t elems, size_t *sizes, void **
>   */
>  char *strdup(const char *s1)
>  {
> -	char *s2 = 0;
> -	if (s1) {
> -		size_t len = strlen(s1) + 1;
> -		s2 = malloc(len);
> +	size_t len = strlen(s1) + 1;
> +	s2 = malloc(len);
> +	if (s1)

It does not make sense to check s1 for NULL when it was passed to 
strlen() earlier; strlen() does not accept NULL, either...

>  		memcpy(s2, s1, len);
> -	}
>  	return s2;
>  }
>  #endif

-- Hannes


  reply	other threads:[~2016-08-05  5:37 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-04 16:07 [PATCH 0/2] Patches to let Git build with GCC 6 and DEVELOPER=SureWhyNot Johannes Schindelin
2016-08-04 16:07 ` [PATCH 1/2] nedmalloc: fix misleading indentation Johannes Schindelin
2016-08-04 16:07 ` [PATCH 2/2] nedmalloc: work around overzealous GCC 6 warning Johannes Schindelin
2016-08-04 17:41   ` Junio C Hamano
2016-08-05 15:38     ` Johannes Schindelin
2016-08-04 21:56   ` René Scharfe
2016-08-04 22:33     ` Junio C Hamano
2016-08-04 22:39     ` Junio C Hamano
2016-08-05  5:36       ` Johannes Sixt [this message]
2016-08-05  5:40         ` Johannes Sixt
2016-08-05  6:24           ` Junio C Hamano
2016-08-05  7:42             ` Jeff King
2016-08-05 15:34       ` Johannes Schindelin
2016-08-05 16:13         ` Junio C Hamano
2016-08-06  8:19           ` Johannes Schindelin
2016-08-05 21:57         ` Junio C Hamano
2016-08-05 22:30           ` René Scharfe

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