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From: yumkam@gmail.com (Yuriy M. Kaminskiy)
To: util-linux@vger.kernel.org
Subject: Re: [PATCH 06/14] newgrp: rename memset_s()
Date: Fri, 26 Feb 2016 15:29:51 +0300	[thread overview]
Message-ID: <m37fhrods0.fsf@gmail.com> (raw)
In-Reply-To: 1456455812-19453-7-git-send-email-sweet_f_a@gmx.de

Ruediger Meier <sweet_f_a@gmx.de> writes:

> From: Ruediger Meier <ruediger.meier@ga-group.nl>
>
> It's already defined in OSX standard c library.

Would not it be better to just use system-provided memset_s instead by
then? (And it is well possible glibc will provide memset_s in future
too).

> Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
> ---
>  login-utils/newgrp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/login-utils/newgrp.c b/login-utils/newgrp.c
> index 141b41b..56639d1 100644
> --- a/login-utils/newgrp.c
> +++ b/login-utils/newgrp.c
> @@ -62,7 +62,7 @@ static char *xgetpass(FILE *input, const char *prompt)
>  
>  /* Ensure memory is set to value c without compiler optimization getting
>   * into way that could happen with memset(3). */
> -static int memset_s(void *v, size_t sz, const int c)
> +static int xmemset_s(void *v, size_t sz, const int c)
>  {
>  	volatile unsigned char *p = v;
>  
> @@ -148,7 +148,7 @@ static int allow_setgid(const struct passwd *pe, const struct group *ge)
>  	if (pwd && *pwd && (xpwd = xgetpass(stdin, _("Password: ")))) {
>  		char *cbuf = crypt(xpwd, pwd);
>  
> -		memset_s(xpwd, strlen(xpwd), 0);
> +		xmemset_s(xpwd, strlen(xpwd), 0);
>  		free(xpwd);
>  		if (!cbuf)
>  			warn(_("crypt failed"));


  reply	other threads:[~2016-02-26 12:29 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-26  3:03 [PATCH 00/14] some fixes, cleanup and portability issues Ruediger Meier
2016-02-26  3:03 ` [PATCH 01/14] logger: use SCM_CREDENTIALS on LINUX only Ruediger Meier
2016-02-26  3:03 ` [PATCH 02/14] build-sys: add openat build conditional Ruediger Meier
2016-02-26  3:03 ` [PATCH 03/14] fdisk: fix warning, incompatible pointer types passing 'uint64_t *' Ruediger Meier
2016-02-26  3:03 ` [PATCH 04/14] libsmartcols: fix uninitialized variable Ruediger Meier
2016-02-26  3:03 ` [PATCH 05/14] misc: fix some includes Ruediger Meier
2016-02-26 11:37   ` Ruediger Meier
2016-02-26  3:03 ` [PATCH 06/14] newgrp: rename memset_s() Ruediger Meier
2016-02-26 12:29   ` Yuriy M. Kaminskiy [this message]
2016-02-26 12:47     ` Ruediger Meier
2016-02-26  3:03 ` [PATCH 07/14] build-sys: build_init should check for flock Ruediger Meier
2016-02-26  3:03 ` [PATCH 08/14] login-utils: minor utmp cleanup Ruediger Meier
2016-02-26  3:03 ` [PATCH 09/14] build-sys: disable login-utils if shadow.h or utmp.h is missing Ruediger Meier
2016-02-26  3:08 ` [PATCH 10/14] build-sys: add --disable-ipcrm --disable-ipcs Ruediger Meier
2016-02-26  3:08   ` [PATCH 11/14] build-sys: chrt requires a sched_set* function Ruediger Meier
2016-02-26  3:08   ` [PATCH 12/14] lib: provide mkostemp fallback function Ruediger Meier
2016-02-26 12:51     ` Yuriy M. Kaminskiy
2016-02-26 13:50       ` Ruediger Meier
2016-02-26 14:51       ` [PATCH] Proper fallback for systems that lacks O_CLOEXEC (was: [PATCH 12/14] lib: provide mkostemp fallback function) Yuriy M. Kaminskiy
2016-02-27 19:40         ` Rüdiger Meier
2016-03-07 13:50         ` Karel Zak
2016-02-27 20:02     ` [PATCH v2 12/14] lib: provide fallback if mkostemp(3) missing Ruediger Meier
2016-02-26  3:08   ` [PATCH 13/14] build-sys: remove duplicate cal sources Ruediger Meier
2016-02-26  3:08   ` [PATCH 14/14] lib: include strutils.h for mempcpy() Ruediger Meier

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