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Message-ID: <1431071502.3668.4.camel@inria.fr>
Date: Fri, 08 May 2015 09:51:42 +0200
From: Jens Gustedt <jens.gustedt@...ia.fr>
To: musl@...ts.openwall.com
Subject: Re: thread local should be used
Hello,
certainly not.
First of all _Thread_local is a C11 feature, out of reach for a
portable library implementation still for some years.
Then the requirement that this is a static state per function is a
fixed requirement in the standard. No way out of that.
Jens
Am Freitag, den 08.05.2015, 15:36 +0800 schrieb 罗勇刚(Yonggang Luo) :
> 218933012b1f0f052f91ac39ee5cc6daba99237d
> src/multibyte/mbrtowc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/src/multibyte/mbrtowc.c b/src/multibyte/mbrtowc.c
> index e7b3654..de8d5ae 100644
> --- a/src/multibyte/mbrtowc.c
> +++ b/src/multibyte/mbrtowc.c
> @@ -8,15 +8,15 @@
> #include <errno.h>
> #include "internal.h"
>
> +_Thread_local static mbstate_t internal_state;
> size_t mbrtowc(wchar_t *restrict wc, const char *restrict src, size_t
> n, mbstate_t *restrict st)
> {
> - static unsigned internal_state;
> unsigned c;
> const unsigned char *s = (const void *)src;
> const unsigned N = n;
> wchar_t dummy;
>
> - if (!st) st = (void *)&internal_state;
> + if (!st) st = &internal_state;
> c = *(unsigned *)st;
>
> if (!s) {
>
--
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