From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Haitao Subject: [PATCH] ecvt.3: Add description of the functions are not thread-safe Date: Thu, 23 Dec 2010 17:07:29 +0800 Message-ID: <4D131151.7020409@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Michael Kerrisk Cc: linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org Hi Michael, The functions "ecvt" and "fcvt" return a string located in a static buffer which is overwritten by the next call to the functions, so they are not thread-safe. Signed-off-by: Peng Haitao --- man3/ecvt.3 | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/man3/ecvt.3 b/man3/ecvt.3 index 0bc2a4f..83f51cc 100644 --- a/man3/ecvt.3 +++ b/man3/ecvt.3 @@ -27,7 +27,7 @@ .\" Modified Sat Jul 24 19:40:39 1993 by Rik Faith (faith-+5Oa3zvhR2o3uPMLIKxrzw@public.gmane.org) .\" Modified Fri Jun 25 12:10:47 1999 by Andries Brouwer (aeb-rh8NL+sEX9E@public.gmane.org) .\" -.TH ECVT 3 2010-09-20 "" "Linux Programmer's Manual" +.TH ECVT 3 2010-12-23 "" "Linux Programmer's Manual" .SH NAME ecvt, fcvt \- convert a floating-point number to a string .SH SYNOPSIS @@ -105,6 +105,13 @@ The static string is overwritten by each call to .BR ecvt () or .BR fcvt (). +.SH ATTRIBUTES +.SS Multithreading (see pthreads(7)) +The +.BR ecvt () +and +.BR fcvt () +functions are not thread-safe. .SH "CONFORMING TO" SVr2; marked as LEGACY in POSIX.1-2001. -- 1.7.0.1 -- Best Regards, Peng Haitao -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html