From 8324b947487f72fd8cfc439ea5ae5bd1187fff1b Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Wed, 6 May 2009 17:39:30 +0200 Subject: Exception und ThreadHandler nach Net verschoben --- lib/ignore-value.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 lib/ignore-value.h (limited to 'lib/ignore-value.h') diff --git a/lib/ignore-value.h b/lib/ignore-value.h new file mode 100644 index 0000000..5f97c91 --- /dev/null +++ b/lib/ignore-value.h @@ -0,0 +1,45 @@ +/* ignore a value to quiet a compiler warning + + Copyright (C) 2008 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Jim Meyering. */ + +#ifndef __attribute__ +# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) +# define __attribute__(x) +# endif +#endif + +/* Use this function to avoid a warning when using a function declared with + gcc's warn_unused_result attribute, but for which you really do want to + ignore the result. Traditionally, people have used a "(void)" cast to + indicate that a function's return value is deliberately unused. However, + if the function is declared with __attribute__((warn_unused_result)), + gcc issues a warning even with the cast. + + Caution: most of the time, you really should heed gcc's warning, and + check the return value. However, in those exceptional cases in which + you're sure you know what you're doing, use this function. + + For the record, here's one of the ignorable warnings: + "copy.c:233: warning: ignoring return value of 'fchown', + declared with attribute warn_unused_result". */ + +static inline void +ignore_value (int i __attribute__ ((__unused__))) +{ + /* empty */ +} -- cgit v1.2.3