diff options
Diffstat (limited to 'lib/ignore-value.h')
-rw-r--r-- | lib/ignore-value.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/lib/ignore-value.h b/lib/ignore-value.h deleted file mode 100644 index 86cfad77b..000000000 --- a/lib/ignore-value.h +++ /dev/null @@ -1,37 +0,0 @@ -/* ignore a function return without a compiler warning - - Copyright (C) 2008-2009 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 <http://www.gnu.org/licenses/>. */ - -/* Written by Jim Meyering. */ - -/* Use these functions 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) { (void) i; } -static inline void ignore_ptr (void* p) { (void) p; } -/* FIXME: what about aggregate types? */ |