Mercurial > gnulib
view lib/gethrxtime.h @ 40211:5f58d2ac35ea
unistr/u8-cmp: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u8-cmp.c (u8_cmp): Don't invoke memcmp if n is zero.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Fri, 08 Mar 2019 20:38:22 +0100 |
parents | b06060465f09 |
children |
line wrap: on
line source
/* gethrxtime -- get high resolution real time Copyright (C) 2005, 2009-2019 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 <https://www.gnu.org/licenses/>. */ /* Written by Paul Eggert. */ #ifndef GETHRXTIME_H_ #define GETHRXTIME_H_ 1 #include "xtime.h" #ifndef _GL_INLINE_HEADER_BEGIN #error "Please include config.h first." #endif _GL_INLINE_HEADER_BEGIN #ifndef GETHRXTIME_INLINE # define GETHRXTIME_INLINE _GL_INLINE #endif #ifdef __cplusplus extern "C" { #endif /* Get the current time, as a count of the number of nanoseconds since an arbitrary epoch (e.g., the system boot time). Prefer a high-resolution clock that is not subject to resetting or drifting. */ #if HAVE_ARITHMETIC_HRTIME_T && HAVE_DECL_GETHRTIME # include <time.h> GETHRXTIME_INLINE xtime_t gethrxtime (void) { return gethrtime (); } # else xtime_t gethrxtime (void); #endif _GL_INLINE_HEADER_END #ifdef __cplusplus } #endif #endif