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/*
* Copyright (C) 2014-2016
* Olivier Gayot <ogayot@baylibre.com>
* Bartosz Golaszewski <bgolaszewski@baylibre.com>
* Olivier Gayot <olivier.gayot@sigexec.com>
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MISC_H
#define MISC_H
#include <sys/time.h>
#define ssizeof(_foo) ((signed long)(sizeof((_foo))))
#define countof(_array) (ssizeof((_array)) / ssizeof((_array)[0]))
#define unsafe_free(_ptr) free((_ptr))
#define safe_free(_ptr) \
do { \
free((_ptr)); \
(_ptr) = NULL; \
} while (0)
#ifdef CONFIG_DEBUG
#define IF_DEBUG(...) __VA_ARGS__
#else
#define IF_DEBUG(...)
#endif
#define TV_FMT "(%d.%d)"
#define TV_PRINT(TV) (int)(TV).tv_sec, (int)(TV).tv_usec
/*
* Returns 1 if a file descriptor is ready for writing, 0 otherwise or -1
* on error.
*/
int caod_fd_wrready(int sock, struct timeval *tv);
/*
* Returns 1 if a file descriptor is ready for reading, 0 otherwise or -1
* on error.
*/
int caod_fd_rdready(int sock, struct timeval *tv);
#endif /* MISC_H */
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