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Diffstat (limited to 'include/timedefs.h')
| -rw-r--r-- | include/timedefs.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/include/timedefs.h b/include/timedefs.h new file mode 100644 index 0000000..08a9145 --- /dev/null +++ b/include/timedefs.h @@ -0,0 +1,143 @@ +/* + * This file has been modified for the cdrkit suite. + * + * The behaviour and appearence of the program code below can differ to a major + * extent from the version distributed by the original author(s). + * + * For details, see Changelog file distributed with the cdrkit package. If you + * received this file from another source then ask the distributing person for + * a log of modifications. + * + */ + +/* @(#)timedefs.h 1.13 05/08/22 Copyright 1996 J. Schilling */ +/* + * Generic header for users of time(), gettimeofday() ... + * + * It includes definitions for time_t, struct timeval, ... + * + * Copyright (c) 1996 J. Schilling + */ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * 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; see the file COPYING. If not, write to the Free Software + * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _TIMEDEFS_H +#define _TIMEDEFS_H + +#ifndef _MCONFIG_H +#include <mconfig.h> +#endif + +#ifndef _INCL_SYS_TYPES_H +#include <sys/types.h> /* Needed for time_t */ +#define _INCL_SYS_TYPES_H +#endif + +#ifdef TIME_WITH_SYS_TIME +# ifndef _INCL_SYS_TIME_H +# include <sys/time.h> +# define _INCL_SYS_TIME_H +# endif +# ifndef _INCL_TIME_H +# include <time.h> +# define _INCL_TIME_H +# endif +#else +#ifdef HAVE_SYS_TIME_H +# ifndef _INCL_SYS_TIME_H +# include <sys/time.h> +# define _INCL_SYS_TIME_H +# endif +#else +# ifndef _INCL_TIME_H +# include <time.h> +# define _INCL_TIME_H +# endif +#endif +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(__CYGWIN32__) || defined(__EMX__) || defined(__linux__) || defined(__DJGPP__) +/* + * Cygnus defines struct timeval in sys/time.h but not timerclear + * timerclear is defined in windows32/Sockets.h ??? + * + * EMX for OS/2 defines struct timeval in sys/time.h but not timerclear + * + * Linux defines struct timeval in sys/time.h but if __USE_BSD is not + * defined, timerclear is missing. + */ +#ifndef timerclear +#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 +#endif +#endif + +#ifndef timerclear + +#ifndef VMS +struct timeval { + long tv_sec; + long tv_usec; +}; +#endif + +struct timezone { + int tz_minuteswest; + int tz_dsttime; +}; + +#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 + +#endif + +#undef timerfix +#define timerfix1(tvp) while ((tvp)->tv_usec < 0) { \ + (tvp)->tv_sec--; \ + (tvp)->tv_usec += 1000000; \ + } + +#define timerfix2(tvp) while ((tvp)->tv_usec > 1000000) { \ + (tvp)->tv_sec++; \ + (tvp)->tv_usec -= 1000000; \ + } + +#define timerfix(tvp) do { timerfix1(tvp); timerfix2(tvp); } while (0) + +/* + * timersub() and timeradd() are defined on FreeBSD with a different + * interface (3 parameters). + */ +#undef timersub +#define timersub(tvp1, tvp2) do { \ + (tvp1)->tv_sec -= (tvp2)->tv_sec; \ + (tvp1)->tv_usec -= (tvp2)->tv_usec; \ + timerfix1(tvp1); timerfix2(tvp1); \ + } while (0) + +#undef timeradd +#define timeradd(tvp1, tvp2) do { \ + (tvp1)->tv_sec += (tvp2)->tv_sec; \ + (tvp1)->tv_usec += (tvp2)->tv_usec; \ + timerfix1(tvp1); timerfix2(tvp1); \ + } while (0) + +#ifdef __cplusplus +} +#endif + +#endif /* _TIMEDEFS_H */ |