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a-cal.c
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C/C++ Source or Header
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2000-07-19
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4KB
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81 lines
/****************************************************************************/
/* */
/* GNAT COMPILER COMPONENTS */
/* */
/* G - C A L */
/* */
/* C Implementation File */
/* */
/* $Revision: 1.3 $ */
/* */
/* Copyright (C) 1992-1999, Free Software Foundation, Inc. */
/* */
/* GNAT is free software; you can redistribute it and/or modify it under */
/* terms of the GNU General Public License as published by the Free Soft- */
/* ware Foundation; either version 2, or (at your option) any later ver- */
/* sion. GNAT is distributed in the hope that it will be useful, but WITH- */
/* OUT 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 distributed with GNAT; see file COPYING. If not, write */
/* to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, */
/* MA 02111-1307, USA. */
/* */
/* As a special exception, if you link this file with other files to */
/* produce an executable, this file does not by itself cause the resulting */
/* executable to be covered by the GNU General Public License. This except- */
/* ion does not however invalidate any other reasons why the executable */
/* file might be covered by the GNU Public License. */
/* */
/* GNAT was originally developed by the GNAT team at New York University. */
/* It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). */
/* */
/****************************************************************************/
/* This file contains those routines named by Import pragmas in package */
/* GNAT.Calendar. It is used to to Duration to timeval convertion. */
/* These are simple wrappers function to abstarct the fact that the C */
/* struct timeval fields type are not normalized (they are generaly */
/* defined as int or long values). */
#if defined(VMS)
/* this is temporary code to avoid build failure under VMS */
void
__gnat_timeval_to_duration (void *t, long *sec, long *usec)
{
}
void
__gnat_duration_to_timeval (long sec, long usec, void *t)
{
}
#else
#if defined (__vxworks)
#include <sys/times.h>
#else
#include <sys/time.h>
#endif
void
__gnat_timeval_to_duration (struct timeval *t, long *sec, long *usec)
{
*sec = (long) t->tv_sec;
*usec = (long) t->tv_usec;
}
void
__gnat_duration_to_timeval (long sec, long usec, struct timeval *t)
{
/* here we are doing implicit convertion from a long to the struct timeval
fields types. */
t->tv_sec = sec;
t->tv_usec = usec;
}
#endif