// distribution boxbackup-0.10 (svn version: 494)
//  
// Copyright (c) 2003 - 2006
//      Ben Summers and contributors.  All rights reserved.
//  
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
// 3. All use of this software and associated advertising materials must 
//    display the following acknowledgment:
//        This product includes software developed by Ben Summers.
// 4. The names of the Authors may not be used to endorse or promote
//    products derived from this software without specific prior written
//    permission.
// 
// [Where legally impermissible the Authors do not disclaim liability for 
// direct physical injury or death caused solely by defects in the software 
// unless it is modified by a third party.]
// 
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//  
//  
//  
// --------------------------------------------------------------------------
//
// File
//		Name:    FileModificationTime.h
//		Purpose: Function for getting file modification time.
//		Created: 2003/08/28
//
// --------------------------------------------------------------------------

#ifndef FILEMODIFICATIONTIME__H
#define FILEMODIFICATIONTIME__H

#include <sys/stat.h>

#include "BoxTime.h"

inline box_time_t FileModificationTime(struct stat &st)
{
#ifndef HAVE_STRUCT_STAT_ST_MTIMESPEC
	box_time_t datamodified = ((int64_t)st.st_mtime) * (MICRO_SEC_IN_SEC_LL);
#else
	box_time_t datamodified = (((int64_t)st.st_mtimespec.tv_nsec) / NANO_SEC_IN_USEC_LL)
			+ (((int64_t)st.st_mtimespec.tv_sec) * (MICRO_SEC_IN_SEC_LL));
#endif
	
	return datamodified;
}

inline box_time_t FileAttrModificationTime(struct stat &st)
{
#ifndef HAVE_STRUCT_STAT_ST_MTIMESPEC
	box_time_t statusmodified = ((int64_t)st.st_ctime) * (MICRO_SEC_IN_SEC_LL);
#else
	box_time_t statusmodified = (((int64_t)st.st_ctimespec.tv_nsec) / NANO_SEC_IN_USEC_LL)
			+ (((int64_t)st.st_ctimespec.tv_sec) * (MICRO_SEC_IN_SEC_LL));
#endif
	
	return statusmodified;
}

inline box_time_t FileModificationTimeMaxModAndAttr(struct stat &st)
{
#ifndef HAVE_STRUCT_STAT_ST_MTIMESPEC
	box_time_t datamodified = ((int64_t)st.st_mtime) * (MICRO_SEC_IN_SEC_LL);
	box_time_t statusmodified = ((int64_t)st.st_ctime) * (MICRO_SEC_IN_SEC_LL);
#else
	box_time_t datamodified = (((int64_t)st.st_mtimespec.tv_nsec) / NANO_SEC_IN_USEC_LL)
			+ (((int64_t)st.st_mtimespec.tv_sec) * (MICRO_SEC_IN_SEC_LL));
	box_time_t statusmodified = (((int64_t)st.st_ctimespec.tv_nsec) / NANO_SEC_IN_USEC_LL)
			+ (((int64_t)st.st_ctimespec.tv_sec) * (MICRO_SEC_IN_SEC_LL));
#endif
	
	return (datamodified > statusmodified)?datamodified:statusmodified;
}

#endif // FILEMODIFICATIONTIME__H