summaryrefslogtreecommitdiff
path: root/src/helper/tpax_stat_compare.c
blob: afbe2f484f6e78ae17f2b1a6503c3e5d4ec5b494 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/******************************************************/
/*  tpax: a topological pax implementation            */
/*  Copyright (C) 2020  Z. Gilboa                     */
/*  Released under GPLv2 and GPLv3; see COPYING.TPAX. */
/******************************************************/

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>

#include <tpax/tpax.h>
#include "tpax_driver_impl.h"

#define TPAX_STAT_COMPARE(member)                    \
	if (src -> member - dst -> member)            \
		return (src -> member > dst -> member) \
			? (1) : (-1)

int tpax_stat_compare(
	const struct stat * src,
	const struct stat * dst)
{
	TPAX_STAT_COMPARE(st_dev);
	TPAX_STAT_COMPARE(st_ino);

	TPAX_STAT_COMPARE(st_mode);
	TPAX_STAT_COMPARE(st_uid);
	TPAX_STAT_COMPARE(st_gid);

	TPAX_STAT_COMPARE(st_rdev);
	TPAX_STAT_COMPARE(st_size);
	TPAX_STAT_COMPARE(st_blksize);
	TPAX_STAT_COMPARE(st_blocks);

	TPAX_STAT_COMPARE(st_mtim.tv_sec);
	TPAX_STAT_COMPARE(st_mtim.tv_nsec);

	return 0;
}