From 845037353c2db876f004f024b5b50cc18cb70a7a Mon Sep 17 00:00:00 2001 From: midipix Date: Wed, 29 Apr 2020 22:01:35 -0400 Subject: helper interfaces: tpax_stat_compare(): initial implementation. --- src/helper/tpax_stat_compare.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/helper/tpax_stat_compare.c (limited to 'src') diff --git a/src/helper/tpax_stat_compare.c b/src/helper/tpax_stat_compare.c new file mode 100644 index 0000000..afbe2f4 --- /dev/null +++ b/src/helper/tpax_stat_compare.c @@ -0,0 +1,41 @@ +/******************************************************/ +/* tpax: a topological pax implementation */ +/* Copyright (C) 2020 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.TPAX. */ +/******************************************************/ + +#include +#include +#include +#include +#include + +#include +#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; +} -- cgit v1.2.3