edquota: Do not unnecessarily overwrite limits/times

When user doesn't edit the file with limits / grace times, there is no
need to overwrite the values in quota files. Maybe admin really wanted
to cancel the operation by not writing the file.

Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 13 insertions, 0 deletions

diff --git a/common.c b/common.c
index 8f87202..d11e602 100644
--- a/common.c
+++ b/common.c
@@ -125,3 +125,16 @@ void version(void)
 	printf(_("Compiled with:%s\n"), COMPILE_OPTS);
 	printf(_("Bugs to %s\n"), PACKAGE_BUGREPORT);
 }
+
+int timespec_cmp(struct timespec *a, struct timespec *b)
+{
+	if (a->tv_sec < b->tv_sec)
+		return -1;
+	if (a->tv_sec > b->tv_sec)
+		return 1;
+	if (a->tv_nsec < b->tv_nsec)
+		return -1;
+	if (a->tv_nsec > b->tv_nsec)
+		return 1;
+	return 0;
+}