Comment that optional_fields is never NULL

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
snapcore · Sep 8, 2016 · d20bc45 · d20bc45
1 parent e6ce2f9
commit d20bc45
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/mountinfo.c b/src/mountinfo.c
@@ -235,6 +235,7 @@ static struct mountinfo_entry *parse_mountinfo_entry(const char *line)
 	if ((entry->mount_opts = parse_next_string_field()) == NULL)
 		goto fail;
 	entry->optional_fields = &entry->line_buf[0] + total_used++;
+	// NOTE: This ensure s that optional_fields is never NULL.
 	strcpy(entry->optional_fields, "");
 	for (;;) {
 		char *opt_field = parse_next_string_field();