truncate: use O_WRONLY|O_NONBLOCK

This matches coreutils behavior. We don't read the fd, and truncation does not need blocking. Signed-off-by: Mike Frysinger <[email protected]>
SocalDom · Jan 13, 2016 · 6a70db8 · 6a70db8
1 parent e111a16
commit 6a70db8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/coreutils/truncate.c b/coreutils/truncate.c
@@ -40,7 +40,7 @@ int truncate_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int truncate_main(int argc UNUSED_PARAM, char **argv)
 {
 	unsigned opts;
-	int flags = O_RDWR;
+	int flags = O_WRONLY | O_NONBLOCK;
 	int ret = EXIT_SUCCESS;
 	char *size_str;
 	off_t size;