Shaun Jackman pointed out that dprintf(STDOUT_FILENO,...) is just a printf.

1 files changed, 2 insertions, 1 deletions

diff --git a/coreutils/tail.c b/coreutils/tail.c
index e3f89d2..ef00383 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -62,7 +62,8 @@ static int status
 static void tail_xprint_header(const char *fmt, const char *filename)
 {
 	/* If we get an output error, there is really no sense in continuing. */
-	if (dprintf(STDOUT_FILENO, fmt, filename) < 0) {
+	if (printf(fmt, filename) < 0 ||
+			fflush(stdout) < 0) {
 		bb_perror_nomsg_and_die();
 	}
 }