1 files changed, 13 insertions, 8 deletions

diff --git a/coreutils/tail.c b/coreutils/tail.c
index 80a66fbf5..49f1bcd6a 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -42,20 +42,25 @@ static const struct suffix_mult tail_suffixes[] = {
 
 static int status;
 
-static void tail_xprint_header(const char *fmt, const char *filename)
+static void tail_xbb_full_write(const char *buf, size_t len)
 {
-        /* If we get an output error, there is really no sense in continuing. */
-        if (dprintf(STDOUT_FILENO, fmt, filename) < 0) {
+        /* If we get a write error, there is really no sense in continuing. */
+        if (full_write(STDOUT_FILENO, buf, len) < 0)
                 bb_perror_nomsg_and_die();
-        }
 }
 
-/* len should probably be size_t */
-static void tail_xbb_full_write(const char *buf, size_t len)
+static void tail_xprint_header(const char *fmt, const char *filename)
 {
-        /* If we get a write error, there is really no sense in continuing. */
-        if (full_write(STDOUT_FILENO, buf, len) < 0)
+#if defined __GLIBC__
+        if (dprintf(STDOUT_FILENO, fmt, filename) < 0) {
                 bb_perror_nomsg_and_die();
+        }
+#else
+        int hdr_len = strlen(fmt) + strlen(filename);
+        char *hdr = xzalloc(hdr_len);
+        sprintf(hdr, filename, filename);
+        tail_xbb_full_write(hdr, hdr_len);
+#endif
 }
 
 static ssize_t tail_read(int fd, char *buf, size_t count)