1 files changed, 16 insertions, 1 deletions

diff --git a/bin/dd/dd.c b/bin/dd/dd.c
index cab621fe4ded..90ac2415ad54 100644
--- a/bin/dd/dd.c
+++ b/bin/dd/dd.c
@@ -303,6 +303,21 @@ speed_limit(void)
 }
 
 static void
+swapbytes(void *v, size_t len)
+{
+	unsigned char *p = v;
+	unsigned char t;
+
+	while (len > 1) {
+		t = p[0];
+		p[0] = p[1];
+		p[1] = t;
+		p += 2;
+		len -= 2;
+	}
+}
+
+static void
 dd_in(void)
 {
 	ssize_t n;
@@ -402,7 +417,7 @@ dd_in(void)
 				++st.swab;
 				--n;
 			}
-			swab(in.dbp, in.dbp, (size_t)n);
+			swapbytes(in.dbp, (size_t)n);
 		}
 
 		in.dbp += in.dbrcnt;