From: Alan Cox <alan@etchedpixels.co.uk>
Date: Wed, 21 Oct 2015 20:53:41 +0000 (+0100)
Subject: libc: add  new swab.c file
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=86272bba7f74884f9e82e0207d7147f674fae796;p=FUZIX.git

libc: add  new swab.c file
---

diff --git a/Library/libs/swab.c b/Library/libs/swab.c
new file mode 100644
index 00000000..17f7235b
--- /dev/null
+++ b/Library/libs/swab.c
@@ -0,0 +1,13 @@
+#include <unistd.h>
+
+void swab(const void *from, void *to, ssize_t n)
+{
+  const uint8_t *f = from;
+  uint8_t *t = to;
+  n >>= 1;
+  while(n--) {
+    *t++ = f[1];
+    *t++ = *f;
+    f += 2;
+  }
+}