Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / tools / xway-swap-bytes.c

diff --git a/qemu/roms/u-boot/tools/xway-swap-bytes.c b/qemu/roms/u-boot/tools/xway-swap-bytes.c
new file mode 100644 (file)
index 0000000..3a6d82d
--- /dev/null
+++ b/qemu/roms/u-boot/tools/xway-swap-bytes.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifndef BUFSIZ
+# define BUFSIZ 4096
+#endif
+
+#undef BUFSIZ
+# define BUFSIZ 64
+int main (void)
+{
+       short ibuff[BUFSIZ], obuff[BUFSIZ];
+       int rc, i, len;
+
+       while ((rc = read (0, ibuff, sizeof (ibuff))) > 0) {
+               memset (obuff, 0, sizeof (obuff));
+               for (i = 0; i < (rc + 1) / 2; i++) {
+                       obuff[i] = ibuff[i ^ 1];
+               }
+
+               len = (rc + 1) & ~1;
+
+               if (write (1, obuff, len) != len) {
+                       perror ("read error");
+                       return (EXIT_FAILURE);
+               }
+
+               memset (ibuff, 0, sizeof (ibuff));
+       }
+
+       if (rc < 0) {
+               perror ("read error");
+               return (EXIT_FAILURE);
+       }
+       return (EXIT_SUCCESS);
+}