Merge branch 'dde' into HEAD

1 files changed, 50 insertions, 0 deletions

diff --git a/libmachdev/misc.c b/libmachdev/misc.c
new file mode 100644
index 00000000..977159bd
--- /dev/null
+++ b/libmachdev/misc.c
@@ -0,0 +1,50 @@
+#include <mach.h>
+#include <device/device.h>
+
+#include <ddekit/printf.h>
+
+#include "linux-errno.h"
+
+int
+linux_to_mach_error (int err)
+{
+  switch (err)
+    {
+    case 0:
+      return D_SUCCESS;
+
+    case -EPERM:
+      return D_INVALID_OPERATION;
+
+    case -EIO:
+      return D_IO_ERROR;
+
+    case -ENXIO:
+      return D_NO_SUCH_DEVICE;
+
+    case -EACCES:
+      return D_INVALID_OPERATION;
+
+    case -EFAULT:
+      return D_INVALID_SIZE;
+
+    case -EBUSY:
+      return D_ALREADY_OPEN;
+
+    case -EINVAL:
+      return D_INVALID_SIZE;
+
+    case -EROFS:
+      return D_READ_ONLY;
+
+    case -EWOULDBLOCK:
+      return D_WOULD_BLOCK;
+
+    case -ENOMEM:
+      return D_NO_MEMORY;
+
+    default:
+      ddekit_printf ("linux_to_mach_error: unknown code %d\n", err);
+      return D_IO_ERROR;
+    }
+}