1 files changed, 36 insertions, 0 deletions
diff --git a/libusb/error.c b/libusb/error.c
new file mode 100644
index 0000000..f7d496d
--- /dev/null
+++ b/libusb/error.c
@@ -0,0 +1,36 @@
+/*
+ * USB Error messages
+ *
+ * Copyright (c) 2000-2001 Johannes Erdfelt <johannes@erdfelt.com>
+ *
+ * This library is covered by the LGPL, read LICENSE for details.
+ */
+
+#include <errno.h>
+#include <string.h>
+
+#include "usb.h"
+#include "error.h"
+
+char usb_error_str[1024] = "";
+int usb_error_errno = 0;
+usb_error_type_t usb_error_type = USB_ERROR_TYPE_NONE;
+
+char *usb_strerror(void)
+{
+  switch (usb_error_type) {
+  case USB_ERROR_TYPE_NONE:
+    return "No error";
+  case USB_ERROR_TYPE_STRING:
+    return usb_error_str;
+  case USB_ERROR_TYPE_ERRNO:
+    if (usb_error_errno > -USB_ERROR_BEGIN)
+      return strerror(usb_error_errno);
+    else
+      /* Any error we don't know falls under here */
+      return "Unknown error";
+  }
+
+  return "Unknown error";
+}
+