1 files changed, 46 insertions, 0 deletions
diff --git a/libusb/core.c b/libusb/core.c
index 53c5988..a7355b5 100644
--- a/libusb/core.c
+++ b/libusb/core.c
@@ -1615,3 +1615,49 @@ void usbi_log(struct libusb_context *ctx, enum usbi_log_level level,
 	va_end (args);
 }
 
+/** \ingroup misc
+ * Returns a constant string with an English short description of the given
+ * error code. The caller should never free() the returned pointer since it
+ * points to a constant string.
+ * The returned string is encoded in ASCII form and always starts with a capital 
+ * letter and ends without any dot.
+ * \param errcode the error code whose description is desired
+ * \returns a short description of the error code in English
+ */
+const char* libusb_strerror(enum libusb_error errcode)
+{
+    switch (errcode)
+    {
+        case LIBUSB_SUCCESS:
+            return "Success";
+        case LIBUSB_ERROR_IO:
+            return "Input/output error";
+        case LIBUSB_ERROR_INVALID_PARAM:
+            return "Invalid parameter";
+        case LIBUSB_ERROR_ACCESS:
+            return "Access denied (insufficient permissions)";
+        case LIBUSB_ERROR_NO_DEVICE:
+            return "No such device (it may have been disconnected)";
+        case LIBUSB_ERROR_NOT_FOUND:
+            return "Entity not found";
+        case LIBUSB_ERROR_BUSY:
+            return "Resource busy";
+        case LIBUSB_ERROR_TIMEOUT:
+            return "Operation timed out";
+        case LIBUSB_ERROR_OVERFLOW:
+            return "Overflow";
+        case LIBUSB_ERROR_PIPE:
+            return "Pipe error";
+        case LIBUSB_ERROR_INTERRUPTED:
+            return "System call interrupted (perhaps due to signal)";
+        case LIBUSB_ERROR_NO_MEM:
+            return "Insufficient memory";
+        case LIBUSB_ERROR_NOT_SUPPORTED:
+            return "Operation not supported or unimplemented on this platform";
+        case LIBUSB_ERROR_OTHER:
+            return "Other error";
+
+        default:
+            return "Unknown error";
+    }
+}