1 files changed, 72 insertions, 0 deletions
diff --git a/usbhid-dump/src/dev.c b/usbhid-dump/src/dev.c
new file mode 100644
index 0000000..1978496
--- /dev/null
+++ b/usbhid-dump/src/dev.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * usbhid-dump - device
+ *
+ * Copyright (C) 2010 Nikolai Kondrashov <spbnick@gmail.com>
+ */
+
+#include "config.h"
+
+#include "dev.h"
+#include <assert.h>
+#include <stdlib.h>
+
+bool
+uhd_dev_valid(const uhd_dev *dev)
+{
+    return dev != NULL &&
+           dev->handle != NULL;
+}
+
+
+enum libusb_error
+uhd_dev_open(libusb_device     *lusb_dev,
+             uhd_dev          **pdev)
+{
+    enum libusb_error   err;
+    uhd_dev            *dev;
+
+    assert(lusb_dev != NULL);
+
+    dev = malloc(sizeof(*dev));
+    if (dev == NULL)
+        return LIBUSB_ERROR_NO_MEM;
+
+    dev->next       = NULL;
+
+    err = libusb_open(lusb_dev, &dev->handle);
+    if (err != LIBUSB_SUCCESS)
+    {
+        free(dev);
+        return err;
+    }
+
+    assert(uhd_dev_valid(dev));
+
+    if (pdev != NULL)
+        *pdev = dev;
+    else
+    {
+        libusb_close(dev->handle);
+        free(dev);
+    }
+
+    return LIBUSB_SUCCESS;
+}
+
+
+void
+uhd_dev_close(uhd_dev *dev)
+{
+    if (dev == NULL)
+        return;
+
+    assert(uhd_dev_valid(dev));
+
+    libusb_close(dev->handle);
+    dev->handle = NULL;
+
+    free(dev);
+}
+
+