init

2020-07-04 09:25:16 +03:00
commit 7a09bb0557
13 changed files with 1301 additions and 0 deletions
@@ -0,0 +1,40 @@
+#include <stdlib.h>
+
+#include "udev.h"
+
+struct udev
+{
+    int refcount;
+};
+
+UDEV_EXPORT struct udev *udev_new(void)
+{
+    struct udev *udev;
+    
+    udev = calloc(1, sizeof(struct udev));
+    return udev;
+}
+
+UDEV_EXPORT struct udev *udev_ref(struct udev *udev)
+{
+    if (!udev) {
+        return NULL;
+    }
+
+    udev->refcount++;
+    return udev;
+}
+
+UDEV_EXPORT struct udev *udev_unref(struct udev *udev)
+{
+    if (!udev) {
+        return NULL;
+    }
+
+    if (--udev->refcount > 0) {
+        return udev;
+    }
+
+    free(udev);
+    return NULL;
+}