From 719a359dde1af0c227095052c2ed1e5a865c54c7 Mon Sep 17 00:00:00 2001
From: alex <alex@infiniteadaptability.org>
Date: Fri, 13 May 2022 22:08:47 -0700
Subject: [PATCH] ...

---
 configure.ac |  2 +-
 inc/main.h   |  3 ++-
 src/main.c   | 37 ++++++++++++++++++++++---------------
 3 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/configure.ac b/configure.ac
index 82d2bd2..d1dc9c4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,7 +54,7 @@ AM_CONDITIONAL([ENABLE_MEMCHECK],[test x$enable_memcheck = xyes])
 AC_PROG_CC
 
 # Checks for libraries.
-AC_CHECK_LIB([udev],[udev_new])
+AC_CHECK_LIB([systemd],[sd_device_enumerator_new])
 
 # Checks for header files.
 AC_CHECK_HEADERS([stdlib.h])
diff --git a/inc/main.h b/inc/main.h
index b3ec90b..1be3181 100644
--- a/inc/main.h
+++ b/inc/main.h
@@ -3,8 +3,9 @@
 
 #include<stdio.h>
 #include<stdlib.h>
+#include<unistd.h>
 
-#include<libudev.h>
+#include<systemd/sd-device.h>
 
 int main(int,char**);
 
diff --git a/src/main.c b/src/main.c
index 5932bca..89d7fb2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,24 +1,31 @@
 #include<main.h>
 
+static int detect_usbs();
+static int on_event();
+
 int main(int argc, char **argv) {
-	struct udev *udev;
-	struct udev_monitor *monitor;
-	int fd;
+	if(detect_usbs()<0) { return EXIT_FAILURE; }
 
-	udev = udev_new();
-	if(NULL==udev) { return EXIT_FAILURE; }
-	
-	monitor = udev_monitor_new_from_netlink(udev, "udev");
-	if(NULL==monitor) { return EXIT_FAILURE; }
+	return EXIT_SUCCESS;
+}
 
-	if(udev_monitor_filter_add_match_subsystem_devtype(monitor,"block","disk")<0) { return EXIT_FAILURE; }
+static int detect_usbs() {
+	sd_device_monitor *monitor;
 
-	while(1) {
-		fd = udev_monitor_get_fd(monitor);
-		if(fd<0) { return EXIT_FAILURE; }
-	}
+	if(sd_device_monitor_new(&monitor)<0) { return -1; }
 
-	udev_unref(udev);
+	if(sd_device_monitor_filter_add_match_subsystem_devtype(monitor,"block","disk")!=0) { return -1; }
 
-	return EXIT_SUCCESS;
+	if(sd_device_monitor_filter_update(monitor)!=0) { return -1; }
+
+	if(sd_device_monitor_start(monitor,&on_event,NULL)!=0) { return -1; }
+
+	while(1) { }
+
+	return 1;
+}
+
+static int on_event(sd_device_monitor *monitor, sd_device *dev, void *userdata) {
+	printf("event?\n");
+	return -1;
 }
-- 
2.30.2