Merge branch 'nowrep:main' into main

.github/workflows/main.yml

@@ -0,0 +1,25 @@
+name: Main
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Dependencies
+      run: |
+        sudo apt update
+        sudo apt install libhidapi-dev libdbus-1-dev libudev-dev
+
+    - name: Build
+      run: make -C ${{github.workspace}}
+
+    - name: Install
+      run: sudo make -C ${{github.workspace}} install

Makefile

@@ -7,7 +7,7 @@ LIBS   += $(shell pkg-config --libs hidapi-hidraw)
 LIBS   += $(shell pkg-config --libs libudev)
 
 TARGET = dualsensectl
-VERSION = 0.3
+VERSION = 0.4
 
 ifeq ($(BUILD),debug)
 CFLAGS += -O0 -g

main.c

@@ -1257,6 +1257,11 @@ int main(int argc, char *argv[])
         argv += 2;
     }
 
+    if (argc < 2) {
+        print_help();
+        return 1;
+    }
+
     struct dualsense ds;
     if (!dualsense_init(&ds, dev_serial)) {
         return 1;