Userland: Return 1 when help text is shown for insufficient args

ArgsParser also does this, but we don't use that (yet) in a couple of
places. Fix the behaviour manually for consistency.

5 files changed, 5 insertions, 5 deletions

diff --git a/Userland/Utilities/chown.cpp b/Userland/Utilities/chown.cpp
index 7f29202d1f..a3e69dacde 100644
--- a/Userland/Utilities/chown.cpp
+++ b/Userland/Utilities/chown.cpp
@@ -22,7 +22,7 @@ int main(int argc, char** argv)
 
     if (argc < 3) {
         warnln("usage: chown <uid[:gid]> <path>");
-        return 0;
+        return 1;
     }
 
     uid_t new_uid = -1;
diff --git a/Userland/Utilities/fgrep.cpp b/Userland/Utilities/fgrep.cpp
index c4ddfeaa8f..639533ac8b 100644
--- a/Userland/Utilities/fgrep.cpp
+++ b/Userland/Utilities/fgrep.cpp
@@ -14,7 +14,7 @@ int main(int argc, char** argv)
 {
     if (argc < 2) {
         warnln("usage: fgrep <str>");
-        return 0;
+        return 1;
     }
     for (;;) {
         char buf[4096];
diff --git a/Userland/Utilities/flock.cpp b/Userland/Utilities/flock.cpp
index f8678e7ed9..0172d16f58 100644
--- a/Userland/Utilities/flock.cpp
+++ b/Userland/Utilities/flock.cpp
@@ -16,7 +16,7 @@ int main(int argc, char** argv)
 {
     if (argc < 3) {
         warnln("usage: flock <path> <command...>");
-        return 0;
+        return 1;
     }
 
     pid_t child_pid;
diff --git a/Userland/Utilities/gron.cpp b/Userland/Utilities/gron.cpp
index 58bf1e2c7b..1008df60fc 100644
--- a/Userland/Utilities/gron.cpp
+++ b/Userland/Utilities/gron.cpp
@@ -44,7 +44,7 @@ int main(int argc, char** argv)
     if (argc != 2 || !strcmp(argv[1], "--help")) {
         warnln("usage: gron <file>");
         warnln("Print each value in a JSON file with its fully expanded key.");
-        return 0;
+        return argc != 2 ? 1 : 0;
     }
     auto file = Core::File::construct(argv[1]);
     if (!file->open(Core::OpenMode::ReadOnly)) {
diff --git a/Userland/Utilities/mknod.cpp b/Userland/Utilities/mknod.cpp
index 5f68894d8f..b0317f3fc6 100644
--- a/Userland/Utilities/mknod.cpp
+++ b/Userland/Utilities/mknod.cpp
@@ -18,7 +18,7 @@ constexpr unsigned encoded_device(unsigned major, unsigned minor)
 static int usage()
 {
     warnln("usage: mknod <name> <c|b|p> [<major> <minor>]");
-    return 0;
+    return 1;
 }
 
 int main(int argc, char** argv)