From 457d26bf8d4741cd148fabc6d028f269fb69adf7 Mon Sep 17 00:00:00 2001
From: JayPiKay <jpk@goatpr0n.de>
Date: Mon, 30 Oct 2017 18:45:36 +0100
Subject: [PATCH] Added help to light command

---
 lw12ctl.c | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/lw12ctl.c b/lw12ctl.c
index 90cac49..1d73c29 100644
--- a/lw12ctl.c
+++ b/lw12ctl.c
@@ -23,22 +23,31 @@ int sockfd = 0;
 struct sockaddr_in server_addr;
 
 
+static void help_lw12_cmd_light() {
+    printf("Not enough parameters, choices are:\n");
+    printf(" on\n");
+    printf(" off\n");
+    printf(" set <color> <value>\n\n");
+    printf("Color:\n------\nred\ngreen\nblue\nrgb\n\n"
+            "The colors red, green and blue require one additional\n"
+            "parameter as number between 0 - 255. The `rgb` value\n"
+            "has to be given in #RRGGBB hex format.\n");
+}
+
+
 static int lw12_cmd_light(int argc, char *argv[]) {
     if (argc == 0) {
-        printf("Not enough parameters, choices are:\n");
-        printf(" on\n");
-        printf(" off\n");
-        printf(" set <color> <value>\n\n");
-        printf("Color:\n------\nred\ngreen\nblue\nrgb\n\n"
-                "The colors red, green and blue require one additional\n"
-                "parameter as number between 0 - 255. The `rgb` value\n"
-                "has to be given in #RRGGBB hex format.\n");
+        help_lw12_cmd_light();
+        return 1;
     }
     if (strncasecmp(argv[0], "on", strlen(argv[0])) == 0) {
         lw12_sendcmd(sockfd, &server_addr, (char *)LIGHTS_ON);
         lw12_sendcmd(sockfd, &server_addr, (char *)LIGHTS_INIT);
     } else if (strncasecmp(argv[0], "off", strlen(argv[0])) == 0) {
         lw12_sendcmd(sockfd, &server_addr, (char *)LIGHTS_OFF);
+    } else if (strncasecmp(argv[0], "help", strlen(argv[0])) == 0) {
+        help_lw12_cmd_light();
+        return 1;
     } else if (strncasecmp(argv[0], "set", strlen(argv[0])) == 0) {
         if (argc < 3) {
             printf("Not enough parameters, usage:\n"
@@ -88,6 +97,8 @@ static int lw12_cmd_light(int argc, char *argv[]) {
             printf("%02x", cmd[x]);
         printf("\n");
         lw12_sendcmd(sockfd, &server_addr, (char *)cmd);
+    } else {
+        printf("What?!\n");
     }
     return 0;
 }