From 4fe12dfc27afaa041943c146b45f311d7cc535ea Mon Sep 17 00:00:00 2001
From: Jens True <jens.chr.true@gmail.com>
Date: Mon, 1 Apr 2019 10:40:05 +0200
Subject: [PATCH] K&R style

---
 main.c | 117 +++++++++++++++++++++++----------------------------------
 1 file changed, 48 insertions(+), 69 deletions(-)

diff --git a/main.c b/main.c
index 368d330..00e2364 100644
--- a/main.c
+++ b/main.c
@@ -51,17 +51,15 @@
 
 static struct libusb_device_handle *devh = NULL;
 
-int
-main (int argc, char **argv)
+int main(int argc, char **argv)
 {
-  int ret;
-  unsigned char code = 0;
-  if (argc != 2)
-    {
-      printf
-	("Syntax: %s blue | red | green | aqua | purple | yellow | white |  off\n",
-	 argv[0]);
-      return -1;
+    int ret;
+    unsigned char code = 0;
+    if (argc != 2) {
+	printf
+	    ("Syntax: %s blue | red | green | aqua | purple | yellow | white |  off\n",
+	     argv[0]);
+	return -1;
 
     }
 
@@ -84,74 +82,55 @@ main (int argc, char **argv)
     1 1 0 yellow 0x6 (more of a mustard - green color)
     1 1 1 white  0x7 (a very blue-ish white)
 */
-  if (strcmp (argv[1], "blue") == 0)
-    {
-      code = 1;
-    }
-  else if (strcmp (argv[1], "red") == 0)
-    {
-      code = 2;
-    }
-  else if (strcmp (argv[1], "green") == 0)
-    {
-      code = 3;
-    }
-  else if (strcmp (argv[1], "aqua") == 0)
-    {
-      code = 4;
-    }
-  else if (strcmp (argv[1], "purple") == 0)
-    {
-      code = 5;
-    }
-  else if (strcmp (argv[1], "yellow") == 0)
-    {
-      code = 6;
-    }
-  else if (strcmp (argv[1], "white") == 0)
-    {
-      code = 7;
-    }
-  else
-    {
-      printf ("invalid color\n");
-      return -1;
+    if (strcmp(argv[1], "blue") == 0) {
+	code = 1;
+    } else if (strcmp(argv[1], "red") == 0) {
+	code = 2;
+    } else if (strcmp(argv[1], "green") == 0) {
+	code = 3;
+    } else if (strcmp(argv[1], "aqua") == 0) {
+	code = 4;
+    } else if (strcmp(argv[1], "purple") == 0) {
+	code = 5;
+    } else if (strcmp(argv[1], "yellow") == 0) {
+	code = 6;
+    } else if (strcmp(argv[1], "white") == 0) {
+	code = 7;
+    } else {
+	printf("invalid color\n");
+	return -1;
     }
 
-  libusb_init (NULL);
-  devh = libusb_open_device_with_vid_pid (NULL, VID, PID);
-  if (devh == NULL)
-    {
-      printf ("not found\n");
-      return -1;
+    libusb_init(NULL);
+    devh = libusb_open_device_with_vid_pid(NULL, VID, PID);
+    if (devh == NULL) {
+	printf("not found\n");
+	return -1;
     }
 
-  if (libusb_kernel_driver_active (devh, 0))
-    {
-      printf ("detach from kernel\n");
-      ret = libusb_detach_kernel_driver (devh, 0);
-      if (ret < 0)
-	{
-	  printf ("can't detach\n");
-	  return -1;
+    if (libusb_kernel_driver_active(devh, 0)) {
+	printf("detach from kernel\n");
+	ret = libusb_detach_kernel_driver(devh, 0);
+	if (ret < 0) {
+	    printf("can't detach\n");
+	    return -1;
 	}
     }
 
-  char data[5];
-  data[0] = code;
-  data[1] = 0x4;
-  data[2] = 0x4;
-  data[3] = 0x4;
-  data[4] = 0x4;
+    char data[5];
+    data[0] = code;
+    data[1] = 0x4;
+    data[2] = 0x4;
+    data[3] = 0x4;
+    data[4] = 0x4;
 
-  int dummy;
-  libusb_claim_interface (devh, 0);
-  ret = libusb_interrupt_transfer (devh, 0x2, data, 5, &dummy, 0);
-  if (ret < 0)
-    {
-      perror ("error");
+    int dummy;
+    libusb_claim_interface(devh, 0);
+    ret = libusb_interrupt_transfer(devh, 0x2, data, 5, &dummy, 0);
+    if (ret < 0) {
+	perror("error");
     }
 
 
-  return 0;
+    return 0;
 }