From: Sven Eckelmann <sven@narfation.org>
Date: Mon, 15 Feb 2021 20:34:54 +0100
Subject: alfred: Save global mode flags in bitfield

The verbose and ipv4mode entries in the globals structure is only used to
save a boolean information. So just use a bit in a bitfield to store this
information instead of a full int.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Forwarded: https://patchwork.open-mesh.org/project/b.a.t.m.a.n./patch/20210215200126.140253-3-sven@narfation.org/

diff --git a/alfred.h b/alfred.h
index 24f48fde3fdac1a8a80fae3b4f93dc2e16ddec0f..f09eb497a6efe62d38891dcac2149a6473f9215a 100644
--- a/alfred.h
+++ b/alfred.h
@@ -115,8 +115,8 @@ struct globals {
 	enum clientmode clientmode;
 	int clientmode_arg;
 	int clientmode_version;
-	int verbose;
-	int ipv4mode;
+	uint8_t verbose:1;
+	uint8_t ipv4mode:1;
 
 	int unix_sock;
 	const char *unix_path;
diff --git a/main.c b/main.c
index f633462bcc55b1ae3369c42ccf8f030e671ab268..c7588505fb0a277de3a0c0ac08bb4365b9a9a2a1 100644
--- a/main.c
+++ b/main.c
@@ -9,6 +9,7 @@
 #include <arpa/inet.h>
 #include <getopt.h>
 #include <signal.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -184,8 +185,8 @@ static struct globals *alfred_init(int argc, char *argv[])
 	globals->clientmode_version = 0;
 	globals->mesh_iface = "bat0";
 	globals->unix_path = ALFRED_SOCK_PATH_DEFAULT;
-	globals->verbose = 0;
-	globals->ipv4mode = 0;
+	globals->verbose = false;
+	globals->ipv4mode = false;
 	globals->update_command = NULL;
 	globals->sync_period.tv_sec = ALFRED_INTERVAL;
 	globals->sync_period.tv_nsec = 0;
@@ -253,7 +254,7 @@ static struct globals *alfred_init(int argc, char *argv[])
 			globals->unix_path = optarg;
 			break;
 		case 'd':
-			globals->verbose++;
+			globals->verbose = true;
 			break;
 		case 'c':
 			globals->update_command = optarg;
@@ -269,7 +270,7 @@ static struct globals *alfred_init(int argc, char *argv[])
 			printf(" ** Setting sync interval to: %.9f seconds (%ld.%09ld)\n", sync_period, globals->sync_period.tv_sec, globals->sync_period.tv_nsec);
 			break;
 		case '4':
-			globals->ipv4mode = 1;
+			globals->ipv4mode = true;
 			inet_pton(AF_INET, optarg, &alfred_mcast.ipv4);
 			printf(" ** IPv4 Multicast Mode: %x\n", alfred_mcast.ipv4.s_addr);
 			break;