Create struct that holds FTL related filenames

FTL.h

@@ -47,6 +47,12 @@
 #define SOCKETBUFFERLEN 1024
 
 // Static structs
+typedef struct {
+	const char* log;
+	const char* pid;
+	const char* port;
+} FTLFileNamesStruct;
+
 typedef struct {
 	const char* log;
 	const char* gravity;
@@ -112,6 +118,7 @@ typedef struct {
 enum { QUERIES, FORWARDED, CLIENTS, DOMAINS };
 
 logFileNamesStruct files;
+FTLFileNamesStruct FTLfiles;
 countersStruct counters;
 
 queriesDataStruct *queries;

daemon.c

@@ -13,7 +13,7 @@
 bool test_singularity(void)
 {
 	FILE *f;
-	if((f = fopen("/etc/pihole/FTL.pid", "r")) == NULL)
+	if((f = fopen(FTLfiles.pid, "r")) == NULL)
 	{
 		logg("WARNING: Unable to read PID from file.");
 		logg("         Cannot test if another FTL process is running!");

log.c

@@ -13,13 +13,9 @@
 void open_FTL_log(void)
 {
 	// Open a log file in write mode.
-	if((logfile = fopen("/etc/pihole/FTL.log", "a+")) == NULL) {;
-		printf("FATAL: Opening of /etc/pihole/FTL.log failed!\n");
+	if((logfile = fopen(FTLfiles.log, "a+")) == NULL) {;
+		printf("FATAL: Opening of FTL log (%s) failed!\n",FTLfiles.log);
 		printf("       Make sure it exists and is writable using\n");
-		printf("        sudo touch /etc/pihole/FTL.log\n");
-		printf("        sudo touch /etc/pihole/FTL.port\n");
-		printf("        sudo touch /etc/pihole/FTL.pid\n");
-		printf("        sudo chown user:user /etc/pihole/FTL.*\n");
 		// Return failure in exit status
 		exit(1);
 	}

socket.c

@@ -154,7 +154,7 @@ void swrite(void)
 void saveport(int port)
 {
 	FILE *f;
-	if((f = fopen("/etc/pihole/FTL.port", "w+")) == NULL)
+	if((f = fopen(FTLfiles.port, "w+")) == NULL)
 	{
 		logg("WARNING: Unable to write used port to file.");
 		logg("         Continuing anyway (API might not find the port).");

structs.c

@@ -10,6 +10,15 @@
 
 #include "FTL.h"
 
+FTLFileNamesStruct FTLfiles = {
+	"/etc/pihole/pihole-FTL.log",
+	"/etc/pihole/pihole-FTL.pid",
+	"/etc/pihole/pihole-FTL.port"
+	// "/var/log/pihole-FTL.log",
+	// "/var/run/pihole-FTL.pid",
+	// "/var/run/pihole-FTL.port"
+};
+
 logFileNamesStruct files = {
 	"/var/log/pihole.log",
 	"/etc/pihole/list.preEventHorizon",