setup: Fix compilation issues with GCC 14

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/setup/dhcp.c

@@ -38,7 +38,7 @@ void dhcpdialogcallbackdhcp(newtComponent cm, void *data);
 
 int handledhcp(void)
 {
-	char *results[MAX_BOXES];
+	const char *results[MAX_BOXES];
 	char enabledresult;
 	char startenabled;
 	struct newtExitStruct es;

src/setup/main.c

@@ -30,7 +30,6 @@ int main(int argc, char *argv[])
 	struct keyvalue *kv;
 	char lang[STRING_SIZE] = "en_US.utf8";
 	char title[STRING_SIZE];
-	int langcounter;
 	int autook = 0;
 
 	/* Log file/terminal stuff. */

src/setup/misc.c

@@ -21,7 +21,6 @@ extern int automode;
 
 int writehostsfiles(void)
 {	
-	char message[1000];
 	struct keyvalue *kv;
 	char hostname[STRING_SIZE];
 	char domainname[STRING_SIZE] = "localdomain";

src/setup/netstuff.c

@@ -52,11 +52,11 @@ static int ip_input_filter(newtComponent entry, void * data, int ch, int cursor)
 int changeaddress(struct keyvalue *kv, char *colour, int typeflag,
 	char *defaultdhcphostname)
 {
-	char *addressresult;
-	char *netmaskresult;
-	char *gatewayresult;
-	char *dhcphostnameresult;
-	char *dhcpforcemturesult;
+	const char *addressresult;
+	const char *netmaskresult;
+	const char *gatewayresult;
+	const char *dhcphostnameresult;
+	const char *dhcpforcemturesult;
 	struct newtExitStruct es;
 	newtComponent header;
 	newtComponent addresslabel;
@@ -480,14 +480,14 @@ char* readmac(char *card) {
 char* find_nic4mac(char *findmac) {
 	DIR *dir;
 	struct dirent *dirzeiger;
-	char temp[STRING_SIZE], temp2[STRING_SIZE];
+	char temp[STRING_SIZE] = "";
+	char temp2[STRING_SIZE] = "";
         
 	if((dir=opendir(SYSDIR)) == NULL) {
 		fprintf(flog,"Fehler bei opendir (find_name4nic) ...\n");
 		return NULL;
 	}
 
-	sprintf(temp, "");
 	while((dirzeiger=readdir(dir)) != NULL) {
 		if(*((*dirzeiger).d_name) != '.' & strcmp(((*dirzeiger).d_name), "lo") != 0) {
 			sprintf(temp2, "%s", readmac((*dirzeiger).d_name) );
@@ -550,7 +550,6 @@ int rename_nics(void) {
 
 int write_configs_netudev(int card , int colour)
 {	
-	char commandstring[STRING_SIZE];
 	struct keyvalue *kv = initkeyvalues();
 	char temp1[STRING_SIZE], temp2[STRING_SIZE], temp3[STRING_SIZE];
 	char ucolour[STRING_SIZE];
@@ -586,7 +585,7 @@ int write_configs_netudev(int card , int colour)
 int scan_network_cards(void)
 {
 	FILE *fp;
-	char driver[STRING_SIZE], description[STRING_SIZE], macaddr[STRING_SIZE], temp_line[STRING_SIZE];
+	char temp_line[STRING_SIZE];
 	int count = 0;
 	const char _driver[]="driver: ";
 	const char _desc[]="desc: ";
@@ -732,7 +731,7 @@ int ask_clear_card_entry(int card)
 	sprintf(message, _("Do you really want to remove the assigned %s interface?"), ucolourcard[card]);
 	rc = newtWinChoice(_("Warning"), _("OK"), _("Cancel"), message);
 
-	if ( rc = 0 || rc == 1) {
+	if ( rc == 0 || rc == 1) {
 		clear_card_entry(card);
 	} else return 1;
 

src/setup/networking.c

@@ -385,7 +385,7 @@ int drivermenu(void)
 		if (strcmp(knics[i].macaddr, ""))
 			kcount++;
 
-	if (neednics = kcount)
+	if (neednics == kcount)
 	{
 		strcat(message, "\n");
 		strcat(message, _("Do you wish to change these settings?"));
@@ -403,11 +403,6 @@ int drivermenu(void)
 	return 1;
 }
 
-int set_menu_entry_for(int *nr, int *card)
-{
-
-}
-
 int changedrivers(void)
 {
 	struct keyvalue *kv = initkeyvalues();
@@ -438,7 +433,7 @@ int changedrivers(void)
 		{ green = 1; red = 1; blue = 1; }
 	else if (configtype == 4)
 		{ green = 1; red=1; orange=1; blue = 1; }
-	else if (configtype == "")
+	else
 	  { green = 1; red = 1; }
 
 	do