Add __unused macros to appropriate places in order to allow building

with WARNS=6 on base gcc, gcc46, and clang

Approved by:	cperciva
MFC after:	1 week

usr.sbin/mfiutil/Makefile

@@ -6,7 +6,6 @@ SRCS=	mfiutil.c mfi_cmd.c mfi_config.c mfi_drive.c mfi_evt.c mfi_flash.c \
 MAN8=	mfiutil.8
 
 CFLAGS+= -fno-builtin-strftime
-WARNS?=3
 
 DPADD=	${LIBUTIL}
 LDADD=	-lutil

usr.sbin/mfiutil/mfi_config.c

@@ -152,7 +152,7 @@ mfi_config_lookup_volume(struct mfi_config_data *config, uint8_t target_id)
 }
 
 static int
-clear_config(int ac, char **av)
+clear_config(int ac __unused, char **av __unused)
 {
 	struct mfi_ld_list list;
 	int ch, error, fd;
@@ -411,7 +411,7 @@ find_next_volume(struct config_id_state *state)
 
 /* Populate an array with drives. */
 static void
-build_array(int fd, char *arrayp, struct array_info *array_info,
+build_array(int fd __unused, char *arrayp, struct array_info *array_info,
     struct config_id_state *state, int verbose)
 {
 	struct mfi_array *ar = (struct mfi_array *)arrayp;

usr.sbin/mfiutil/mfi_evt.c

@@ -64,7 +64,7 @@ mfi_get_events(int fd, struct mfi_evt_list *list, int num_events,
 }
 
 static int
-show_logstate(int ac, char **av)
+show_logstate(int ac, char **av __unused)
 {
 	struct mfi_evt_log_state info;
 	int error, fd;

usr.sbin/mfiutil/mfi_patrol.c

@@ -75,7 +75,7 @@ patrol_get_props(int fd, struct mfi_pr_properties *prop)
 }
 
 static int
-show_patrol(int ac, char **av)
+show_patrol(int ac __unused, char **av __unused)
 {
 	struct mfi_pr_properties prop;
 	struct mfi_pr_status status;
@@ -193,7 +193,7 @@ show_patrol(int ac, char **av)
 MFI_COMMAND(show, patrol, show_patrol);
 
 static int
-start_patrol(int ac, char **av)
+start_patrol(int ac __unused, char **av __unused)
 {
 	int error, fd;
 
@@ -219,7 +219,7 @@ start_patrol(int ac, char **av)
 MFI_COMMAND(start, patrol, start_patrol);
 
 static int
-stop_patrol(int ac, char **av)
+stop_patrol(int ac __unused, char **av __unused)
 {
 	int error, fd;
 

usr.sbin/mfiutil/mfi_show.c

@@ -51,7 +51,7 @@ format_stripe(char *buf, size_t buflen, uint8_t stripe)
 }
 
 static int
-show_adapter(int ac, char **av)
+show_adapter(int ac, char **av __unused)
 {
 	struct mfi_ctrl_info info;
 	char stripe[5];
@@ -136,7 +136,7 @@ show_adapter(int ac, char **av)
 MFI_COMMAND(show, adapter, show_adapter);
 
 static int
-show_battery(int ac, char **av)
+show_battery(int ac, char **av __unused)
 {
 	struct mfi_bbu_capacity_info cap;
 	struct mfi_bbu_design_info design;
@@ -304,7 +304,7 @@ print_pd(struct mfi_pd_info *info, int state_len)
 }
 
 static int
-show_config(int ac, char **av)
+show_config(int ac, char **av __unused)
 {
 	struct mfi_config_data *config;
 	struct mfi_array *ar;
@@ -410,7 +410,7 @@ show_config(int ac, char **av)
 MFI_COMMAND(show, config, show_config);
 
 static int
-show_volumes(int ac, char **av)
+show_volumes(int ac, char **av __unused)
 {
 	struct mfi_ld_list list;
 	struct mfi_ld_info info;
@@ -493,7 +493,7 @@ show_volumes(int ac, char **av)
 MFI_COMMAND(show, volumes, show_volumes);
 
 static int
-show_drives(int ac, char **av)
+show_drives(int ac, char **av __unused)
 {
 	struct mfi_pd_list *list;
 	struct mfi_pd_info info;
@@ -601,7 +601,7 @@ display_firmware(struct mfi_info_component *comp, const char *tag)
 }
 
 static int
-show_firmware(int ac, char **av)
+show_firmware(int ac, char **av __unused)
 {
 	struct mfi_ctrl_info info;
 	struct mfi_info_component header;
@@ -657,7 +657,7 @@ show_firmware(int ac, char **av)
 MFI_COMMAND(show, firmware, show_firmware);
 
 static int
-show_progress(int ac, char **av)
+show_progress(int ac, char **av __unused)
 {
 	struct mfi_ld_list llist;
 	struct mfi_pd_list *plist;

usr.sbin/mfiutil/mfiutil.c

@@ -92,7 +92,7 @@ usage(void)
 }
 
 static int
-version(int ac, char **av)
+version(int ac __unused, char **av __unused)
 {
 
 	printf("mfiutil version 1.0.14");