-include ../../config.mk
-include ../../tools/kconfig/.config

CC:=$(CROSS_COMPILE)gcc
LD:=$(CROSS_COMPILE)ld
AR:=$(CROSS_COMPILE)ar
RANLIB:=$(CROSS_COMPILE)ranlib
SIZE:=$(CROSS_COMPILE)size
STRIP_BIN:=$(CROSS_COMPILE)strip
TEST_LDFLAGS=-pthread  $(PREFIX)/modules/*.o $(PREFIX)/lib/*.o -lvdeplug
UNIT_LDFLAGS=-lcheck -lm -pthread -lrt -lsubunit
UNIT_CFLAGS= $(CFLAGS) -Wno-missing-braces

LIBNAME:="libpicotcp.a"

PREFIX?=$(PWD)/build
DEBUG?=1
PROFILE?=0
PERF?=0
ENDIAN?=little
STRIP?=0
RTOS?=0
GENERIC?=0
PTHREAD?=0
ADDRESS_SANITIZER?=1
GCOV?=0

# Default compiled-in protocols
#
TCP?=1
UDP?=1
ETH?=1
IPV4?=1
IPV4FRAG?=1
IPV6FRAG?=0
NAT?=1
ICMP4?=1
MCAST?=1
DEVLOOP?=1
PING?=1
DHCP_CLIENT?=1
DHCP_SERVER?=1
DNS_CLIENT?=1
MDNS?=1
DNS_SD?=1
SNTP_CLIENT?=1
IPFILTER?=1
CRC?=1
OLSR?=0
SLAACV4?=1
TFTP?=1
AODV?=1
MEMORY_MANAGER?=0
MEMORY_MANAGER_PROFILING?=0
TUN?=0
TAP?=0
PCAP?=0
PPP?=1
6LOWPAN?=0
IEEE802154?=0
IPC?=0
CYASSL?=0
WOLFSSL?=0
POLARSSL?=0

#IPv6 related
IPV6?=1

TEST?=0
ifeq ($(TEST),1)
	6LOWPAN=1
	IEEE802154=1
endif

UNITS?=0
ifeq ($(UNITS),1)
	6LOWPAN=1
	IEEE802154=1
	ARCH=faulty
endif

UNITS_MM?=0
ifeq ($(UNITS_MM),1)
	6LOWPAN=1
	IEEE802154=1
	MEMORY_MANAGER=1
endif

EXTRA_CFLAGS+=-DPICO_COMPILE_TIME=`date +%s`
EXTRA_CFLAGS+=$(PLATFORM_CFLAGS)

CFLAGS=-I$(PREFIX)/include -Iinclude -Imodules  $(EXTRA_CFLAGS)
# options for adding warnings
CFLAGS+= -Wall -W -Wextra -Wshadow -Wcast-qual -Wwrite-strings -Wundef -Wdeclaration-after-statement
CFLAGS+= -Wconversion -Wcast-align -Wmissing-prototypes
# options for supressing warnings
CFLAGS+= -Wno-missing-field-initializers

ifeq ($(CC),clang)
CFLAGS+= -Wunreachable-code-break -Wpointer-bool-conversion -Wmissing-variable-declarations
endif

ifeq ($(DEBUG),1)
  CFLAGS+=-ggdb
else
  ifeq ($(PERF), 1)
    CFLAGS+=-O3
  else
    CFLAGS+=-Os
  endif
endif

ifeq ($(PROFILE),1)
  CFLAGS+=-pg
endif

ifeq ($(TFTP),1)
  MOD_OBJ+=$(LIBBASE)modules/pico_strings.o $(LIBBASE)modules/pico_tftp.o
  OPTIONS+=-DPICO_SUPPORT_TFTP
endif

ifeq ($(AODV),1)
  MOD_OBJ+=$(LIBBASE)modules/pico_aodv.o
  OPTIONS+=-DPICO_SUPPORT_AODV
endif

ifeq ($(GENERIC),1)
  CFLAGS+=-DGENERIC
endif

ifeq ($(PTHREAD),1)
  CFLAGS+=-DPICO_SUPPORT_PTHREAD
endif


ifneq ($(ENDIAN),little)
  CFLAGS+=-DPICO_BIGENDIAN
endif

ifneq ($(RTOS),0)
  OPTIONS+=-DPICO_SUPPORT_RTOS
endif

ifeq ($(ARCH),cortexm4-hardfloat)
  CFLAGS+=-DCORTEX_M4_HARDFLOAT -mcpu=cortex-m4 -mthumb -mlittle-endian -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb-interwork -fsingle-precision-constant
endif

ifeq ($(ARCH),cortexm4-softfloat)
  CFLAGS+=-DCORTEX_M4_SOFTFLOAT -mcpu=cortex-m4 -mthumb -mlittle-endian -mfloat-abi=soft -mthumb-interwork
endif

ifeq ($(ARCH),cortexm3)
  CFLAGS+=-DCORTEX_M3 -mcpu=cortex-m3 -mthumb -mlittle-endian -mthumb-interwork
endif

ifeq ($(ARCH),cortexm0plus)
  CFLAGS+=-DCORTEX_M0PLUS -mcpu=cortex-m0plus -mthumb -mlittle-endian -mthumb-interwork
endif

ifeq ($(ARCH),arm9)
  CFLAGS+=-DARM9 -mcpu=arm9e -march=armv5te -gdwarf-2 -Wall -marm -mthumb-interwork -fpack-struct
endif

ifeq ($(ADDRESS_SANITIZER),1)
  TEST_LDFLAGS+=-fsanitize=address -fno-omit-frame-pointer
endif

ifeq ($(GCOV),1)
  TEST_LDFLAGS+=-lgcov --coverage
  CFLAGS+=-fprofile-arcs -ftest-coverage
endif

ifeq ($(ARCH),faulty)
  CFLAGS+=-DFAULTY -DUNIT_TEST
  ifeq ($(ADDRESS_SANITIZER),1)
    CFLAGS+=-fsanitize=address
  endif
  CFLAGS+=-fno-omit-frame-pointer
  UNITS_OBJ+=test/pico_faulty.o
  TEST_OBJ+=test/pico_faulty.o
  DUMMY_EXTRA+=test/pico_faulty.o
endif

ifeq ($(ARCH),msp430)
  CFLAGS+=-DMSP430
endif

ifeq ($(ARCH),esp8266)
  CFLAGS+=-DESP8266 -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals
endif

ifeq ($(ARCH),mt7681)
  CFLAGS+=-DMT7681 -fno-builtin -ffunction-sections -fno-strict-aliasing -m16bit -mabi=2 -mbaseline=V2 -mcpu=n9 -mno-div -mel -mmw-count=8 -mno-ext-mac -mno-dx-regs
endif

ifeq ($(ARCH),pic24)
  CFLAGS+=-DPIC24 -c -mcpu=24FJ256GA106  -MMD -MF -g -omf=elf \
  -mlarge-code -mlarge-data -msmart-io=1 -msfr-warn=off
endif

ifeq ($(ARCH),pic32)
  CFLAGS+=-DPIC32
endif

ifeq ($(ARCH),atmega128)
  CFLAGS+=-Wall -mmcu=atmega128 -DAVR
endif

ifeq ($(ARCH),none)
  CFLAGS+=-DARCHNONE
endif

ifeq ($(ARCH),shared)
  CFLAGS+=-fPIC
endif

%.o:%.c deps
	$(CC) -c $(CFLAGS) -o $@ $<

CORE_OBJ= stack/pico_stack.o \
          stack/pico_frame.o \
          stack/pico_device.o \
          stack/pico_protocol.o \
          stack/pico_socket.o \
          stack/pico_socket_multicast.o \
          stack/pico_tree.o \
          stack/pico_md5.o

POSIX_OBJ+= modules/pico_dev_vde.o \
            modules/pico_dev_tun.o \
            modules/pico_dev_ipc.o \
            modules/pico_dev_tap.o \
            modules/pico_dev_mock.o

include rules/debug.mk

ifneq ($(ETH),0)
  include rules/eth.mk
endif
ifneq ($(IPV4),0)
  include rules/ipv4.mk
endif
ifneq ($(IPV4FRAG),0)
  include rules/ipv4frag.mk
endif
ifneq ($(ICMP4),0)
  include rules/icmp4.mk
endif
ifneq ($(TCP),0)
  include rules/tcp.mk
endif
ifneq ($(UDP),0)
  include rules/udp.mk
endif
ifneq ($(MCAST),0)
  include rules/mcast.mk
  include rules/igmp.mk
  include rules/mld.mk
endif
ifneq ($(NAT),0)
  include rules/nat.mk
endif
ifneq ($(DEVLOOP),0)
  include rules/devloop.mk
endif
ifneq ($(DHCP_CLIENT),0)
  include rules/dhcp_client.mk
endif
ifneq ($(DHCP_SERVER),0)
  include rules/dhcp_server.mk
endif
ifneq ($(DNS_CLIENT),0)
  include rules/dns_client.mk
endif
ifneq ($(MDNS),0)
  include rules/mdns.mk
endif
ifneq ($(DNS_SD),0)
  include rules/dns_sd.mk
endif
ifneq ($(IPFILTER),0)
  include rules/ipfilter.mk
endif
ifneq ($(CRC),0)
  include rules/crc.mk
endif
ifneq ($(OLSR),0)
  include rules/olsr.mk
endif
ifneq ($(SLAACV4),0)
  include rules/slaacv4.mk
endif
ifneq ($(IPV6),0)
  include rules/ipv6.mk
endif
ifneq ($(MEMORY_MANAGER),0)
  include rules/memory_manager.mk
endif
ifneq ($(MEMORY_MANAGER_PROFILING),0)
  OPTIONS+=-DPICO_SUPPORT_MM_PROFILING
endif
ifneq ($(SNTP_CLIENT),0)
  include rules/sntp_client.mk
endif
ifneq ($(TUN),0)
  include rules/tun.mk
endif
ifneq ($(TAP),0)
  include rules/tap.mk
endif
ifneq ($(PCAP),0)
  include rules/pcap.mk
endif
ifneq ($(PPP),0)
  include rules/ppp.mk
endif
ifneq ($(6LOWPAN), 0)
  include rules/6lowpan.mk
endif
ifneq ($(IPC),0)
  include rules/ipc.mk
endif
ifneq ($(CYASSL),0)
  include rules/cyassl.mk
endif
ifneq ($(WOLFSSL),0)
  include rules/wolfssl.mk
endif
ifneq ($(POLARSSL),0)
  include rules/polarssl.mk
endif

all: mod core lib

core: $(CORE_OBJ)
	@mkdir -p $(PREFIX)/lib
	@mv stack/*.o $(PREFIX)/lib

mod: $(MOD_OBJ)
	@mkdir -p $(PREFIX)/modules
	@mv modules/*.o $(PREFIX)/modules || echo

posix: all $(POSIX_OBJ)
	@mv modules/*.o $(PREFIX)/modules || echo


TEST_ELF= test/picoapp.elf
TEST6_ELF= test/picoapp6.elf


test: posix
	@if [ $(TEST) -eq 0 ]; then \
	echo "\n\nsmoke tests should be compiled with TEST=1 from now on!"; \
	exit 1; \
	fi
	@mkdir -p $(PREFIX)/test/
	@make -C test/examples PREFIX=$(PREFIX)
	@echo -e "\t[CC] picoapp.o"
	@$(CC) -c -o $(PREFIX)/examples/picoapp.o test/picoapp.c $(CFLAGS) -Itest/examples
	@echo -e "\t[LD] $@"
	@$(CC) -g -o $(TEST_ELF) -I include -I modules -I $(PREFIX)/include -Wl,--start-group $(TEST_LDFLAGS) $(TEST_OBJ) $(PREFIX)/examples/*.o -Wl,--end-group
	@mv test/*.elf $(PREFIX)/test
	@install $(PREFIX)/$(TEST_ELF) $(PREFIX)/$(TEST6_ELF)

tst: test

$(PREFIX)/include/pico_defines.h:
	@mkdir -p $(PREFIX)/lib
	@mkdir -p $(PREFIX)/include
	@bash ./mkdeps.sh $(PREFIX) $(OPTIONS)


deps: $(PREFIX)/include/pico_defines.h



lib: mod core
	@cp -f include/*.h $(PREFIX)/include
	@cp -fa include/arch $(PREFIX)/include
	@cp -f modules/*.h $(PREFIX)/include
	@echo -e "\t[AR] $(PREFIX)/lib/$(LIBNAME)"
	@$(AR) cru $(PREFIX)/lib/$(LIBNAME) $(PREFIX)/modules/*.o $(PREFIX)/lib/*.o \
	  || $(AR) cru $(PREFIX)/lib/$(LIBNAME) $(PREFIX)/lib/*.o
	@echo -e "\t[RANLIB] $(PREFIX)/lib/$(LIBNAME)"
	@$(RANLIB) $(PREFIX)/lib/$(LIBNAME)
	@test $(STRIP) -eq 1 && (echo -e "\t[STRIP] $(PREFIX)/lib/$(LIBNAME)" \
     && $(STRIP_BIN) $(PREFIX)/lib/$(LIBNAME)) \
     || echo -e "\t[KEEP SYMBOLS] $(PREFIX)/lib/$(LIBNAME)"
	@echo -e "\t[LIBSIZE] `du -b $(PREFIX)/lib/$(LIBNAME)`"
	@echo -e "`size -t $(PREFIX)/lib/$(LIBNAME)`"

loop: mod core
	mkdir -p $(PREFIX)/test
	@$(CC) -c -o $(PREFIX)/modules/pico_dev_loop.o modules/pico_dev_loop.c $(CFLAGS)
	@$(CC) -c -o $(PREFIX)/loop_ping.o test/loop_ping.c $(CFLAGS) -ggdb

units: mod core lib $(UNITS_OBJ) $(MOD_OBJ)
	@if [ $(UNITS) -eq 0 ]; then \
	echo "\n\nunit tests should be compiled with UNITS=1 from now on!"; \
	exit 1; \
	fi
	@echo -e "\n\t[UNIT TESTS SUITE]"
	@mkdir -p $(PREFIX)/test
	@echo -e "\t[CC] units.o"
	@$(CC) -g -c -o $(PREFIX)/test/units.o test/units.c $(UNIT_CFLAGS) -I stack -I modules -I includes -I test/unit -DUNIT_TEST
	@echo -e "\t[LD] $(PREFIX)/test/units"
	@$(CC) -o $(PREFIX)/test/units $(UNIT_CFLAGS) $(PREFIX)/test/units.o $(UNIT_LDFLAGS) \
	   $(UNITS_OBJ) $(PREFIX)/modules/pico_aodv.o \
	   $(PREFIX)/modules/pico_fragments.o
	@$(CC) -o $(PREFIX)/test/modunit_pico_protocol.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_protocol.c stack/pico_tree.c $(UNIT_LDFLAGS) $(UNITS_OBJ)
	@$(CC) -o $(PREFIX)/test/modunit_pico_frame.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_frame.c stack/pico_tree.c $(UNIT_LDFLAGS) $(UNITS_OBJ)
	@$(CC) -o $(PREFIX)/test/modunit_seq.elf $(UNIT_CFLAGS) -I. test/unit/modunit_seq.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_tcp.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_tcp.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_dns_client.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_dns_client.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_dns_common.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_dns_common.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_mdns.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_mdns.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_dns_sd.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_dns_sd.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_dev_loop.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_dev_loop.c $(UNIT_LDFLAGS) $(UNITS_OBJ)
	@$(CC) -o $(PREFIX)/test/modunit_ipv6_nd.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_ipv6_nd.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_ethernet.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_ethernet.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_pico_stack.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_stack.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_tftp.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_tftp.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_sntp_client.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_sntp_client.c $(UNIT_LDFLAGS) $(UNITS_OBJ)
	@$(CC) -o $(PREFIX)/test/modunit_ipfilter.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_ipfilter.c stack/pico_tree.c $(UNIT_LDFLAGS) $(UNITS_OBJ)
	@$(CC) -o $(PREFIX)/test/modunit_aodv.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_aodv.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_fragments.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_fragments.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_queue.elf $(UNIT_CFLAGS) -I. test/unit/modunit_queue.c  $(UNIT_LDFLAGS) $(UNITS_OBJ)
	@$(CC) -o $(PREFIX)/test/modunit_dev_ppp.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_dev_ppp.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_mld.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_mld.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_igmp.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_igmp.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_hotplug_detection.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_hotplug_detection.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_802154.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_802154.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_6lowpan.elf $(UNIT_CFLAGS) -I. -I test/examples test/unit/modunit_pico_6lowpan.c  $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a
	@$(CC) -o $(PREFIX)/test/modunit_strings.elf $(UNIT_CFLAGS) -I. test/unit/modunit_pico_strings.c $(UNIT_LDFLAGS) $(UNITS_OBJ) $(PREFIX)/lib/libpicotcp.a

devunits: mod core lib
	@echo -e "\n\t[UNIT TESTS SUITE: device drivers]"
	@mkdir -p $(PREFIX)/test/unit/device/
	@echo -e "\t[CC] picotcp_mock.o"
	@$(CC) -c -o $(PREFIX)/test/unit/device/picotcp_mock.o $(CFLAGS) -I stack -I modules -I includes -I test/unit test/unit/device/picotcp_mock.c
	@$(CC) -c -o $(PREFIX)/test/unit/device/unit_dev_vde.o $(CFLAGS) -I stack -I modules -I includes -I test/unit test/unit/device/unit_dev_vde.c
	@echo -e "\t[LD] $(PREFIX)/test/devunits"
	@$(CC) -o $(PREFIX)/test/devunits $(CFLAGS) -I stack $(PREFIX)/test/unit/device/*.o -lcheck -lm -pthread -lrt

units_mm: mod core lib
	@if [ $(UNITS_MM) -eq 0 ]; then \
	echo "\n\nMM unit tests should be compiled with UNITS_MM=1 from now on!"; \
	exit 1; \
	fi
	@echo -e "\n\t[UNIT TESTS SUITE]"
	@mkdir -p $(PREFIX)/test
	@echo -e "\t[CC] units_mm.o"
	@$(CC) -c -o $(PREFIX)/test/units_mm.o test/unit/unit_mem_manager.c $(CFLAGS) -I stack -I modules -I includes -I test/unit
	@echo -e "\t[LD] $(PREFIX)/test/units"
	@$(CC) -o $(PREFIX)/test/units_mm $(CFLAGS) $(PREFIX)/test/units_mm.o -lcheck -lm -pthread -lrt


clean:
	@echo -e "\t[CLEAN] $(PREFIX)/"
	@rm -rf $(PREFIX) tags

mbed:
	@echo -e "\t[Creating PicoTCP.zip]"
	@rm -f PicoTCP.zip
	@cp include/pico_socket.h include/socket.tmp
	@echo "#define MBED\n" > include/mbed.tmp
	@cat include/mbed.tmp include/socket.tmp > include/pico_socket.h
	@zip -0 PicoTCP.zip -r include modules stack -x include/arch/ include/arch/* include/pico_config.h include/*.tmp modules/pico_dev_*
	@rm include/pico_socket.h include/mbed.tmp
	@mv include/socket.tmp include/pico_socket.h


style:
	@find . -iname "*.[c|h]" | xargs uncrustify --replace -l C -c uncrustify.cfg || true
	@find . -iname "*unc-backup*" |xargs rm || true

dummy: mod core lib $(DUMMY_EXTRA)
	@echo testing configuration...
	@$(CC) -c -o test/dummy.o test/dummy.c $(CFLAGS)
	@$(CC) -o dummy test/dummy.o $(DUMMY_EXTRA) $(PREFIX)/lib/libpicotcp.a $(LDFLAGS) $(CFLAGS)
	@echo done.
	@rm -f test/dummy.o dummy

ppptest: test/ppp.c lib
	gcc -ggdb -c -o ppp.o test/ppp.c -I $(PREFIX)/include/ -I $(PREFIX)/modules/ $(CFLAGS)
	gcc -o ppp ppp.o $(PREFIX)/lib/libpicotcp.a $(LDFLAGS) $(CFLAGS)
	rm -f ppp.o

.PHONY: coverity
coverity:
	@make clean
	@cov-build --dir $(PREFIX)/cov-int make
	@tar czvf $(PREFIX)/coverity.tgz -C $(PREFIX) cov-int

FORCE: