udhcpc: move usage text to .c file. no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 78 insertions, 0 deletions

diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 27d6ad1..3630129 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -765,6 +765,84 @@ static void client_background(void)
 }
 #endif
 
+//usage:#if defined CONFIG_UDHCP_DEBUG && CONFIG_UDHCP_DEBUG >= 1
+//usage:# define IF_UDHCP_VERBOSE(...) __VA_ARGS__
+//usage:#else
+//usage:# define IF_UDHCP_VERBOSE(...)
+//usage:#endif
+//usage:#define udhcpc_trivial_usage
+//usage:       "[-fbnq"IF_UDHCP_VERBOSE("v")"oCR] [-i IFACE] [-r IP] [-s PROG] [-p PIDFILE]\n"
+//usage:       "	[-H HOSTNAME] [-c CID] [-V VENDOR] [-O DHCP_OPT]..." IF_FEATURE_UDHCP_PORT(" [-P N]")
+//usage:#define udhcpc_full_usage "\n"
+//usage:	IF_LONG_OPTS(
+//usage:     "\n	-i,--interface IFACE	Interface to use (default eth0)"
+//usage:     "\n	-p,--pidfile FILE	Create pidfile"
+//usage:     "\n	-r,--request IP		IP address to request"
+//usage:     "\n	-s,--script PROG	Run PROG at DHCP events (default "CONFIG_UDHCPC_DEFAULT_SCRIPT")"
+//usage:     "\n	-t,--retries N		Send up to N discover packets"
+//usage:     "\n	-T,--timeout N		Pause between packets (default 3 seconds)"
+//usage:     "\n	-A,--tryagain N		Wait N seconds after failure (default 20)"
+//usage:     "\n	-f,--foreground		Run in foreground"
+//usage:	USE_FOR_MMU(
+//usage:     "\n	-b,--background		Background if lease is not obtained"
+//usage:	)
+//usage:     "\n	-S,--syslog		Log to syslog too"
+//usage:     "\n	-n,--now		Exit if lease is not obtained"
+//usage:     "\n	-q,--quit		Exit after obtaining lease"
+//usage:     "\n	-R,--release		Release IP on exit"
+//usage:	IF_FEATURE_UDHCP_PORT(
+//usage:     "\n	-P,--client-port N	Use port N (default 68)"
+//usage:	)
+//usage:	IF_FEATURE_UDHCPC_ARPING(
+//usage:     "\n	-a,--arping		Use arping to validate offered address"
+//usage:	)
+//usage:     "\n	-O,--request-option OPT	Request DHCP option OPT (cumulative)"
+//usage:     "\n	-o,--no-default-options	Don't request any options (unless -O is given)"
+//usage:     "\n	-x OPT:VAL		Include option OPT in sent packets (cumulative)"
+//usage:     "\n	-F,--fqdn NAME		Ask server to update DNS mapping for NAME"
+//usage:     "\n	-H,-h,--hostname NAME	Send NAME as client hostname (default none)"
+//usage:     "\n	-V,--vendorclass VENDOR	Vendor identifier (default 'udhcp VERSION')"
+//usage:     "\n	-c,--clientid CLIENTID	Client identifier (default own MAC)"
+//usage:     "\n	-C,--clientid-none	Don't send client identifier"
+//usage:	IF_UDHCP_VERBOSE(
+//usage:     "\n	-v			Verbose"
+//usage:	)
+//usage:	)
+//usage:	IF_NOT_LONG_OPTS(
+//usage:     "\n	-i IFACE	Interface to use (default eth0)"
+//usage:     "\n	-p FILE		Create pidfile"
+//usage:     "\n	-r IP		IP address to request"
+//usage:     "\n	-s PROG		Run PROG at DHCP events (default "CONFIG_UDHCPC_DEFAULT_SCRIPT")"
+//usage:     "\n	-t N		Send up to N discover packets"
+//usage:     "\n	-T N		Pause between packets (default 3 seconds)"
+//usage:     "\n	-A N		Wait N seconds (default 20) after failure"
+//usage:     "\n	-x OPT:VAL	Include option OPT in sent packets"
+//usage:     "\n	-O OPT		Request DHCP option OPT (cumulative)"
+//usage:     "\n	-o		Don't request any options (unless -O is given)"
+//usage:     "\n	-f		Run in foreground"
+//usage:	USE_FOR_MMU(
+//usage:     "\n	-b		Background if lease is not obtained"
+//usage:	)
+//usage:     "\n	-S		Log to syslog too"
+//usage:     "\n	-n		Exit if lease is not obtained"
+//usage:     "\n	-q		Exit after obtaining lease"
+//usage:     "\n	-R		Release IP on exit"
+//usage:	IF_FEATURE_UDHCP_PORT(
+//usage:     "\n	-P N		Use port N (default 68)"
+//usage:	)
+//usage:	IF_FEATURE_UDHCPC_ARPING(
+//usage:     "\n	-a		Use arping to validate offered address"
+//usage:	)
+//usage:     "\n	-F NAME		Ask server to update DNS mapping for NAME"
+//usage:     "\n	-H,-h NAME	Send NAME as client hostname (default none)"
+//usage:     "\n	-V VENDOR	Vendor identifier (default 'udhcp VERSION')"
+//usage:     "\n	-c CLIENTID	Client identifier (default own MAC)"
+//usage:     "\n	-C		Don't send client identifier"
+//usage:	IF_UDHCP_VERBOSE(
+//usage:     "\n	-v		Verbose"
+//usage:	)
+//usage:	)
+
 int udhcpc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int udhcpc_main(int argc UNUSED_PARAM, char **argv)
 {