udhcpc: better help text

function                                             old     new   delta
packed_usage                                       27452   27486     +34

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 864fcf6907a8e0ffdc0dbe65a29a4ac50adf72f9..9713e817eb7f22703f127c58b0a4c69f2bdb4395 100644 (file)
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -777,7 +777,6 @@ static void client_background(void)
 //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)"
@@ -786,10 +785,10 @@ static void client_background(void)
 //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:     "\n       -S,--syslog             Log to syslog too"
 //usage:       IF_FEATURE_UDHCP_PORT(
 //usage:     "\n       -P,--client-port N      Use port N (default 68)"
 //usage:       )
@@ -798,8 +797,12 @@ static void client_background(void)
 //usage:       )
 //usage:     "\n       -O,--request-option OPT Request option OPT from server (cumulative)"
 //usage:     "\n       -o,--no-default-options Don't request any options (unless -O is given)"
+//usage:     "\n       -r,--request IP         Request this IP address"
 //usage:     "\n       -x OPT:VAL              Include option OPT in sent packets (cumulative)"
-//usage:     "\n                               Examples: -x hostname:bbox -x 61:0100ffee11cc55"
+//usage:     "\n                               Examples of string, numeric, and hex byte opts:"
+//usage:     "\n                               -x hostname:bbox - option 12"
+//usage:     "\n                               -x lease:3600 - option 51 (lease time)"
+//usage:     "\n                               -x 0x3d:0100BEEFC0FFEE - option 61 (client id)"
 //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')"
@@ -811,29 +814,32 @@ static void client_background(void)
 //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 (cumulative)"
-//usage:     "\n                       Examples: -x hostname:bbox -x 61:0100ffee11cc55"
-//usage:     "\n       -O OPT          Request option OPT from server (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:     "\n       -S              Log to syslog too"
 //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       -O OPT          Request option OPT from server (cumulative)"
+//usage:     "\n       -o              Don't request any options (unless -O is given)"
+//usage:     "\n       -r IP           Request this IP address"
+//usage:     "\n       -x OPT:VAL      Include option OPT in sent packets (cumulative)"
+//usage:     "\n                       Examples of string, numeric, and hex byte opts:"
+//usage:     "\n                       -x hostname:bbox - option 12"
+//usage:     "\n                       -x lease:3600 - option 51 (lease time)"
+//usage:     "\n                       -x 0x3d:0100BEEFC0FFEE - option 61 (client id)"
 //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')"