config: trim/improve item names and help texts, take 2

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

editors/awk.c

@@ -11,8 +11,7 @@
 //config:	bool "awk (22 kb)"
 //config:	default y
 //config:	help
-//config:	Awk is used as a pattern scanning and processing language. This is
+//config:	Awk is used as a pattern scanning and processing language.
-//config:	the BusyBox implementation of that programming language.
 //config:
 //config:config FEATURE_AWK_LIBM
 //config:	bool "Enable math functions (requires libm)"

loginutils/login.c

@@ -9,7 +9,7 @@
 //config:	help
 //config:	login is used when signing onto a system.
 //config:
-//config:	Note that Busybox binary must be setuid root for this applet to
+//config:	Note that busybox binary must be setuid root for this applet to
 //config:	work properly.
 //config:
 //config:config LOGIN_SESSION_AS_CHILD

loginutils/passwd.c

@@ -12,7 +12,7 @@
 //config:	may change the password for any account. The administrator of a group
 //config:	may change the password for the group.
 //config:
-//config:	Note that Busybox binary must be setuid root for this applet to
+//config:	Note that busybox binary must be setuid root for this applet to
 //config:	work properly.
 //config:
 //config:config FEATURE_PASSWD_WEAK_CHECK

loginutils/vlock.c

@@ -21,7 +21,7 @@
 //config:	help
 //config:	Build the "vlock" applet which allows you to lock (virtual) terminals.
 //config:
-//config:	Note that Busybox binary must be setuid root for this applet to
+//config:	Note that busybox binary must be setuid root for this applet to
 //config:	work properly.
 
 //applet:/* Needs to be run by root or be suid root - needs to change uid and gid: */

miscutils/crontab.c

@@ -15,7 +15,7 @@
 //config:	help
 //config:	Crontab manipulates the crontab for a particular user. Only
 //config:	the superuser may specify a different user and/or crontab directory.
-//config:	Note that Busybox binary must be setuid root for this applet to
+//config:	Note that busybox binary must be setuid root for this applet to
 //config:	work properly.
 
 /* Needs to be run by root or be suid root - needs to change /var/spool/cron* files: */

networking/ftpd.c

@@ -18,11 +18,12 @@
 //config:	Simple FTP daemon. You have to run it via inetd.
 //config:
 //config:config FEATURE_FTPD_WRITE
-//config:	bool "Enable upload commands"
+//config:	bool "Enable -w (upload commands)"
 //config:	default y
 //config:	depends on FTPD
 //config:	help
-//config:	Enable all kinds of FTP upload commands (-w option)
+//config:	Enable -w option. "ftpd -w" will accept upload commands
+//config:	such as STOR, STOU, APPE, DELE, MKD, RMD, rename commands.
 //config:
 //config:config FEATURE_FTPD_ACCEPT_BROKEN_LIST
 //config:	bool "Enable workaround for RFC-violating clients"
@@ -40,7 +41,13 @@
 //config:	default y
 //config:	depends on FTPD
 //config:	help
-//config:	Enable basic system login as seen in telnet etc.
+//config:	Require login, and change to logged in user's UID:GID before
+//config:	accessing any files. Option "-a USER" allows "anonymous"
+//config:	logins (treats them as if USER logged in).
+//config:
+//config:	If this option is not selected, ftpd runs with the rights
+//config:	of the user it was started under, and does not require login.
+//config:	Take care to not launch it under root.
 
 //applet:IF_FTPD(APPLET(ftpd, BB_DIR_USR_SBIN, BB_SUID_DROP))
 

networking/ifupdown.c

@@ -59,11 +59,11 @@
 //config:	than the default of using the older "ifconfig" and "route" utilities.
 //config:
 //config:	If Y: you must install either the full-blown iproute2 package
-//config:	or enable "ip" applet in Busybox, or the "ifup" and "ifdown" applets
+//config:	or enable "ip" applet in busybox, or the "ifup" and "ifdown" applets
 //config:	will not work.
 //config:
 //config:	If N: you must install either the full-blown ifconfig and route
-//config:	utilities, or enable these applets in Busybox.
+//config:	utilities, or enable these applets in busybox.
 //config:
 //config:config FEATURE_IFUPDOWN_IPV4
 //config:	bool "Support IPv4"

networking/ip.c

@@ -14,8 +14,10 @@
 //config:	select PLATFORM_LINUX
 //config:	help
 //config:	The "ip" applet is a TCP/IP interface configuration and routing
-//config:	utility. You generally don't need "ip" to use busybox with
+//config:	utility.
-//config:	TCP/IP.
+//config:	Short forms (enabled below) are busybox-specific extensions.
+//config:	The standard "ip" utility does not provide them. If you are
+//config:	trying to be portable, it's better to use "ip CMD" forms.
 //config:
 //config:config IPADDR
 //config:	bool "ipaddr (14 kb)"
@@ -23,7 +25,7 @@
 //config:	select FEATURE_IP_ADDRESS
 //config:	select PLATFORM_LINUX
 //config:	help
-//config:	Support short form of ip addr: ipaddr
+//config:	Short form of "ip addr"
 //config:
 //config:config IPLINK
 //config:	bool "iplink (16 kb)"
@@ -31,7 +33,7 @@
 //config:	select FEATURE_IP_LINK
 //config:	select PLATFORM_LINUX
 //config:	help
-//config:	Support short form of ip link: iplink
+//config:	Short form of "ip link"
 //config:
 //config:config IPROUTE
 //config:	bool "iproute (15 kb)"
@@ -39,7 +41,7 @@
 //config:	select FEATURE_IP_ROUTE
 //config:	select PLATFORM_LINUX
 //config:	help
-//config:	Support short form of ip route: iproute
+//config:	Short form of "ip route"
 //config:
 //config:config IPTUNNEL
 //config:	bool "iptunnel (9.6 kb)"
@@ -47,7 +49,7 @@
 //config:	select FEATURE_IP_TUNNEL
 //config:	select PLATFORM_LINUX
 //config:	help
-//config:	Support short form of ip tunnel: iptunnel
+//config:	Short form of "ip tunnel"
 //config:
 //config:config IPRULE
 //config:	bool "iprule (10 kb)"
@@ -55,7 +57,7 @@
 //config:	select FEATURE_IP_RULE
 //config:	select PLATFORM_LINUX
 //config:	help
-//config:	Support short form of ip rule: iprule
+//config:	Short form of "ip rule"
 //config:
 //config:config IPNEIGH
 //config:	bool "ipneigh (8.3 kb)"
@@ -63,7 +65,7 @@
 //config:	select FEATURE_IP_NEIGH
 //config:	select PLATFORM_LINUX
 //config:	help
-//config:	Support short form of ip neigh: ipneigh
+//config:	Short form of "ip neigh"
 //config:
 //config:config FEATURE_IP_ADDRESS
 //config:	bool "ip address"

networking/telnetd.c

@@ -54,7 +54,7 @@
 //config:
 //config:	You need to be sure that busybox has LOGIN and
 //config:	FEATURE_SUID enabled. And finally, you should make
-//config:	certain that Busybox has been installed setuid root:
+//config:	certain that busybox has been installed setuid root:
 //config:
 //config:		chown root.root /bin/busybox
 //config:		chmod 4755 /bin/busybox

networking/tftp.c

@@ -22,15 +22,20 @@
 //config:	bool "tftp (12 kb)"
 //config:	default y
 //config:	help
-//config:	This enables the Trivial File Transfer Protocol client program. TFTP
+//config:	Trivial File Transfer Protocol client. TFTP is usually used
-//config:	is usually used for simple, small transfers such as a root image
+//config:	for simple, small transfers such as a root image
 //config:	for a network-enabled bootloader.
 //config:
+//config:config FEATURE_TFTP_PROGRESS_BAR
+//config:	bool "Enable progress bar"
+//config:	default y
+//config:	depends on TFTP
+//config:
 //config:config TFTPD
 //config:	bool "tftpd (10 kb)"
 //config:	default y
 //config:	help
-//config:	This enables the Trivial File Transfer Protocol server program.
+//config:	Trivial File Transfer Protocol server.
 //config:	It expects that stdin is a datagram socket and a packet
 //config:	is already pending on it. It will exit after one transfer.
 //config:	In other words: it should be run from inetd in nowait mode,
@@ -68,11 +73,6 @@
 //config:	Allow tftp to specify block size, and tftpd to understand
 //config:	"blksize" and "tsize" options.
 //config:
-//config:config FEATURE_TFTP_PROGRESS_BAR
-//config:	bool "Enable progress bar"
-//config:	default y
-//config:	depends on TFTP && FEATURE_TFTP_BLOCKSIZE
-//config:
 //config:config TFTP_DEBUG
 //config:	bool "Enable debug"
 //config:	default n

networking/udhcp/Config.src

@@ -3,26 +3,14 @@
 # see scripts/kbuild/config-language.txt.
 #
 
-INSERT
-
 config UDHCPD
-	bool "udhcpd (DHCP server)"
+	bool "udhcpd"
 	default y
 	select PLATFORM_LINUX
 	help
 	udhcpd is a DHCP server geared primarily toward embedded systems,
 	while striving to be fully functional and RFC compliant.
 
-config FEATURE_UDHCPD_WRITE_LEASES_EARLY
-	bool "Rewrite the lease file at every new acknowledge"
-	default y
-	depends on UDHCPD
-	help
-	If selected, udhcpd will write a new file with leases every
-	time a new lease has been accepted, thus eliminating the need
-	to send SIGUSR1 for the initial writing or updating. Any timed
-	rewriting remains undisturbed.
-
 config FEATURE_UDHCPD_BASE_IP_ON_MAC
 	bool "Select IP address based on client MAC"
 	default n
@@ -37,6 +25,16 @@ config FEATURE_UDHCPD_BASE_IP_ON_MAC
 	for the same client to (almost always) contain the same
 	IP address.
 
+config FEATURE_UDHCPD_WRITE_LEASES_EARLY
+	bool "Rewrite lease file at every new acknowledge"
+	default y
+	depends on UDHCPD
+	help
+	If selected, udhcpd will write a new file with leases every
+	time a new lease has been accepted, thus eliminating the need
+	to send SIGUSR1 for the initial writing or updating. Any timed
+	rewriting remains undisturbed.
+
 config DHCPD_LEASES_FILE
 	string "Absolute path to lease file"
 	default "/var/lib/misc/udhcpd.leases"
@@ -57,12 +55,12 @@ config DHCPRELAY
 	bool "dhcprelay (5.8 kb)"
 	default y
 	help
-	dhcprelay listens for dhcp requests on one or more interfaces
+	dhcprelay listens for DHCP requests on one or more interfaces
-	and forwards these requests to a different interface or dhcp
+	and forwards these requests to a different interface or DHCP
 	server.
 
 config UDHCPC
-	bool "udhcpc (DHCP client)"
+	bool "udhcpc"
 	default y
 	select PLATFORM_LINUX
 	help
@@ -102,19 +100,25 @@ config UDHCPC_DEFAULT_SCRIPT
 	examples/udhcp for a working example. Normally it is safe
 	to leave this untouched.
 
+# udhcpc6 config is inserted here:
+INSERT
+
+comment "Common options for DHCP applets"
+        depends on UDHCPD || UDHCPC || UDHCPC6 || DHCPRELAY
+
 config FEATURE_UDHCP_PORT
 	bool "Enable '-P port' option for udhcpd and udhcpc"
 	default n
-	depends on UDHCPD || UDHCPC
+	depends on UDHCPD || UDHCPC || UDHCPC6
 	help
 	At the cost of ~300 bytes, enables -P port option.
 	This feature is typically not needed.
 
 config UDHCP_DEBUG
-	int "Maximum verbosity level for udhcp applets (0..9)"
+	int "Maximum verbosity level (0..9)"
 	default 9
 	range 0 9
-	depends on UDHCPD || UDHCPC || DHCPRELAY
+	depends on UDHCPD || UDHCPC || UDHCPC6 || DHCPRELAY
 	help
 	Verbosity can be increased with multiple -v options.
 	This option controls how high it can be cranked up.
@@ -122,23 +126,6 @@ config UDHCP_DEBUG
 	Bigger values result in bigger code. Levels above 1
 	are very verbose and useful for debugging only.
 
-config FEATURE_UDHCP_RFC3397
-	bool "Support RFC3397 domain search (experimental)"
-	default y
-	depends on UDHCPD || UDHCPC
-	help
-	If selected, both client and server will support passing of domain
-	search lists via option 119, specified in RFC 3397,
-	and SIP servers option 120, specified in RFC 3361.
-
-config FEATURE_UDHCP_8021Q
-	bool "Support 802.1Q VLAN parameters"
-	default y
-	depends on UDHCPD || UDHCPC
-	help
-	If selected, both client and server will support passing of VLAN
-	ID and priority via options 132 and 133 as per 802.1Q.
-
 config UDHCPC_SLACK_FOR_BUGGY_SERVERS
 	int "DHCP options slack buffer size"
 	default 80
@@ -149,10 +136,10 @@ config UDHCPC_SLACK_FOR_BUGGY_SERVERS
 	field larger than we expect (which might also be considered a
 	buffer overflow attempt). These packets are normally discarded.
 	If circumstances beyond your control force you to support such
-	servers, this may help. The upper limit (924) makes dhcpc accept
+	servers, this may help. The upper limit (924) makes udhcpc accept
 	even 1500 byte packets (maximum-sized ethernet packets).
 
-	This option does not make dhcp[cd] emit non-standard
+	This option does not make udhcp[cd] emit non-standard
 	sized packets.
 
 	Known buggy DHCP servers:
@@ -161,3 +148,20 @@ config UDHCPC_SLACK_FOR_BUGGY_SERVERS
 		maximum size of entire IP packet, and sends packets
 		which are 28 bytes too large.
 	Seednet (ISP) VDSL: sends packets 2 bytes too large.
+
+config FEATURE_UDHCP_RFC3397
+	bool "Support RFC 3397 domain search options"
+	default y
+	depends on UDHCPD || UDHCPC
+	help
+	If selected, both client and server will support passing of domain
+	search lists via option 119, specified in RFC 3397,
+	and SIP servers option 120, specified in RFC 3361.
+
+config FEATURE_UDHCP_8021Q
+	bool "Support 802.1Q VLAN parameters options"
+	default y
+	depends on UDHCPD || UDHCPC
+	help
+	If selected, both client and server will support passing of VLAN
+	ID and priority via options 132 and 133 as per 802.1Q.

networking/udhcp/d6_dhcpc.c

@@ -10,7 +10,7 @@
  */
 
 //config:config UDHCPC6
-//config:	bool "udhcpc6 (DHCPv6 client, EXPERIMENTAL)"
+//config:	bool "udhcpc6"
 //config:	default n  # not yet ready
 //config:	depends on FEATURE_IPV6
 //config:	help

util-linux/blkid.c

@@ -13,8 +13,6 @@
 //config:	select VOLUMEID
 //config:	help
 //config:	Lists labels and UUIDs of all filesystems.
-//config:	WARNING:
-//config:	With all submodules selected, it will add ~8k to busybox.
 //config:
 //config:config FEATURE_BLKID_TYPE
 //config:	bool "Print filesystem type"

util-linux/findfs.c

@@ -14,8 +14,6 @@
 //config:	select VOLUMEID
 //config:	help
 //config:	Prints the name of a filesystem with given label or UUID.
-//config:	WARNING:
-//config:	With all submodules selected, it will add ~8k to busybox.
 
 /* Benefits from suid root: better access to /dev/BLOCKDEVs: */
 //applet:IF_FINDFS(APPLET(findfs, BB_DIR_SBIN, BB_SUID_MAYBE))

util-linux/mdev.c

@@ -56,7 +56,7 @@
 //config:	For more information, please see docs/mdev.txt
 //config:
 //config:config FEATURE_MDEV_LOAD_FIRMWARE
-//config:	bool "Support loading of firmwares"
+//config:	bool "Support loading of firmware"
 //config:	default y
 //config:	depends on MDEV
 //config:	help

util-linux/mount.c

@@ -26,8 +26,7 @@
 //config:	tree. The 'mount' utility is used to graft a filesystem onto a
 //config:	particular part of the tree. A filesystem can either live on a block
 //config:	device, or it can be accessible over the network, as is the case with
-//config:	NFS filesystems. Most people using BusyBox will also want to enable
+//config:	NFS filesystems.
-//config:	the 'mount' utility.
 //config:
 //config:config FEATURE_MOUNT_FAKE
 //config:	bool "Support option -f"