Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

Merge ^/head r339015 through r339669.

Remove mse(4) from tree

Remove mse and all support for bus and inport devices from the tree.
Data from nycbug's dmesg database shows the last sighting of this
driver was in 4.10 on only one machine.

Remove mse(4) from tree

Remove mse and all support for bus and inport devices from the tree.
Data from nycbug's dmesg database shows the last sighting of this
driver was in 4.10 on only one machine.

Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D17628

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Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

Merge ^/head r339015 through r339669.

Remove mse(4) from tree

Remove mse and all support for bus and inport devices from the tree.
Data from nycbug's dmesg database shows the last sighting of this
driver was in 4.10 on only one machine.

Remove mse(4) from tree

Remove mse and all support for bus and inport devices from the tree.
Data from nycbug's dmesg database shows the last sighting of this
driver was in 4.10 on only one machine.

Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D17628

show more ...

Merge head

IFC @264767

Merge head up to r262222 (last merge was incomplete).

MFC @ r259205 in preparation for some SVM updates. (for real this time)

Performance and debugging enhancements:
+ Remove UNAME_P=$(...) from startup/misc -- already supplied by common.subr
+ Use f_getvar instead of $(eval echo \$$var) -- f_getvar is sub-shell free
+ Add

Performance and debugging enhancements:
+ Remove UNAME_P=$(...) from startup/misc -- already supplied by common.subr
+ Use f_getvar instead of $(eval echo \$$var) -- f_getvar is sub-shell free
+ Add `-e' and `-k var' options to f_eval_catch -- increasing use-cases
+ Use f_eval_catch to display errors on failure -- reducing duplicated code
+ Use f_eval_catch when we need output from a command -- improving debugging
+ Optimize f_isinter of strings.subr for performance -- now sub-shell free
+ Improve error checking on pidfiles -- using f_eval_catch and f_isinteger
+ Use $var_to_set arg of f_ifconfig_{inet,netmask} -- eliminate sub-shells
+ Use f_sprintf instead of $(printf ...) -- consolidate sub-shells
+ Use $var_to_set arg of f_route_get_default -- eliminate sub-shells
+ Add f_count to replace $(set -- ...;echo $#) -- eliminate sub-shells
+ Add f_count_ifs to replace $(IFS=x;set -- ...;echo $#) -- no sub-shells
+ Replace var="$var${var:+ }..." in loops with var="$var ..." with a follow-
up var="${var# }" to trim leading whitespace -- optimize loops
+ Use $var_to_set arg of f_resolv_conf_nameservers -- eliminate sub-shells
+ Comments for the f_eval_catch function
+ Remove a duplicate `local ... desc ...' in f_device_get_all of device.subr
+ Use $var_to_set arg of f_device_capacity -- eliminate sub-shells
+ Whitespace fixes in f_dialog_init of dialog.subr
+ Optimize f_inet_atoi of media/tcpip.subr for performance -- sub-shell free
+ In several cases, send stderr to /dev/null -- clean up runtime execution
+ Change f_err of common.subr to go to program stderr not terminal stderr,
allowing redirection of output from functions that use f_err
+ Disable debugging when using f_getvar to get variable argument to
f_startup_rcconf_map_expand of startup/rcconf.subr
+ Use f_replace_all instead of $(echo ... | tr | sed) -- performance
+ Add a $var_to_set option to f_index_{file,menusel_{command,keyword}} of
common.subr -- centralize sub-shells

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Merge head r233826 through r256722.

Merge from head

IFC @ r254014

IFC @ r253461

IFC @253398

Fix typos in the BSD License.

Be consistent with other usr.sbin programs w/respect to the copyright
wording ("All rights reserved."); I had the casing wrong on many instances.

IFC @ r252288

More whitespace.

IFC @ r252047

Merge fresh head.

Remove unnecessary loops, perform some code consolidation, and add some
additional error checking/reporting. (same thing going on here as SVN
r251905 -- just this time for the mouse module instead of

Remove unnecessary loops, perform some code consolidation, and add some
additional error checking/reporting. (same thing going on here as SVN
r251905 -- just this time for the mouse module instead of console)

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Whitespace.

Standardize the way functions build their arguments leading up to a dialog
invocation. Specifically, "top-load" your arguments and in the order in-
which they will be displayed. For example, many [if

Standardize the way functions build their arguments leading up to a dialog
invocation. Specifically, "top-load" your arguments and in the order in-
which they will be displayed. For example, many [if not all] widgets display
information in the following order, top-to-bottom (visually):

+ backtitle (displayed behind the widget at top-left)
+ title (at the top of the `window')
+ prompt text (just below the title and above whatever widget you choose)
+ Depending on widget, _one_ of the following:
- menu list
- radio list
- check list
- text input box with initial text
- [Xdialog(1)] 2x or 3x text input boxes
- [dialog(1)] a multi-part form
- progress bar
- etc. (many more widget choices)
+ buttons (right below the selected widget)
+ [dialog(1)] the hline (displayed at bottom of `window')

NOTE: Xdialog(1) accepts and silently ignores --hline

When building local arguments for your dialog invocation, if the value can't
be cleanly loaded into a local, add "# Calculated below" to the end of the
local declaration while retaining the block order of argument declarations.

Move other local declarations that are not associated with this top-loading
the dialog arguments to right-above where they are first-used.

Also, standardize on the names of the arguments. For example, always use
$prompt (instead of sometimes $msg and sometimes $prompt); use $menu_list
or $shell_list or $radio_list for those respective widgets; ad nauseum.

While we're doing this, flush-out full arguments for many invocations that
were passing NULL strings (making it unapparent if you were staring at this
one invocation what argument that NULL string was supposed to represent).

Last, while we're in startup/rcconf let's remove the unnecessary use of a
GLOBAL (RCCONF_MENU_LIST) for the menu_list.

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