Update license, change style, simplify makefile, and do not use gpp2.3

Signed-off-by: Mattias Andrée <maandree@kth.se>

16 files changed, 448 insertions, 1882 deletions

diff --git a/.gitignore b/.gitignore
index 12adeb2..e0f6042 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,25 +1,7 @@
-_/
-__pycache__/
-bin/
-obj/
-\#*\#
-.*
-!.git*
 *~
-*.swp
-*.swo
-*.bak
-*.pyc
-*.pyo
-*.install
-*.info
-*.gz
-*.pdf
-*.ps
-*.dvi
+*\#*
 *.o
 *.out
-*.so
 *.su
-*.gch
-
+mongo_*.h
+/mongoclock
diff --git a/COPYING b/COPYING
deleted file mode 100644
index 0f86c5c..0000000
--- a/COPYING
+++ /dev/null
@@ -1,16 +0,0 @@
-mongoclock - Just a humongous clock for the terminal
-
-Copyright © 2013, 2015  Mattias Andrée  (maandree@member.fsf.org)
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/DEPENDENCIES b/DEPENDENCIES
deleted file mode 100644
index 8cb6a25..0000000
--- a/DEPENDENCIES
+++ /dev/null
@@ -1,23 +0,0 @@
-RUNTIME DEPENDENCIES:
-
-	glibc
-	linux
-
-
-BUILD DEPENDENCIES:
-
-	glibc
-	gcc
-	sed
-	linux-api-headers
-	make
-	coreutils
-	texinfo (opt-out: for info manual)
-	gpp (http://www.github.com/maandree/gpp)
-
-
-INSTALL DEPENDENCIES:
-
-	make
-	coreutils
-
diff --git a/LICENSE b/LICENSE
index 94a9ed0..d4d1e8b 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,674 +1,15 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
+ISC License
 
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
+© 2013, 2015, 2017 Mattias Andrée <maandree@kth.se>
 
-                            Preamble
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
 
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-excuse you from the conditions of this License.  If you cannot convey a
-covered work so as to satisfy simultaneously your obligations under this
-License and any other pertinent obligations, then as a consequence you may
-not convey it at all.  For example, if you agree to terms that obligate you
-to collect a royalty for further conveying from those to whom you convey
-the Program, the only way you could satisfy both those terms and this
-License would be to refrain entirely from conveying the Program.
-
-  13. Use with the GNU Affero General Public License.
-
-  Notwithstanding any other provision of this License, you have
-permission to link or combine any covered work with a work licensed
-under version 3 of the GNU Affero General Public License into a single
-combined work, and to convey the resulting work.  The terms of this
-License will continue to apply to the part which is the covered work,
-but the special requirements of the GNU Affero General Public License,
-section 13, concerning interaction through a network will apply to the
-combination as such.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU General Public License from time to time.  Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU General
-Public License "or any later version" applies to it, you have the
-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
-  If the Program specifies that a proxy can decide which future
-versions of the GNU General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
-
-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
-  16. Limitation of Liability.
-
-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
-    <program>  Copyright (C) <year>  <name of author>
-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/Makefile b/Makefile
index 3be6906..b0a867a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,170 +1,68 @@
-# Copying and distribution of this file, with or without modification,
-# are permitted in any medium without royalty provided the copyright
-# notice and this notice are preserved.  This file is offered as-is,
-# without any warranty.
-
-PREFIX = /usr
-BIN = /bin
-DATA = /share
-BINDIR = $(PREFIX)$(BIN)
-DATADIR = $(PREFIX)$(DATA)
-DOCDIR = $(DATADIR)/doc
-INFODIR = $(DATADIR)/info
-MANDIR = $(DATADIR)/man
-MAN1DIR = $(MANDIR)/man1
-LICENSEDIR = $(DATADIR)/licenses
-
-PKGNAME = mongoclock
-COMMAND = mongoclock
-
-GPP = gpp
+.POSIX:
 
+CONFIGFILE = config.mk
+include $(CONFIGFILE)
 
-WARN = -Wall -Wextra -pedantic -Wdouble-promotion -Wformat=2 -Winit-self -Wmissing-include-dirs      \
-       -Wtrampolines -Wmissing-prototypes -Wmissing-declarations -Wnested-externs                    \
-       -Wno-variadic-macros -Wsync-nand -Wunsafe-loop-optimizations -Wcast-align                     \
-       -Wdeclaration-after-statement -Wundef -Wbad-function-cast -Wwrite-strings -Wlogical-op        \
-       -Wstrict-prototypes -Wold-style-definition -Wpacked -Wvector-operation-performance            \
-       -Wunsuffixed-float-constants -Wsuggest-attribute=const -Wsuggest-attribute=noreturn           \
-       -Wsuggest-attribute=format -Wnormalized=nfkc -Wshadow -Wredundant-decls -Winline -Wcast-qual  \
-       -Wsign-conversion -Wstrict-overflow=5 -Wconversion -Wsuggest-attribute=pure -Wswitch-default  \
-       -Wstrict-aliasing=1 -fstrict-overflow -Wfloat-equal -Wpadded -Waggregate-return               \
-       -Wtraditional-conversion
-
-FFLAGS = -fstrict-aliasing -fipa-pure-const -ftree-vrp -fstack-usage -funsafe-loop-optimizations
-STD = c99
-OPTIMISE = -O2
-
-FLAGS = $(OPTIMISE) -std=$(STD) $(WARN) $(FFLAGS)
-
-
-
-.PHONY: default
-default: command info
-
-.PHONY: all
-all: command doc
-
-.PHONY: base
-base: command
-
-.PHONY: command
-command: bin/mongoclock
+DIGITS =\
+	mongo_0.h mongo_1.h mongo_2.h mongo_3.h mongo_4.h \
+	mongo_5.h mongo_6.h mongo_7.h mongo_8.h mongo_9.h \
+	mongo_c.h
 
-bin/mongoclock: obj/mongoclock.o
-	mkdir -p bin
-	$(CC) $(FLAGS) -o $@ $^ $(LDFLAGS)
+all: mongoclock
 
-obj/mongoclock.o: obj/mongoclock.c
-	$(CC) $(FLAGS) -c -o $@ $< $(CPPFLAGS) $(CFLAGS)
+mongoclock: mongoclock.o
+	$(CC) -o $@ $^ $(LDFLAGS)
 
-obj/mongoclock.c: src/mongoclock.c
-	mkdir -p obj
-	$(GPP) -s '$$' -i $< -o $@
+mongoclock.o: mongoclock.c $(DIGITS)
+	$(CC) -c -o $@ mongoclock.c $(CPPFLAGS) $(CFLAGS)
 
-.PHONY: doc
-doc: info pdf dvi ps
+mongo_0.h: digit.sh
+	./digit.sh 0 > $@
 
-.PHONY: info
-info: bin/mongoclock.info
+mongo_1.h: digit.sh
+	./digit.sh 1 > $@
 
-.PHONY: info
-info: bin/mongoclock.info
-bin/%.info: doc/info/%.texinfo
-	@mkdir -p bin
-	$(MAKEINFO) $<
-	mv $*.info $@
+mongo_2.h: digit.sh
+	./digit.sh 2 > $@
 
-.PHONY: pdf
-pdf: bin/mongoclock.pdf
-bin/%.pdf: doc/info/%.texinfo
-	@! test -d obj/pdf || rm -rf obj/pdf
-	@mkdir -p bin obj/pdf
-	cd obj/pdf && texi2pdf ../../"$<" < /dev/null
-	mv obj/pdf/$*.pdf $@
+mongo_3.h: digit.sh
+	./digit.sh 3 > $@
 
-.PHONY: dvi
-dvi: bin/mongoclock.dvi
-bin/%.dvi: doc/info/%.texinfo
-	@! test -d obj/dvi || rm -rf obj/dvi
-	@mkdir -p bin obj/dvi
-	cd obj/dvi && $(TEXI2DVI) ../../"$<" < /dev/null
-	mv obj/dvi/$*.dvi $@
+mongo_4.h: digit.sh
+	./digit.sh 4 > $@
 
-.PHONY: ps
-ps: bin/mongoclock.ps
-bin/%.ps: doc/info/%.texinfo
-	@! test -d obj/ps || rm -rf obj/ps
-	@mkdir -p bin obj/ps
-	cd obj/ps && texi2pdf --ps ../../"$<" < /dev/null
-	mv obj/ps/$*.ps $@
+mongo_5.h: digit.sh
+	./digit.sh 5 > $@
 
+mongo_6.h: digit.sh
+	./digit.sh 6 > $@
 
+mongo_7.h: digit.sh
+	./digit.sh 7 > $@
 
-.PHONY: install
-install: install-base install-info install-man
+mongo_8.h: digit.sh
+	./digit.sh 8 > $@
 
-.PHONY: install-all
-install-all: install-base install-doc
+mongo_9.h: digit.sh
+	./digit.sh 9 > $@
 
-.PHONY: install-base
-install-base: install-command install-license
+mongo_c.h: digit.sh
+	./digit.sh c > $@
 
-.PHONY: install-command
-install-command: bin/mongoclock
-	install -dm755   -- "$(DESTDIR)$(BINDIR)"
-	install -m755 $< -- "$(DESTDIR)$(BINDIR)/$(COMMAND)"
+install: mongoclock
+	mkdir -p -- "$(DESTDIR)$(PREFIX)/bin"
+	mkdir -p -- "$(DESTDIR)$(PREFIX)/share/licenses/mongoclock"
+	mkdir -p -- "$(DESTDIR)$(MANPREFIX)/man1"
+	cp -- mongoclock "$(DESTDIR)$(PREFIX)/bin/"
+	cp -- LICENSE "$(DESTDIR)$(PREFIX)/share/licenses/mongoclock/"
+	cp -- mongoclock.1 "$(DESTDIR)$(MANPREFIX)/man1/"
 
-.PHONY: install-license
-install-license:
-	install -dm755                -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-	install -m644 COPYING LICENSE -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-
-.PHONY: install-doc
-install-doc: install-info install-pdf install-dvi install-ps install-man
-
-.PHONY: install-info
-install-info: bin/mongoclock.info
-	install -dm755   -- "$(DESTDIR)$(INFODIR)"
-	install -m644 $< -- "$(DESTDIR)$(INFODIR)/$(PKGNAME).info"
-
-.PHONY: install-pdf
-install-pdf: bin/mongoclock.pdf
-	install -dm755   -- "$(DESTDIR)$(DOCDIR)"
-	install -m644 $< -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).pdf"
-
-.PHONY: install-dvi
-install-dvi: bin/mongoclock.dvi
-	install -dm755   -- "$(DESTDIR)$(DOCDIR)"
-	install -m644 $< -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).dvi"
-
-.PHONY: install-ps
-install-ps: bin/mongoclock.ps
-	install -dm755   -- "$(DESTDIR)$(DOCDIR)"
-	install -m644 $< -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).ps"
-
-.PHONY: install-man
-install-man: doc/man/mongoclock.1
-	install -dm755   -- "$(DESTDIR)$(MAN1DIR)"
-	install -m644 $< -- "$(DESTDIR)$(MAN1DIR)/$(COMMAND).1"
-
-
-
-.PHONY: uninstall
 uninstall:
-	-rm    -- "$(DESTDIR)$(BINDIR)/$(COMMAND)"
-	-rm    -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/COPYING"
-	-rm    -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/LICENSE"
-	-rmdir -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-	-rm    -- "$(DESTDIR)$(INFODIR)/$(PKGNAME).info"
-	-rm    -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).pdf"
-	-rm    -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).dvi"
-	-rm    -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).ps"
-	-rm    -- "$(DESTDIR)$(MAN1DIR)/$(COMMAND).1"
-
-
+	-rm -- "$(DESTDIR)$(PREFIX)/bin/mongoclock"
+	-rm -- "$(DESTDIR)$(MANPREFIX)/man1/mongoclock.1"
+	-rm -r -- "$(DESTDIR)$(PREFIX)/share/licenses/mongoclock"
 
-.PHONY: clean
 clean:
-	-rm -f bin obj
+	-rm -f -- *.o mongoclock mongo_*.h
 
+.PHONY: all install uninstall clean
diff --git a/README b/README
index e129b94..7f23ec1 100644
--- a/README
+++ b/README
@@ -34,5 +34,3 @@ RATIONALE
 
 SEE ALSO
 	watch(1)
-
-	Full documentation available locally via: info '(mongoclock)'
diff --git a/config.mk b/config.mk
new file mode 100644
index 0000000..9e148ca
--- /dev/null
+++ b/config.mk
@@ -0,0 +1,6 @@
+PREFIX = /usr/local
+MANPREFIX = $(PREFIX)/share/man
+
+CFLAGS   = -std=c99 -Wall -Wextra -O2
+CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700
+LDFLAGS  = -s
diff --git a/digit.sh b/digit.sh
new file mode 100755
index 0000000..c7e7fe7
--- /dev/null
+++ b/digit.sh
@@ -0,0 +1,210 @@
+#!/bin/sh
+
+mongo_0() {
+	printf '%s\n' \
+	       '    [XXXX]      ' \
+	       '  [XX]  [XX]    ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]  []  [XX]  ' \
+	       '[XX]  []  [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '  [XX]  [XX]    ' \
+	       '    [XXXX]      '
+}
+
+mongo_1() {
+	printf '%s\n' \
+	       '      [XX]      ' \
+	       '    [XXXX]      ' \
+	       '  [XXXXXX]      ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '  [XXXXXXXXXX]  '
+}
+
+mongo_2() {
+	printf '%s\n' \
+	       '  [XXXXXXXX]    ' \
+	       '[XX]      [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '        [XX]    ' \
+	       '      [XX]      ' \
+	       '    [XX]        ' \
+	       '  [XX]          ' \
+	       '[XX]            ' \
+	       '[XX]      [XX]  ' \
+	       '[XXXXXXXXXXXX]  '
+}
+
+mongo_3() {
+	printf '%s\n' \
+	       '  [XXXXXXXX]    ' \
+	       '[XX]      [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '    [XXXXXX]    ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '  [XXXXXXXX]    '
+}
+
+mongo_4() {
+	printf '%s\n' \
+	       '        [XX]    ' \
+	       '      [XXXX]    ' \
+	       '    [XXXXXX]    ' \
+	       '  [XX]  [XX]    ' \
+	       '[XX]    [XX]    ' \
+	       '[XXXXXXXXXXXX]  ' \
+	       '        [XX]    ' \
+	       '        [XX]    ' \
+	       '        [XX]    ' \
+	       '        [XX]    ' \
+	       '        [XX]    ' \
+	       '      [XXXXXX]  '
+}
+
+mongo_5() {
+	printf '%s\n' \
+	       '[XXXXXXXXXXXX]  ' \
+	       '[XX]            ' \
+	       '[XX]            ' \
+	       '[XX]            ' \
+	       '[XX]            ' \
+	       '[XXXXXXXXXX]    ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '  [XXXXXXXX]    '
+}
+
+mongo_6() {
+	printf '%s\n' \
+	       '      [XXXX]    ' \
+	       '    [XX]        ' \
+	       '  [XX]          ' \
+	       '[XX]            ' \
+	       '[XX]            ' \
+	       '[XXXXXXXXXX]    ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '  [XXXXXXXX]    '
+}
+
+mongo_7() {
+	printf '%s\n' \
+	       '[XXXXXXXXXXXX]  ' \
+	       '[XX]      [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '        [XX]    ' \
+	       '      [XX]      ' \
+	       '    [XX]        ' \
+	       '    [XX]        ' \
+	       '    [XX]        ' \
+	       '    [XX]        ' \
+	       '    [XX]        ' \
+	       '    [XX]        '
+}
+
+mongo_8() {
+	printf '%s\n' \
+	       '  [XXXXXXXX]    ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '  [XXXXXXXX]    ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '  [XXXXXXXX]    '
+}
+
+mongo_9() {
+	printf '%s\n' \
+	       '  [XXXXXXXX]    ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '[XX]      [XX]  ' \
+	       '  [XXXXXXXXXX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '          [XX]  ' \
+	       '        [XX]    ' \
+	       '      [XX]      ' \
+	       '  [XXXX]        '
+}
+
+mongo_c() {
+	printf '%s\n' \
+	       '                ' \
+	       '                ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '                ' \
+	       '                ' \
+	       '                ' \
+	       '                ' \
+	       '      [XX]      ' \
+	       '      [XX]      ' \
+	       '                ' \
+	       '                '
+}
+
+digit() {
+	if test "$1" = 0; then
+		mongo_0
+	elif test "$1" = 1; then
+		mongo_1
+	elif test "$1" = 2; then
+		mongo_2
+	elif test "$1" = 3; then
+		mongo_3
+	elif test "$1" = 4; then
+		mongo_4
+	elif test "$1" = 5; then
+		mongo_5
+	elif test "$1" = 6; then
+		mongo_6
+	elif test "$1" = 7; then
+		mongo_7
+	elif test "$1" = 8; then
+		mongo_8
+	elif test "$1" = 9; then
+		mongo_9
+	else
+		mongo_c
+	fi
+}
+
+printf 'static const char *mongo_%s[] = {\n' "$1"
+digit "$1" | \
+    sed -e 's/X/ /g' -e 's/\[/\\033\[7m /g' -e 's/\]/\\033\[m /g' | \
+    sed -e 's/^/"/' -e 's/$/",/' | \
+    sed '$s/,$//'
+printf '};\n'
diff --git a/dist/archlinux/stable/.gitignore b/dist/archlinux/stable/.gitignore
deleted file mode 100644
index 81fed16..0000000
--- a/dist/archlinux/stable/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-*
-!/PKGBUILD
-!/mongoclock.install
-!/.gitignore
diff --git a/dist/archlinux/stable/PKGBUILD b/dist/archlinux/stable/PKGBUILD
deleted file mode 100644
index b77c0ed..0000000
--- a/dist/archlinux/stable/PKGBUILD
+++ /dev/null
@@ -1,26 +0,0 @@
-# Maintainer: Mattias Andrée <`base64 -d`(bWFhbmRyZWUK)@member.fsf.org>
-
-pkgname=mongoclock
-pkgver=2.2
-pkgrel=2
-pkgdesc='Just a humongous clock for the terminal'
-arch=(any)
-url='https://github.com/maandree/mongoclock'
-license=('GPL3')
-depends=(glibc linux)
-makedepends=(linux-api-headers general-preprocessor texinfo)
-install=mongoclock.install
-source=("${url}/archive/${pkgver}.tar.gz")
-sha256sums=(ae2298905a2f729679fddaeb732183b95607438af62dca02bdf5ae0a1b29e950)
-
-
-build() {
-    cd "$srcdir/mongoclock-$pkgver"
-    make
-}
-
-package() {
-    cd "$srcdir/mongoclock-$pkgver"
-    make DESTDIR="${pkgdir}" install
-}
-
diff --git a/dist/archlinux/stable/mongoclock.install b/dist/archlinux/stable/mongoclock.install
deleted file mode 100644
index e9a601a..0000000
--- a/dist/archlinux/stable/mongoclock.install
+++ /dev/null
@@ -1,20 +0,0 @@
-_file="mongoclock"
-
-infodir="usr/share/info"
-file="${_file}.info"
-
-
-post_install() {
-  [[ -x "usr/bin/install-info" ]] || return 0
-  install-info -- "${infodir}/${file}" "${infodir}/dir" 2> /dev/null
-}
-
-post_upgrade() {
-  post_install "$1"
-}
-
-pre_remove() {
-  [[ -x "usr/bin/install-info" ]] || return 0
-  install-info --delete -- "${infodir}/${file}" "${infodir}/dir" 2> /dev/null
-}
-
diff --git a/doc/info/fdl.texinfo b/doc/info/fdl.texinfo
deleted file mode 100644
index cb71f05..0000000
--- a/doc/info/fdl.texinfo
+++ /dev/null
@@ -1,505 +0,0 @@
-@c The GNU Free Documentation License.
-@center Version 1.3, 3 November 2008
-
-@c This file is intended to be included within another document,
-@c hence no sectioning command or @node.
-
-@display
-Copyright @copyright{} 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
-@uref{http://fsf.org/}
-
-Everyone is permitted to copy and distribute verbatim copies
-of this license document, but changing it is not allowed.
-@end display
-
-@enumerate 0
-@item
-PREAMBLE
-
-The purpose of this License is to make a manual, textbook, or other
-functional and useful document @dfn{free} in the sense of freedom: to
-assure everyone the effective freedom to copy and redistribute it,
-with or without modifying it, either commercially or noncommercially.
-Secondarily, this License preserves for the author and publisher a way
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-for modifications made by others.
-
-This License is a kind of ``copyleft'', which means that derivative
-works of the document must themselves be free in the same sense.  It
-complements the GNU General Public License, which is a copyleft
-license designed for free software.
-
-We have designed this License in order to use it for manuals for free
-software, because free software needs free documentation: a free
-program should come with manuals providing the same freedoms that the
-software does.  But this License is not limited to software manuals;
-it can be used for any textual work, regardless of subject matter or
-whether it is published as a printed book.  We recommend this License
-principally for works whose purpose is instruction or reference.
-
-@item
-APPLICABILITY AND DEFINITIONS
-
-This License applies to any manual or other work, in any medium, that
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-MODIFICATIONS
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-Version filling the role of the Document, thus licensing distribution
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-List on the Title Page, as authors, one or more persons or entities
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-State on the Title page the name of the publisher of the
-Modified Version, as the publisher.
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-Preserve all the copyright notices of the Document.
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-Add an appropriate copyright notice for your modifications
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-Include, immediately after the copyright notices, a license notice
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-Include an unaltered copy of this License.
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-Preserve the section Entitled ``History'', Preserve its Title, and add
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-Preserve any Warranty Disclaimers.
-@end enumerate
-
-If the Modified Version includes new front-matter sections or
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-you may not add another; but you may replace the old one, on explicit
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-The author(s) and publisher(s) of the Document do not by this License
-give permission to use their names for publicity for or to assert or
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-COMBINING DOCUMENTS
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-You may combine the Document with other documents released under this
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-Invariant Sections of all of the original documents, unmodified, and
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-license notice, and that you preserve all their Warranty Disclaimers.
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-Make the same adjustment to the section titles in the list of
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-In the combination, you must combine any sections Entitled ``History''
-in the various original documents, forming one section Entitled
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-and any sections Entitled ``Dedications''.  You must delete all
-sections Entitled ``Endorsements.''
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-@item
-COLLECTIONS OF DOCUMENTS
-
-You may make a collection consisting of the Document and other documents
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-License in the various documents with a single copy that is included in
-the collection, provided that you follow the rules of this License for
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-You may extract a single document from such a collection, and distribute
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-other respects regarding verbatim copying of that document.
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-AGGREGATION WITH INDEPENDENT WORKS
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-A compilation of the Document or its derivatives with other separate
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-When the Document is included in an aggregate, this License does not
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-TRANSLATION
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-translation of this License, and all the license notices in the
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-the original English version of this License and the original versions
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-its Title (section 1) will typically require changing the actual
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-@item
-TERMINATION
-
-You may not copy, modify, sublicense, or distribute the Document
-except as expressly provided under this License.  Any attempt
-otherwise to copy, modify, sublicense, or distribute it is void, and
-will automatically terminate your rights under this License.
-
-However, if you cease all violation of this License, then your license
-from a particular copyright holder is reinstated (a) provisionally,
-unless and until the copyright holder explicitly and finally
-terminates your license, and (b) permanently, if the copyright holder
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-60 days after the cessation.
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-violation by some reasonable means, this is the first time you have
-received notice of violation of this License (for any work) from that
-copyright holder, and you cure the violation prior to 30 days after
-your receipt of the notice.
-
-Termination of your rights under this section does not terminate the
-licenses of parties who have received copies or rights from you under
-this License.  If your rights have been terminated and not permanently
-reinstated, receipt of a copy of some or all of the same material does
-not give you any rights to use it.
-
-@item
-FUTURE REVISIONS OF THIS LICENSE
-
-The Free Software Foundation may publish new, revised versions
-of the GNU Free Documentation License from time to time.  Such new
-versions will be similar in spirit to the present version, but may
-differ in detail to address new problems or concerns.  See
-@uref{http://www.gnu.org/copyleft/}.
-
-Each version of the License is given a distinguishing version number.
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-version permanently authorizes you to choose that version for the
-Document.
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-RELICENSING
-
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-site means any set of copyrightable works thus published on the MMC
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-license published by Creative Commons Corporation, a not-for-profit
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-California, as well as future copyleft versions of that license
-published by that same organization.
-
-``Incorporate'' means to publish or republish a Document, in whole or
-in part, as part of another Document.
-
-An MMC is ``eligible for relicensing'' if it is licensed under this
-License, and if all works that were first published under this License
-somewhere other than this MMC, and subsequently incorporated in whole
-or in part into the MMC, (1) had no cover texts or invariant sections,
-and (2) were thus incorporated prior to November 1, 2008.
-
-The operator of an MMC Site may republish an MMC contained in the site
-under CC-BY-SA on the same site at any time before August 1, 2009,
-provided the MMC is eligible for relicensing.
-
-@end enumerate
-
-@page
-@heading ADDENDUM: How to use this License for your documents
-
-To use this License in a document you have written, include a copy of
-the License in the document and put the following copyright and
-license notices just after the title page:
-
-@smallexample
-@group
-  Copyright (C)  @var{year}  @var{your name}.
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.3
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts.  A copy of the license is included in the section entitled ``GNU
-  Free Documentation License''.
-@end group
-@end smallexample
-
-If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
-replace the ``with@dots{}Texts.''@: line with this:
-
-@smallexample
-@group
-    with the Invariant Sections being @var{list their titles}, with
-    the Front-Cover Texts being @var{list}, and with the Back-Cover Texts
-    being @var{list}.
-@end group
-@end smallexample
-
-If you have Invariant Sections without Cover Texts, or some other
-combination of the three, merge those two alternatives to suit the
-situation.
-
-If your document contains nontrivial examples of program code, we
-recommend releasing these examples in parallel under your choice of
-free software license, such as the GNU General Public License,
-to permit their use in free software.
-
-@c Local Variables:
-@c ispell-local-pdict: "ispell-dict"
-@c End:
diff --git a/doc/info/mongoclock.texinfo b/doc/info/mongoclock.texinfo
deleted file mode 100644
index 43f0c2f..0000000
--- a/doc/info/mongoclock.texinfo
+++ /dev/null
@@ -1,113 +0,0 @@
-\input texinfo   @c -*-texinfo-*-
-
-@c %**start of header
-@setfilename mongoclock.info
-@settitle mongoclock
-@afourpaper
-@documentencoding UTF-8
-@documentlanguage en
-@finalout
-@c %**end of header
-
-
-@dircategory Miscellaneous
-@direntry
-* mongoclock: (mongoclock).          Just a humongous clock for the terminal
-@end direntry
-
-
-@copying
-Copyright @copyright{} 2013, 2015  Mattias Andrée
-
-@quotation
-Permission is granted to copy, distribute and/or modify this document
-under the terms of the GNU Free Documentation License, Version 1.3 or
-any later version published by the Free Software Foundation; with no
-Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
-Texts. A copy of the license is included in the section entitled
-``GNU Free Documentation License''.
-@end quotation
-@end copying
-
-@ifnottex
-@node Top
-@top mongoclock -- Just a humongous clock for the terminal
-@insertcopying
-@end ifnottex
-
-@titlepage
-@title mongoclock
-@subtitle Just a humongous clock for the terminal
-@author by Mattias Andrée (maandree)
-
-@page
-@vskip 0pt plus 1filll
-@insertcopying
-@end titlepage
-
-@contents
-
-
-
-@menu
-* Overview::                        Brief overview of @command{mongoclock}.
-* Invoking::                        Executing @command{mongoclock}.
-* Configuring::                     Configure @command{mongoclock}'s glorious look-and-feel.
-* GNU Free Documentation License::  Copying and sharing this manual.
-@end menu
-
-
-
-@node Overview
-@chapter Overview
-
-@command{mongoclock} is a humongous clock for the terminal. It will
-display the time in either, depending on the terminal's size, the
-format @code{HH:MM} or @code{HH:MM:SS} with humongous digits.
-It will always use 24-hour clock, and 6-hour and 12-hour is not
-possible, mostly because I did not bother, besides those will
-be very wide and therefore look inferior. (And everypony should
-understand the 24-hour-clock system as it is objectively
-superior.@footnote{Just read Wikipedia and you will see why.})
-Nor is military time possible.
-
-Sidenote, it is not even possible to use @code{H:MM},
-despite being the national standard in Sweden.@footnote{Which
-I actually like more because it does not support the
-delusion that the hour is limited to two digits, despite
-seldom (possibly never yet) being higher than 48:00.}
-
-If the terminal is too small, it will not run.
-
-
-@node Invoking
-@chapter Invoking
-
-Just type @command{mongoclock} in the terminal.
-
-
-@node Configuring
-@chapter Configuring
-
-@command{mongoclock} lacks all forms of configurations.
-It is still however possible to configure.
-
-You can change the colour of the text, and the background,
-by changing the default text and background colour
-on your terminal. You could create a wrapper that does
-this for you.
-
-You can also change the size of the text by changing
-the font size on your terminal. However, some terminals
-(like the Linux VT) does not support this. On such
-terminals it may be possible to change the size of the
-text by change the font to a larger font.
-
-
-
-@node GNU Free Documentation License
-@appendix GNU Free Documentation License
-@include fdl.texinfo
-
-@bye
-
diff --git a/doc/man/mongoclock.1 b/mongoclock.1
index 27c9a5d..02d9d12 100644
--- a/doc/man/mongoclock.1
+++ b/mongoclock.1
@@ -34,19 +34,6 @@ would not like to forget it when you leave if
 you are in a public place.
 .SH "SEE ALSO"
 .BR watch (1)
-.PP
-Full documentation available locally via: info \(aq(mongoclock)\(aq
 .SH AUTHORS
-Principal author, Mattias Andrée.  See the COPYING file for the full
-list of authors.
-.SH LICENSE
-Copyright \(co 2013, 2015  Mattias Andrée
-.br
-License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
-.br
-This is free software: you are free to change and redistribute it.
-.br
-There is NO WARRANTY, to the extent permitted by law.
-.SH BUGS
-Please report bugs to https://github.com/maandree/mongoclock/issues or to
-maandree@member.fsf.org
+Mattias Andrée
+.RI < maandree@kth.se >
diff --git a/mongoclock.c b/mongoclock.c
new file mode 100644
index 0000000..e2d7e20
--- /dev/null
+++ b/mongoclock.c
@@ -0,0 +1,169 @@
+/* See LICENSE file for copyright and license details. */
+#include <sys/ioctl.h>
+#include <sys/timerfd.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+
+#define DX 16
+#define DY 12
+#define DC 16
+
+#include "mongo_0.h"
+#include "mongo_1.h"
+#include "mongo_2.h"
+#include "mongo_3.h"
+#include "mongo_4.h"
+#include "mongo_5.h"
+#include "mongo_6.h"
+#include "mongo_7.h"
+#include "mongo_8.h"
+#include "mongo_9.h"
+#include "mongo_c.h"
+
+static const char **mongo_ds[] = {
+	mongo_0, mongo_1, mongo_2, mongo_3, mongo_4,
+	mongo_5, mongo_6, mongo_7, mongo_8, mongo_9
+};
+
+static volatile sig_atomic_t caught_sigterm = 0;
+static volatile sig_atomic_t caught_sigwinch = 1;
+
+static void
+sigterm(int signo)
+{
+	caught_sigterm = 1;
+	(void) signo;
+}
+
+static void
+sigwinch(int signo)
+{
+	caught_sigwinch = 1;
+	(void) signo;
+}
+
+static void
+print_time(const char ***str, size_t y, size_t x)
+{
+	size_t r, c;
+
+	fprintf(stdout, "\033[%zu;1H\033[1J", y + 1);
+
+	for (r = 0; r < DY; r++) {
+		fprintf(stdout, "\033[%zu;%zuH\033[1K", y + r + 1, x + 1);
+		for (c = 0; str[c]; c++)
+			fprintf(stdout, "%s", str[c][r]);
+		fprintf(stdout, "\033[0K");
+	}
+
+	fprintf(stdout, "\033[0J");
+	fflush(stdout);
+}
+
+int
+main(int argc, char *argv[])
+{
+	time_t now_;
+	struct tm *now;
+	const char **digits[9];
+	size_t x = 0, y = 0;
+	struct winsize winsize;
+	int small = 0;
+	int fd = -1;
+	struct itimerspec itimerspec;
+	uint64_t _overrun;
+
+	fprintf(stdout, "\033[?1049h\033[?25l");
+
+	if (clock_gettime(CLOCK_REALTIME, &itimerspec.it_value))
+		goto fail;
+	itimerspec.it_interval.tv_sec = 1;
+	itimerspec.it_interval.tv_nsec = 0;
+	itimerspec.it_value.tv_sec += 1;
+	itimerspec.it_value.tv_nsec = 0;
+	fd = timerfd_create(CLOCK_REALTIME, 0);
+	if (fd < 0)
+		goto fail;
+	if (timerfd_settime(fd, TFD_TIMER_ABSTIME, &itimerspec, NULL))
+		goto fail;
+
+	signal(SIGTERM, sigterm);
+	signal(SIGQUIT, sigterm);
+	signal(SIGINT, sigterm);
+	signal(SIGWINCH, sigwinch);
+	siginterrupt(SIGTERM, 1);
+	siginterrupt(SIGQUIT, 1);
+	siginterrupt(SIGINT, 1);
+	siginterrupt(SIGWINCH, 1);
+
+	while (!caught_sigterm) {
+		if (caught_sigwinch) {
+			if (ioctl(STDOUT_FILENO, (unsigned long)TIOCGWINSZ, &winsize) < 0) {
+				if (errno == EINTR)
+					continue;
+				goto fail;
+			}
+			caught_sigwinch = 0;
+			y = winsize.ws_row;
+			x = winsize.ws_col;
+			if      (y < DY)              small = 2;
+			else if (x < 4 * DX + DC)     small = 2;
+			else if (x < 6 * DX + 2 * DC) small = 1;
+			else                          small = 0;
+			y -= DY;
+			x -= 4 * DX + DC;
+			if (!small)
+				x -= 2 * DX + DC;
+			y /= 2;
+			x /= 2;
+		}
+
+		if (small == 2) {
+			fprintf(stdout, "\033[H\033[2J%s\n", "Screen is too small");
+			fflush(stdout);
+			pause();
+			continue;
+		}
+
+		now_ = time(NULL);
+		if (now_ == -1)
+			goto fail;
+		now = localtime(&now_);
+		if (now == NULL)
+			goto fail;
+
+		digits[0] = mongo_ds[now->tm_hour / 10];
+		digits[1] = mongo_ds[now->tm_hour % 10];
+		digits[2] = mongo_c;
+		digits[3] = mongo_ds[now->tm_min / 10];
+		digits[4] = mongo_ds[now->tm_min % 10];
+		digits[5] = small ? NULL : mongo_c;
+		digits[6] = mongo_ds[now->tm_sec / 10];
+		digits[7] = mongo_ds[now->tm_sec % 10];
+		digits[8] = NULL;
+
+		print_time(digits, y, x);
+
+		if (read(fd, &_overrun, sizeof(_overrun)) < 0)
+			if (errno != EINTR)
+				goto fail;
+	}
+
+	fprintf(stdout, "\033[?25h\n\033[?1049l");
+	fflush(stdout);
+	close(fd);
+	return 0;
+  
+fail:
+	perror(argc ? *argv : "mongoclock");
+	fprintf(stdout, "\033[?25h\n\033[?1049l");
+	fflush(stdout);
+	if (fd >= 0)
+		close(fd);
+	return 1;
+}
+
diff --git a/src/mongoclock.c b/src/mongoclock.c
deleted file mode 100644
index 836e91d..0000000
--- a/src/mongoclock.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/**
- * mongoclock - Just a humongous clock for the terminal
- * 
- * Copyright © 2013, 2015  Mattias Andrée  (maandree@member.fsf.org)
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#define _GNU_SOURCE
-#include <stdio.h>
-#include <time.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <signal.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <sys/timerfd.h>
-
-$<
-d() {
-  echo '"'"$(echo "$1" | sed -e 's/X/ /g' -e 's/\[/\\033\[7m /g' -e 's/\]/\\033\[m /g')"'"'
-}
-$>
-
-#define DX  16
-#define DY  12
-static const char* mongo_0[] = {$(d '    [XXXX]      '),
-				$(d '  [XX]  [XX]    '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]  []  [XX]  '),
-				$(d '[XX]  []  [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '  [XX]  [XX]    '),
-				$(d '    [XXXX]      ')};
-
-static const char* mongo_1[] = {$(d '      [XX]      '),
-				$(d '    [XXXX]      '),
-				$(d '  [XXXXXX]      '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '  [XXXXXXXXXX]  ')};
-
-static const char* mongo_2[] = {$(d '  [XXXXXXXX]    '),
-				$(d '[XX]      [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '        [XX]    '),
-				$(d '      [XX]      '),
-				$(d '    [XX]        '),
-				$(d '  [XX]          '),
-				$(d '[XX]            '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XXXXXXXXXXXX]  ')};
-
-static const char* mongo_3[] = {$(d '  [XXXXXXXX]    '),
-				$(d '[XX]      [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '    [XXXXXX]    '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '  [XXXXXXXX]    ')};
-
-static const char* mongo_4[] = {$(d '        [XX]    '),
-				$(d '      [XXXX]    '),
-				$(d '    [XXXXXX]    '),
-				$(d '  [XX]  [XX]    '),
-				$(d '[XX]    [XX]    '),
-				$(d '[XXXXXXXXXXXX]  '),
-				$(d '        [XX]    '),
-				$(d '        [XX]    '),
-				$(d '        [XX]    '),
-				$(d '        [XX]    '),
-				$(d '        [XX]    '),
-				$(d '      [XXXXXX]  ')};
-
-static const char* mongo_5[] = {$(d '[XXXXXXXXXXXX]  '),
-				$(d '[XX]            '),
-				$(d '[XX]            '),
-				$(d '[XX]            '),
-				$(d '[XX]            '),
-				$(d '[XXXXXXXXXX]    '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '  [XXXXXXXX]    ')};
-
-static const char* mongo_6[] = {$(d '      [XXXX]    '),
-				$(d '    [XX]        '),
-				$(d '  [XX]          '),
-				$(d '[XX]            '),
-				$(d '[XX]            '),
-				$(d '[XXXXXXXXXX]    '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '  [XXXXXXXX]    ')};
-
-static const char* mongo_7[] = {$(d '[XXXXXXXXXXXX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '        [XX]    '),
-				$(d '      [XX]      '),
-				$(d '    [XX]        '),
-				$(d '    [XX]        '),
-				$(d '    [XX]        '),
-				$(d '    [XX]        '),
-				$(d '    [XX]        '),
-				$(d '    [XX]        ')};
-
-static const char* mongo_8[] = {$(d '  [XXXXXXXX]    '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '  [XXXXXXXX]    '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '  [XXXXXXXX]    ')};
-
-static const char* mongo_9[] = {$(d '  [XXXXXXXX]    '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '[XX]      [XX]  '),
-				$(d '  [XXXXXXXXXX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '          [XX]  '),
-				$(d '        [XX]    '),
-				$(d '      [XX]      '),
-				$(d '  [XXXX]        ')};
-
-#define DC  16
-static const char* mongo_c[] = {$(d '                '),
-				$(d '                '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '                '),
-				$(d '                '),
-				$(d '                '),
-				$(d '                '),
-				$(d '      [XX]      '),
-				$(d '      [XX]      '),
-				$(d '                '),
-				$(d '                ')};
-
-static const char** mongo_ds[] = {
-  mongo_0, mongo_1, mongo_2, mongo_3, mongo_4,
-  mongo_5, mongo_6, mongo_7, mongo_8, mongo_9};
-
-
-static volatile sig_atomic_t caught_sigterm = 0;
-static volatile sig_atomic_t caught_sigwinch = 1;
-
-
-#define t(...)  do if ((__VA_ARGS__) < 0) goto fail; while (0)
-
-
-static void sigterm(int signo)
-{
-  caught_sigterm = 1;
-  (void) signo;
-}
-
-static void sigwinch(int signo)
-{
-  caught_sigwinch = 1;
-  (void) signo;
-}
-
-
-static void print_time(const char*** str, size_t y, size_t x)
-{
-  size_t r, c;
-  
-  fprintf(stdout, "\033[%zu;1H\033[1J", y + 1);
-  
-  for (r = 0; r < DY; r++)
-    {
-      fprintf(stdout, "\033[%zu;%zuH\033[1K", y + r + 1, x + 1);
-      for (c = 0; str[c] != NULL; c++)
-	fprintf(stdout, "%s", str[c][r]);
-      fprintf(stdout, "\033[0K");
-    }
-  
-  fprintf(stdout, "\033[0J");
-  fflush(stdout);
-}
-
-
-int main(int argc, char* argv[])
-{
-  time_t now_;
-  struct tm* now;
-  const char** digits[9];
-  size_t x = 0, y = 0;
-  struct winsize winsize;
-  int small = 0, fd = -1;
-  struct itimerspec itimerspec;
-  char _buf[8];
-  
-  fprintf(stdout, "\033[?1049h\033[?25l");
-  
-  t (clock_gettime(CLOCK_REALTIME, &(itimerspec.it_value)));
-  itimerspec.it_interval.tv_sec = 1;
-  itimerspec.it_interval.tv_nsec = 0;
-  itimerspec.it_value.tv_sec += 1;
-  itimerspec.it_value.tv_nsec = 0;
-  t (fd = timerfd_create(CLOCK_REALTIME, 0));
-  t (timerfd_settime(fd, TFD_TIMER_ABSTIME, &itimerspec, NULL));
-  
-  signal(SIGTERM, sigterm);
-  signal(SIGQUIT, sigterm);
-  signal(SIGINT, sigterm);
-  signal(SIGWINCH, sigwinch);
-  siginterrupt(SIGTERM, 1);
-  siginterrupt(SIGQUIT, 1);
-  siginterrupt(SIGINT, 1);
-  siginterrupt(SIGWINCH, 1);
-  
-  while (!caught_sigterm)
-    {
-      if (caught_sigwinch)
-	{
-	  caught_sigwinch = 0;
-	  t (TEMP_FAILURE_RETRY(ioctl(STDOUT_FILENO, (unsigned long)TIOCGWINSZ, &winsize)));
-	  y = winsize.ws_row;
-	  x = winsize.ws_col;
-	  if      (y < DY)               small = 2;
-	  else if (x < 4 * DX + DC)      small = 2;
-	  else if (x < 6 * DX + 2 * DC)  small = 1;
-	  else                           small = 0;
-	  y -= DY;
-	  x -= 4 * DX + DC;
-	  if (!small)
-	    x -= 2 * DX + DC;
-	  y /= 2;
-	  x /= 2;
-	}
-      
-      if (small == 2)
-	{
-	  fprintf(stdout, "\033[H\033[2J%s\n", "Screen is too small");
-	  fflush(stdout);
-	  pause();
-	  continue;
-	}
-      
-      now_ = time(NULL);
-      if (now_ == -1)  goto fail;
-      now = localtime(&now_);
-      if (now == NULL)  goto fail;
-      
-      digits[0] = mongo_ds[now->tm_hour / 10];
-      digits[1] = mongo_ds[now->tm_hour % 10];
-      digits[2] = mongo_c;
-      digits[3] = mongo_ds[now->tm_min / 10];
-      digits[4] = mongo_ds[now->tm_min % 10];
-      digits[5] = small ? NULL : mongo_c;
-      digits[6] = mongo_ds[now->tm_sec / 10];
-      digits[7] = mongo_ds[now->tm_sec % 10];
-      digits[8] = NULL;
-      
-      print_time(digits, y, x);
-      
-      if (read(fd, _buf, (size_t)8) < 0)
-	if (errno != EINTR)
-	  goto fail;
-    }
-  
-  fprintf(stdout, "\033[?25h\n\033[?1049l");
-  fflush(stdout);
-  close(fd);
-  return 0;
-  
- fail:
-  perror(argc ? *argv : "mongoclock");
-  fprintf(stdout, "\033[?25h\n\033[?1049l");
-  fflush(stdout);
-  if (fd >= 0)
-    close(fd);
-  return 1;
-}
-