Merge branch 'argued' into overgrown

Makefile

@@ -31,9 +31,8 @@ RUSTLIBS = --extern getopt=build/o/libgetopt.rlib \
 	--extern strerror=build/o/libstrerror.rlib
 CFLAGS += -I$(SYSEXITS)
 
-.PHONY: all
-all: dj false fop hru intcmp mm npc pschdir retval rpn scrut simexec str \
-	strcmp swab true
+all: argued dj false fop hru intcmp mm npc pschdir retval rpn scrut simexec \
+	str strcmp swab true
 
 # keep build/include until bindgen(1) has stdin support
 # https://github.com/rust-lang/rust-bindgen/issues/2703
@@ -88,6 +87,11 @@ build/o/libsysexits.rlib: build/include/sysexits.h
 build/include/sysexits.h: build $(SYSEXITS)sysexits.h
 	printf '\043define EXIT_FAILURE 1\n' | cat - $(SYSEXITS)sysexits.h > $@
 
+.PHONY: argued
+argued: build/bin/argued
+build/bin/argued: src/argued.c build
+	$(CC) $(CFLAGS) -o $@ src/argued.c
+
 .PHONY: dj
 dj: build/bin/dj
 build/bin/dj: src/dj.c build

docs/argued.1

@@ -0,0 +1,28 @@
+.\" Copyright (c) 2022–2024 DTB <trinity@trinity.moe>
+.\"
+.\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
+.\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
+.\"
+.TH ARGUED 1 2024-07-23 "Harakit-overgrown X.X.X"
+.SH NAME
+argued \(en check for arguments
+.\"
+.SH DESCRIPTION
+
+.BR argued (1)
+exits successfully if any arguments are provided, and unsuccessfully
+otherwise.
+.\"
+.SH AUTHOR
+
+Written by DTB
+.MT trinity@trinity.moe
+.ME .
+.\"
+.SH COPYRIGHT
+
+This work is marked with CC0 1.0. To see a copy of this license, visit
+<http://creativecommons.org/publicdomain/zero/1.0>.
+.\"
+.SH SEE ALSO
+.BR test (1)

src/argued.c

@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2022–2024 DTB <trinity@trinity.moe>
+ * SPDX-License-Identifier: CC0
+ *
+ * This work is marked with CC0 1.0. To view a copy of this license, visit
+ * <http://creativecommons.org/publicdomain/zero/1.0>.
+ */
+
+int main(int argc, char *argv[]){ return !(argc > 1); }