initial commit

.gitmodules

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+[submodule "reqs/simple-opt"]
+	path = reqs/simple-opt
+	url = https://github.com/shmibs/simple-opt

LICENSE

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+BSD 3-Clause License
+
+Copyright (c) 2019, katherine
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

configure

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+#!/bin/sh
+
+# kinda brittle, this, but mostly works
+# just don't use names with whitespaces
+
+target='confconf'
+srcdir='src'
+sources=`find $srcdir -type f -name '*.c' | sed -e "s/$srcdir\/\(.*\).c/\1.c/"`
+objdir='build'
+objects=`find $srcdir -type f -name '*.c' | sed -e "s/$srcdir\/\(.*\).c/\1.o/"`
+
+cc='cc'
+cflags='-Wall -O2'
+cflagsdebug='-Wall -ggdb3 -O0 -DDEBUG'
+prefix='/usr/local'
+
+
+
+
+dbg_objects=`printf %s "$objects" | sed -e "s/^/dbg_/"`
+sources_wdir=`printf %s "$sources" | sed -e "s/^/$srcdir\//"`
+objects_wdir=`printf %s "$objects" | sed -e "s/^/$objdir\//"`
+
+dgen='gcc'
+if [ ! `2>/dev/null which gcc` ]; then
+	if [ ! `2>/dev/null which clang` ]; then
+		echo 'err: could not find a suitable ' \
+			'compiler for calculating dependencies'
+		return 1
+	fi
+	dgen='clang'
+fi
+
+{
+	printf %s\\n '.POSIX:'
+	printf %s\\n '.SUFFIXES:'
+	printf %s\\n ''
+	printf %s\\n "CC = $cc"
+	printf %s\\n "CFLAGS = $cflags"
+	printf %s\\n "CFLAGSDEBUG = $cflagsdebug"
+	printf %s\\n "PREFIX = $prefix"
+	printf %s\\n ''
+	printf %s\\n "all: objdir $target"
+	printf %s\\n ''
+	printf %s\\n "debug: objdir dbg_$target"
+	printf %s\\n ''
+	printf %s\\n 'objdir:'
+	printf %s\\n "	mkdir -p $objdir"
+	printf %s\\n ''
+	printf %s\\n "install: all"
+	printf %s\\n '	mkdir -p $(DESTDIR)$(PREFIX)/bin'
+	printf %s\\n '	mkdir -p $(DESTDIR)$(PREFIX)/share/man/man1'
+	printf %s\\n "	cp -f $target \$(DESTDIR)\$(PREFIX)/bin"
+	printf %s\\n "	gzip < ${target}.1 > \$(DESTDIR)\$(PREFIX)/share/man/man1/${target}.1.gz"
+	printf %s\\n ''
+	printf %s\\n "$target: `printf %s "$objects" | tr '\n' ' '`"
+	printf %s\\n "	\$(CC) \$(LDFLAGS) -o $target `printf %s "$objects_wdir" | tr '\n' ' '` \$(LDLIBS)"
+	printf %s\\n ''
+	printf %s\\n "dbg_$target: `printf %s "$dbg_objects" | tr '\n' ' '`"
+	printf %s\\n "	\$(CC) \$(LDFLAGS) -o $target `printf %s "$objects_wdir" | tr '\n' ' '` \$(LDLIBS)"
+	printf %s\\n ''
+	printf %s\\n "$sources" | (while IFS= read -r s; do
+		$dgen $CFLAGS -MM -MT `printf %s $s | sed -e 's/\.c$/\.o/'` "$srcdir/$s"
+		printf %s\\n "	\$(CC) -c \$(CFLAGS) -o ${objdir}/`printf %s $s | sed -e 's/\.c$/\.o/'` ${srcdir}/$s"
+	done
+	)
+	printf %s\\n ''
+	printf %s\\n "$sources" | (while IFS= read -r s; do
+		$dgen $CFLAGS -MM -MT dbg_`printf %s $s | sed -e 's/\.c$/\.o/'` "$srcdir/$s"
+		printf %s\\n "	\$(CC) -c \$(CFLAGSDEBUG) -o ${objdir}/`printf %s $s | sed -e 's/\.c$/\.o/'` ${srcdir}/$s"
+	done
+	)
+	printf %s\\n ''
+	printf %s\\n 'clean:'
+	printf %s\\n "	rm -f $target"
+	printf %s\\n "	rm -rf $objdir"
+} > Makefile

reqs/simple-opt

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+Subproject commit 9e8912b6d5672333e254e7f3aacff3bf99816dff

src/main.c

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+#include "opt.h"
+
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+	opt_parse(argc, argv);
+
+	if (opt_infile_str())
+		puts(opt_infile_str());
+
+	if (opt_outfile_str())
+		puts(opt_outfile_str());
+	
+	return 0;
+}

src/opt.c

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+#include "opt.h"
+
+#include "../reqs/simple-opt/simple-opt.h"
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+static struct simple_opt options[] = {
+	{ SIMPLE_OPT_FLAG, 'h', "help", false,
+		"print this help message and exit" },
+	{ SIMPLE_OPT_FLAG, 'v', "version", false,
+		"print the version of confconf in use and exit" },
+	{ SIMPLE_OPT_STRING, 'i', "input", true,
+		"specify file to read from (default is stdin)", "<file>" },
+	{ SIMPLE_OPT_STRING, 'o', "output", true,
+		"specify file to write to (default is stdout)", "<file>" },
+	{ SIMPLE_OPT_END }
+};
+
+void opt_parse(int argc, char **argv)
+{
+	struct simple_opt_result result;
+	const char version[] = "confconf develop";
+
+	result = simple_opt_parse(argc, argv, options);
+
+	/* parse err */
+	if (result.result_type != SIMPLE_OPT_RESULT_SUCCESS) {
+		simple_opt_print_error(stderr, 80, argv[0], result);
+		exit(EXIT_FAILURE);
+	}
+
+	/* help */
+	if (options[0].was_seen) {
+		simple_opt_print_usage(stdout, 70, argv[0],
+				"[-i input] [-o output]",
+				"confconf is a config file parser generator for C",
+				options);
+		exit(EXIT_SUCCESS);
+	}
+
+	/* version */
+	if (options[1].was_seen) {
+		puts(version);
+		exit(EXIT_SUCCESS);
+	}
+}
+
+const char* opt_infile_str(void)
+{
+	return (options[2].was_seen
+			? options[2].val_string
+			: NULL);
+}
+
+const char* opt_outfile_str(void)
+{
+	return (options[3].was_seen
+			? options[3].val_string
+			: NULL);
+}

src/opt.h

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+#ifndef CONFCONF_OPT_H
+#define CONFCONF_OPT_H
+
+void opt_parse(int argc, char **argv);
+
+const char* opt_infile_str(void);
+const char* opt_outfile_str(void);
+
+#endif