added a 'psl' tool to acces functions from command line

Makefile.am

@@ -1,6 +1,6 @@
 # got some hints from https://gitorious.org/openismus-playground/examplelib/source
 
-SUBDIRS = po include src data docs/libpsl tests
+SUBDIRS = po include src tools data docs/libpsl tests
 ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 
 # Enable GTK-Doc during make distcheck

configure.ac

@@ -94,6 +94,7 @@ fi
 AC_CONFIG_FILES([Makefile
                  include/Makefile
                  src/Makefile
+                 tools/Makefile
                  po/Makefile.in
                  docs/libpsl/Makefile
                  data/Makefile

tools/.deps/psl.Po

@@ -0,0 +1,126 @@
+psl.o: psl.c /usr/include/stdc-predef.h ../config.h /usr/include/stdlib.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/lib/gcc/x86_64-linux-gnu/4.8/include/stddef.h \
+ /usr/include/x86_64-linux-gnu/bits/waitflags.h \
+ /usr/include/x86_64-linux-gnu/bits/waitstatus.h /usr/include/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/byteswap.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/byteswap-16.h /usr/include/xlocale.h \
+ /usr/include/x86_64-linux-gnu/sys/types.h /usr/include/time.h \
+ /usr/include/x86_64-linux-gnu/sys/select.h \
+ /usr/include/x86_64-linux-gnu/bits/select.h \
+ /usr/include/x86_64-linux-gnu/bits/sigset.h \
+ /usr/include/x86_64-linux-gnu/bits/time.h \
+ /usr/include/x86_64-linux-gnu/bits/select2.h \
+ /usr/include/x86_64-linux-gnu/sys/sysmacros.h \
+ /usr/include/x86_64-linux-gnu/bits/pthreadtypes.h /usr/include/alloca.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib-float.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib.h /usr/include/string.h \
+ /usr/include/x86_64-linux-gnu/bits/string.h \
+ /usr/include/x86_64-linux-gnu/bits/string2.h \
+ /usr/include/x86_64-linux-gnu/bits/string3.h ../include/libpsl.h \
+ /usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
+ /usr/include/wchar.h /usr/lib/gcc/x86_64-linux-gnu/4.8/include/stdarg.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
+ /usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio2.h \
+ /usr/include/x86_64-linux-gnu/bits/timex.h
+
+/usr/include/stdc-predef.h:
+
+../config.h:
+
+/usr/include/stdlib.h:
+
+/usr/include/features.h:
+
+/usr/include/x86_64-linux-gnu/sys/cdefs.h:
+
+/usr/include/x86_64-linux-gnu/bits/wordsize.h:
+
+/usr/include/x86_64-linux-gnu/gnu/stubs.h:
+
+/usr/include/x86_64-linux-gnu/gnu/stubs-64.h:
+
+/usr/lib/gcc/x86_64-linux-gnu/4.8/include/stddef.h:
+
+/usr/include/x86_64-linux-gnu/bits/waitflags.h:
+
+/usr/include/x86_64-linux-gnu/bits/waitstatus.h:
+
+/usr/include/endian.h:
+
+/usr/include/x86_64-linux-gnu/bits/endian.h:
+
+/usr/include/x86_64-linux-gnu/bits/byteswap.h:
+
+/usr/include/x86_64-linux-gnu/bits/types.h:
+
+/usr/include/x86_64-linux-gnu/bits/typesizes.h:
+
+/usr/include/x86_64-linux-gnu/bits/byteswap-16.h:
+
+/usr/include/xlocale.h:
+
+/usr/include/x86_64-linux-gnu/sys/types.h:
+
+/usr/include/time.h:
+
+/usr/include/x86_64-linux-gnu/sys/select.h:
+
+/usr/include/x86_64-linux-gnu/bits/select.h:
+
+/usr/include/x86_64-linux-gnu/bits/sigset.h:
+
+/usr/include/x86_64-linux-gnu/bits/time.h:
+
+/usr/include/x86_64-linux-gnu/bits/select2.h:
+
+/usr/include/x86_64-linux-gnu/sys/sysmacros.h:
+
+/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h:
+
+/usr/include/alloca.h:
+
+/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h:
+
+/usr/include/x86_64-linux-gnu/bits/stdlib-float.h:
+
+/usr/include/x86_64-linux-gnu/bits/stdlib.h:
+
+/usr/include/string.h:
+
+/usr/include/x86_64-linux-gnu/bits/string.h:
+
+/usr/include/x86_64-linux-gnu/bits/string2.h:
+
+/usr/include/x86_64-linux-gnu/bits/string3.h:
+
+../include/libpsl.h:
+
+/usr/include/stdio.h:
+
+/usr/include/libio.h:
+
+/usr/include/_G_config.h:
+
+/usr/include/wchar.h:
+
+/usr/lib/gcc/x86_64-linux-gnu/4.8/include/stdarg.h:
+
+/usr/include/x86_64-linux-gnu/bits/stdio_lim.h:
+
+/usr/include/x86_64-linux-gnu/bits/sys_errlist.h:
+
+/usr/include/x86_64-linux-gnu/bits/stdio.h:
+
+/usr/include/x86_64-linux-gnu/bits/stdio2.h:
+
+/usr/include/x86_64-linux-gnu/bits/timex.h:

tools/Makefile.am

@@ -0,0 +1,5 @@
+bin_PROGRAMS = psl
+
+AM_CPPFLAGS = -I$(top_srcdir)/include
+AM_LDFLAGS = -static
+LDADD = ../src/libpsl-@LIBPSL_API_VERSION@.la

tools/psl.c

@@ -0,0 +1,98 @@
+/*
+ * Copyright(c) 2014 Tim Ruehsen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * This file is part of libpsl.
+ *
+ * Using the libpsl functions via command line
+ *
+ * Changelog
+ * 11.04.2014  Tim Ruehsen  created
+ *
+ */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <libpsl.h>
+
+static void usage(int err)
+{
+	fprintf(stderr, "\n");
+	fprintf(stderr, "Usage: psl [options]\n");
+	fprintf(stderr, "\n");
+	fprintf(stderr, "Options:\n");
+	fprintf(stderr, "  --is-public <domains...>          check if domains are public suffixes or not\n");
+	fprintf(stderr, "  --print-unreg-domain <domains...> print the longest publix suffix part\n");
+	fprintf(stderr, "  --print-reg-domain <domains...>   print the shortest private suffix part\n");
+	fprintf(stderr, "\n");
+
+	exit(err);
+}
+
+int main(int argc, const char *const *argv)
+{
+	int mode = 1;
+	const char *const *arg;
+	const psl_ctx_t *psl = psl_builtin();
+
+	if (!psl) {
+		fprintf(stderr, "No PSL builtin data available\n");
+		exit(2);
+	}
+
+	for (arg = argv + 1; arg < argv + argc; arg++) {
+		if (!strncmp(*arg, "--", 2)) {
+			if (!strcmp(*arg, "--is-public"))
+				mode = 1;
+			else if (!strcmp(*arg, "--print-unreg-domain"))
+				mode = 2;
+			else if (!strcmp(*arg, "--print-reg-domain"))
+				mode = 3;
+			else if (!strcmp(*arg, "--")) {
+				arg++;
+				break;
+			}
+			else {
+				fprintf(stderr, "Unknown option '%s'\n", *arg);
+				usage(1);
+			}
+		} else
+			break;
+	}
+
+	if (mode == 1) {
+		for (; arg < argv + argc; arg++)
+			printf("%s: %d\n", *arg, psl_is_public(psl, *arg));
+	}
+	else if (mode == 2) {
+		for (; arg < argv + argc; arg++)
+			printf("%s: %s\n", *arg, psl_unregistrable_domain(psl, *arg));
+	}
+	else if (mode == 3) {
+		for (; arg < argv + argc; arg++)
+			printf("%s: %s\n", *arg, psl_registrable_domain(psl, *arg));
+	}
+
+	return 0;
+}