diff --git a/tools/regression/lib/libc/gen/Makefile b/tools/regression/lib/libc/gen/Makefile
new file mode 100644
index 000000000000..4bca93757f54
--- /dev/null
+++ b/tools/regression/lib/libc/gen/Makefile
@@ -0,0 +1,11 @@
+# $FreeBSD$
+
+TESTS=	test-wordexp
+
+.PHONY: tests
+tests: ${TESTS}
+	for p in ${TESTS}; do ${.OBJDIR}/$$p; done
+
+.PHONY: clean
+clean:
+	-rm -f ${TESTS}
diff --git a/tools/regression/lib/libc/gen/test-wordexp.c b/tools/regression/lib/libc/gen/test-wordexp.c
new file mode 100644
index 000000000000..49490d8c52ac
--- /dev/null
+++ b/tools/regression/lib/libc/gen/test-wordexp.c
@@ -0,0 +1,174 @@
+/*-
+ * Copyright (c) 2003 Tim J. Robbins
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Test program for wordexp() and wordfree() as specified by
+ * IEEE Std. 1003.1-2001.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wordexp.h>
+
+int
+main(int argc, char *argv[])
+{
+	wordexp_t we;
+	int r;
+
+	/* Test that the macros are there. */
+	(void)(WRDE_APPEND + WRDE_DOOFS + WRDE_NOCMD + WRDE_REUSE +
+	    WRDE_SHOWERR + WRDE_UNDEF);
+	(void)(WRDE_BADCHAR + WRDE_BADVAL + WRDE_CMDSUB + WRDE_NOSPACE +
+	    WRDE_SYNTAX);
+
+	/* Simple test. */
+	r = wordexp("hello world", &we, 0);
+	assert(r == 0);
+	assert(we.we_wordc == 2);
+	assert(strcmp(we.we_wordv[0], "hello") == 0);
+	assert(strcmp(we.we_wordv[1], "world") == 0);
+	assert(we.we_wordv[2] == NULL);
+	wordfree(&we);
+
+	/* WRDE_DOOFS */
+	we.we_offs = 3;
+	r = wordexp("hello world", &we, WRDE_DOOFS);
+	assert(r == 0);
+	assert(we.we_wordc == 2);
+	assert(we.we_wordv[0] == NULL);
+	assert(we.we_wordv[1] == NULL);
+	assert(we.we_wordv[2] == NULL);
+	assert(strcmp(we.we_wordv[3], "hello") == 0);
+	assert(strcmp(we.we_wordv[4], "world") == 0);
+	assert(we.we_wordv[5] == NULL);
+	wordfree(&we);
+
+	/* WRDE_REUSE */
+	r = wordexp("hello world", &we, 0);
+	r = wordexp("hello world", &we, WRDE_REUSE);
+	assert(r == 0);
+	assert(we.we_wordc == 2);
+	assert(strcmp(we.we_wordv[0], "hello") == 0);
+	assert(strcmp(we.we_wordv[1], "world") == 0);
+	assert(we.we_wordv[2] == NULL);
+	wordfree(&we);
+
+	/* WRDE_APPEND */
+	r = wordexp("this is", &we, 0);
+	assert(r == 0);
+	r = wordexp("a test", &we, WRDE_APPEND);
+	assert(r == 0);
+	assert(we.we_wordc == 4);
+	assert(strcmp(we.we_wordv[0], "this") == 0);
+	assert(strcmp(we.we_wordv[1], "is") == 0);
+	assert(strcmp(we.we_wordv[2], "a") == 0);
+	assert(strcmp(we.we_wordv[3], "test") == 0);
+	assert(we.we_wordv[4] == NULL);
+	wordfree(&we);
+
+	/* WRDE_DOOFS + WRDE_APPEND */
+	we.we_offs = 2;
+	r = wordexp("this is", &we, WRDE_DOOFS);
+	assert(r == 0);
+	r = wordexp("a test", &we, WRDE_APPEND|WRDE_DOOFS);
+	assert(r == 0);
+	r = wordexp("of wordexp", &we, WRDE_APPEND|WRDE_DOOFS);
+	assert(r == 0);
+	assert(we.we_wordc == 6);
+	assert(we.we_wordv[0] == NULL);
+	assert(we.we_wordv[1] == NULL);
+	assert(strcmp(we.we_wordv[2], "this") == 0);
+	assert(strcmp(we.we_wordv[3], "is") == 0);
+	assert(strcmp(we.we_wordv[4], "a") == 0);
+	assert(strcmp(we.we_wordv[5], "test") == 0);
+	assert(strcmp(we.we_wordv[6], "of") == 0);
+	assert(strcmp(we.we_wordv[7], "wordexp") == 0);
+	assert(we.we_wordv[8] == NULL);
+	wordfree(&we);
+
+	/* WRDE_UNDEF */
+	r = wordexp("${dont_set_me}", &we, WRDE_UNDEF);
+	assert(r == WRDE_BADVAL);
+
+	/* WRDE_NOCMD */
+	r = wordexp("`date`", &we, WRDE_NOCMD);
+	assert(r == WRDE_CMDSUB);
+	r = wordexp("\"`date`\"", &we, WRDE_NOCMD);
+	assert(r == WRDE_CMDSUB);
+	r = wordexp("$(date)", &we, WRDE_NOCMD);
+	assert(r == WRDE_CMDSUB);
+	r = wordexp("\"$(date)\"", &we, WRDE_NOCMD);
+	assert(r == WRDE_CMDSUB);
+	r = wordexp("$((3+5))", &we, WRDE_NOCMD);
+	assert(r == 0);
+	r = wordexp("\\$\\(date\\)", &we, WRDE_NOCMD|WRDE_REUSE);
+	assert(r == 0);
+	r = wordexp("'`date`'", &we, WRDE_NOCMD|WRDE_REUSE);
+	assert(r == 0);
+	r = wordexp("'$(date)'", &we, WRDE_NOCMD|WRDE_REUSE);
+	assert(r == 0);
+	wordfree(&we);
+
+	/* WRDE_BADCHAR */
+	r = wordexp("'\n|&;<>(){}'", &we, 0);
+	assert(r == 0);
+	r = wordexp("\"\n|&;<>(){}\"", &we, WRDE_REUSE);
+	assert(r == 0);
+	r = wordexp("\\\n\\|\\&\\;\\<\\>\\(\\)\\{\\}", &we, WRDE_REUSE);
+	assert(r == 0);
+	wordfree(&we);
+	r = wordexp("test \n test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test | test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test & test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test ; test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test > test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test < test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test ( test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test ) test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test { test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+	r = wordexp("test } test", &we, 0);
+	assert(r == WRDE_BADCHAR);
+
+	printf("PASS wordexp()\n");
+	printf("PASS wordfree()\n");
+
+	return (0);
+}