Import XPG4-compliant basename(3) and dirname(3) from OpenBSD.

The man pages need some adjustments.

PR:		12960, 12962
Submitted by:	James Howard <howardjp@wam.umd.edu>
Obtained from:	OpenBSD

2 files changed, 50 insertions, 1 deletions

diff --git a/include/Makefile b/include/Makefile
index 77c4db9..0494fe0 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -11,7 +11,7 @@ SUBDIR= rpcsvc
 FILES=	a.out.h ar.h assert.h bitstring.h ctype.h db.h dirent.h disktab.h \
 	dlfcn.h elf.h err.h fnmatch.h fstab.h \
 	fts.h glob.h grp.h strhash.h histedit.h ieeefp.h ifaddrs.h iso646.h \
-	limits.h link.h locale.h malloc.h memory.h mpool.h \
+	libgen.h limits.h link.h locale.h malloc.h memory.h mpool.h \
 	ndbm.h netdb.h nl_types.h nlist.h objformat.h \
 	paths.h pthread.h pthread_np.h pwd.h \
 	ranlib.h regex.h regexp.h resolv.h rune.h runetype.h \
diff --git a/include/libgen.h b/include/libgen.h
new file mode 100644
index 0000000..eb9d809
--- /dev/null
+++ b/include/libgen.h
@@ -0,0 +1,49 @@
+/*	$OpenBSD: libgen.h,v 1.4 1999/05/28 22:00:22 espie Exp $	*/
+/*	$FreeBSD$	*/
+
+/*
+ * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 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.
+ */
+
+#ifndef _LIBGEN_H_
+#define _LIBGEN_H_
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+char	*basename __P((const char *));
+char	*dirname __P((const char *));
+#if 0
+char	*regcmp __P((const char *, ...));
+char	*regex __P((const char *, const char *, ...));
+
+extern char *__loc1;
+#endif
+
+__END_DECLS
+
+#endif /* _LIBGEN_H_ */