From 11bde14e4fdf4e2c4c49c85be790bfb080e68170 Mon Sep 17 00:00:00 2001
From: Steve Price <steve@FreeBSD.org>
Date: Sat, 14 Dec 1996 06:13:51 +0000
Subject: [PATCH] -Wall cleaning and implement -p commandline option.

-p mod obtained from: NetBSD
---
 bin/rmdir/rmdir.1 | 32 ++++++++++++++---------------
 bin/rmdir/rmdir.c | 52 ++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 61 insertions(+), 23 deletions(-)

diff --git a/bin/rmdir/rmdir.1 b/bin/rmdir/rmdir.1
index 30d0fa54744c..8ae09ecdaa85 100644
--- a/bin/rmdir/rmdir.1
+++ b/bin/rmdir/rmdir.1
@@ -33,7 +33,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	@(#)rmdir.1	8.1 (Berkeley) 5/31/93
-.\"	$Id: rmdir.1,v 1.2 1994/09/24 02:57:11 davidg Exp $
+.\"	$Id: rmdir.1,v 1.3 1996/08/29 18:06:08 wosch Exp $
 .\"
 .Dd May 31, 1993
 .Dt RMDIR 1
@@ -43,7 +43,7 @@
 .Nd remove directories
 .Sh SYNOPSIS
 .Nm rmdir
-.\" .Op Fl p
+.Op Fl p
 .Ar directory ...
 .Sh DESCRIPTION
 The rmdir utility removes the directory entry specified by
@@ -58,24 +58,24 @@ must be specified first so the parent directory
 is empty when
 .Nm rmdir
 tries to remove it.
-.\" .Pp
-.\" The following option is available:
-.\" .Bl -tag -width Ds
-.\" .It Fl p
-.\" Each
-.\" .Ar directory
-.\" argument is treated as a pathname of which all
-.\" components will be removed, if they are empty,
-.\" starting with the last most component.
-.\" (See
-.\" .Xr rm 1
-.\" for fully non-discriminant recursive removal).
-.\" .El
+.Pp
+The following option is available:
+.Bl -tag -width Ds
+.It Fl p
+Each
+.Ar directory
+argument is treated as a pathname of which all
+components will be removed, if they are empty,
+starting with the last most component.
+(See
+.Xr rm 1
+for fully non-discriminant recursive removal.)
+.El
 .Pp
 The
 .Nm rmdir
 utility exits with one of the following values:
-.Bl -tag -width flag
+.Bl -tag -width Ds
 .It Li \&0
 Each directory entry specified by a dir operand
 referred to an empty directory and was removed
diff --git a/bin/rmdir/rmdir.c b/bin/rmdir/rmdir.c
index e47cbb2bdba1..b9151dd17e60 100644
--- a/bin/rmdir/rmdir.c
+++ b/bin/rmdir/rmdir.c
@@ -30,17 +30,17 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id$
+ *	$Id: rmdir.c,v 1.2 1994/09/24 02:57:13 davidg Exp $
  */
 
 #ifndef lint
-static char copyright[] =
+static char const copyright[] =
 "@(#) Copyright (c) 1992, 1993, 1994\n\
 	The Regents of the University of California.  All rights reserved.\n";
 #endif /* not lint */
 
 #ifndef lint
-static char sccsid[] = "@(#)rmdir.c	8.3 (Berkeley) 4/2/94";
+static char const sccsid[] = "@(#)rmdir.c	8.3 (Berkeley) 4/2/94";
 #endif /* not lint */
 
 #include <err.h>
@@ -50,6 +50,7 @@ static char sccsid[] = "@(#)rmdir.c	8.3 (Berkeley) 4/2/94";
 #include <string.h>
 #include <unistd.h>
 
+int rm_path __P((char *));
 void usage __P((void));
 
 int
@@ -58,9 +59,14 @@ main(argc, argv)
 	char *argv[];
 {
 	int ch, errors;
+	int pflag;
 
-	while ((ch = getopt(argc, argv, "")) != EOF)
+	pflag = 0;
+	while ((ch = getopt(argc, argv, "p")) != EOF)
 		switch(ch) {
+		case 'p':
+			pflag = 1;
+			break;
 		case '?':
 		default:
 			usage();
@@ -71,18 +77,50 @@ main(argc, argv)
 	if (argc == 0)
 		usage();
 
-	for (errors = 0; *argv; ++argv)
+	for (errors = 0; *argv; argv++) {
+		char *p;
+
+		/* Delete trailing slashes, per POSIX. */
+		p = *argv + strlen(*argv);
+		while (--p > *argv && *p == '/')
+			;
+		*++p = '\0';
+
 		if (rmdir(*argv) < 0) {
 			warn("%s", *argv);
 			errors = 1;
-		}
+		} else if (pflag)
+			errors |= rm_path(*argv);
+	}
+
 	exit(errors);
 }
 
+int
+rm_path(path)
+	char *path;
+{
+	char *p;
+
+	while ((p = strrchr(path, '/')) != NULL) {
+		/* Delete trailing slashes. */
+		while (--p > path && *p == '/')
+			;
+		*++p = '\0';
+
+		if (rmdir(path) < 0) {
+			warn("%s", path);
+			return (1);
+		}
+	}
+
+	return (0);
+}
+
 void
 usage()
 {
 
-	(void)fprintf(stderr, "usage: rmdir directory ...\n");
+	(void)fprintf(stderr, "usage: rmdir [-p] directory ...\n");
 	exit(1);
 }