Add rmdir and test for it.

scripts/test/rmdir.test

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+[ -f testing.sh ] && . testing.sh
+
+#testing "name" "command" "result" "infile" "stdin"
+
+mkdir one
+testing "rmdir" "rmdir one && [ ! -d walrus ] && echo yes" "yes\n" "" ""
+
+touch walrus
+testing "rmdir file" \
+	"rmdir walrus 2> /dev/null || [ -f walrus ] && echo yes" "yes\n" "" ""
+
+mkdir one two
+testing "rmdir one two" \
+	"rmdir one two 2> /dev/null && [ ! -d one ] && [ ! -d two ] && echo yes" \
+	"yes\n" "" ""
+
+mkdir one two three
+testing "rmdir one missing two file three" \
+	"rmdir one missing two walrus three 2> /dev/null || [ ! -d three ] && echo yes" \
+	"yes\n" "" ""
+
+mkdir one
+chmod 000 one
+testing "rmdir mode 000" "rmdir one && [ ! -d one ] && echo yes" "yes\n" "" ""
+
+mkdir temp
+touch temp/thing
+testing "rmdir non-empty" \
+	"rmdir temp 2>/dev/null || [ -d temp ] && echo yes" "yes\n" "" ""
+testing "rmdir -p dir/file" \
+	"rmdir -p temp/thing 2>/dev/null || [ -f temp/thing ] && echo yes" \
+	"yes\n" "" ""
+
+mkdir -p temp/one/two/three
+testing "rmdir -p part of path" \
+	"rmdir -p temp/one/two/three 2>/dev/null || [ -d temp ] && [ ! -e temp/one ] && echo yes" \
+	"yes\n" "" ""
+rm -rf temp
+
+mkdir -p one/two/three
+testing "rmdir -p one/two/three" \
+	"rmdir -p one/two/three && [ ! -e one ] && echo yes" "yes\n" "" ""
+rm walrus

toys/rmdir.c

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+/* vi: set sw=4 ts=4:
+ *
+ * hello.c - A hello world program.
+ *
+ * Copyright 2006 Rob Landley <rob@landley.net>
+ *
+ * See http://www.opengroup.org/onlinepubs/009695399/utilities/cat.html
+
+USE_RMDIR(NEWTOY(rmdir, "<1p", TOYFLAG_BIN))
+
+config RMDIR
+	bool "rmdir"
+	default y
+	help
+	  usage: rmdir [-p] [dirname...]
+	  Remove one or more directories.
+
+	  -p	Remove path.
+*/
+
+#include "toys.h"
+
+static void do_rmdir(char *name)
+{
+	for (;;) {
+		char *temp;
+
+		if (rmdir(name)) {
+			perror_msg("%s",name);
+			return;
+		}
+		if (!toys.optflags) return;
+		if (!(temp=strrchr(name,'/'))) return;
+		*temp=0;
+	}
+}
+
+void rmdir_main(void)
+{
+	char **s;
+
+	for (s=toys.optargs; *s; s++) do_rmdir(*s);
+}