sh: Add rmdir builtin from FreeBSD r298107

2 files changed, 152 insertions, 0 deletions

diff --git a/src/poudriere-sh/builtins.def b/src/poudriere-sh/builtins.def
index 57c2d52c..e9c24045 100644
--- a/src/poudriere-sh/builtins.def
+++ b/src/poudriere-sh/builtins.def
@@ -6,5 +6,6 @@ mkdircmd mkdir
 pwaitcmd pwait
 realpathcmd realpath
 renamecmd rename
+rmdircmd rmdir
 setproctitlecmd setproctitle
 sleepcmd sleep
diff --git a/src/poudriere-sh/rmdir.c b/src/poudriere-sh/rmdir.c
new file mode 100644
index 00000000..e159f893
--- /dev/null
+++ b/src/poudriere-sh/rmdir.c
@@ -0,0 +1,151 @@
+/*-
+ * Copyright (c) 1992, 1993, 1994
+ *	The Regents of the University of California.  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.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ */
+
+#if 0
+#ifndef lint
+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";
+#endif /* not lint */
+#endif
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifdef SHELL
+#define main rmdircmd
+#include "bltin/bltin.h"
+#include "options.h"
+#undef vflag
+#include <errno.h>
+#define err(exitstatus, fmt, ...) error(fmt ": %s", __VA_ARGS__, strerror(errno))
+#endif
+
+static int rm_path(char *);
+static void usage(void);
+
+static int pflag;
+static int vflag;
+
+int
+main(int argc, char *argv[])
+{
+	int ch, errors;
+
+#ifdef SHELL
+	pflag = vflag = 0;
+	while ((ch = nextopt("pv")) != '\0')
+#else
+	while ((ch = getopt(argc, argv, "pv")) != -1)
+#endif
+		switch(ch) {
+		case 'p':
+			pflag = 1;
+			break;
+		case 'v':
+			vflag = 1;
+			break;
+		case '?':
+		default:
+			usage();
+		}
+#ifdef SHELL
+	argc -= argptr - argv;
+	argv = argptr;
+#else
+	argc -= optind;
+	argv += optind;
+#endif
+
+	if (argc == 0)
+		usage();
+
+	for (errors = 0; *argv; argv++) {
+		if (rmdir(*argv) < 0) {
+			warn("%s", *argv);
+			errors = 1;
+		} else {
+			if (vflag)
+				printf("%s\n", *argv);
+			if (pflag)
+				errors |= rm_path(*argv);
+		}
+	}
+
+	return(errors);
+}
+
+static int
+rm_path(char *path)
+{
+	char *p;
+
+	p = path + strlen(path);
+	while (--p > path && *p == '/')
+		;
+	*++p = '\0';
+	while ((p = strrchr(path, '/')) != NULL) {
+		/* Delete trailing slashes. */
+		while (--p >= path && *p == '/')
+			;
+		*++p = '\0';
+		if (p == path)
+			break;
+
+		if (rmdir(path) < 0) {
+			warn("%s", path);
+			return (1);
+		}
+		if (vflag)
+			printf("%s\n", path);
+	}
+
+	return (0);
+}
+
+static void
+usage(void)
+{
+
+	(void)fprintf(stderr, "usage: rmdir [-pv] directory ...\n");
+#ifdef SHELL
+	error(NULL);
+#else
+	exit(1);
+#endif
+}