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-rw-r--r--examples/loadables/unlink.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/examples/loadables/unlink.c b/examples/loadables/unlink.c
new file mode 100644
index 0000000..ff2a78a
--- /dev/null
+++ b/examples/loadables/unlink.c
@@ -0,0 +1,74 @@
+/* unlink - remove a directory entry */
+
+/* Should only be used to remove directories by a superuser prepared to let
+ fsck clean up the file system. */
+
+/*
+ Copyright (C) 1999-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash.
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+
+#include "builtins.h"
+#include "shell.h"
+#include "common.h"
+
+#ifndef errno
+extern int errno;
+#endif
+
+int
+unlink_builtin (list)
+ WORD_LIST *list;
+{
+ if (list == 0)
+ {
+ builtin_usage ();
+ return (EX_USAGE);
+ }
+
+ if (unlink (list->word->word) != 0)
+ {
+ builtin_error ("%s: cannot unlink: %s", list->word->word, strerror (errno));
+ return (EXECUTION_FAILURE);
+ }
+
+ return (EXECUTION_SUCCESS);
+}
+
+char *unlink_doc[] = {
+ "Remove a directory entry.",
+ "",
+ "Forcibly remove a directory entry, even if it's a directory.",
+ (char *)NULL
+};
+
+struct builtin unlink_struct = {
+ "unlink", /* builtin name */
+ unlink_builtin, /* function implementing the builtin */
+ BUILTIN_ENABLED, /* initial flags for builtin */
+ unlink_doc, /* array of long documentation strings. */
+ "unlink name", /* usage synopsis; becomes short_doc */
+ 0 /* reserved for internal use */
+};