1 files changed, 115 insertions, 0 deletions
diff --git a/lib/libbe/be_error.c b/lib/libbe/be_error.c
new file mode 100644
index 000000000000..bb1e1ed88c5d
--- /dev/null
+++ b/lib/libbe/be_error.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2017 Kyle J. Kneitinger <kyle@kneit.in>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <sys/cdefs.h>
+#include "be.h"
+#include "be_impl.h"
+
+/*
+ * Usage
+ */
+int
+libbe_errno(libbe_handle_t *lbh)
+{
+
+	return (lbh->error);
+}
+
+
+const char *
+libbe_error_description(libbe_handle_t *lbh)
+{
+
+	switch (lbh->error) {
+	case BE_ERR_INVALIDNAME:
+		return ("invalid boot environment name");
+
+	case BE_ERR_EXISTS:
+		return ("boot environment name already taken");
+
+	case BE_ERR_NOENT:
+		return ("specified boot environment does not exist");
+
+	case BE_ERR_PERMS:
+		return ("insufficient permissions");
+
+	case BE_ERR_DESTROYACT:
+		return ("cannot destroy active boot environment");
+
+	case BE_ERR_DESTROYMNT:
+		return ("cannot destroy mounted boot env unless forced");
+
+	case BE_ERR_BADPATH:
+		return ("path not suitable for operation");
+
+	case BE_ERR_PATHBUSY:
+		return ("specified path is busy");
+
+	case BE_ERR_PATHLEN:
+		return ("provided path name exceeds maximum length limit");
+
+	case BE_ERR_BADMOUNT:
+		return ("mountpoint is not \"/\"");
+
+	case BE_ERR_NOORIGIN:
+		return ("could not open snapshot's origin");
+
+	case BE_ERR_MOUNTED:
+		return ("boot environment is already mounted");
+
+	case BE_ERR_NOMOUNT:
+		return ("boot environment is not mounted");
+
+	case BE_ERR_ZFSOPEN:
+		return ("calling zfs_open() failed");
+
+	case BE_ERR_ZFSCLONE:
+		return ("error when calling zfs_clone() to create boot env");
+
+	case BE_ERR_IO:
+		return ("input/output error");
+
+	case BE_ERR_NOPOOL:
+		return ("operation not supported on this pool");
+
+	case BE_ERR_NOMEM:
+		return ("insufficient memory");
+
+	case BE_ERR_UNKNOWN:
+		return ("unknown error");
+
+	case BE_ERR_INVORIGIN:
+		return ("invalid origin");
+
+	case BE_ERR_HASCLONES:
+		return ("snapshot has clones");
+
+	default:
+		assert(lbh->error == BE_ERR_SUCCESS);
+		return ("no error");
+	}
+}
+
+
+void
+libbe_print_on_error(libbe_handle_t *lbh, bool val)
+{
+
+	lbh->print_on_err = val;
+	libzfs_print_on_error(lbh->lzh, val);
+}
+
+
+int
+set_error(libbe_handle_t *lbh, be_error_t err)
+{
+
+	lbh->error = err;
+	if (lbh->print_on_err && (err != BE_ERR_SUCCESS))
+		fprintf(stderr, "%s\n", libbe_error_description(lbh));
+
+	return (err);
+}