1 files changed, 83 insertions, 0 deletions
diff --git a/fs/sandbox/sandboxfs.c b/fs/sandbox/sandboxfs.c
new file mode 100644
index 0000000000..02d26ff851
--- /dev/null
+++ b/fs/sandbox/sandboxfs.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2012, Google Inc.
+ *
+ * This program 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 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <fs.h>
+#include <os.h>
+
+int sandbox_fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info)
+{
+	return 0;
+}
+
+long sandbox_fs_read_at(const char *filename, unsigned long pos,
+			     void *buffer, unsigned long maxsize)
+{
+	ssize_t size;
+	int fd, ret;
+
+	fd = os_open(filename, OS_O_RDONLY);
+	if (fd < 0)
+		return fd;
+	ret = os_lseek(fd, pos, OS_SEEK_SET);
+	if (ret == -1) {
+		os_close(fd);
+		return ret;
+	}
+	if (!maxsize)
+		maxsize = os_get_filesize(filename);
+	size = os_read(fd, buffer, maxsize);
+	os_close(fd);
+
+	return size;
+}
+
+int sandbox_fs_ls(const char *dirname)
+{
+	struct os_dirent_node *head, *node;
+	int ret;
+
+	ret = os_dirent_ls(dirname, &head);
+	if (ret)
+		return ret;
+
+	for (node = head; node; node = node->next) {
+		printf("%s %10lu %s\n", os_dirent_get_typename(node->type),
+		       node->size, node->name);
+	}
+
+	return 0;
+}
+
+void sandbox_fs_close(void)
+{
+}
+
+int fs_read_sandbox(const char *filename, void *buf, int offset, int len)
+{
+	int len_read;
+
+	len_read = sandbox_fs_read_at(filename, offset, buf, len);
+	if (len_read == -1) {
+		printf("** Unable to read file %s **\n", filename);
+		return -1;
+	}
+
+	return len_read;
+}