Beginnings of a new, better portable FS shell with Haiku FS interface.

Doesn't do anything ATM, but already provides the required system
interface (VFS, caches, POSIX functions).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20859 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/fs_shell/fssh_fs_query.h

@@ -0,0 +1,43 @@
+/* File System attribute queries
+**
+** Distributed under the terms of the OpenBeOS License.
+*/
+#ifndef _FSSH_FS_QUERY_H
+#define _FSSH_FS_QUERY_H
+
+
+#include "fssh_os.h"
+#include "fssh_dirent.h"
+
+
+/* Flags for fs_open_[live_]query() */
+
+#define FSSH_B_LIVE_QUERY			0x00000001
+	// Note, if you specify B_LIVE_QUERY, you have to use fs_open_live_query();
+	// it will be ignored in fs_open_query().
+#define FSSH_B_QUERY_NON_INDEXED	0x00000002
+	// Only enable this feature for non time-critical things, it might
+	// take a long time to proceed.
+	// Also, not every file system might support this feature.
+
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+extern fssh_DIR*			fssh_fs_open_query(fssh_dev_t device,
+									const char *query, uint32_t flags);
+extern fssh_DIR*			fssh_fs_open_live_query(fssh_dev_t device,
+									const char *query, uint32_t flags,
+									fssh_port_id port, int32_t token);
+extern int					fssh_fs_close_query(fssh_DIR *d);
+extern struct fssh_dirent*	fssh_fs_read_query(fssh_DIR *d);
+
+extern fssh_status_t		fssh_get_path_for_dirent(struct fssh_dirent *dent,
+								char *buf, fssh_size_t len);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif	/* _FSSH_FS_QUERY_H */