Adding upstream version 2.06.upstream/2.06upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/include/grub/fshelp.h b/include/grub/fshelp.h
new file mode 100644
index 0000000..eb1ba4f
--- /dev/null
+++ b/include/grub/fshelp.h
@@ -0,0 +1,91 @@
+/* fshelp.h -- Filesystem helper functions */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2004,2005,2006,2007,2008  Free Software Foundation, Inc.
+ *
+ *  GRUB 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.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_FSHELP_HEADER
+#define GRUB_FSHELP_HEADER	1
+
+#include <grub/types.h>
+#include <grub/symbol.h>
+#include <grub/err.h>
+#include <grub/disk.h>
+
+typedef struct grub_fshelp_node *grub_fshelp_node_t;
+
+#define GRUB_FSHELP_CASE_INSENSITIVE	0x100
+#define GRUB_FSHELP_TYPE_MASK	0xff
+#define GRUB_FSHELP_FLAGS_MASK	0x100
+
+enum grub_fshelp_filetype
+  {
+    GRUB_FSHELP_UNKNOWN,
+    GRUB_FSHELP_REG,
+    GRUB_FSHELP_DIR,
+    GRUB_FSHELP_SYMLINK
+  };
+
+typedef int (*grub_fshelp_iterate_dir_hook_t) (const char *filename,
+					       enum grub_fshelp_filetype filetype,
+					       grub_fshelp_node_t node,
+					       void *data);
+
+/* Lookup the node PATH.  The node ROOTNODE describes the root of the
+   directory tree.  The node found is returned in FOUNDNODE, which is
+   either a ROOTNODE or a new malloc'ed node.  ITERATE_DIR is used to
+   iterate over all directory entries in the current node.
+   READ_SYMLINK is used to read the symlink if a node is a symlink.
+   EXPECTTYPE is the type node that is expected by the called, an
+   error is generated if the node is not of the expected type.  */
+grub_err_t
+EXPORT_FUNC(grub_fshelp_find_file) (const char *path,
+				    grub_fshelp_node_t rootnode,
+				    grub_fshelp_node_t *foundnode,
+				    int (*iterate_dir) (grub_fshelp_node_t dir,
+							grub_fshelp_iterate_dir_hook_t hook,
+							void *hook_data),
+				    char *(*read_symlink) (grub_fshelp_node_t node),
+				    enum grub_fshelp_filetype expect);
+
+
+grub_err_t
+EXPORT_FUNC(grub_fshelp_find_file_lookup) (const char *path,
+					   grub_fshelp_node_t rootnode,
+					   grub_fshelp_node_t *foundnode,
+					   grub_err_t (*lookup_file) (grub_fshelp_node_t dir,
+								      const char *name,
+								      grub_fshelp_node_t *foundnode,
+								      enum grub_fshelp_filetype *foundtype),
+					   char *(*read_symlink) (grub_fshelp_node_t node),
+					   enum grub_fshelp_filetype expect);
+
+/* Read LEN bytes from the file NODE on disk DISK into the buffer BUF,
+   beginning with the block POS.  READ_HOOK should be set before
+   reading a block from the file.  GET_BLOCK is used to translate file
+   blocks to disk blocks.  The file is FILESIZE bytes big and the
+   blocks have a size of LOG2BLOCKSIZE (in log2).  */
+grub_ssize_t
+EXPORT_FUNC(grub_fshelp_read_file) (grub_disk_t disk, grub_fshelp_node_t node,
+				    grub_disk_read_hook_t read_hook,
+				    void *read_hook_data,
+				    grub_off_t pos, grub_size_t len, char *buf,
+				    grub_disk_addr_t (*get_block) (grub_fshelp_node_t node,
+                                                                   grub_disk_addr_t block),
+				    grub_off_t filesize, int log2blocksize,
+				    grub_disk_addr_t blocks_start);
+
+#endif /* ! GRUB_FSHELP_HEADER */