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+/****************************************************************************
+ * NCSA HDF *
+ * Software Development Group *
+ * National Center for Supercomputing Applications *
+ * University of Illinois at Urbana-Champaign *
+ * 605 E. Springfield, Champaign IL 61820 *
+ * *
+ * For conditions of distribution and use, see the accompanying *
+ * hdf/COPYING file. *
+ * *
+ ****************************************************************************/
+
+/* $Id$ */
+
+/*
+ * This file contains macros & information for file access
+ */
+
+#ifndef HDF5FILE_H
+#define HDF5FILE_H
+
+#include "H5Fproto.h" /* Include Public Definitions */
+
+ /*****************************************/
+ /*** This is the top level header file ***/
+ /*** and shouldn't depend on any other ***/
+ /*** packages! ***/
+ /*****************************************/
+
+
+
+#define SIZEOF_OFFSET(F) ((F)->file_create_parms.offset_size)
+#define SIZEOF_SIZE(F) ((F)->file_create_parms.length_size)
+
+/* Size of the default error stack for file IDs */
+#define HDF5_FILE_ERRSTACK 16
+
+/* Define the structure to store the file information for HDF5 files */
+typedef struct {
+ char *dir; /* Directory the file is located within */
+ char *filename; /* Filename of file */
+ uintn acc_perm; /* Access Permissions for file */
+ hdf_file_t file_handle; /* File handle for actual I/O */
+ int32 file_err; /* Error stack ID for this file */
+ uintn ref_count; /* Reference count for number of times file is opened */
+ uint32 consist_flags; /* File Consistency Flags */
+ size_t smallobj_off; /* Offset of small-object heap within the file */
+ size_t freespace_off; /* Offset of free-space info within the file */
+ size_t logical_len; /* Logical length of file */
+ struct H5AC_cache_t *cache; /* The object cache */
+ file_create_temp_t file_create_parms; /* File-creation template parameters */
+#ifdef LATER
+ file_access_temp_t file_access_parms; /* File-access template parameters */
+#endif /* LATER */
+ struct H5G_entry_t *root_sym; /* Extra for the root symbol in the file */
+ } hdf5_file_t;
+
+/* Define a macro to ease calculation of the symbol-table entry size */
+#define H5F_symbol_table_size(f) (4+ /* "Symbol-type" bytes */ \
+ f->file_create_parms.offset_size+ /* Offset bytes */ \
+ f->file_create_parms.length_size+ /* Length bytes */ \
+ 4+ /* Name offset in local heap */ \
+ 24) /* "Scratch" space */ \
+
+#ifdef NOT_YET
+#define H5F_encode_offset(f,p,o) (f->file_create_parms.offset_size==4 ? UINT32ENCODE(p,o) \
+ : f->file_create_parms.offset_size==8 ? UINT64ENCODE(p,o) \
+ : f->file_create_parms.offset_size==2 ? UINT16ENCODE(p,o) \
+ : H5FPencode_unusual_offset(f,&(p),(uint8 *)&(o)))
+#else /* NOT_YET */
+#define H5F_encode_offset(f,p,o) switch(f->file_create_parms.offset_size) { case 4: UINT32ENCODE(p,o); break;\
+ case 8: UINT64ENCODE(p,o); break;\
+ case 2: UINT16ENCODE(p,o); break;}
+#endif /* NOT_YET */
+#define H5F_decode_offset(f,p,o) switch(f->file_create_parms.offset_size) { case 4: UINT32DECODE(p,o); break;\
+ case 8: UINT64DECODE(p,o); break;\
+ case 2: UINT16DECODE(p,o); break;}
+
+#ifdef NOT_YET
+#define H5F_encode_length(f,p,l) (f->file_create_parms.length_size==4 ? UINT32ENCODE(p,l) \
+ : f->file_create_parms.length_size==8 ? UINT64ENCODE(p,l) \
+ : f->file_create_parms.length_size==2 ? UINT16ENCODE(p,l) : H5FPencode_unusual_length(f,&(p),(uint8 *)&(l)))
+#else /* NOT_YET */
+#define H5F_encode_length(f,p,l) switch(f->file_create_parms.length_size) { case 4: UINT32ENCODE(p,l); break;\
+ case 8: UINT64ENCODE(p,l); break;\
+ case 2: UINT16ENCODE(p,l); break;}
+#endif /* NOT_YET */
+
+#define H5F_decode_length(f,p,l) switch(f->file_create_parms.length_size) { case 4: UINT32DECODE(p,l); break;\
+ case 8: UINT64DECODE(p,l); break;\
+ case 2: UINT16DECODE(p,l); break;}
+
+/* Private functions, not part of the publicly documented API */
+void H5F_encode_length_unusual(const hdf5_file_t *f, uint8 **p, uint8 *l);
+void H5F_encode_offset_unusual(const hdf5_file_t *f, uint8 **p, uint8 *o);
+intn H5F_compare_filename(const VOIDP obj, const VOIDP key);
+herr_t H5F_block_read (hdf5_file_t *f, off_t addr, size_t size, void *buf);
+herr_t H5F_block_write (hdf5_file_t *f, off_t addr, size_t size, void *buf);
+
+#endif /* HDF5FILE_H */
+