--- /dev/null
+/*
+ * Copyright (C) 1994, Index Data I/S
+ * All rights reserved.
+ * Sebastian Hammer, Adam Dickmeiss
+ *
+ * $Log: bfile.h,v $
+ * Revision 1.1 1994-08-16 16:16:02 adam
+ * bfile header created.
+ *
+ */
+
+#ifndef BFILE_H
+#define BFILE_H
+struct BFile_block
+{
+ struct BFile_block *h_next, **h_prev;
+ struct BFile_block *lru_next, *lru_prev;
+ void *data;
+ int dirty;
+ int no;
+};
+
+typedef struct BFile_struct
+{
+ int fd;
+ int block_size;
+ int cache;
+ struct BFile_block *all_blocks;
+ struct BFile_block *free_list;
+ struct BFile_block **hash_array;
+
+ struct BFile_block *lru_back, *lru_front;
+ int hash_size;
+ void *all_data;
+
+ int hits;
+ int misses;
+} *BFile;
+
+int bf_close (BFile);
+BFile bf_open (const char *name, int block_size, int cache);
+BFile bf_open_w (const char *name, int block_size, int cache);
+int bf_read (BFile bf, int no, void *buf);
+int bf_write (BFile bf, int no, const void *buf);
+
+int bf_readp (BFile bf, int no, void **bufp);
+int bf_newp (BFile bf, int no, void **bufp);
+int bf_touch (BFile bf, int no);
+void bf_flush_blocks (BFile bf, int no_to_flush);
+
+void *xmalloc_f (size_t size);
+#define xmalloc(x) xmalloc_f(x)
+
+extern char *prog;
+
+#endif