Initial commit -- seeded with reiserfsprogs 3.x.0j

debugreiserfs/debugreiserfs.h

@@ -0,0 +1,135 @@
+/*
+ * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <time.h>
+#include <malloc.h>
+#include <sys/types.h>
+#include <asm/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "io.h"
+#include "misc.h"
+#include "reiserfs_lib.h"
+#include "../version.h"
+
+
+
+/*
+ *  modes
+ */
+#define DO_DUMP 1  /* not a real dump, just printing to stdout contents of
+                      tree nodes */
+#define DO_CORRUPT 2 /* used to make filesystem corruption and then test fsck */
+#define DO_SCAN 3
+#define DO_SCAN_FOR_NAME 4
+#define DO_RECOVER 5
+#define DO_TEST 6
+#define DO_PACK 7  /* -p extract meta data of reiserfs filesystem */
+#define DO_PACK_ALL 8 /* -p */
+
+extern int opt_quiet;
+extern int mode;
+
+
+// the leaf is stored in compact form: 
+// start magic number
+// block number __u32
+// item number __u16
+// struct packed_item
+// ..
+// end magic number
+
+/* we store hash code in high byte of 16 bits */
+#define LEAF_START_MAGIC 0xa5
+#define LEAF_END_MAGIC 0x5a
+
+
+
+#define FULL_BLOCK_START_MAGIC 0xb6
+#define FULL_BLOCK_END_MAGIC 0x6b
+#define UNFORMATTED_BITMAP_START_MAGIC 0xc7
+#define UNFORMATTED_BITMAP_END_MAGIC 0x7c
+#define END_MAGIC 0x8d
+#define INTERNAL_START_MAGIC
+#define INTERNAL_START_MAGIC
+
+
+#define ITEM_START_MAGIC 0x476576
+#define ITEM_END_MAGIC 0x2906504
+
+/* flags in packed item mask */
+#define NEW_FORMAT 1  // 0 here means - old format, 1 - new format
+#define DIR_ID 2
+#define OBJECT_ID 4
+#define OFFSET_BITS_32 8
+#define OFFSET_BITS_64 16
+#define ENTRY_COUNT 32 // shows whether ih_free_space/ih_entry_count is stored
+
+#define INDIRECT_ITEM 64
+#define DIRENTRY_ITEM 128
+#define DIRECT_ITEM 256
+#define STAT_DATA_ITEM 512
+
+#define ITEM_BODY 1024
+#define WHOLE_INDIRECT 128
+#define WITH_SD_FIRST_DIRECT_BYTE 8192 /* for old stat data first_direct_byte
+                                          is stored */
+#define NLINK_BITS_32 8192 /* nlinks stored in 32 bits */
+#define SIZE_BITS_64 16384 /* size has to be stored in 64 bit */
+
+struct packed_item {
+    /*__u16 length;*/ // length of the area we store item in
+    __u16 mask; // what is stored: dirid, objectid, 32 bit offset or 64 bit offset, type
+    __u16 item_len;
+};
+
+#define HAS_DIR_ID 1
+#define HAS_GEN_COUNTER 2
+#define HAS_STATE 4
+#define YURA 8
+#define TEA 16
+#define R5 32
+struct packed_dir_entry {
+    __u8 mask;
+    __u16 entrylen;
+};
+
+
+#define fread8(pv) fread (pv, sizeof (__u8), 1, stdin)
+#define fread16(pv) fread (pv, sizeof (__u16), 1, stdin)
+#define fread32(pv) fread (pv, sizeof (__u32), 1, stdin)
+#define fread64(pv) fread (pv, sizeof (__u64), 1, stdin)
+
+#define fwrite8(pv) {\
+if (fwrite (pv, sizeof (__u8), 1, stdout) != 1)\
+    reiserfs_panic ("fwrite8 failed: %m");\
+}
+#define fwrite16(pv) {\
+if (fwrite (pv, sizeof (__u16), 1, stdout) != 1)\
+    reiserfs_panic ("fwrite16 failed: %m");\
+}
+#define fwrite32(pv) {\
+if (fwrite (pv, sizeof (__u32), 1, stdout) != 1)\
+    reiserfs_panic ("fwrite32 failed: %m");\
+}
+#define fwrite64(pv) {\
+if (fwrite (pv, sizeof (__u64), 1, stdout) != 1)\
+    reiserfs_panic ("fwrite64 failed: %m");\
+}
+/*
+#define fwrite16(pv) fwrite (pv, sizeof (__u16), 1, stdout)
+#define fwrite32(pv) fwrite (pv, sizeof (__u32), 1, stdout)
+#define fwrite64(pv) fwrite (pv, sizeof (__u64), 1, stdout)
+*/
+
+
+#define BLOCKS_PER_READ 8
+extern char * where_to_save;