X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=isamc%2Fisamc-p.h;h=27c245494d87744d6572260802177d2c0e5064b0;hb=2b33b395b50c562323ea2b0251f9b798cf5241d2;hp=47015c048db10cbca3ce1bdbc3a2ac8c5480157d;hpb=932697e4b6d6dd00a210b84b285bd8c0000f379f;p=idzebra-moved-to-github.git

diff --git a/isamc/isamc-p.h b/isamc/isamc-p.h
index 47015c0..27c2454 100644
--- a/isamc/isamc-p.h
+++ b/isamc/isamc-p.h
@@ -4,7 +4,27 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: isamc-p.h,v $
- * Revision 1.1  1996-10-29 13:40:47  adam
+ * Revision 1.7  1999-05-26 07:49:14  adam
+ * C++ compilation.
+ *
+ * Revision 1.6  1998/03/18 09:23:55  adam
+ * Blocks are stored in chunks on free list - up to factor 2 in speed.
+ * Fixed bug that could occur in block category rearrangemen.
+ *
+ * Revision 1.5  1998/03/16 10:37:24  adam
+ * Added more statistics.
+ *
+ * Revision 1.4  1996/11/08 11:15:28  adam
+ * Number of keys in chain are stored in first block and the function
+ * to retrieve this information, isc_pp_num is implemented.
+ *
+ * Revision 1.3  1996/11/04 14:08:55  adam
+ * Optimized free block usage.
+ *
+ * Revision 1.2  1996/11/01 08:59:13  adam
+ * First version of isc_merge that supports update/delete.
+ *
+ * Revision 1.1  1996/10/29 13:40:47  adam
  * First work.
  *
  */
@@ -12,34 +32,73 @@
 #include <bfile.h>
 #include <isamc.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct {
     int lastblock;
     int freelist;
 } ISAMC_head;
 
+typedef unsigned ISAMC_BLOCK_SIZE;
+
 typedef struct ISAMC_file_s {
     ISAMC_head head;
     BFile bf;
     int head_is_dirty;
+    
+    int no_writes;
+    int no_reads;
+    int no_skip_writes;
+    int no_allocated;
+    int no_released;
+    int no_remap;
+
+    int no_forward;
+    int no_backward;
+    int sum_forward;
+    int sum_backward;
+    int no_next;
+    int no_prev;
+
+    char *alloc_buf;
+    int alloc_entries_num;
+    int alloc_entries_max;
+
+    int fc_max;
+    int *fc_list;
 } *ISAMC_file;
 
 struct ISAMC_s {
     int no_files;
     int max_cat;
-    char *r_buf;
+    char *merge_buf;
     ISAMC_M method;
     ISAMC_file files;
 }; 
 
 struct ISAMC_PP_s {
     char *buf;
-    int offset;
-    int size;
+    ISAMC_BLOCK_SIZE offset;
+    ISAMC_BLOCK_SIZE size;
     int cat;
     int pos;
     int next;
     ISAMC is;
     void *decodeClientData;
+    int deleteFlag;
+    int numKeys;
 };
 
-#define ISAMC_BLOCK_OFFSET (sizeof(int)+sizeof(int))    
+#define ISAMC_BLOCK_OFFSET_N (sizeof(int)+sizeof(ISAMC_BLOCK_SIZE)) 
+#define ISAMC_BLOCK_OFFSET_1 (sizeof(int)+sizeof(ISAMC_BLOCK_SIZE)+sizeof(int)) 
+int isc_alloc_block (ISAMC is, int cat);
+void isc_release_block (ISAMC is, int cat, int pos);
+int isc_read_block (ISAMC is, int cat, int pos, char *dst);
+int isc_write_block (ISAMC is, int cat, int pos, char *src);
+
+#ifdef __cplusplus
+}
+#endif
+