X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Fisam.h;h=2051bf594e77ffbc26112130bf392db1eb413683;hb=affd7e4168d70b94e015b777748b7eca1cd00ec0;hp=bf965839d2fe2430f658e5a2f1e34f96ed384a41;hpb=78e91b9656e1f6b9f47db50083b1dda4af66787f;p=idzebra-moved-to-github.git

diff --git a/include/isam.h b/include/isam.h
index bf96583..2051bf5 100644
--- a/include/isam.h
+++ b/include/isam.h
@@ -4,7 +4,22 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: isam.h,v $
- * Revision 1.4  1994-09-26 17:05:54  quinn
+ * Revision 1.9  1994-09-28 16:58:26  quinn
+ * Small mod.
+ *
+ * Revision 1.8  1994/09/28  12:56:09  quinn
+ * Added access functions (ISPT)
+ *
+ * Revision 1.7  1994/09/28  11:56:13  quinn
+ * Removed const from input to is_merge
+ *
+ * Revision 1.6  1994/09/28  11:29:28  quinn
+ * Added cmp parameter.
+ *
+ * Revision 1.5  1994/09/27  20:03:36  quinn
+ * Seems relatively bug-free.
+ *
+ * Revision 1.4  1994/09/26  17:05:54  quinn
  * Trivial.
  *
  * Revision 1.3  1994/09/26  16:08:42  quinn
@@ -23,12 +38,14 @@
 
 #include <bfile.h>
 
+#include "../isam/memory.h"
+#include "../isam/physical.h"
+
 #define IS_MAX_BLOCKTYPES 4
 #define IS_MAX_RECORD 512
 #define IS_DEF_REPACK_PERCENT "30" /* how much relative change before repack */
 
 typedef unsigned int SYSNO; /* should be somewhere else */
-typedef unsigned int ISAM_P;
 
 /*
  * Description of a blocktype (part of an isam file)
@@ -42,7 +59,7 @@ typedef struct isam_blocktype
     int max_keys_block0;         /* max num of keys in first block */
     int nice_keys_block;         /* nice number of keys per block */
     int max_keys;                /* max number of keys per table */
-    int freelist;                /* fist free block */
+    int freelist;                /* first free block */
     int top;                     /* first unused block */
     int index;                   /* placeholder. Always 0. */
     char *dbuf;                  /* buffer for use in I/O operations */
@@ -59,12 +76,11 @@ typedef struct isam_struct
     int keysize;                  /* size of the keys (records) used */
     int repack;                   /* how many percent to grow before repack */
     int (*cmp)(const void *k1, const void *k2); /* compare function */
-} isam_struct, *ISAM;
+} isam_struct;
 
-struct is_mtable;
 typedef struct ispt_struct
 {
-    struct is_mtable *tab;
+    struct is_mtable tab;
     struct ispt_struct *next;      /* freelist */
 } ispt_struct, *ISPT; 
 
@@ -81,7 +97,8 @@ typedef struct ispt_struct
 /*
  * Open isam file.
  */
-ISAM is_open(const char *name, int writeflag);
+ISAM is_open(const char *name, int (*cmp)(const void *p1, const void *p2),
+    int writeflag);
 
 /*
  * Close isam file.
@@ -106,6 +123,10 @@ int is_readkey(ISPT ip, void *buf);
 
 int is_writekey(ISPT ip, const void *buf);
 
-ISAM_P is_merge(ISAM is, ISAM_P pos, int num, const char *data);
+int is_numkeys(ISPT ip);
+
+void is_rewind(ISPT ip);
+
+ISAM_P is_merge(ISAM is, ISAM_P pos, int num, char *data);
 
 #endif