collision resolving

3 files changed, 41 insertions, 37 deletions

diff --git a/include/my_alloc.h b/include/my_alloc.h
new file mode 100644
index 00000000000..0857c8886c5
--- /dev/null
+++ b/include/my_alloc.h
@@ -0,0 +1,39 @@
+/* Copyright (C) 2000 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/* 
+   Data structures for mysys/my_alloc.c (root memory allocator)
+*/
+
+#ifndef ST_USED_MEM_DEFINED
+#define ST_USED_MEM_DEFINED
+typedef struct st_used_mem {	   /* struct for once_alloc (block) */
+  struct st_used_mem *next;	   /* Next block in use */
+  unsigned int	left;		   /* memory left in block  */
+  unsigned int	size;		   /* size of block */
+} USED_MEM;
+typedef struct st_mem_root {
+  USED_MEM *free;                  /* blocks with free memory in it */
+  USED_MEM *used;                  /* blocks almost without free memory */
+  USED_MEM *pre_alloc;             /* preallocated block */
+  /* if block have less memory it will be put in 'used' list*/
+  unsigned int	min_malloc;
+  unsigned int	block_size;        /* initial block size */
+  unsigned int	block_num;         /* allocated blocks counter */
+
+  void (*error_handler)(void);
+} MEM_ROOT;
+#endif
diff --git a/include/my_sys.h b/include/my_sys.h
index 5867368198f..c4ab76a2ee0 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -464,26 +464,7 @@ typedef struct st_changeable_var {
 } CHANGEABLE_VAR;
 
 
-/* structs for alloc_root */
-
-#ifndef ST_USED_MEM_DEFINED
-#define ST_USED_MEM_DEFINED
-typedef struct st_used_mem {			/* struct for once_alloc */
-  struct st_used_mem *next;			/* Next block in use */
-  unsigned int left;				/* memory left in block  */
-  unsigned int size;				/* Size of block */
-} USED_MEM;
-
-typedef struct st_mem_root {
-  USED_MEM *free;
-  USED_MEM *used;
-  USED_MEM *pre_alloc;
-  unsigned int	min_malloc;
-  unsigned int	block_size;
-
-  void (*error_handler)(void);
-} MEM_ROOT;
-#endif
+#include "my_alloc.h"
 
 	/* Prototypes for mysys and my_func functions */
 
diff --git a/include/mysql.h b/include/mysql.h
index 7a16cbbe1d2..90deb791dd0 100644
--- a/include/mysql.h
+++ b/include/mysql.h
@@ -100,23 +100,7 @@ typedef struct st_mysql_rows {
 
 typedef MYSQL_ROWS *MYSQL_ROW_OFFSET;	/* offset to current row */
 
-#ifndef ST_USED_MEM_DEFINED
-#define ST_USED_MEM_DEFINED
-typedef struct st_used_mem {			/* struct for once_alloc */
-  struct st_used_mem *next;			/* Next block in use */
-  unsigned int	left;				/* memory left in block  */
-  unsigned int	size;				/* size of block */
-} USED_MEM;
-typedef struct st_mem_root {
-  USED_MEM *free;
-  USED_MEM *used;
-  USED_MEM *pre_alloc;
-  unsigned int	min_malloc;
-  unsigned int	block_size;
-
-  void (*error_handler)(void);
-} MEM_ROOT;
-#endif
+#include "my_alloc.h"
 
 typedef struct st_mysql_data {
   my_ulonglong rows;