Change mem5.c so that the minimum allocation size is runtime configurable. (CVS 5320)
FossilOrigin-Name: 4f95f4cdf77e134fab42148e10198c7b008d4ae6
diff --git a/src/test_malloc.c b/src/test_malloc.c
index dbb6fec..17f6a43 100644
--- a/src/test_malloc.c
+++ b/src/test_malloc.c
@@ -13,7 +13,7 @@
** This file contains code used to implement test interfaces to the
** memory allocation subsystem.
**
-** $Id: test_malloc.c,v 1.31 2008/06/25 14:26:09 danielk1977 Exp $
+** $Id: test_malloc.c,v 1.32 2008/06/27 13:27:04 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
@@ -965,6 +965,47 @@
}
/*
+** Usage:
+**
+** sqlite3_config_heap ?-memsys3? NBYTE NMINALLOC
+*/
+static int test_config_heap(
+ void * clientData,
+ Tcl_Interp *interp,
+ int objc,
+ Tcl_Obj *CONST objv[]
+){
+ static char zBuf[1048576];
+ int nByte; /* Size of buffer to pass to sqlite3_config() */
+ int nMinAlloc; /* Size of minimum allocation */
+ int rc; /* Return code of sqlite3_config() */
+ int isMemsys3 = 0; /* True if the -memsys3 switch is present */
+
+ Tcl_Obj * CONST *aArg = &objv[1];
+ int nArg = objc-1;
+
+ if( nArg>0 && 0==strcmp("-memsys3", Tcl_GetString(aArg[0])) ){
+ nArg--;
+ aArg++;
+ isMemsys3 = 1;
+ }
+ if( nArg!=2 ){
+ Tcl_WrongNumArgs(interp, 1, objv, "?-memsys3? NBYTE NMINALLOC");
+ return TCL_ERROR;
+ }
+ if( Tcl_GetIntFromObj(interp, aArg[0], &nByte) ) return TCL_ERROR;
+ if( Tcl_GetIntFromObj(interp, aArg[1], &nMinAlloc) ) return TCL_ERROR;
+
+ if( nByte>sizeof(zBuf) ){
+ nByte = sizeof(zBuf);
+ }
+ rc = sqlite3_config(SQLITE_CONFIG_HEAP, zBuf, nByte, nMinAlloc);
+
+ Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
+ return TCL_OK;
+}
+
+/*
** Usage:
**
** sqlite3_dump_memsys3 FILENAME
@@ -1106,6 +1147,7 @@
{ "install_malloc_faultsim", test_install_malloc_faultsim ,0. },
{ "sqlite3_config_memsys3", test_config_memsys3, SQLITE_CONFIG_MEMSYS3 },
{ "sqlite3_config_memsys5", test_config_memsys3, SQLITE_CONFIG_MEMSYS5 },
+ { "sqlite3_config_heap", test_config_heap, 0 },
{ "sqlite3_dump_memsys3", test_dump_memsys3 , SQLITE_CONFIG_MEMSYS3 },
{ "sqlite3_dump_memsys5", test_dump_memsys3 , SQLITE_CONFIG_MEMSYS5 }
};