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Remove the vestigial mem4 and mem6 memory allocators. Add the

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SQLITE_ZERO_MALLOC compile-time option and the mem0.c module to
handle memory allocation for that case. (CVS 5848)

FossilOrigin-Name: 4651f590f0b8bf13938b2b15d5082136e763af8d
This commit is contained in:
drh
2008-10-28 18:58:20 +00:00
parent 27c3bd7b73
commit d1370b6d92
12 changed files with 103 additions and 972 deletions
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19
src/mem2.c
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@@ -19,7 +19,7 @@
** This file contains implementations of the low-level memory allocation
** routines specified in the sqlite3_mem_methods object.
**
** $Id: mem2.c,v 1.39 2008/09/01 18:34:20 danielk1977 Exp $
** $Id: mem2.c,v 1.40 2008/10/28 18:58:20 drh Exp $
*/
#include "sqliteInt.h"
@@ -323,8 +323,11 @@ static void *sqlite3MemRealloc(void *pPrior, int nByte){
return pNew;
}
const sqlite3_mem_methods *sqlite3MemGetDefault(void){
/*
** Populate the low-level memory allocation function pointers in
** sqlite3GlobalConfig.m with pointers to the routines in this file.
*/
void sqlite3MemSetDefault(void){
static const sqlite3_mem_methods defaultMethods = {
sqlite3MemMalloc,
sqlite3MemFree,
@@ -335,15 +338,7 @@ const sqlite3_mem_methods *sqlite3MemGetDefault(void){
sqlite3MemShutdown,
0
};
return &defaultMethods;
}
/*
** Populate the low-level memory allocation function pointers in
** sqlite3GlobalConfig.m with pointers to the routines in this file.
*/
void sqlite3MemSetDefault(void){
sqlite3_config(SQLITE_CONFIG_MALLOC, sqlite3MemGetDefault());
sqlite3_config(SQLITE_CONFIG_MALLOC, &defaultMethods);
}
/*