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Half-way through a major refactoring of the memory allocation.

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I have not even attempted to compile so I am certain there are
countless errors. (CVS 4231)

FossilOrigin-Name: deb7ecd65f7b83eaf0ba610eeef3b0ede61db1c3
This commit is contained in:
drh
2007-08-16 04:30:38 +00:00
parent 0e6f1546b0
commit 174357527a
53 changed files with 1322 additions and 1973 deletions
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31
src/attach.c
View File

@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the ATTACH and DETACH commands.
**
** $Id: attach.c,v 1.60 2007/05/09 20:31:30 drh Exp $
** $Id: attach.c,v 1.61 2007/08/16 04:30:39 drh Exp $
*/
#include "sqliteInt.h"
@@ -102,7 +102,8 @@ static void attachFunc(
for(i=0; i<db->nDb; i++){
char *z = db->aDb[i].zName;
if( z && zName && sqlite3StrICmp(z, zName)==0 ){
sqlite3_snprintf(sizeof(zErr), zErr, "database %s is already in use", zName);
sqlite3_snprintf(sizeof(zErr), zErr,
"database %s is already in use", zName);
goto attach_error;
}
}
@@ -111,14 +112,16 @@ static void attachFunc(
** hash tables.
*/
if( db->aDb==db->aDbStatic ){
aNew = sqliteMalloc( sizeof(db->aDb[0])*3 );
aNew = sqlite3_malloc( sizeof(db->aDb[0])*3 );
if( aNew==0 ){
db->mallocFailed = 1;
return;
}
memcpy(aNew, db->aDb, sizeof(db->aDb[0])*2);
}else{
aNew = sqliteRealloc(db->aDb, sizeof(db->aDb[0])*(db->nDb+1) );
aNew = sqlite3_realloc(db->aDb, sizeof(db->aDb[0])*(db->nDb+1) );
if( aNew==0 ){
db->mallocFailed = 1;
return;
}
}
@@ -132,7 +135,7 @@ static void attachFunc(
*/
rc = sqlite3BtreeFactory(db, zFile, 0, SQLITE_DEFAULT_CACHE_SIZE, &aNew->pBt);
if( rc==SQLITE_OK ){
aNew->pSchema = sqlite3SchemaGet(aNew->pBt);
aNew->pSchema = sqlite3SchemaGet(db, aNew->pBt);
if( !aNew->pSchema ){
rc = SQLITE_NOMEM;
}else if( aNew->pSchema->file_format && aNew->pSchema->enc!=ENC(db) ){
@@ -142,7 +145,7 @@ static void attachFunc(
}
sqlite3PagerLockingMode(sqlite3BtreePager(aNew->pBt), db->dfltLockMode);
}
aNew->zName = sqliteStrDup(zName);
aNew->zName = sqlite3DbStrDup(db, zName);
aNew->safety_level = 3;
#if SQLITE_HAS_CODEC
@@ -155,7 +158,7 @@ static void attachFunc(
switch( t ){
case SQLITE_INTEGER:
case SQLITE_FLOAT:
zErrDyn = sqliteStrDup("Invalid key value");
zErrDyn = sqlite3DbStrDup(db, "Invalid key value");
rc = SQLITE_ERROR;
break;
@@ -196,7 +199,7 @@ static void attachFunc(
sqlite3ResetInternalSchema(db, 0);
db->nDb = iDb;
if( rc==SQLITE_NOMEM ){
sqlite3FailedMalloc();
db->mallocFailed = 1;
sqlite3_snprintf(sizeof(zErr),zErr, "out of memory");
}else{
sqlite3_snprintf(sizeof(zErr),zErr, "unable to open database: %s", zFile);
@@ -210,7 +213,7 @@ attach_error:
/* Return an error if we get here */
if( zErrDyn ){
sqlite3_result_error(context, zErrDyn, -1);
sqliteFree(zErrDyn);
sqlite3_free(zErrDyn);
}else{
zErr[sizeof(zErr)-1] = 0;
sqlite3_result_error(context, zErr, -1);
@@ -292,14 +295,14 @@ static void codeAttach(
sqlite3* db = pParse->db;
#ifndef SQLITE_OMIT_AUTHORIZATION
assert( sqlite3MallocFailed() || pAuthArg );
assert( db->mallocFailed || pAuthArg );
if( pAuthArg ){
char *zAuthArg = sqlite3NameFromToken(&pAuthArg->span);
char *zAuthArg = sqlite3NameFromToken(db, &pAuthArg->span);
if( !zAuthArg ){
goto attach_end;
}
rc = sqlite3AuthCheck(pParse, type, zAuthArg, 0, 0);
sqliteFree(zAuthArg);
sqlite3_free(zAuthArg);
if(rc!=SQLITE_OK ){
goto attach_end;
}
@@ -323,7 +326,7 @@ static void codeAttach(
sqlite3ExprCode(pParse, pDbname);
sqlite3ExprCode(pParse, pKey);
assert( v || sqlite3MallocFailed() );
assert( v || db->mallocFailed );
if( v ){
sqlite3VdbeAddOp(v, OP_Function, 0, nFunc);
pFunc = sqlite3FindFunction(db, zFunc, strlen(zFunc), nFunc, SQLITE_UTF8,0);
@@ -424,7 +427,7 @@ int sqlite3FixSrcList(
zDb = pFix->zDb;
for(i=0, pItem=pList->a; i<pList->nSrc; i++, pItem++){
if( pItem->zDatabase==0 ){
pItem->zDatabase = sqliteStrDup(zDb);
pItem->zDatabase = sqlite3DbStrDup(pFix->pParse->db, zDb);
}else if( sqlite3StrICmp(pItem->zDatabase,zDb)!=0 ){
sqlite3ErrorMsg(pFix->pParse,
"%s %T cannot reference objects in database %s",