--- a/engine/sqlite/src/legacy.cpp Wed Apr 28 13:20:05 2010 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,134 +0,0 @@
-/*
-** 2001 September 15
-**
-** The author disclaims copyright to this source code. In place of
-** a legal notice, here is a blessing:
-**
-** May you do good and not evil.
-** May you find forgiveness for yourself and forgive others.
-** May you share freely, never taking more than you give.
-**
-*************************************************************************
-** Main file for the SQLite library. The routines in this file
-** implement the programmer interface to the library. Routines in
-** other files are for internal use by SQLite and should not be
-** accessed by users of the library.
-**
-** $Id: legacy.cpp 1282 2008-11-13 09:31:33Z LarsPson $
-*/
-
-#include "sqliteInt.h"
-#include <ctype.h>
-
-/*
-** Execute SQL code. Return one of the SQLITE_ success/failure
-** codes. Also write an error message into memory obtained from
-** malloc() and make *pzErrMsg point to that message.
-**
-** If the SQL is a query, then for each row in the query result
-** the xCallback() function is called. pArg becomes the first
-** argument to xCallback(). If xCallback=NULL then no callback
-** is invoked, even for queries.
-*/
-EXPORT_C int sqlite3_exec(
- sqlite3 *db, /* The database on which the SQL executes */
- const char *zSql, /* The SQL to be executed */
- sqlite3_callback xCallback, /* Invoke this callback routine */
- void *pArg, /* First argument to xCallback() */
- char **pzErrMsg /* Write error messages here */
-){
- int rc = SQLITE_OK;
- const char *zLeftover;
- sqlite3_stmt *pStmt = 0;
- char **azCols = 0;
-
- int nRetry = 0;
- int nCallback;
-
- if( zSql==0 ) return SQLITE_OK;
-
- sqlite3_mutex_enter(db->mutex);
- while( (rc==SQLITE_OK || (rc==SQLITE_SCHEMA && (++nRetry)<2)) && zSql[0] ){
- int nCol;
- char **azVals = 0;
-
- pStmt = 0;
- rc = sqlite3_prepare(db, zSql, -1, &pStmt, &zLeftover);
- assert( rc==SQLITE_OK || pStmt==0 );
- if( rc!=SQLITE_OK ){
- continue;
- }
- if( !pStmt ){
- /* this happens for a comment or white-space */
- zSql = zLeftover;
- continue;
- }
-
- nCallback = 0;
-
- nCol = sqlite3_column_count(pStmt);
- azCols = (char**)sqlite3DbMallocZero(db, 2*nCol*sizeof(const char *) + 1);
- if( azCols==0 ){
- goto exec_out;
- }
-
- while( 1 ){
- int i;
- rc = sqlite3_step(pStmt);
-
- /* Invoke the callback function if required */
- if( xCallback && (SQLITE_ROW==rc ||
- (SQLITE_DONE==rc && !nCallback && db->flags&SQLITE_NullCallback)) ){
- if( 0==nCallback ){
- for(i=0; i<nCol; i++){
- azCols[i] = (char *)sqlite3_column_name(pStmt, i);
- }
- nCallback++;
- }
- if( rc==SQLITE_ROW ){
- azVals = &azCols[nCol];
- for(i=0; i<nCol; i++){
- azVals[i] = (char *)sqlite3_column_text(pStmt, i);
- }
- }
- if( xCallback(pArg, nCol, azVals, azCols) ){
- rc = SQLITE_ABORT;
- goto exec_out;
- }
- }
-
- if( rc!=SQLITE_ROW ){
- rc = sqlite3_finalize(pStmt);
- pStmt = 0;
- if( rc!=SQLITE_SCHEMA ){
- nRetry = 0;
- zSql = zLeftover;
- while( isspace((unsigned char)zSql[0]) ) zSql++;
- }
- break;
- }
- }
-
- sqlite3_free(azCols);
- azCols = 0;
- }
-
-exec_out:
- if( pStmt ) sqlite3_finalize(pStmt);
- if( azCols ) sqlite3_free(azCols);
-
- rc = sqlite3ApiExit(db, rc);
- if( rc!=SQLITE_OK && rc==sqlite3_errcode(db) && pzErrMsg ){
- int nErrMsg = 1 + strlen(sqlite3_errmsg(db));
- *pzErrMsg = (char*)sqlite3_malloc(nErrMsg);
- if( *pzErrMsg ){
- memcpy(*pzErrMsg, sqlite3_errmsg(db), nErrMsg);
- }
- }else if( pzErrMsg ){
- *pzErrMsg = 0;
- }
-
- assert( (rc&db->errMask)==rc );
- sqlite3_mutex_leave(db->mutex);
- return rc;
-}