Move bundled copy of sqlite one level deeper to better separate it...

third_party/sqlite/src/legacy.c

Index: third_party/sqlite/src/legacy.c
===================================================================
--- third_party/sqlite/src/legacy.c	(revision 56608)
+++ third_party/sqlite/src/legacy.c	(working copy)
@@ -1,146 +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.c,v 1.35 2009/08/07 16:56:00 danielk1977 Exp $
-*/
-
-#include "sqliteInt.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.
-*/
-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;         /* Return code */
-  const char *zLeftover;      /* Tail of unprocessed SQL */
-  sqlite3_stmt *pStmt = 0;    /* The current SQL statement */
-  char **azCols = 0;          /* Names of result columns */
-  int nRetry = 0;             /* Number of retry attempts */
-  int callbackIsInit;         /* True if callback data is initialized */
-
-  if( zSql==0 ) zSql = "";
-
-  sqlite3_mutex_enter(db->mutex);
-  sqlite3Error(db, SQLITE_OK, 0);
-  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;
-    }
-
-    callbackIsInit = 0;
-    nCol = sqlite3_column_count(pStmt);
-
-    while( 1 ){
-      int i;
-      rc = sqlite3_step(pStmt);
-
-      /* Invoke the callback function if required */
-      if( xCallback && (SQLITE_ROW==rc || 
-          (SQLITE_DONE==rc && !callbackIsInit
-                           && db->flags&SQLITE_NullCallback)) ){
-        if( !callbackIsInit ){
-          azCols = sqlite3DbMallocZero(db, 2*nCol*sizeof(const char*) + 1);
-          if( azCols==0 ){
-            goto exec_out;
-          }
-          for(i=0; i<nCol; i++){
-            azCols[i] = (char *)sqlite3_column_name(pStmt, i);
-            /* sqlite3VdbeSetColName() installs column names as UTF8
-            ** strings so there is no way for sqlite3_column_name() to fail. */
-            assert( azCols[i]!=0 );
-          }
-          callbackIsInit = 1;
-        }
-        if( rc==SQLITE_ROW ){
-          azVals = &azCols[nCol];
-          for(i=0; i<nCol; i++){
-            azVals[i] = (char *)sqlite3_column_text(pStmt, i);
-            if( !azVals[i] && sqlite3_column_type(pStmt, i)!=SQLITE_NULL ){
-              db->mallocFailed = 1;
-              goto exec_out;
-            }
-          }
-        }
-        if( xCallback(pArg, nCol, azVals, azCols) ){
-          rc = SQLITE_ABORT;
-          sqlite3VdbeFinalize((Vdbe *)pStmt);
-          pStmt = 0;
-          sqlite3Error(db, SQLITE_ABORT, 0);
-          goto exec_out;
-        }
-      }
-
-      if( rc!=SQLITE_ROW ){
-        rc = sqlite3VdbeFinalize((Vdbe *)pStmt);
-        pStmt = 0;
-        if( rc!=SQLITE_SCHEMA ){
-          nRetry = 0;
-          zSql = zLeftover;
-          while( sqlite3Isspace(zSql[0]) ) zSql++;
-        }
-        break;
-      }
-    }
-
-    sqlite3DbFree(db, azCols);
-    azCols = 0;
-  }
-
-exec_out:
-  if( pStmt ) sqlite3VdbeFinalize((Vdbe *)pStmt);
-  sqlite3DbFree(db, azCols);
-
-  rc = sqlite3ApiExit(db, rc);
-  if( rc!=SQLITE_OK && ALWAYS(rc==sqlite3_errcode(db)) && pzErrMsg ){
-    int nErrMsg = 1 + sqlite3Strlen30(sqlite3_errmsg(db));
-    *pzErrMsg = sqlite3Malloc(nErrMsg);
-    if( *pzErrMsg ){
-      memcpy(*pzErrMsg, sqlite3_errmsg(db), nErrMsg);
-    }else{
-      rc = SQLITE_NOMEM;
-      sqlite3Error(db, SQLITE_NOMEM, 0);
-    }
-  }else if( pzErrMsg ){
-    *pzErrMsg = 0;
-  }
-
-  assert( (rc&db->errMask)==rc );
-  sqlite3_mutex_leave(db->mutex);
-  return rc;
-}