From 8d636ab46ccfc3ab37083f947a7c184df47ddcb9 Mon Sep 17 00:00:00 2001
From: Bill King <bill.king@nokia.com>
Date: Mon, 31 Aug 2009 15:07:12 +1000
Subject: Adds ability to open sqlite databases readonly.

Changes opening of sqlite to open_v2, and adds a new connection option.

Reviewed-by: Justin McPherson
---
 src/sql/drivers/sqlite/qsql_sqlite.cpp | 24 ++++++++++++++++++------
 src/sql/kernel/qsqldatabase.cpp        |  1 +
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/sql/drivers/sqlite/qsql_sqlite.cpp b/src/sql/drivers/sqlite/qsql_sqlite.cpp
index 81afbf9..1b5c9c5 100644
--- a/src/sql/drivers/sqlite/qsql_sqlite.cpp
+++ b/src/sql/drivers/sqlite/qsql_sqlite.cpp
@@ -502,15 +502,27 @@ static int qGetSqliteTimeout(QString opts)
     enum { DefaultTimeout = 5000 };
 
     opts.remove(QLatin1Char(' '));
-    if (opts.startsWith(QLatin1String("QSQLITE_BUSY_TIMEOUT="))) {
-        bool ok;
-        int nt = opts.mid(21).toInt(&ok);
-        if (ok)
-            return nt;
+    foreach(QString option, opts.split(QLatin1Char(';'))) {
+        if (option.startsWith(QLatin1String("QSQLITE_BUSY_TIMEOUT="))) {
+            bool ok;
+            int nt = option.mid(21).toInt(&ok);
+            if (ok)
+                return nt;
+        }
     }
     return DefaultTimeout;
 }
 
+static int qGetSqliteOpenMode(QString opts)
+{
+    opts.remove(QLatin1Char(' '));
+    foreach(QString option, opts.split(QLatin1Char(';'))) {
+        if (option == QLatin1String("QSQLITE_OPEN_READONLY")))
+                return SQLITE_OPEN_READONLY;
+    }
+    return SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
+}
+
 /*
    SQLite dbs have no user name, passwords, hosts or ports.
    just file names.
@@ -523,7 +535,7 @@ bool QSQLiteDriver::open(const QString & db, const QString &, const QString &, c
     if (db.isEmpty())
         return false;
 
-    if (sqlite3_open16(db.constData(), &d->access) == SQLITE_OK) {
+    if (sqlite3_open_v2(db.toUtf8().constData(), &d->access, qGetSqliteOpenMode(conOpts), NULL) == SQLITE_OK) {
         sqlite3_busy_timeout(d->access, qGetSqliteTimeout(conOpts));
         setOpen(true);
         setOpenError(false);
diff --git a/src/sql/kernel/qsqldatabase.cpp b/src/sql/kernel/qsqldatabase.cpp
index d155c03..16bd05b 100644
--- a/src/sql/kernel/qsqldatabase.cpp
+++ b/src/sql/kernel/qsqldatabase.cpp
@@ -1263,6 +1263,7 @@ QSqlRecord QSqlDatabase::record(const QString& tablename) const
     \i
     \list
     \i QSQLITE_BUSY_TIMEOUT
+    \i QSQLITE_OPEN_READONLY
     \endlist
 
     \i
-- 
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