Security-59306.11.20.tar.gz

[apple/security.git] / OSX / utilities / sqlutils.h

diff --git a/OSX/utilities/sqlutils.h b/OSX/utilities/sqlutils.h
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+/*
+ * Copyright (c) 2011-2012,2014 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+/*
+ * sqlutils.h - some wrapper for sql3lite
+ */
+#ifndef _SECURITY_UTILITIES_SQLUTILS_H_
+#define _SECURITY_UTILITIES_SQLUTILS_H_
+
+#include <sqlite3.h>
+
+/* Those are just wrapper around the sqlite3 functions, but they have size_t for some len parameters,
+   and checks for overflow before casting to int */
+static inline int sqlite3_bind_blob_wrapper(sqlite3_stmt* pStmt, int i, const void* zData, size_t n, void(*xDel)(void*))
+{
+    if(n>INT_MAX) return SQLITE_TOOBIG;
+    return sqlite3_bind_blob(pStmt, i, zData, (int)n, xDel);
+}
+
+static inline int sqlite3_bind_text_wrapper(sqlite3_stmt* pStmt, int i, const void* zData, size_t n, void(*xDel)(void*))
+{
+    if(n>INT_MAX) return SQLITE_TOOBIG;
+    return sqlite3_bind_text(pStmt, i, zData, (int)n, xDel);
+}
+
+static inline int sqlite3_prepare_wrapper(sqlite3 *db, const char *zSql, size_t nByte, sqlite3_stmt **ppStmt, const char **pzTail)
+{
+    if(nByte>INT_MAX) return SQLITE_TOOBIG;
+    return sqlite3_prepare(db, zSql, (int)nByte, ppStmt, pzTail);
+}
+
+#endif