Security-55163.44.tar.gz

[apple/security.git] / security_utilities / sqlutils.h

diff --git a/security_utilities/sqlutils.h b/security_utilities/sqlutils.h
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+//
+//  sqlutils.h
+//  Security
+//
+//  Created by Fabrice Gautier on 8/26/11.
+//  Copyright (c) 2011 Apple, Inc. All rights reserved.
+//
+
+/*
+ * 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