// Copyright 2020 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef THIRD_PARTY_SQLITE_SQLITE3_SHIM_FIXUPS_H_ #define THIRD_PARTY_SQLITE_SQLITE3_SHIM_FIXUPS_H_ // This file contains various fixups for the amalgamated SQLite code. // It is intended to be included in sqlite3_shim.c only. #if defined(SQLITE_OMIT_COMPILEOPTION_DIAGS) // When SQLITE_OMIT_COMPILEOPTION_DIAGS is defined, sqlite3.h emits macros // instead of declarations for sqlite3_compileoption_{get,used}(). // // In order to avoid a macro redefinition warning, we must undo the #define in // rename_exports.h. #if defined(sqlite3_compileoption_get) #undef sqlite3_compileoption_get #else #error "This workaround is no longer needed." #endif // !defined(sqlite3_compileoption_get) #if defined(sqlite3_compileoption_used) #undef sqlite3_compileoption_used #else #error "This workaround is no longer needed." #endif // !defined(sqlite3_compileoption_used) #endif // defined(SQLITE_OMIT_COMPILEOPTION_DIAGS) // Linux-specific configuration fixups. #if defined(__linux__) // features.h, included below, indirectly includes sys/mman.h. The latter header // only defines mremap if _GNU_SOURCE is defined. Depending on the order of the // files in the amalgamation, removing the define below may result in a build // error on Linux. #if defined(__GNUC__) && !defined(_GNU_SOURCE) #define _GNU_SOURCE #endif #include // SQLite wants to track malloc sizes. On OSX it uses malloc_size(), on Windows // _msize(), elsewhere it handles it manually by enlarging the malloc and // injecting a field. Enable malloc_usable_size() for Linux. // // malloc_usable_size() is not exported by the Android NDK. It is not // implemented by uclibc. #if !defined(__UCLIBC__) && !defined(__ANDROID__) #define HAVE_MALLOC_H 1 #define HAVE_MALLOC_USABLE_SIZE 1 #endif #endif // defined(__linux__) // For unfortunately complex reasons, Chrome has release builds where // DCHECK_IS_ON() (so we want SQLITE_DEBUG to be on) but NDEBUG is also defined. // This causes declarations for mutex-checking functions used by SQLITE_DEBUG // code (sqlite3_mutex_held, sqlite3_mutex_notheld) to be omitted, resulting in // warnings. // // The easiest solution for now is to undefine NDEBUG when SQLITE_DEBUG is // defined. The #undef only takes effect for the SQLite implementation (included // below), and does not impact any dependency. #if defined(SQLITE_DEBUG) && defined(NDEBUG) #undef NDEBUG #endif // defined(SQLITE_DEBUG) && defined(NDEBUG) #endif // THIRD_PARTY_SQLITE_SQLITE3_SHIM_FIXUPS_H_