Commit 8a3a974e authored by Bastien Nocera's avatar Bastien Nocera

lib: Add helper for NBIS copy-paste library

This will allow us to segragate helper functions that we want to use
within NBIS. The first helper will be a macro checking for overflow in
multiplications.
parent db607c4a
......@@ -6,6 +6,7 @@ private_headers = [
'aeslib.h',
'assembling.h',
'fp_internal.h',
'nbis-helpers.h',
'fpi-async.h',
'fpi-data.h',
......
......@@ -27,6 +27,7 @@
#include <glib.h>
#include <libusb.h>
#include "nbis-helpers.h"
#include "fprint.h"
#include "fpi-dev.h"
#include "fpi-core.h"
......
libfprint_sources = [
'fp_internal.h',
'nbis-helpers.h',
'drivers_api.h',
'fpi-async.c',
'fpi-async.h',
......
/*
* Helpers to use within the NBIS copy/paste library
* Copyright (C) 2018 Bastien Nocera <hadess@hadess.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <glib.h>
#define ASSERT_SIZE_MUL(a,b) \
{ \
gsize dest; \
g_assert(g_size_checked_mul(&dest, a, b)); \
}
#define ASSERT_INT_MUL(a, b) \
{ \
gsize dest; \
g_assert(g_size_checked_mul(&dest, a, b)); \
g_assert(dest < G_MAXINT); \
}
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