diff options
| author | Bastien Nocera <hadess@hadess.net> | 2018-12-13 15:13:06 +0100 |
|---|---|---|
| committer | Bastien Nocera <hadess@hadess.net> | 2018-12-13 15:48:25 +0100 |
| commit | 8a3a974ea3d21543173b33f25d8a12040482efec (patch) | |
| tree | 825428cb6c5e85793824cd54bd8061f49ab3c27e | |
| parent | db607c4a6f510d6984daac2cb71fb0f248ea60f2 (diff) | |
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.
| -rw-r--r-- | doc/meson.build | 1 | ||||
| -rw-r--r-- | libfprint/fp_internal.h | 1 | ||||
| -rw-r--r-- | libfprint/meson.build | 1 | ||||
| -rw-r--r-- | libfprint/nbis-helpers.h | 33 |
4 files changed, 36 insertions, 0 deletions
diff --git a/doc/meson.build b/doc/meson.build index 8324708..37d515d 100644 --- a/doc/meson.build +++ b/doc/meson.build @@ -6,6 +6,7 @@ private_headers = [ 'aeslib.h', 'assembling.h', 'fp_internal.h', + 'nbis-helpers.h', 'fpi-async.h', 'fpi-data.h', diff --git a/libfprint/fp_internal.h b/libfprint/fp_internal.h index d985738..5c89e18 100644 --- a/libfprint/fp_internal.h +++ b/libfprint/fp_internal.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" diff --git a/libfprint/meson.build b/libfprint/meson.build index ce761ba..abd0005 100644 --- a/libfprint/meson.build +++ b/libfprint/meson.build @@ -1,5 +1,6 @@ libfprint_sources = [ 'fp_internal.h', + 'nbis-helpers.h', 'drivers_api.h', 'fpi-async.c', 'fpi-async.h', diff --git a/libfprint/nbis-helpers.h b/libfprint/nbis-helpers.h new file mode 100644 index 0000000..eab861e --- /dev/null +++ b/libfprint/nbis-helpers.h @@ -0,0 +1,33 @@ +/* + * 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); \ + } |