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view liboctave/wrappers/intprops-wrappers.h @ 28849:8b0675c2cfe0
Add functions to check for integer overflow on multiplication (bug #59094).
* liboctave/wrappers/intprops-wrappers.c, intprops-wrappers.h: New files with
functions to wrap around gnulib macros.
* liboctave/wrappers/module.mk: Add new files to lists.
* bootstrap.conf: Add gnulib module "intprops".
* liboctave/util/lo-utils.cc, lo-utils.h (int_multiply_overflow): Add new
(overloaded) functions to check for integer overflow on multiplication.
* libinterp/dldfcn/__ode15__.cc (IDA::set_up): Check if multiplication would
overflow.
author | Markus Mützel <markus.muetzel@gmx.de> |
---|---|
date | Sat, 19 Sep 2020 12:09:57 +0200 |
parents | |
children | 4e196fbb28a5 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2020 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_localcharset_wrapper_h) #define octave_localcharset_wrapper_h 1 #include "octave-config.h" #if defined __cplusplus extern "C" { #endif // These functions return 1 if the operation between the input arguments would // overflow. extern int octave_i_multiply_overflow_wrapper (int a, int b); extern int octave_li_multiply_overflow_wrapper (long int a, long int b); # if defined (OCTAVE_HAVE_LONG_LONG_INT) extern int octave_lli_multiply_overflow_wrapper (long long int a, long long int b); # endif extern int octave_ui_multiply_overflow_wrapper (unsigned int a, unsigned int b); extern int octave_uli_multiply_overflow_wrapper (unsigned long int a, unsigned long int b); # if defined (OCTAVE_HAVE_UNSIGNED_LONG_LONG_INT) extern int octave_ulli_multiply_overflow_wrapper (unsigned long long int a, unsigned long long int b); # endif #if defined __cplusplus } #endif #endif