cfd49dc149
Change-Id: Ie5df0153446e6af1c717c74dba722ac2aea2b738 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/142379 Tested-by: Julien Nabet <serval2412@yahoo.fr> Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <sal/config.h>
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#include <cassert>
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#include <cstddef>
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#include <cstdio>
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#include <utility>
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#include <o3tl/safeint.hxx>
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namespace o3tl
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{
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// A drop-in replacement for safe uses of std::sprintf where it is statically known that the
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// provided buffer is large enough. Compared to a plain use of std::sprintf, using o3tl::sprintf
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// for one makes it explicit that the call is considered safe and for another avoids deprecation
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// warnings on platforms like the macOS 13 SDK that mark std::sprintf as deprecated. Many simple
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// uses of std::sprintf across the code base can be replaced with alternative code using e.g.
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// OString::number. This is for the remaining formatting-rich cases for which there is no easy
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// replacement yet in our C++17 baseline. Ultimately, it should be removed again once alternatives
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// for those remaining cases, like C++20 std::format, are available.
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template <std::size_t N, typename... T>
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int sprintf(char (&s)[N], char const* format, T&&... arguments)
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{
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auto const n = std::snprintf(s, N, format, std::forward<T>(arguments)...);
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assert(n < 0 || o3tl::make_unsigned(n) < N);
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(void)n;
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return n;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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