mirror of
https://github.com/Xaymar/obs-StreamFX
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3eacc47085
As vargs may be modified by some functions, we should not reuse it and instead create a copy of it. This fixes a segfault on logging calls happening with GCC, and potentially may fix other compilers and platforms as well.
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2020 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "util-logging.hpp"
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#include "common.hpp"
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#include <stdarg.h>
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void streamfx::util::logging::log(level lvl, const char* format, ...)
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{
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const static std::map<level, int32_t> level_map = {
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{level::LEVEL_DEBUG, LOG_DEBUG},
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{level::LEVEL_INFO, LOG_INFO},
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{level::LEVEL_WARN, LOG_WARNING},
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{level::LEVEL_ERROR, LOG_ERROR},
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};
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thread_local static std::vector<char> buffer;
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va_list vargs;
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va_start(vargs, format);
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va_list vargs_copy;
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va_copy(vargs_copy, vargs);
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int32_t ret = vsnprintf(buffer.data(), buffer.size(), format, vargs);
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buffer.resize(ret + 1);
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ret = vsnprintf(buffer.data(), buffer.size(), format, vargs_copy);
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va_end(vargs);
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va_end(vargs_copy);
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blog(level_map.at(lvl), "[StreamFX] %s", buffer.data());
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}
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