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https://gitlab.com/square-game-liberation-front/F.E.I.S.git
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85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
// The MIT License (MIT)
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// Copyright (c) 2016 nabijaczleweli
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "whereami++.hpp"
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#include "whereami.h"
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#include <utility>
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// wai_get*Path returns an incorrect length on Windows (1 more than required)
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#ifdef _WIN32
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#define WHEREAMI_CPP_MISPADDING 1
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#else
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#define WHEREAMI_CPP_MISPADDING 0
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#endif
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using whereami_func_t = int (*)(char * out, int capacity, int * dirname_length);
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static std::string whereami_path(whereami_func_t whereami_func) {
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const auto length = whereami_func(nullptr, 0, nullptr);
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if(length == -1)
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return "";
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std::string ret(length - WHEREAMI_CPP_MISPADDING, '\0');
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whereami_func(&ret[0], length - WHEREAMI_CPP_MISPADDING, nullptr);
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return ret;
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}
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static std::pair<std::string, std::string> whereami_segmented(whereami_func_t whereami_func) {
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const auto length = whereami_func(nullptr, 0, nullptr);
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if(length == -1)
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return {"", ""};
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// Mispadding correction breaks libcode here and is unnecessary because we're constructing via C-string anyway
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int path_length;
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std::string buf(length, '\0');
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whereami_func(&buf[0], length, &path_length);
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return {{buf.c_str(), static_cast<std::size_t>(path_length)}, &buf[path_length + 1]};
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}
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std::string whereami::executable_path() {
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return whereami_path(wai_getExecutablePath);
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}
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std::string whereami::module_path() {
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return whereami_path(wai_getModulePath);
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}
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std::string whereami::executable_name() {
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return whereami_segmented(wai_getExecutablePath).second;
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}
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std::string whereami::module_name() {
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return whereami_segmented(wai_getModulePath).second;
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}
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std::string whereami::executable_dir() {
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return whereami_segmented(wai_getExecutablePath).first;
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}
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std::string whereami::module_dir() {
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return whereami_segmented(wai_getModulePath).first;
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}
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