58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/* Copyright 2015-2017 Philippe Tillet
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* 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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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef ISAAC_TOOLS_GETENV
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#define ISAAC_TOOLS_GETENV
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#include <string>
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#include <cstdlib>
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namespace isaac
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{
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namespace tools
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{
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inline std::string getenv(const char * name)
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{
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#ifdef _MSC_VER
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char* cache_path = 0;
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std::size_t sz = 0;
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_dupenv_s(&cache_path, &sz, name);
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#else
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const char * cache_path = std::getenv(name);
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#endif
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if(!cache_path)
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return "";
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std::string result(cache_path);
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#ifdef _MSC_VER
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free(cache_path);
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#endif
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return result;
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}
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}
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}
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#endif
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