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https://github.com/DarkStore-3DS/Project_CTR.git
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jakcron
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#include <tc/os/Environment.h>
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#include <tc/string.h>
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bool tc::os::getEnvVar(const std::string& name, std::string& value)
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{
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bool did_find_variable = false;
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#ifdef _WIN32
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// convert utf-8 to utf-16 for wide char functions
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std::u16string utf16_name;
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tc::string::TranscodeUtil::UTF8ToUTF16(name, utf16_name);
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// get size of environment variable
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size_t required_size = 0;
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_wgetenv_s(&required_size, nullptr, 0, (wchar_t*)utf16_name.c_str());
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// set output if variable was found
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if (required_size != 0)
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{
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// get environment variable
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std::shared_ptr<wchar_t> utf16_value(new wchar_t[required_size]);
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_wgetenv_s(&required_size, utf16_value.get(), required_size, (wchar_t*)utf16_name.c_str());
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// transcode back to utf-8
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tc::string::TranscodeUtil::UTF16ToUTF8((char16_t*)utf16_value.get(), value);
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did_find_variable = true;
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}
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#else
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// get ptr to env variable
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char* env_ptr = getenv(name.c_str());
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// set output if variable was found
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if (env_ptr != nullptr)
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{
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value = std::string(env_ptr);
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did_find_variable = true;
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}
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#endif
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return did_find_variable;
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} |