File size: 923 Bytes
d1be154 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | #include <ot/utility/os.hpp>
namespace ot {
// Function: user_home
std::filesystem::path user_home() {
auto home = ::getenv("HOME");
if(home == nullptr) {
home = ::getpwuid(::getuid())->pw_dir;
}
return home ? home : std::filesystem::current_path();
}
// Function: c_args
std::unique_ptr<char*, std::function<void(char**)>> c_args(
const std::vector<std::string>& args
) {
std::unique_ptr<char*, std::function<void(char**)>> ptr(
new char*[args.size()+1],
[n=args.size()] (char** ptr) {
for(size_t i=0; i<=n; ++i) {
delete [] ptr[i];
}
delete [] ptr;
}
);
for(size_t i=0; i<args.size(); ++i) {
ptr.get()[i] = new char [args[i].length() + 1];
std::strcpy(ptr.get()[i], args[i].c_str());
}
ptr.get()[args.size()] = nullptr;
return ptr;
}
}; // end of namespace ot. -----------------------------------------------------------------------
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