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39b2a399ad
Building derivations is a lot harder, but the downloading goals is portable enough. The "common channel" code is due to Volth. I wonder if there is a way we can factor it out into separate functions / files to avoid some within-function CPP. Co-authored-by: volth <volth@volth.com>
52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
#include "util.hh"
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#include "users.hh"
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#include "environment-variables.hh"
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#include "file-system.hh"
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#include "windows-error.hh"
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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namespace nix {
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using namespace nix::windows;
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std::string getUserName()
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{
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// Get the required buffer size
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DWORD size = 0;
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if (!GetUserNameA(nullptr, &size)) {
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auto lastError = GetLastError();
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if (lastError != ERROR_INSUFFICIENT_BUFFER)
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throw WinError(lastError, "cannot figure out size of user name");
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}
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std::string name;
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// Allocate a buffer of sufficient size
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//
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// - 1 because no need for null byte
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name.resize(size - 1);
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// Retrieve the username
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if (!GetUserNameA(&name[0], &size))
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throw WinError("cannot figure out user name");
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return name;
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}
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Path getHome()
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{
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static Path homeDir = []()
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{
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Path homeDir = getEnv("USERPROFILE").value_or("C:\\Users\\Default");
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assert(!homeDir.empty());
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return canonPath(homeDir);
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}();
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return homeDir;
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}
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bool isRootUser() {
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return false;
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}
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}
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