45 lines
1.2 KiB
Plaintext
45 lines
1.2 KiB
Plaintext
#include "./win_utils.hh"
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std::wstring utf8ToUtf16(std::string input) {
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unsigned int len = MultiByteToWideChar(CP_UTF8, 0, input.c_str(), -1, NULL, 0);
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WCHAR *output = new WCHAR[len];
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MultiByteToWideChar(CP_UTF8, 0, input.c_str(), -1, output, len);
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std::wstring res(output);
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delete[] output;
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return res;
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}
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std::string utf16ToUtf8(const WCHAR *input, DWORD length) {
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unsigned int len = WideCharToMultiByte(CP_UTF8, 0, input, length, NULL, 0, NULL, NULL);
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char *output = new char[len + 1];
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WideCharToMultiByte(CP_UTF8, 0, input, length, output, len, NULL, NULL);
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output[len] = '\0';
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std::string res(output);
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delete[] output;
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return res;
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}
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std::string normalizePath(std::string path) {
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// Prevent truncation to MAX_PATH characters by adding the \\?\ prefix
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std::wstring p = utf8ToUtf16("\\\\?\\" + path);
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// Get the required length for the output
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DWORD len = GetLongPathNameW(p.data(), NULL, 0);
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if (!len) {
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return path;
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}
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// Allocate output array and get long path
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WCHAR *output = new WCHAR[len];
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len = GetLongPathNameW(p.data(), output, len);
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if (!len) {
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delete[] output;
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return path;
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}
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// Convert back to utf8
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std::string res = utf16ToUtf8(output + 4, len - 4);
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delete[] output;
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return res;
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}
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