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Fixed readdirSync to support junctions on Windows

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This commit is contained in:
Bryan Roe
2020-03-18 12:08:13 -07:00
parent 237a73922f
commit 3d88fd7539
1 changed files with 20 additions and 0 deletions
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20
microscript/ILibDuktape_fs.c
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@@ -670,6 +670,26 @@ duk_ret_t ILibDuktape_fs_readdirSync(duk_context *ctx)
#ifdef WIN32
h = FindFirstFileW((LPCWSTR)path, &data);
if (h == INVALID_HANDLE_VALUE)
{
// Check if this was a Junction (Symbolic Link)
if (((wchar_t*)path)[pathLen - 2] == '*')
{
((wchar_t*)path)[pathLen - 2] = 0;
((wchar_t*)path)[pathLen - 3] = 0;
HANDLE tmp = CreateFileW((LPCWSTR)path, 0, 0, 0, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (tmp != INVALID_HANDLE_VALUE)
{
DWORD tmpSZlen = 3+GetFinalPathNameByHandleW(tmp, NULL, 0, 0);
wchar_t *tmpSZ = (wchar_t*)ILibMemory_AllocateTemp(Duktape_GetChain(ctx), tmpSZlen * 2);
tmpSZlen = GetFinalPathNameByHandleW(tmp, tmpSZ, tmpSZlen, 0);
wcscpy_s(tmpSZ + tmpSZlen, 3, L"\\*");
CloseHandle(tmp);
h = FindFirstFileW((LPCWSTR)tmpSZ+4, &data);
}
}
}
if (h != INVALID_HANDLE_VALUE)
{
if (wcscmp(data.cFileName, L".") != 0)