Hi Doug,
Last night I spent quite some time to diagnose a problem, the WindowsRegistry
class refused to fetch a certain key from my registry (returned null).
After some debugging I discovered that the key was a bit longer, and the
getValue() code in core/org.eclipse.cdt.core.win32/library/winreg/winreg.cpp is
statically limited to 256 chars:
wchar_t buffer[256];
DWORD len = sizeof(buffer);
rc = RegQueryValueEx(skey, (const wchar_t *)cname, NULL, &type, (BYTE
*)&buffer, &len);
According to Microsoft, the registry element size limits are:
https://msdn.microsoft.com/en-us/library/windows/desktop/ms724872(v=vs.85).aspx
It is true that the 255 limit exists, but refers to key names, not key values,
which are limited to 1 MB or even unlimited.
On the other side, it is recommended to store values longer than 2048 bytes in
a file.
Since reserving 1 MB might be a bit too much, I suggest you increase the buffer
from 256 to 2049, to be more resilient in case of longer key values.
Regards,
Liviu
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