To fix MinGW compiler warning about missing strlen() prototype.
Not sure how I missed this when fixing the malloc() / stdlib.h issue.
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
We don't have vasprintf() on Windows so we need to implement it ourselves.
v2: compute actual length of output string, per Nicolai Hähnle.
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This will help us move u_queue.c here eventually and also provide
string function wrappers for anyone wishing to port disk_cache.c
to windows.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
