_msize is the Win32 version of malloc_usable_size, but SQLite doesn't use it on MinGW for some reason. This commit fixes that, as _msize is more optimized than SQLite's homegrown implementation.
_msize is the Win32 version of malloc_usable_size, but SQLite doesn't use it on MinGW for some reason. This commit fixes that, as _msize is more optimized than SQLite's homegrown implementation.