Enclosed is a patch (diff to 2001.12.26 snapshot) which impements stdio buffering in msvcrt. Since I cannot make Visual C binaries could anybady with Visual C++ test it? I have testet it with mingw32 and I incude my test program (iotst.c). The program prints a line indicating which test it is making and then complains about failures.
Comment 1: current builtin msvcrt fails test1 (and few other as a consequence). Some native versions of msvcrt fail test 8.
Comment 2: I wrote the test the way naive programmer would wrote it (IMHO). Now I think that for a testing framework we need an assert-like macro to make checking and printing code shorter and to have uniform printouts. I ommited some tests that require multiple processes (expandig file while it is read, checking that stdio buffers got flushed at exit) - I guess that doing such test in portable way is quite tricky.
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Waldek Hebisch