On 13. 1. 2016 12:47, Andrew Lowe wrote: > On 13/01/2016 7:08 PM, Paul Moore wrote: >> On 13 January 2016 at 10:57, Andrew Lowe <[email protected]> wrote: >>> /* * Activity Name: > [snip] > >>> ----------------------------- >>> >>> I've compiled this using the latest, as of a week ago, versions of >>> both clang and gcc and the behaviour is the same. >> >> This appears to be a buffering issue. When you write to stdout, the >> data is buffered. You could try adding a fflush(stdout) just before >> your scanf call. See >> http://stackoverflow.com/questions/3723795/is-stdout-line-buffered-unbuffered-or-indeterminate-by-default >> >> > for a discussion. >> >> Paul >> > Thanks for the thought but that's not going to work. I can't go placing > more road blocks in front of the students. It's hard enough as it is to > get them to do/understand what's going on without adding fflush() to the > mix. > > I just need the same behaviour as cmd.exe and bash under Linux. Is > there something in Mintty/bash that I can "turn on/off"?
See either <https://code.google.com/p/mintty/issues/detail?id=218> or <https://github.com/mintty/mintty/issues/218>. The proposed `winpty ./a.exe` works. I googled for a way to disable output buffering without changing the program code and only idea that showed some promise was a DLL injector that would automatically hook all child processes of mintty and call `fflush` (periodically) or `setvbuf` (at the right moment after stream set-up) on their behalf. -- David Macek
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