juniskane commented on pull request #425:
URL:
https://github.com/apache/incubator-nuttx-apps/pull/425#issuecomment-708432008
This fixes the USB console for me, but note that this is still a workaround.
The following strictly conforming C program causes a crash on NuttX (tested in
Flat mode build):
```
#include <stdio.h>
int main(void)
{
/* Note: order significant if want to see a crash on NuttX. */
fclose(stdin);
fclose(stdout);
fclose(stderr);
/* ... open some file here, read/write to it, close it. ... just don't
call printf() */
return 0;
}
```
This kind of usage of fclose() is unlikely to appear in real programs,
though.
Also note that fflush(stdin) is undefined behavior in C, but we can allow it
since we are the implementor.
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