cat: echo 1 | cat /dev/stdin > /dev/full shows the word ENOSPC

[oech3]

$ mkfifo f
terminal1 $ echo 1 > f
terminal2 $ cat f > /dev/full
cat: f: ENOSPC: No space left on device

GNU does not directly report the string ENOSPC.

[Edit] one liner: echo 1 | cat /dev/stdin > /dev/full