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Collin Funk
30a5cbec0e
This patch also fixes a bug where 'tac' would print a vague error on
some inputs:
$ seq 10000 | ./src/tac-prev > /dev/full
tac-prev: write error
$ seq 10000 | ./src/tac > /dev/full
tac: write error: No space left on device
In this case ferror (stdout) is true, but errno has been set back to
zero by a successful fclose (stdout) call.
* src/tac.c (output): Call write_error() if fwrite fails.
* tests/misc/io-errors.sh: Check that 'tac' prints a detailed write
error.
* NEWS: Mention the improvement.