On Mon, Apr 8, 2019 at 12:02 PM Kees Cook keescook@chromium.org wrote:
Also, while "sed -u" is used to add the "# " line prefixes, this still doesn't work for all output. For example, the "timer" lists print out text, then do the work, then print a result and a newline. This isn't visible any more. And some tests still show nothing until they finish. I haven't found a way to force the prefixing while keeping the output entirely unbuffered. :(
Oh, I think I've solved this. :)
$ cat prefix.pl #!/usr/bin/perl use strict;
binmode STDIN; binmode STDOUT;
STDOUT->autoflush(1);
my $needed = 1; while (1) { my $char; my $bytes = sysread(STDIN, $char, 1); exit 0 if ($bytes == 0); if ($needed) { print "# "; $needed = 0; } print $char; $needed = 1 if ($char eq "\n"); }
(./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 &&\echo "ok $$test_num $$TEST_HDR_MSG") || \
- (((((./$$BASENAME_TEST 2>&1; echo $$? >&3) | \ - sed -ue 's/^/# /' >&4) 3>&1) | \ + (((((stdbuf -i0 -o0 -e0 ./$$BASENAME_TEST 2>&1; echo $$? >&3) | \ + ../prefix.pl >&4) 3>&1) | \
This also, I think, solve the "recursive TAP output" issue too, since sub-tests will be entirely contained in the #-indented output and could be parsed out of the diagnostics by just doing a 2-character left-strip.
Thoughts?