I again write mail to you because I found two bugs in tail toy and wrote
about these bugs to you and you didn't reply me.
These bugs:
First bug is that tail added random character to stdout end when it read
from stdin.
Second bug is segmentation fault for 'tail -c 10' for big data from stdin.
Patch that fixes these bugs:
https://github.com/luckboy/toyroot/blob/master/patch/toybox-0.5.0-tail-n-c.patch
You can check occurrence of first bug by invoke command in the toybox
directory (toybox-0.5.0):
cat toys/posix/cp.c | ./toybox tail
Exemplary output:
...
00000140 69 6e 28 29 3b 0a 7d 0a 75 |in();.}.u|
Last character is 'u'!
Also, you can occurrence of second bug by invoke commands in toybox
directory:
dd if=/dev/urandom of=test.bin bs=1024 count=8
hexdump test.bin | ./toybox tail -c 10
Segmentation fault
Łukasz Szpakowski.
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