Johannes Schindelin fce52b4ab1 t4012: Fix invalid call to dd(1) ...

t4012 assumed that it is okay to seek beyond the end of stdin. It is not,
and leads to an access violation (Windows speak for: segmentation fault)
with MinGW's dd.exe iff run in non-verbose mode.

Further, for some reason 'echo X | dd bs=1k seek=1' resulted in 2050 bytes
in this developer's setup instead of 1026.

So let's use a valid technique to generate 1024 NULs followed by X and a
line feed: a good ole' Perl script.

This patch is dedicated to Randal "Merlyn" Schwartz.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

2012-05-20 17:45:49 -06:00

3.4 KiB

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