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Refactor catv. Move visible() from stty to libbb.

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Fixes the following TODO:

  stty's visible() function and catv's guts are identical. Merge them into
  an appropriate libbb function.

Also makes catv behave exactly like coreutils' cat -v e.g. it'll print 'M-^I'
instead of 'M-   '.

function                                             old     new   delta
visible                                                -      70     +70
do_display                                           431     379     -52
catv_main                                            306     250     -56
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/2 up/down: 70/-108)           Total: -38 bytes

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Bartosz Golaszewski
2013-07-30 06:29:42 +02:00
committed by Denys Vlasenko
parent d0bc708cb5
commit 79c618c411
5 changed files with 51 additions and 58 deletions
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4
TODO
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@@ -128,10 +128,6 @@ patch
And while we're at it, a new patch filename quoting format is apparently
coming soon: http://marc.theaimsgroup.com/?l=git&m=112927316408690&w=2
---
stty / catv
stty's visible() function and catv's guts are identical. Merge them into
an appropriate libbb function.
---
tail
./busybox tail -f foo.c~ TODO
should not print fmt=header_fmt for subsequent date >> TODO; i.e. only