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(parent: fa19f24) | patch
Fix techo handling of control and multibyte characters.
authornoname <noname@inventati.org>
Tue, 22 Apr 2014 20:26:07 +0000 (00:26 +0400)
committerRoberto E. Vargas Caballero <k0ga@shike2.com>
Wed, 23 Apr 2014 18:31:45 +0000 (20:31 +0200)
commitf9dc374ea01c2921ec3bd1214f292a7036d069ae
tree55e08f8425b5b1108d9454b845182e3207383f98tree | snapshot
parentfa19f241a34deddf6e089ab462cbd9cb02f61b3dcommit | diff
Fix techo handling of control and multibyte characters.

techo compares signed char to '\x20'. Any character with code less then
'\x20' is treated as control character.  This way characters with MSB
set to 1 are considered control characters too.

Also this patch makes techo display DEL character as ^?.

To reprocuce the bug, enable echo mode using printf '\e[12l',
then type DEL character or any non-ASCII character.
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