https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203040
Bug ID: 203040
Summary: Nvi truncates files with non-ASCII characters
Product: Base System
Version: 10.2-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
Created attachment 160929
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=160929&action=edit
ISO-8859 file containing ;ð;; string, which Nvi will not load
Nvi 2.1.2 (from FreeBSD 10.0 to FreeBSD 10.2) displays this behaviour in our
system, when a certain character composition appears in a file - the file will
be truncated from that line, with a false EOF placed in the line, making the
file unusable.
A file with non-ASCII characters (like eth) can be created to verify the
problem:
;ð;;
(the file should be ISO8859, the login.conf has lang, charset and lc_all set to
iso-8859-1, added to default:
:charset=ISO8859-1:\
:lang=is_IS.ISO8859-1:\
:lc_all=is_IS.ISO8859-1: \
The client terminal is set to ISO or Western-1252).
A file, which contains only
;ð;
will not be truncated.
After saving and re-opening the file, the fileencoding will be set to utf-8, by
Nvi.
vi will display file with multiple lines like after re-opening:
line 1
line 2
line 3
~
line 5
line 4 was ;ð;; when the file was created, and after re-opening the file
content after ~ is unusable. Other strings like ð ; will also break. Not all
non-ASCII characters will do this, ý will be ok, but á will not... (y acute, a
acute)
Replacing vi with Nvi 1.79 from FreeBSD 9 does alleviate the problem.
By unsetting login.conf to defaults, a file can be created, saved and
re-opened, but it will not display the characters correctly, it will look like:
;\xf0;;
instead of
;ð;;
Setting LANG will again break Nvi with the message:
Conversion error on line 1; FILE: unmodified: line 1
I've described the problem to Sven Verdoolaege also.
Currently being very careful, or installing Nvi 1.79 from FreeBSD 9.3 source
tree.
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