> Is wcwidth() actually owned by some standard organization?
I am not sure, what you mean by "owned".
wcwidth() is defined at various places, for example by the X/Open SUS in
http://www.opengroup.org/onlinepubs/007908799/xsh/wcwidth.html
It seems to be commonly considered to be a locale dependent function.
That makes sense, because EUC, etc. have a width associated with every
coding position (namely: wcswidth(s) == strlen(s)).
This is incorrect. In some EUC implementations, wcswidth(s) == strlen(s),
but not in others. For example, eucJP when it includes the JIS X0212
characters is defined this way:
Code Set Number of Display Contains
Number Bytes Width
-------- --------- ------- ---------
0 1 1 ASCII
1 2 2 JIS X0208; Kanji ideographs
2 2 1 JIS X0201; katakana
3 3 2 JIS X0212; supplemental Kanji
Some people might claim that the first bytes for JIS X0201 and
JIS X0212 are single-shift control characters, and so should not be
counted. But strlen() definitely would count them, so there are cases
when wcswidth(s) != strlen(s).
-- Sandra
-----------------------
Sandra Martin O'Donnell
Compaq Computer Corporation
[EMAIL PROTECTED]
[EMAIL PROTECTED]
-
Linux-UTF8: i18n of Linux on all levels
Archive: http://mail.nl.linux.org/lists/
