Messages in this thread | | | Date | Wed, 29 Apr 2009 18:12:32 +0530 | From | Suresh Jayaraman <> | Subject | Re: String conversions |
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> Steve French <smfrench@gmail.com> wrote: > > In looking at various patches for more accurately sizing the required > buffer needed for conversions to UTF-8, the following question came up > more than once. > > Functions which do string copying often null terminate the target > string (single byte of \0), and size strings one byte larger than > their string name (for UCS-2 this does not work since the null > termination is two bytes). � Are there local nls codepages in Linux > kernel which require double null termination (e.g. DBCS asian code > pages), and if so how do you tell which ones require "double null > termination?"
A look at fs/nls and supported charsets suggests that the linux kernel does not support a pure double-byte charsets. Some of the supported east asian charsets seem to be a superset of ASCII (for e.g TIS 620, Big5) and only non-ASCII characters are expressed in 2 bytes.
Thanks,
-- Suresh Jayaraman -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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