I know wchar_t on Mac is 1 byte.
Hemant Ramnani wrote:
> Can you please tell me on which platforms is wchar_t 1 byte..
> Let me know this as soon as possible, as I might go on the wrong track then.
> Thank you.
> Hemant. Ramnani
> Member of Techincal Staff,
> Persistent Systems Private Limited.
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> -----Original Message-----
> From: Valeriy E. Ushakov [mailto:email@example.com]
> Sent: Wednesday, November 03, 1999 12:36 AM
> To: Unicode List
> Subject: Re: FW: unicode character on Different Unix platforms ....
> On Tue, Nov 02, 1999 at 10:10:34AM -0800, firstname.lastname@example.org wrote:
> > ANSI C defines wchar_t as an abstract type for "wide" characters but does
> > not specify a concrete type nor a character set for it. On some platforms,
> > it is Unicode, on others, it is a scalar form of the platform default
> > Relying on wchar_t to be anything fixed across platforms will not work.
It could even be 4 bytes. I work with SVR 4.0 curses on MNLS 1991. It is
possible it is 4 byte for wchar_t. In particular, for Trad Chinese.
> Moreover, implementations with 1 byte wchar_t are perfectly conformant,
> so using wchar_t for Unicode is *definitely* a bad idea.
> >From ISO C9X draft:
> 18.104.22.168.1 Sizes of integer types <limits.h>
> [#1] The values given below shall be replaced by constant
> expressions suitable for use in #if preprocessing
> directives. ................................................
> ........... Their implementation-defined values shall be
> equal or greater in magnitude (absolute value) to those
> shown, with the same sign.
> - maximum number of bytes in a multibyte character, for
> any supported locale
> MB_LEN_MAX 1
> SY, Uwe
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