On 14-01-21 5:41 PM, Sandip Nandi wrote:
Hi ,
I am using C interface of R . If a unicode string is read , in what format
I could pass it back to R ?
I was trying to use the following
tpStr = ( char *)val;
SET_STRING_ELT(innerList , 0, mkChar(tpStr));
It does not work .
If I pass it back from as RAW format to R , what package is there to read
it ? I mean package for interpreting RAW data .
There are a number of encodings for Unicode. Most Unix systems use
UTF-8, Windows uses UTF-16 for some things, etc.
If your string is known to be in UTF-8 that's easiest: just use
mkCharCE instead of mkChar, as described in Writing R Extensions. If it
is in UTF-16 you might have more trouble because of possible embedded 0
bytes. Translate to UTF-8 first using C facilities like
WideCharToMultibyte.
Duncan Murdoch
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