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extracttext
2007 Dec 03
2
interaction with C++ code (PR#10487)
...problem with two different operating systems - an older redhat and new ubuntu
and with both g++4.1 and g++3.4.
I have a problem with character data that is passed back from C++ code. A small
example is the following C++ code and R functions.
#include <sstream>
extern "C" {
void extracttxt( char **txt, int *nchars) {
std::ostringstream oss;
oss << "abcdefghij";
const char *ltxt=oss.str().c_str();
for (int j=0;j<*nchars;j++) *txt[j]=static_cast<char>(ltxt[j]);
}
}
# begin R code
dyn.load("test.so")
"testtxt&qu...