Rcpp/inst/include/Rcpp/sprintf.h at master · RcppCore/Rcpp

38 lines (33 loc) · 1.14 KB

// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-

// sprintf.h: Rcpp R/C++ interface class library -- string formatting

// This file is part of Rcpp.

// Rcpp is free software: you can redistribute it and/or modify it

// under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 2 of the License, or

// (at your option) any later version.

// Rcpp is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License

// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.

#include <cstdio>

#include <cstdarg>

namespace Rcpp {

template <int MAX_SIZE>

std::string sprintf( const char *format, ...) {

static char buffer[MAX_SIZE];

va_list ap;

va_start(ap, format);

vsnprintf(buffer, MAX_SIZE, format, ap);

va_end(ap);

return buffer ;

}

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