weepingfish
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String Format for C++

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/**
 * Example Usage:
 * fmt("%s: %d", str.c_str(), integer);
 */

template <class ...Args>
const std::string fmt(const std::string &format, Args... args) {
  size_t BUFSIZE = std::snprintf(NULL, 0, format.c_str(), args...) + 1;
  char *buf = new char[BUFSIZE];
  memset(buf, 0, BUFSIZE * sizeof(char));
  std::snprintf(buf, BUFSIZE, format.c_str(), args...);
  std::string str(buf);
  delete[] buf;
  return str;
}