Function string_printf

intern/cycles/util/string.cpp:21–53

#endif /* _WIN32 */

CCL_NAMESPACE_BEGIN

string string_printf(const char *format, ...)
{
  vector<char> str(128, 0);

  while (true) {
    va_list args;
    int result;

    va_start(args, format);
    result = vsnprintf(str.data(), str.size(), format, args);
    va_end(args);

    if (result == -1) {
      /* not enough space or formatting error */
      if (str.size() > 65536) {
        assert(0);
        return string("");
      }

      str.resize(str.size() * 2, 0);
      continue;
    }
    if (result >= (int)str.size()) {
      /* not enough space */
      str.resize(result + 1, 0);
      continue;
    }

    return string(str.data());
  }
}

bool string_iequals(const string &a, const string &b)
{