it under the terms of the GNU Affero General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  DistRen 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 Affero General Public License for more details.

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

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

*/

#include <stdio.h>

#include <stdlib.h>

#include <stdarg.h>

#include <string.h>

int _distren_asprintf(char **strp, const char *fmt, ...)

{

  va_list ap;

  size_t needed;

  va_start(ap, fmt);

  needed = vsnprintf(NULL, 0, fmt, ap); /*< returns the number of bytes to allocate */

  va_end(ap);

  *strp = malloc(needed);

  if(!*strp)

    return -1;

  va_start(ap, fmt);

  needed = vsnprintf(*strp, needed, fmt, ap);

  va_end(ap);

  return needed;

}