/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
 *
 * Copyright (C) 2014,2015 Colin Walters <walters@verbum.org>.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "config.h"

#include <glnx-backport-autocleanups.h>
#include <glnx-errors.h>

void
glnx_real_set_prefix_error_from_errno (GError     **error,
                                       gint         errsv,
                                       const char  *format,
                                       ...)
{
  if (!error)
    return;
  else
    {
      GString *buf = g_string_new ("");
      va_list args;
    
      va_start (args, format);
      g_string_append_vprintf (buf, format, args);
      va_end (args);

      g_string_append (buf, ": ");
      g_string_append (buf, g_strerror (errsv));
    
      g_set_error_literal (error,
                           G_IO_ERROR,
                           g_io_error_from_errno (errsv),
                           buf->str);
      g_string_free (buf, TRUE);
      errno = errsv;
    }
}