/* t-support.h - Helper routines for regression tests.

 * Copyright (C) 2000 Werner Koch (dd9jn)

 * Copyright (C) 2001, 2002, 2003, 2004 g10 Code GmbH

 *

 * This file is part of GPGME.

 *

 * GPGME 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 2.1 of

 * the License, or (at your option) any later version.

 *

 * GPGME 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 program; if not, see <https://gnu.org/licenses/>.

 * SPDX-License-Identifier: LGPL-2.1-or-later

 */

#include <unistd.h>

#include <errno.h>

#include <stdlib.h>

#include <locale.h>

#include <gpgme.h>

#define fail_if_err(err)					\

  do								\

    {								\

      if (err)							\

        {							\

          fprintf (stderr, "%s:%d: %s: %s (%d.%d)\n",        	\

                   __FILE__, __LINE__, gpgme_strsource (err),	\

		   gpgme_strerror (err),                        \

                   gpgme_err_source (err), gpgme_err_code (err)); \

          exit (1);						\

        }							\

    }								\

  while (0)

void

print_data (gpgme_data_t dh)

{

#define BUF_SIZE 512

  char buf[BUF_SIZE + 1];

  int ret;

  ret = gpgme_data_seek (dh, 0, SEEK_SET);

  if (ret)

    fail_if_err (gpgme_error_from_errno (errno));

  while ((ret = gpgme_data_read (dh, buf, BUF_SIZE)) > 0)

    fwrite (buf, ret, 1, stdout);

  if (ret < 0)

    fail_if_err (gpgme_error_from_errno (errno));

}

gpgme_error_t

passphrase_cb (void *opaque, const char *uid_hint, const char *passphrase_info,

	       int last_was_bad, int fd)

{

  int res;

  char pass[] = "abc\n";

  int passlen = strlen (pass);

  int off = 0;

  (void)opaque;

  (void)uid_hint;

  (void)passphrase_info;

  (void)last_was_bad;

  do

    {

      res = gpgme_io_write (fd, &pass[off], passlen - off);

      if (res > 0)

	off += res;

    }

  while (res > 0 && off != passlen);

  return off == passlen ? 0 : gpgme_error_from_errno (errno);

}

char *

make_filename (const char *fname)

{

  const char *srcdir = getenv ("srcdir");

  char *buf;

  if (!srcdir)

    srcdir = ".";

  buf = malloc (strlen(srcdir) + strlen(fname) + 2);

  if (!buf)

    exit (8);

  strcpy (buf, srcdir);

  strcat (buf, "/");

  strcat (buf, fname);

  return buf;

}

void

init_gpgme (gpgme_protocol_t proto)

{

  gpgme_error_t err;

  gpgme_check_version (NULL);

#ifndef HAVE_W32_SYSTEM

  setlocale (LC_ALL, "");

  gpgme_set_locale (NULL, LC_CTYPE, setlocale (LC_CTYPE, NULL));

  gpgme_set_locale (NULL, LC_MESSAGES, setlocale (LC_MESSAGES, NULL));

#endif

  err = gpgme_engine_check_version (proto);

  fail_if_err (err);

}