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/* nbd client library in userspace
* Copyright Red Hat
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libnbd.h"
#include "version.h"
void
display_version (const char *program_name)
{
struct nbd_handle *nbd;
const char *package_name = NULL;
const char *version = NULL;
const char *version_extra = NULL;
/* The program name and the version of the binary. */
printf ("%s %s", program_name, PACKAGE_VERSION);
if (strcmp (LIBNBD_VERSION_EXTRA, "") != 0)
printf (" (%s)", LIBNBD_VERSION_EXTRA);
printf ("\n");
/* Flush to make sure it is printed, even if the code below crashes
* for any reason.
*/
fflush (stdout);
/* Now try to get the name and version of libnbd from the shared
* library, but try not to fail.
*/
nbd = nbd_create ();
if (nbd) {
package_name = nbd_get_package_name (nbd);
version = nbd_get_version (nbd);
version_extra = nbd_get_version_extra (nbd);
}
if (version) {
printf ("%s %s", package_name ? package_name : PACKAGE_NAME, version);
if (strcmp (version_extra, "") != 0)
printf (" (%s)", version_extra);
printf ("\n");
fflush (stdout);
}
nbd_close (nbd);
}
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