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/* nbdkit
* Copyright Red Hat
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Red Hat nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <nbdkit-plugin.h>
#include "cleanup.h"
#include "utils.h"
#include "tmpdir.h"
#ifndef HAVE_ENVIRON_DECL
extern char **environ;
#endif
char *tmpdir;
char **env;
void
tmpdir_load (void)
{
/* Create the temporary directory for the shell script to use. */
tmpdir = make_temporary_directory ();
if (!tmpdir) {
nbdkit_error ("mkdtemp: /tmp: %m");
exit (EXIT_FAILURE);
}
nbdkit_debug ("load: tmpdir: %s", tmpdir);
/* Copy the environment, and add $tmpdir. */
env = copy_environ (environ, "tmpdir", tmpdir, NULL);
if (env == NULL)
exit (EXIT_FAILURE);
}
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-result"
void
tmpdir_unload (void)
{
CLEANUP_FREE char *cmd = NULL;
size_t i;
/* Delete the temporary directory. Ignore all errors. */
if (asprintf (&cmd, "rm -rf %s", tmpdir) >= 0)
system (cmd);
free (tmpdir);
/* Free the private copy of environ. */
for (i = 0; env[i] != NULL; ++i)
free (env[i]);
free (env);
}
#pragma GCC diagnostic pop
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