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/* libguestfs
* Copyright (C) 2012 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Test how libguestfs uses the environment, guestfs_create_flags,
* guestfs_parse_environment, guestfs_parse_environment_list.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <error.h>
#include <assert.h>
#include "guestfs.h"
int
main (int argc, char *argv[])
{
guestfs_h *g;
int r, default_memsize;
/* What's the default memsize? */
g = guestfs_create ();
if (!g) error (EXIT_FAILURE, errno, "guestfs_create");
default_memsize = guestfs_get_memsize (g);
if (default_memsize == -1) exit (EXIT_FAILURE);
guestfs_close (g);
/* Check that guestfs_create parses the environment. */
setenv ("LIBGUESTFS_MEMSIZE", "799", 1);
g = guestfs_create ();
if (!g) error (EXIT_FAILURE, errno, "guestfs_create");
assert (guestfs_get_memsize (g) == 799);
guestfs_close (g);
/* Check that guestfs_create_flags with no flags parses the environment. */
setenv ("LIBGUESTFS_MEMSIZE", "798", 1);
g = guestfs_create_flags (0);
if (!g) error (EXIT_FAILURE, errno, "guestfs_create_flags");
assert (guestfs_get_memsize (g) == 798);
guestfs_close (g);
/* Check guestfs_create_flags + explicit guestfs_parse_environment. */
setenv ("LIBGUESTFS_MEMSIZE", "797", 1);
g = guestfs_create_flags (GUESTFS_CREATE_NO_ENVIRONMENT);
assert (guestfs_get_memsize (g) == default_memsize);
if (!g) error (EXIT_FAILURE, errno, "guestfs_create_flags");
setenv ("LIBGUESTFS_MEMSIZE", "796", 1);
r = guestfs_parse_environment (g);
if (r == -1) exit (EXIT_FAILURE);
assert (guestfs_get_memsize (g) == 796);
guestfs_close (g);
/* Check guestfs_parse_environment_list. */
setenv ("LIBGUESTFS_MEMSIZE", "795", 1);
g = guestfs_create_flags (GUESTFS_CREATE_NO_ENVIRONMENT);
assert (guestfs_get_memsize (g) == default_memsize);
if (!g) error (EXIT_FAILURE, errno, "guestfs_create_flags");
setenv ("LIBGUESTFS_MEMSIZE", "794", 1);
const char *local_environment[] = {
"LIBGUESTFS_MEMSIZE=793",
"LIBGUESTFS_MEMSIZE_NOT_REALLY_A_VARIABLE=1",
"FOO=bar",
"HOME=/homes",
"BLAH",
NULL
};
r = guestfs_parse_environment_list (g, (char **) local_environment);
if (r == -1) exit (EXIT_FAILURE);
assert (guestfs_get_memsize (g) == 793);
guestfs_close (g);
exit (EXIT_SUCCESS);
}
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