c73838280c
This means that callers can distiguish an error from flags==0, and don't have to special-case the empty string.
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/***
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This file is part of systemd.
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Copyright 2016 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/mount.h>
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#include "log.h"
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#include "mount-util.h"
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#include "string-util.h"
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static void test_mount_propagation_flags(const char *name, int ret, unsigned long expected) {
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long unsigned flags;
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assert(mount_propagation_flags_from_string(name, &flags) == ret);
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if (ret >= 0) {
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const char *c;
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assert_se(flags == expected);
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c = mount_propagation_flags_to_string(flags);
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if (isempty(name))
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assert_se(isempty(c));
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else
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assert_se(streq(c, name));
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}
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}
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int main(int argc, char *argv[]) {
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log_set_max_level(LOG_DEBUG);
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test_mount_propagation_flags("shared", 0, MS_SHARED);
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test_mount_propagation_flags("slave", 0, MS_SLAVE);
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test_mount_propagation_flags("private", 0, MS_PRIVATE);
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test_mount_propagation_flags(NULL, 0, 0);
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test_mount_propagation_flags("", 0, 0);
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test_mount_propagation_flags("xxxx", -EINVAL, 0);
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test_mount_propagation_flags(" ", -EINVAL, 0);
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return 0;
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}
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