53e1b68390
This follows what the kernel is doing, c.f. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fd54ace4721fc5ce2bb5aef6318fcf17f421460.
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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/***
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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 "ordered-set.h"
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#include "strv.h"
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int ordered_set_consume(OrderedSet *s, void *p) {
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int r;
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r = ordered_set_put(s, p);
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if (r <= 0)
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free(p);
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return r;
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}
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int ordered_set_put_strdup(OrderedSet *s, const char *p) {
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char *c;
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int r;
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assert(s);
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assert(p);
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c = strdup(p);
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if (!c)
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return -ENOMEM;
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r = ordered_set_consume(s, c);
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if (r == -EEXIST)
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return 0;
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return r;
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}
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int ordered_set_put_strdupv(OrderedSet *s, char **l) {
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int n = 0, r;
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char **i;
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STRV_FOREACH(i, l) {
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r = ordered_set_put_strdup(s, *i);
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if (r < 0)
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return r;
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n += r;
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}
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return n;
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}
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