59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2013 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 <string.h>
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#include "util.h"
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#include "errno-list.h"
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static const struct errno_name* lookup_errno(register const char *str,
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register unsigned int len);
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#include "errno-to-name.h"
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#include "errno-from-name.h"
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const char *errno_to_name(int id) {
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if (id < 0)
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id = -id;
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if (id >= (int) ELEMENTSOF(errno_names))
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return NULL;
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return errno_names[id];
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}
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int errno_from_name(const char *name) {
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const struct errno_name *sc;
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assert(name);
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sc = lookup_errno(name, strlen(name));
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if (!sc)
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return 0;
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return sc->id;
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}
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int errno_max(void) {
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return ELEMENTSOF(errno_names);
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}
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