/***
This file is part of systemd.
Copyright 2014 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <errno.h>
#include <string.h>
#include "cap-list.h"
#include "macro.h"
#include "missing.h"
#include "parse-util.h"
#include "util.h"
static const struct capability_name* lookup_capability(register const char *str, register unsigned int len);
#include "cap-from-name.h"
#include "cap-to-name.h"
const char *capability_to_name(int id) {
if (id < 0)
return NULL;
if (id >= (int) ELEMENTSOF(capability_names))
return NULL;
return capability_names[id];
}
int capability_from_name(const char *name) {
const struct capability_name *sc;
int r, i;
assert(name);
/* Try to parse numeric capability */
r = safe_atoi(name, &i);
if (r >= 0 && i >= 0)
return i;
/* Try to parse string capability */
sc = lookup_capability(name, strlen(name));
if (!sc)
return -EINVAL;
return sc->id;
}
int capability_list_length(void) {
return (int) ELEMENTSOF(capability_names);
}