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/***
This file is part of systemd.
Copyright 2016 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 "vlan-util.h"
#include "parse-util.h"
#include "conf-parser.h"
int parse_vlanid(const char *p, uint16_t *ret) {
uint16_t id;
int r;
r = safe_atou16(p, &id);
if (r < 0)
return r;
if (!vlanid_is_valid(id))
return -ERANGE;
*ret = id;
return 0;
}
int config_parse_vlanid(
const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
uint16_t *id = data;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
r = parse_vlanid(rvalue, id);
if (r == -ERANGE) {
log_syntax(unit, LOG_ERR, filename, line, r, "VLAN identifier outside of valid range 0…4094, ignoring: %s", rvalue);
return 0;
}
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse VLAN identifier value, ignoring: %s", rvalue);
return 0;
}
return 0;
}
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