1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/utsname.h>
27 #include "specifier.h"
30 * Generic infrastructure for replacing %x style specifiers in
31 * strings. Will call a callback for each replacement.
35 int specifier_printf(const char *text, const Specifier table[], void *userdata, char **_ret) {
52 for (f = text; *f; f++, l--) {
60 for (i = table; i->specifier; i++)
61 if (i->specifier == *f)
65 _cleanup_free_ char *w = NULL;
69 r = i->lookup(i->specifier, i->data, userdata, &w);
78 n = new(char, j + k + l + 1);
109 /* Generic handler for simple string replacements */
111 int specifier_string(char specifier, void *data, void *userdata, char **ret) {
114 n = strdup(strempty(data));
122 int specifier_machine_id(char specifier, void *data, void *userdata, char **ret) {
127 r = sd_id128_get_machine(&id);
135 *ret = sd_id128_to_string(id, n);
139 int specifier_boot_id(char specifier, void *data, void *userdata, char **ret) {
144 r = sd_id128_get_boot(&id);
152 *ret = sd_id128_to_string(id, n);
156 int specifier_host_name(char specifier, void *data, void *userdata, char **ret) {
159 n = gethostname_malloc();
167 int specifier_kernel_release(char specifier, void *data, void *userdata, char **ret) {
176 n = strdup(uts.release);