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git.ipfire.org Git - people/ms/systemd.git/blob - specifier.c
1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
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 General Public License as published by
10 the Free Software Foundation; either version 2 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 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include "specifier.h"
29 * Generic infrastructure for replacing %x style specifiers in
30 * strings. Will call a callback for each replacement.
34 char *specifier_printf(const char *text
, const Specifier table
[], void *userdata
) {
44 if (!(r
= new(char, l
+1)))
49 for (f
= text
; *f
; f
++, l
--) {
57 for (i
= table
; i
->specifier
; i
++)
58 if (i
->specifier
== *f
)
65 if (!(w
= i
->lookup(i
->specifier
, i
->data
, userdata
))) {
73 if (!(n
= new(char, j
+ k
+ (l
- (f
- text
)) + 1))) {
104 /* Generic handler for simple string replacements */
106 char* specifier_string(char specifier
, void *data
, void *userdata
) {
109 return strdup(strempty(data
));