2 * Copyright (c) 2010, Olivier MATZ <zer0@droids-corp.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the University of California, Berkeley nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/queue.h>
36 #include "cfzy_confnode.h"
38 #define LOG(level, fmt, args...) \
39 CFZY_LOG("comment", level, fmt, ##args)
41 /* write config value in file f in a dotconfig-like manner. Return 0
43 static int comment_dotconfig_write(const struct cfzy_confnode *n, FILE *f)
45 if (fprintf(f, "# %s\n", n->prompt) < 0)
48 /* this node has no children, no need to dump them */
52 /* Return a string identifying the node type ("config", "menuconfig",
54 static const char *comment_get_type_str(const struct cfzy_confnode *n)
60 static struct cfzy_confnode_ops comment_ops = {
65 .dotconfig_write = comment_dotconfig_write,
67 .get_type_str = comment_get_type_str,
68 .set_uservalue = NULL,
71 /* Create a new node */
72 enum cfzy_parse_return cfzy_confnode_comment_new(struct cfzy_confnode *n,
73 const struct cfzy_token_list *tklist)
75 struct cfzy_token *tok;
76 tok = TAILQ_FIRST(&tklist->list);
78 if (strcmp(tok->str, "comment") || tklist->n_token != 2)
81 tok = TAILQ_NEXT(tok, next);
82 /* comment string is stored in prompt field, not in name */
83 if (n->prompt != NULL) {
87 n->prompt = strdup(tok->str);
88 if (n->prompt == NULL) {
89 LOG(ERR, "cannot allocate prompt");
92 n->ops = &comment_ops;
93 n->flags = CFZY_F_NO_SET_DEFAULT |
94 CFZY_F_NO_SET_PROMPT |