1 /* $NetBSD: userconf.c,v 1.1 2022/03/25 21:23:00 jmcneill Exp $ */
2
3 /*-
4 * Copyright (c) 2022 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jared McNeill <jmcneill@invisible.ca>.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "efiboot.h"
33
34 #include <sys/queue.h>
35
36 struct userconf_command {
37 const char *uc_text;
38 TAILQ_ENTRY(userconf_command) entries;
39 };
40 TAILQ_HEAD(, userconf_command) userconf_commands =
41 TAILQ_HEAD_INITIALIZER(userconf_commands);
42
43 void
userconf_foreach(void (* fn)(const char *))44 userconf_foreach(void (*fn)(const char *))
45 {
46 struct userconf_command *uc;
47
48 TAILQ_FOREACH(uc, &userconf_commands, entries) {
49 fn(uc->uc_text);
50 }
51 }
52
53 void
userconf_add(const char * cmd)54 userconf_add(const char *cmd)
55 {
56 struct userconf_command *uc;
57 size_t len;
58 char *text;
59
60 while (*cmd == ' ' || *cmd == '\t') {
61 ++cmd;
62 }
63 if (*cmd == '\0') {
64 return;
65 }
66
67 uc = alloc(sizeof(*uc));
68 if (uc == NULL) {
69 panic("couldn't allocate userconf command");
70 }
71
72 len = strlen(cmd) + 1;
73 text = alloc(len);
74 if (text == NULL) {
75 panic("couldn't allocate userconf command buffer");
76 }
77 memcpy(text, cmd, len);
78
79 uc->uc_text = text;
80 TAILQ_INSERT_TAIL(&userconf_commands, uc, entries);
81 }
82