/* $NetBSD: userconf.c,v 1.1 2022/03/25 21:23:00 jmcneill Exp $ */

/*-
* Copyright (c) 2022 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jared McNeill <[email protected]>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include "efiboot.h"

#include <sys/queue.h>

struct userconf_command {
       const char *uc_text;
       TAILQ_ENTRY(userconf_command) entries;
};
TAILQ_HEAD(, userconf_command) userconf_commands =
   TAILQ_HEAD_INITIALIZER(userconf_commands);

void
userconf_foreach(void (*fn)(const char *))
{
       struct userconf_command *uc;

       TAILQ_FOREACH(uc, &userconf_commands, entries) {
               fn(uc->uc_text);
       }
}

void
userconf_add(const char *cmd)
{
       struct userconf_command *uc;
       size_t len;
       char *text;

       while (*cmd == ' ' || *cmd == '\t') {
               ++cmd;
       }
       if (*cmd == '\0') {
               return;
       }

       uc = alloc(sizeof(*uc));
       if (uc == NULL) {
               panic("couldn't allocate userconf command");
       }

       len = strlen(cmd) + 1;
       text = alloc(len);
       if (text == NULL) {
               panic("couldn't allocate userconf command buffer");
       }
       memcpy(text, cmd, len);

       uc->uc_text = text;
       TAILQ_INSERT_TAIL(&userconf_commands, uc, entries);
}