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https://github.com/kichikuou/xsystem35-sdl2.git
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112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/*
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* cdrom.c CD-ROM control wrapper
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*
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* Copyright (C) 2000- Masaki Chikama (Wren) <masaki-c@is.aist-nara.ac.jp>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* $Id: cdrom.c,v 1.20 2002/08/18 09:35:29 chikama Exp $ */
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#include "config.h"
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#include <stdio.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "portab.h"
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#include "cdrom.h"
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#include "system.h"
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#if defined(ENABLE_CDROM_LINUX)
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extern cdromdevice_t cdrom_linux;
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#define DEV_PLAY_MODE &cdrom_linux
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#elif defined(ENABLE_CDROM_BSD)
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extern cdromdevice_t cdrom_bsd;
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#define DEV_PLAY_MODE &cdrom_bsd
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#elif defined(ENABLE_CDROM_EMSCRIPTEN)
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extern cdromdevice_t cdrom_emscripten;
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#define DEV_PLAY_MODE &cdrom_emscripten
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#else
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extern cdromdevice_t cdrom_empty;
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#define DEV_PLAY_MODE &cdrom_empty
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#endif
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#ifdef ENABLE_CDROM_MP3
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extern cdromdevice_t cdrom_mp3;
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#endif
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/*
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temporary cdrom device name
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default ... /dev/cdrom
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FreeBSD ... /dev/acd0a
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etc...
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*/
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static char *dev = CDROM_DEVICE;
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/*
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初期化
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dev: cdromdevice に関する情報を格納する場所
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RET: 成功 0
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失敗 -1
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*/
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int cd_init(cdromdevice_t *cd) {
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#ifdef ENABLE_CDROM_EMSCRIPTEN
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memcpy(cd, DEV_PLAY_MODE, sizeof(cdromdevice_t));
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return cd->init(dev);
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#else
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struct stat st;
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int ret = NG;
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if (dev == NULL) return -1;
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stat(dev, &st);
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if (S_ISBLK(st.st_mode) | S_ISCHR(st.st_mode)) {
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/* CDROM MODE */
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memcpy(cd, DEV_PLAY_MODE, sizeof(cdromdevice_t));
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ret = cd->init(dev);
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}
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#ifdef ENABLE_CDROM_MP3
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else if (S_ISREG(st.st_mode)) {
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/* MP3 MODE */
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memcpy(cd, &cdrom_mp3, sizeof(cdromdevice_t));
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ret = cd->init(dev);
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memcpy(cd, &cdrom_mp3, sizeof(cdromdevice_t));
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}
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#endif
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else {
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/* error */
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WARNING("no cdrom device available\n");
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ret = NG;
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}
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return ret;
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#endif // ENABLE_CDROM_EMSCRIPTEN
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}
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void cd_set_devicename(char *name) {
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if (0 == strcmp("none", name)) dev = NULL;
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else dev = strdup(name);
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}
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