102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
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/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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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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* 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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#include "directory_save.h"
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#include "directory.h"
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#include "database.h"
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#include "song.h"
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#include "log.h"
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#include "path.h"
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#include "utils.h"
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#include "song_save.h"
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#include "dirvec.h"
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/* TODO error checking */
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int
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directory_save(FILE *fp, struct directory *directory)
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{
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struct dirvec *children = &directory->children;
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size_t i;
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int retv;
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if (!isRootDirectory(directory->path)) {
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retv = fprintf(fp, "%s%s\n", DIRECTORY_BEGIN,
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directory_get_path(directory));
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if (retv < 0)
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return -1;
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}
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for (i = 0; i < children->nr; ++i) {
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struct directory *cur = children->base[i];
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const char *base = mpd_basename(cur->path);
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retv = fprintf(fp, DIRECTORY_DIR "%s\n", base);
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if (retv < 0)
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return -1;
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if (directory_save(fp, cur) < 0)
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return -1;
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}
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songvec_save(fp, &directory->songs);
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if (!isRootDirectory(directory->path) &&
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fprintf(fp, DIRECTORY_END "%s\n",
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directory_get_path(directory)) < 0)
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return -1;
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return 0;
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}
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void
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directory_load(FILE *fp, struct directory *directory)
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{
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char buffer[MPD_PATH_MAX * 2];
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int bufferSize = MPD_PATH_MAX * 2;
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char key[MPD_PATH_MAX * 2];
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char *name;
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while (myFgets(buffer, bufferSize, fp)
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&& prefixcmp(buffer, DIRECTORY_END)) {
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if (!prefixcmp(buffer, DIRECTORY_DIR)) {
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struct directory *subdir;
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strcpy(key, &(buffer[strlen(DIRECTORY_DIR)]));
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if (!myFgets(buffer, bufferSize, fp))
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FATAL("Error reading db, fgets\n");
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/* for compatibility with db's prior to 0.11 */
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if (!prefixcmp(buffer, DIRECTORY_MTIME)) {
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if (!myFgets(buffer, bufferSize, fp))
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FATAL("Error reading db, fgets\n");
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}
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if (prefixcmp(buffer, DIRECTORY_BEGIN))
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FATAL("Error reading db at line: %s\n", buffer);
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name = &(buffer[strlen(DIRECTORY_BEGIN)]);
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if ((subdir = db_get_directory(name))) {
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assert(subdir->parent == directory);
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} else {
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subdir = directory_new(name, directory);
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dirvec_add(&directory->children, subdir);
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}
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directory_load(fp, subdir);
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} else if (!prefixcmp(buffer, SONG_BEGIN)) {
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readSongInfoIntoList(fp, &directory->songs, directory);
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} else {
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FATAL("Unknown line in db: %s\n", buffer);
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}
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}
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}
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