| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2004, 2007, 2008 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software: you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | /** @file plugins/fs.c |
| 19 | * @brief Plugin to find tracks in a filesystem |
| 20 | */ |
| 21 | #include <config.h> |
| 22 | |
| 23 | #include <string.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <sys/types.h> |
| 26 | #include <sys/stat.h> |
| 27 | #include <syslog.h> |
| 28 | #include <errno.h> |
| 29 | #include <dirent.h> |
| 30 | #include <stdio.h> |
| 31 | #include <unistd.h> |
| 32 | |
| 33 | #include <disorder.h> |
| 34 | |
| 35 | void disorder_scan(const char *path) { |
| 36 | struct stat sb; |
| 37 | DIR *dp; |
| 38 | struct dirent *de; |
| 39 | char *np; |
| 40 | |
| 41 | if(stat(path, &sb) < 0) { |
| 42 | disorder_error(errno, "cannot stat %s", path); |
| 43 | return; |
| 44 | } |
| 45 | if(S_ISDIR(sb.st_mode)) { |
| 46 | if(!(dp = opendir(path))) { |
| 47 | disorder_error(errno, "cannot open directory %s", path); |
| 48 | return; |
| 49 | } |
| 50 | while((errno = 0), |
| 51 | (de = readdir(dp))) { |
| 52 | if(de->d_name[0] != '.') { |
| 53 | disorder_asprintf(&np, "%s/%s", path, de->d_name); |
| 54 | disorder_scan(np); |
| 55 | } |
| 56 | } |
| 57 | if(errno) |
| 58 | disorder_error(errno, "error reading directory %s", path); |
| 59 | closedir(dp); |
| 60 | } else if(S_ISREG(sb.st_mode)) { |
| 61 | if(access(path, R_OK) < 0) { |
| 62 | disorder_error(errno, "cannot access file %s", path); |
| 63 | return; |
| 64 | } |
| 65 | if(printf("%s%c", path, 0) < 0) |
| 66 | disorder_fatal(errno, "error writing to scanner output pipe"); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | int disorder_check(const char attribute((unused)) *root, const char *path) { |
| 71 | if(access(path, R_OK) == 0) |
| 72 | return 1; |
| 73 | else if(errno == ENOENT) |
| 74 | return 0; |
| 75 | else { |
| 76 | disorder_error(errno, "cannot access %s", path); |
| 77 | return -1; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | Local Variables: |
| 83 | c-basic-offset:2 |
| 84 | comment-column:40 |
| 85 | End: |
| 86 | */ |