mdw@git.distorted.org.uk Git - disorder/blob - plugins/fs.c

   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
  19 #include <config.h>
  20
  21 #include <string.h>
  22 #include <stdlib.h>
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #include <syslog.h>
  26 #include <errno.h>
  27 #include <dirent.h>
  28 #include <stdio.h>
  29 #include <unistd.h>
  30
  31 #include <disorder.h>
  32
  33 void disorder_scan(const char *path) {
  34   struct stat sb;
  35   DIR *dp;
  36   struct dirent *de;
  37   char *np;
  38
  39   if(stat(path, &sb) < 0) {
  40     disorder_error(errno, "cannot stat %s", path);
  41     return;
  42   }
  43   if(S_ISDIR(sb.st_mode)) {
  44     if(!(dp = opendir(path))) {
  45       disorder_error(errno, "cannot open directory %s", path);
  46       return;
  47     }
  48     while((errno = 0),
  49           (de = readdir(dp))) {
  50       if(de->d_name[0] != '.') {
  51         disorder_asprintf(&np, "%s/%s", path, de->d_name);
  52         disorder_scan(np);
  53       }
  54     }
  55     if(errno)
  56       disorder_error(errno, "error reading directory %s", path);
  57     closedir(dp);
  58   } else if(S_ISREG(sb.st_mode)) {
  59     if(access(path, R_OK) < 0) {
  60       disorder_error(errno, "cannot access file %s", path);
  61       return;
  62     }
  63     if(printf("%s%c", path, 0) < 0)
  64       disorder_fatal(errno, "error writing to scanner output pipe");
  65   }
  66 }
  67
  68 int disorder_check(const char attribute((unused)) *root, const char *path) {
  69   if(access(path, R_OK) == 0)
  70     return 1;
  71   else if(errno == ENOENT)
  72     return 0;
  73   else {
  74     disorder_error(errno, "cannot access %s", path);
  75     return -1;
  76   }
  77 }
  78
  79 /*
  80 Local Variables:
  81 c-basic-offset:2
  82 comment-column:40
  83 End:
  84 */