apps/tagdb/main.c

   1 #include "config.h"
   2
   3 #include <stdio.h>
   4 #include <string.h>     // strcmp()
   5 #include <dirent.h>     // opendir() readdir() closedir()
   6 #include <sys/stat.h>   // IS_DIR
   7
   8 #include "malloc.h"
   9 #include "db.h"
  10
  11 extern int out_of_memory;
  12
  13 // dir-is-album: all files in the dir ARE the same album, use the first name found.
  14 // dir-is-album-name: if no tag found, use the dir's instead of "<no album tag>"
  15 //
  16 // files in different dirs are ALWAYS different albums
  17
  18 static char* strip_path = NULL;
  19 static char* add_path = NULL;
  20
  21 static int iterate_dir(char* dir);
  22 /* Iterates over each item in the given directory
  23  * calls add_file() on each file
  24  * calls iterate_directory() on each directory (recursively)
  25  */
  26
  27 static int iterate_dir(char* dir) {
  28         DIR *d;
  29         struct dirent *e;
  30         struct stat s;
  31         int rc;
  32
  33         assert(dir != NULL);
  34
  35         if(!( d = opendir(dir) )) {
  36                 DEBUGF("iterate_dir: could not open directory \"%s\"\n", dir);
  37                 return ERR_FILE;
  38         }
  39
  40         while(( e = readdir(d) )) {
  41                 char *path;
  42
  43                 if( strcmp(e->d_name, ".") == 0 || strcmp(e->d_name, "..") == 0 )
  44                         continue; // we don't want to descend or loop around...
  45
  46                 path = malloc(strlen(dir) + 1 + strlen(e->d_name) + 1); // "dir/d_name\0"
  47                 if( path == NULL ) {
  48                         DEBUGF("iterate_dir: could not malloc() directory-entry-name\n");
  49                         return ERR_MALLOC;
  50                 }
  51                 strcpy(path, dir);
  52                 strcat(path, "/");
  53                 strcat(path, e->d_name);
  54 #if defined OS_LINUX
  55                 if( stat(path, &s) ) {
  56                         DEBUGF("iterate_dir: could not stat(\"%s\")\n", path);
  57                         return ERR_FILE;
  58                 }
  59
  60                 if( S_ISDIR(s.st_mode) ) {
  61 #elif defined OS_ROCKBOX
  62 #error "Rockbox: not yet implemented: don't know how to list directory"
  63                 if( false ) {
  64 #elif defined OS_WINDOWS
  65                 if( false ) {
  66 #error "Windows: not yet implemented: don't know how to list directory"
  67 #else
  68                 if( false ) {
  69 #error "No OS specified: don't know how to list directory"
  70 #endif
  71                         if(( rc = iterate_dir(path) )) {
  72                                 closedir(d);
  73                                 return rc;
  74                         }
  75                 } else {
  76                         if(( rc = db_add(path, strip_path, add_path) )) {
  77                                 closedir(d);
  78                                 return rc;
  79                         }
  80                 }
  81                 free(path);
  82         }
  83
  84         if( closedir(d) ) {
  85                 DEBUGF("iterate_dir: could not close directory \"%s\", ignoring...\n", dir);
  86         }
  87
  88         return ERR_NONE;
  89 }
  90
  91 int main(int argc, char* argv[]) {
  92         FILE *fd;
  93
  94         if( argc != 2 ) {
  95                 printf("usage: ./songdb dir\n");
  96                 return 1;
  97         }
  98
  99         strip_path = "/home/niels/";
 100         add_path   = "TEST/";
 101
 102         db_construct();
 103
 104         iterate_dir(argv[1]);
 105
 106         fd = fopen("xxx.db", "w");
 107         db_write(fd);
 108         fclose(fd);
 109
 110         db_destruct();
 111
 112         malloc_stats();
 113
 114         return 0;
 115 }