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1 /**
2  * \file folders.c
3  * Example program that lists all folders on a device.
4  *
5  * Copyright (C) 2005-2011 Linus Walleij <triad@df.lth.se>
6  * Copyright (C) 2007 Ted Bullock <tbullock@canada.com>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the
20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21  * Boston, MA 02111-1307, USA.
22  */
23 #include "common.h"
24 #include <stdlib.h>
25 
dump_folder_list(LIBMTP_folder_t * folderlist,int level)26 static void dump_folder_list(LIBMTP_folder_t *folderlist, int level)
27 {
28   int i;
29   if(folderlist==NULL) {
30     return;
31   }
32 
33   printf("%u\t", folderlist->folder_id);
34   for(i=0;i<level;i++) printf("  ");
35 
36   printf("%s\n", folderlist->name);
37 
38   dump_folder_list(folderlist->child, level+1);
39   dump_folder_list(folderlist->sibling, level);
40 }
41 
main(int argc,char ** argv)42 int main (int argc, char **argv)
43 {
44   LIBMTP_raw_device_t *rawdevices;
45   int numrawdevices;
46   int i;
47 
48   LIBMTP_Init();
49   printf("Attempting to connect device(s)\n");
50 
51   switch (LIBMTP_Detect_Raw_Devices(&rawdevices, &numrawdevices)) {
52   case LIBMTP_ERROR_NO_DEVICE_ATTACHED:
53     printf("mtp-folders: no devices found\n");
54     return 0;
55   case LIBMTP_ERROR_CONNECTING:
56     fprintf(stderr, "mtp-folders: There has been an error connecting. Exit\n");
57     return 1;
58   case LIBMTP_ERROR_MEMORY_ALLOCATION:
59     fprintf(stderr, "mtp-folders: Memory Allocation Error. Exit\n");
60     return 1;
61 
62   /* Unknown general errors - This should never execute */
63   case LIBMTP_ERROR_GENERAL:
64   default:
65     fprintf(stderr, "mtp-folders: Unknown error, please report "
66                     "this to the libmtp developers\n");
67     return 1;
68 
69   /* Successfully connected at least one device, so continue */
70   case LIBMTP_ERROR_NONE:
71     printf("mtp-folders: Successfully connected\n");
72   }
73 
74   /* iterate through connected MTP devices */
75   for (i = 0; i < numrawdevices; i++) {
76     LIBMTP_mtpdevice_t *device;
77     LIBMTP_devicestorage_t *storage;
78     char *friendlyname;
79     int ret;
80 
81     device = LIBMTP_Open_Raw_Device(&rawdevices[i]);
82     if (device == NULL) {
83       fprintf(stderr, "Unable to open raw device %d\n", i);
84       continue;
85     }
86 
87     /* Echo the friendly name so we know which device we are working with */
88     friendlyname = LIBMTP_Get_Friendlyname(device);
89     if (friendlyname == NULL) {
90       printf("Friendly name: (NULL)\n");
91     } else {
92       printf("Friendly name: %s\n", friendlyname);
93       free(friendlyname);
94     }
95 
96     LIBMTP_Dump_Errorstack(device);
97     LIBMTP_Clear_Errorstack(device);
98 
99     /* Get all storages for this device */
100     ret = LIBMTP_Get_Storage(device, LIBMTP_STORAGE_SORTBY_NOTSORTED);
101     if (ret != 0) {
102       perror("LIBMTP_Get_Storage()\n");
103       LIBMTP_Dump_Errorstack(device);
104       LIBMTP_Clear_Errorstack(device);
105       continue;
106     }
107 
108     /* Loop over storages, dump folder for each one */
109     for (storage = device->storage; storage != 0; storage = storage->next) {
110       LIBMTP_folder_t *folders;
111 
112       printf("Storage: %s\n", storage->StorageDescription);
113       folders = LIBMTP_Get_Folder_List_For_Storage(device, storage->id);
114 
115       if (folders == NULL) {
116 	fprintf(stdout, "No folders found\n");
117 	LIBMTP_Dump_Errorstack(device);
118 	LIBMTP_Clear_Errorstack(device);
119       } else {
120 	dump_folder_list(folders,0);
121       }
122       LIBMTP_destroy_folder_t(folders);
123     }
124     LIBMTP_Release_Device(device);
125   }
126 
127   free(rawdevices);
128   printf("OK.\n");
129 
130   return 0;
131 }
132