const char *GetString(int num)
{
// First, search for platform-specific variable string
switch (num) {
case STR_EXTFS_VOLUME_NAME:
return get_volume_name();
}
// Next, search for platform-specific constant string
int i = 0;
while (platform_strings[i].num >= 0) {
if (platform_strings[i].num == num)
return platform_strings[i].str;
i++;
}
// Not found, search for common string
i = 0;
while (common_strings[i].num >= 0) {
if (common_strings[i].num == num)
return common_strings[i].str;
i++;
}
return NULL;
}
static int readdir_volume_inner(struct dirstr_desc *dir, struct dirent *entry)
{
/* Volumes (secondary file systems) get inserted into the system root
* directory. If the path specified volume 0, enumeration will not
* include other volumes, but just its own files and directories.
*
* Fake special directories, which don't really exist, that will get
* redirected upon opendir()
*/
while (++dir->volumecounter < NUM_VOLUMES)
{
/* on the system root */
if (!fat_ismounted(dir->volumecounter))
continue;
get_volume_name(dir->volumecounter, entry->d_name);
dir->entry.info.attr = ATTR_MOUNT_POINT;
dir->entry.info.size = 0;
dir->entry.info.wrtdate = 0;
dir->entry.info.wrttime = 0;
return 1;
}
/* do normal directory entry fetching */
return 0;
}
/* A special link is created under e.g. HOME_DIR/<microSD1>, e.g. to access
* external storage in a convenient location, much similar to the mount
* point on our native targets. Here they are treated as symlink (one which
* doesn't actually exist in the filesystem and therefore we have to override
* readlink() */
static const char *handle_special_links(const char* link, unsigned flags,
char *buf, const size_t bufsize)
{
(void) flags;
char vol_string[VOL_MAX_LEN + 1];
int len;
for (int i = 1; i < NUM_VOLUMES; i++)
{
len = get_volume_name(i, vol_string);
/* link might be passed with or without HOME_DIR expanded. To handle
* both perform substring matching (VOL_NAMES is unique enough) */
const char *begin = strstr(link, vol_string);
if (begin)
{
/* begin now points to the start of vol_string within link,
* we want to copy the remainder of the paths, prefixed by
* the actual mount point (the remainder might be "") */
snprintf(buf, bufsize, MULTIDRIVE_DIR"%s", begin + len);
return buf;
}
}
return link;
}
bool
LabelVisitor::VisitLabel(struct exfat_entry* entry)
{
TRACE("LabelVisitor::VisitLabel()\n");
char name[B_FILE_NAME_LENGTH];
status_t result = get_volume_name(entry, name, sizeof(name));
if (result != B_OK)
return false;
fVolume->SetName(name);
return true;
}
