static TCHAR *
FindDataPath()
{
if (is_altair() && is_embedded())
/* hard-coded path for Altair */
return _tcsdup(_T("\\NOR Flash"));
if (is_android()) {
/* XXX use Environment.getExternalStorageDirectory() */
#ifdef ANDROID
/* hack for Samsung Galaxy S and Samsung Galaxy Tab (which has a
build-in and an external SD card) */
struct stat st;
if (stat("/sdcard/external_sd", &st) == 0 &&
(st.st_mode & S_IFDIR) != 0 &&
fgrep("/proc/mounts", "/sdcard/external_sd "))
return strdup("/sdcard/external_sd/XCSoarData");
#endif
/* hard-coded path for Android */
return _tcsdup(_T("/sdcard/XCSoarData"));
}
#ifdef _WIN32_WCE
/* if XCSoar was started from a flash disk, put the XCSoarData onto
it, too */
{
TCHAR buffer[MAX_PATH];
if (ModuleInFlash(NULL, buffer) != NULL) {
_tcscat(buffer, _T(DIR_SEPARATOR_S));
_tcscat(buffer, XCSDATADIR);
if (Directory::Exists(buffer))
return _tcsdup(buffer);
}
/* if a flash disk with XCSoarData exists, use it */
if (ExistingDataOnFlash(buffer) != NULL)
return _tcsdup(buffer);
}
#endif
{
TCHAR buffer[MAX_PATH];
const TCHAR *path = GetHomeDataPath(buffer);
if (path != NULL)
return _tcsdup(path);
}
return NULL;
}
static
void getExternalStoragePublicDirectory(TCHAR* szPath, size_t MaxSize) {
/* on Samsung Galaxy S4 (and others), the "external" SD card is
mounted here */
if (lk::filesystem::isDirectory(_T("/mnt/extSdCard" LKDATADIR))
&& access(_T("/mnt/extSdCard" LKDATADIR),W_OK) == 0) {
/* found writable XCSoarData: use this SD card */
_tcsncpy(szPath, _T("/mnt/extSdCard"), MaxSize);
return;
}
/* hack for Samsung Galaxy S and Samsung Galaxy Tab (which has a
built-in and an external SD card) */
struct stat st;
if (stat(ANDROID_SAMSUNG_EXTERNAL_SD, &st) == 0 &&
S_ISDIR(st.st_mode) &&
fgrep("/proc/mounts", ANDROID_SAMSUNG_EXTERNAL_SD " ", "tmpfs ")) {
__android_log_print(ANDROID_LOG_DEBUG, "LK8000", "Enable Samsung hack : " ANDROID_SAMSUNG_EXTERNAL_SD);
_tcsncpy(szPath, _T(ANDROID_SAMSUNG_EXTERNAL_SD), MaxSize);
return;
}
/* try Context.getExternalStoragePublicDirectory() */
if (Environment::getExternalStoragePublicDirectory(szPath, MaxSize, LKDATADIR) != nullptr) {
TCHAR* szEnd = _tcsrchr(szPath, '/');
if(szEnd) {
*szEnd = _T('\0');
}
__android_log_print(ANDROID_LOG_DEBUG, "LK8000", "Environment.getExternalStoragePublicDirectory()='%s'", szPath);
return;
}
/* now try Context.getExternalStorageDirectory(), because
getExternalStoragePublicDirectory() needs API level 8 */
if (Environment::getExternalStorageDirectory(szPath, MaxSize - 32) != nullptr) {
return;
}
/* hard-coded path for Android */
__android_log_print(ANDROID_LOG_DEBUG, "L8000", "Fallback : " ANDROID_SDCARD);
_tcsncpy(szPath, _T(ANDROID_SDCARD), MaxSize);
}
