long internal_get_used_helper(const javacall_utf16* unicodeSystemDirName,
int systemDirNameLen) {
long used = 0;
javacall_handle pIterator;
javacall_utf16 *current;
int currentLen;
wchar_t wOsFilename[JAVACALL_MAX_FILE_NAME_LENGTH]; // max file name
struct _stat stat_buf;
pIterator = javacall_dir_open(unicodeSystemDirName, systemDirNameLen);
for (; ; ) {
if ((current = javacall_dir_get_next(pIterator, ¤tLen)) == NULL) {
break;
}
if( currentLen > JAVACALL_MAX_FILE_NAME_LENGTH ) {
javacall_print("internal_get_used_helper: File name length too big");
return JAVACALL_FAIL;
}
memcpy(wOsFilename, current, currentLen*sizeof(wchar_t));
wOsFilename[currentLen] = 0;
/* Don't count the subdirectories "." and ".." */
if (_wstat(wOsFilename, &stat_buf) != -1 &&
!S_ISDIR(stat_buf.st_mode)) {
used += stat_buf.st_size;
}
}
javacall_dir_close(pIterator);
return used;
}
/**
* This helper function deletes the specified directory and all
* its contents.
*
* @param pDirName the directory to delete
*/
void do_cleanup(const pcsl_string* pDirName)
{
pcsl_string name1 = PCSL_STRING_NULL;
pcsl_string * pSubDir = &name1;
pcsl_string name2 = PCSL_STRING_NULL;
pcsl_string * pDirEntry = &name2;
pcsl_string * tmp;
javacall_handle listHandle;
int nestLevel = 0;
int pathLen;
javacall_utf16 * fileName = NULL;
int fileNameLen = 0;
pcsl_string_status status;
javacall_result res;
int finish = 0;
jchar sep = javacall_get_file_separator();
// initialize current directory
if (PCSL_STRING_OK != pcsl_string_dup(pDirName, pSubDir)) {
return;
}
for ( ; ; ) {
// open upper-level directory for listing
GET_PCSL_STRING_DATA_AND_LENGTH(pSubDir)
if (PCSL_STRING_PARAMETER_ERROR(pSubDir)) {
listHandle = NULL;
} else {
listHandle = javacall_dir_open(pSubDir_data, pSubDir_len);
}
RELEASE_PCSL_STRING_DATA_AND_LENGTH
if (NULL == listHandle) {
pcsl_string_free(pSubDir);
return;
}
// get the first entry in the current directory
fileName = javacall_dir_get_next(listHandle, &fileNameLen);
while (NULL != fileName) {
// compose full path for the directory entry
if (PCSL_STRING_OK != pcsl_string_dup(pSubDir, pDirEntry)) {
javacall_dir_close(listHandle);
pcsl_string_free(pSubDir);
return;
}
pcsl_string_predict_size(pDirEntry, pcsl_string_length(pDirEntry) + 1 + fileNameLen);
if (PCSL_STRING_OK != pcsl_string_append_char(pDirEntry, sep)
|| PCSL_STRING_OK != pcsl_string_append_buf(pDirEntry, fileName, fileNameLen)) {
javacall_dir_close(listHandle);
pcsl_string_free(pSubDir);
pcsl_string_free(pDirEntry);
return;
}
// check if directory entry is a subdirectory
GET_PCSL_STRING_DATA_AND_LENGTH(pDirEntry)
if (PCSL_STRING_PARAMETER_ERROR(pDirEntry)) {
finish = 1;
} else {
res = javacall_fileconnection_dir_exists(pDirEntry_data, pDirEntry_len);
}
RELEASE_PCSL_STRING_DATA_AND_LENGTH
if (finish) {
javacall_dir_close(listHandle);
pcsl_string_free(pSubDir);
pcsl_string_free(pDirEntry);
return;
}
if (JAVACALL_OK == res) {
// found subdirectory, open it for listing
javacall_dir_close(listHandle);
pcsl_string_free(pSubDir);
tmp = pDirEntry;
pDirEntry = pSubDir;
pSubDir = tmp;
GET_PCSL_STRING_DATA_AND_LENGTH(pSubDir)
if (PCSL_STRING_PARAMETER_ERROR(pSubDir)) {
listHandle = NULL;
} else {
listHandle = javacall_dir_open(pSubDir_data, pSubDir_len);
}
RELEASE_PCSL_STRING_DATA_AND_LENGTH
if (NULL == listHandle) {
pcsl_string_free(pSubDir);
return;
}
nestLevel++;
} else {
// found regular file, simply remove it
GET_PCSL_STRING_DATA_AND_LENGTH(pDirEntry)
if (PCSL_STRING_PARAMETER_ERROR(pDirEntry)) {
res = JAVACALL_FAIL;
} else {
// ensure that the file is not read-only
javacall_fileconnection_set_writable(pDirEntry_data, pDirEntry_len, JAVACALL_TRUE);
res = javacall_file_delete(pDirEntry_data, pDirEntry_len);
}
RELEASE_PCSL_STRING_DATA_AND_LENGTH
pcsl_string_free(pDirEntry);
if (JAVACALL_OK != res) {
javacall_dir_close(listHandle);
pcsl_string_free(pSubDir);
return;
}
}
// iterate through the current directory
fileName = javacall_dir_get_next(listHandle, &fileNameLen);
}
