/**
* The recursive helper function. It deletes all files inside specified
* directory and calls itself to delete subdirectories.
*
* @param pDirName the directory to delete
* @param pSep system-dependent file separator
*/
void do_cleanup(const pcsl_string* pDirName, const pcsl_string* pSep)
{
void* fileList = NULL;
pcsl_string fileName = PCSL_STRING_NULL;
pcsl_string dirName = PCSL_STRING_NULL;
// add tailing file separator to directory name
if (pcsl_string_cat(pDirName, pSep, &dirName) != PCSL_STRING_OK) {
return;
}
fileList = pcsl_file_openfilelist(&dirName);
if (fileList == NULL) {
pcsl_string_free(&dirName);
return;
}
// iterate over the directory's content
while (!pcsl_file_getnextentry(fileList, &dirName, &fileName)) {
int isDir = pcsl_file_is_directory(&fileName);
if (isDir == 1) {
// make recursion
do_cleanup(&fileName, pSep);
} else {
// remove file
pcsl_file_unlink(&fileName);
}
pcsl_string_free(&fileName);
};
pcsl_string_free(&dirName);
pcsl_file_closefilelist(fileList);
// remove empty directory
pcsl_file_rmdir(pDirName);
}
/**
* Tests for pcsl_file_is_directory(), pcsl_file_mkdir() and pcsl_file_rmdir().
*/
void testDirectories() {
int res;
res = pcsl_file_is_directory(&dir1);
assertTrue("\".\" is not recognized as a directory", res == 1);
res = pcsl_file_is_directory(&dummy1);
assertTrue("Non-existent directory is erroneously found", res != 1);
res = pcsl_file_mkdir(&dir3);
assertTrue("mkdir failed", res == 0);
res = pcsl_file_is_directory(&dir3);
assertTrue("Directory wasn't created", res == 1);
res = pcsl_file_mkdir(&dir3);
assertTrue("mkdir succeeded for directory that already exists", res != 0);
res = pcsl_file_rmdir(&dir3);
assertTrue("rmdir failed", res == 0);
res = pcsl_file_is_directory(&dir3);
assertTrue("Directory wasn't deleted", res != 1);
res = pcsl_file_rmdir(&dummy1);
assertTrue("rmdir succeeded for non-exisent directory", res != 0);
}
