static int db_readdir(backend_store_interface* i, const char* rel_path,
void* buf, fuse_fill_dir_t filler, off_t offset, DIR* dir) {
size_t j;
size_t num_files = 0;
char** files;
logger_logf(LOG(i), "rel_path = %s", rel_path);
ERR_IF_DOESNT_EXIST(i, rel_path);
logger_logf(LOG(i), "passing rel_path = %s to get_directory_files", rel_path);
files = get_directory_files(rel_path, &num_files);
for (j = 0; j < num_files; ++j) {
logger_logf(LOG(i), "iterating over %s", files[j]);
/* Need to determine full path to file (not path relative to current
* working directory) to decide if user can ascertain its existence */
size_t rel_path_len = strlen(rel_path);
size_t full_path_len = rel_path_len + strlen(files[j]) + 2;
char full_path[full_path_len];
full_path[0] = '\0';
strcat(full_path, rel_path);
if (rel_path_len != 1) { //if not slash (root directory)
strcat(full_path, "/");
}
strcat(full_path, files[j]);
logger_logf(LOG(i), "full path = %s", full_path);
/* Only show user files they are allowed to ascertain the existence of */
if (!db_can_ascertain_existence(i, full_path)) {
continue;
}
if (filler(buf, files[j], NULL, 0) != 0) {
logger_logf(LOG(i), "filled failed");
return -ENOMEM;
}
}
for (j = 0; j < num_files; ++j) {
free(files[j]);
}
free(files);
return 0;
}
int main(int argc, char * argv[])
{
char opt;
opt = getopt(argc, argv, optstring);
int l_flag;
while (opt!=-1)
{
switch(opt) {
case 'l':
l_flag=1;
break;
}
opt = getopt(argc, argv, optstring);
}
const char * pathname;
// Get the last argument - the pathname
if (argc >= 3)
pathname = argv[argc-1];
else if ( (argc == 2) & l_flag )
pathname = getenv("PWD");
else if (argc == 1)
pathname = getenv("PWD");
else
pathname = argv[argc-1];
struct dirent * directory_files =
get_directory_files(pathname);
if (!directory_files)
{
perror("Error opening directory");
return -1;
}
if (l_flag)
{
for (int j=0; j< CURRENT_DIRECTORY_SIZE; j++)
{
fflush(stdout);
if ( print_file_information_long(pathname, directory_files[j].d_name) < 0)
{
perror("Error reading file");
printf("File name: %s%c%s\n", pathname, '/', directory_files[j].d_name);
continue;
}
}
}
else
{
for (int j=0; j < CURRENT_DIRECTORY_SIZE; j++)
{
printf("%s\n",directory_files[j].d_name);
}
}
free(directory_files);
return (0);
}
