int mailmbox_read_lock(struct mailmbox_folder * folder)
{
int r;
r = maillock_read_lock(folder->mb_filename, folder->mb_fd);
if (r == 0)
return MAILMBOX_NO_ERROR;
else
return MAILMBOX_ERROR_FILE;
}
static void read_article_seq(mailsession * session,
uint32_t * pfirst, uint32_t * plast)
{
FILE * f;
struct nntp_session_state_data * ancestor_data;
uint32_t first;
uint32_t last;
char seq_filename[PATH_MAX];
struct nntp_cached_session_state_data * cached_data;
int r;
first = 0;
last = 0;
cached_data = get_cached_data(session);
ancestor_data = get_ancestor_data(session);
if (ancestor_data->nntp_group_name == NULL)
return;
snprintf(seq_filename, PATH_MAX, "%s/%s/%s",
cached_data->nntp_cache_directory,
ancestor_data->nntp_group_name, SEQ_FILENAME);
f = fopen(seq_filename, "r");
if (f != NULL) {
int fd;
fd = fileno(f);
r = maillock_read_lock(seq_filename, fd);
if (r == 0) {
MMAPString * mmapstr;
size_t cur_token;
char buf[sizeof(uint32_t) * 2];
size_t read_size;
read_size = fread(buf, 1, sizeof(uint32_t) * 2, f);
mmapstr = mmap_string_new_len(buf, read_size);
if (mmapstr != NULL) {
cur_token = 0;
r = mailimf_cache_int_read(mmapstr, &cur_token, &first);
r = mailimf_cache_int_read(mmapstr, &cur_token, &last);
mmap_string_free(mmapstr);
}
maillock_read_unlock(seq_filename, fd);
}
fclose(f);
}
* pfirst = first;
* plast = last;
}
