static int add_event(char *evtid_path)
{
char id_buf[24];
int id, fd;
fd = open(evtid_path, O_RDONLY);
if (fd < 0) {
/*
* some tracepoint doesn't have id file, like ftrace,
* return success in here, and don't print error.
*/
verbose_printf("warning: cannot open file %s\n", evtid_path);
return 0;
}
if (read(fd, id_buf, sizeof(id_buf)) < 0) {
fprintf(stderr, "read file error %s\n", evtid_path);
close(fd);
return -1;
}
id = atoll(id_buf);
idmap_set(id);
close(fd);
return 0;
}
/* Generate a radius packet id. */
static krb5_error_code
id_generate(krb5_context ctx, krad_packet_iter_cb cb, void *data, uchar *id)
{
krb5_error_code retval;
const krad_packet *tmp;
idmap used;
uchar i;
retval = randomize(ctx, &i, sizeof(i));
if (retval != 0) {
if (cb != NULL)
(*cb)(data, TRUE);
return retval;
}
if (cb != NULL) {
idmap_init(&used);
for (tmp = (*cb)(data, FALSE); tmp != NULL; tmp = (*cb)(data, FALSE))
idmap_set(&used, tmp->pkt.data[1]);
retval = idmap_find(&used, &i);
if (retval != 0)
return retval;
}
*id = i;
return 0;
}
