DL window: constify resend_needed() function
It doesn't change any state so mark it as const.
Change-Id: I5d672bfd654198aebb187772de464c52b3209435
diff --git a/src/rlc.cpp b/src/rlc.cpp
index acd4169..c52417d 100644
--- a/src/rlc.cpp
+++ b/src/rlc.cpp
@@ -58,7 +58,7 @@
m_v_b.reset();
}
-int gprs_rlc_dl_window::resend_needed()
+int gprs_rlc_dl_window::resend_needed() const
{
for (uint16_t bsn = v_a(); bsn != v_s(); bsn = mod_sns(bsn + 1)) {
if (m_v_b.is_nacked(bsn) || m_v_b.is_resend(bsn))
diff --git a/src/rlc.h b/src/rlc.h
index ee86c2a..14d2082 100644
--- a/src/rlc.h
+++ b/src/rlc.h
@@ -303,7 +303,7 @@
const uint16_t distance() const;
/* Methods to manage reception */
- int resend_needed();
+ int resend_needed() const;
int mark_for_resend();
void update(BTS *bts, char *show_rbb, uint16_t ssn,
uint16_t *lost, uint16_t *received);