* FIX: for divide by zero crash

Scott Powell · Scott Powell · commit 96e786fa9e17 · 2025-10-30T19:11:04.000+11:00
diff --git a/examples/simple_repeater/MyMesh.cpp b/examples/simple_repeater/MyMesh.cpp
@@ -397,11 +397,11 @@ int MyMesh::calcRxDelay(float score, uint32_t air_time) const {
 
 uint32_t MyMesh::getRetransmitDelay(const mesh::Packet *packet) {
   uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.tx_delay_factor);
-  return getRNG()->nextInt(0, 5*t);
+  return getRNG()->nextInt(0, 5*t + 1);
 }
 uint32_t MyMesh::getDirectRetransmitDelay(const mesh::Packet *packet) {
   uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.direct_tx_delay_factor);
-  return getRNG()->nextInt(0, 5*t);
+  return getRNG()->nextInt(0, 5*t + 1);
 }
 
 void MyMesh::onAnonDataRecv(mesh::Packet *packet, const uint8_t *secret, const mesh::Identity &sender,
diff --git a/examples/simple_room_server/MyMesh.cpp b/examples/simple_room_server/MyMesh.cpp
@@ -262,11 +262,11 @@ const char *MyMesh::getLogDateTime() {
 
 uint32_t MyMesh::getRetransmitDelay(const mesh::Packet *packet) {
   uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.tx_delay_factor);
-  return getRNG()->nextInt(0, 5*t);
+  return getRNG()->nextInt(0, 5*t + 1);
 }
 uint32_t MyMesh::getDirectRetransmitDelay(const mesh::Packet *packet) {
   uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.direct_tx_delay_factor);
-  return getRNG()->nextInt(0, 5*t);
+  return getRNG()->nextInt(0, 5*t + 1);
 }
 
 bool MyMesh::allowPacketForward(const mesh::Packet *packet) {

Original file line number	Diff line number	Diff line change
`@@ -397,11 +397,11 @@ int MyMesh::calcRxDelay(float score, uint32_t air_time) const {`
`397`	`397`
`398`	`398`	`uint32_t MyMesh::getRetransmitDelay(const mesh::Packet *packet) {`
`399`	`399`	`uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.tx_delay_factor);`
`400`		`- return getRNG()->nextInt(0, 5*t);`
	`400`	`+ return getRNG()->nextInt(0, 5*t + 1);`
`401`	`401`	`}`
`402`	`402`	`uint32_t MyMesh::getDirectRetransmitDelay(const mesh::Packet *packet) {`
`403`	`403`	`uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.direct_tx_delay_factor);`
`404`		`- return getRNG()->nextInt(0, 5*t);`
	`404`	`+ return getRNG()->nextInt(0, 5*t + 1);`
`405`	`405`	`}`
`406`	`406`
`407`	`407`	`void MyMesh::onAnonDataRecv(mesh::Packet packet, const uint8_t secret, const mesh::Identity &sender,`
Original file line number	Diff line number	Diff line change
`@@ -262,11 +262,11 @@ const char *MyMesh::getLogDateTime() {`
`262`	`262`
`263`	`263`	`uint32_t MyMesh::getRetransmitDelay(const mesh::Packet *packet) {`
`264`	`264`	`uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.tx_delay_factor);`
`265`		`- return getRNG()->nextInt(0, 5*t);`
	`265`	`+ return getRNG()->nextInt(0, 5*t + 1);`
`266`	`266`	`}`
`267`	`267`	`uint32_t MyMesh::getDirectRetransmitDelay(const mesh::Packet *packet) {`
`268`	`268`	`uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.direct_tx_delay_factor);`
`269`		`- return getRNG()->nextInt(0, 5*t);`
	`269`	`+ return getRNG()->nextInt(0, 5*t + 1);`
`270`	`270`	`}`
`271`	`271`
`272`	`272`	`bool MyMesh::allowPacketForward(const mesh::Packet *packet) {`