forks/RadioLibSmol
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

RF69 - Fixed incorrect null termination

Browse source
This commit is contained in:
Jan Gromeš 2018-07-13 15:35:10 +02:00
parent 5971d94ae1
commit a4c901e726
1 changed files with 2 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/modules/RF69.cpp
View file

@ -145,19 +145,8 @@ uint8_t RF69::receive(uint8_t* data, size_t len) {
size_t length = _mod->SPIreadRegister(RF69_REG_FIFO);
// read packet data
if(len == 0) {
// argument len equal to zero indicates String call, which means dynamically allocated data array
// dispose of the original and create a new one
delete[] data;
data = new uint8_t[length];
}
_mod->SPIreadRegisterBurst(RF69_REG_FIFO, length, data);
// add terminating null
if(len == 0) {
data[length] = 0;
}
// clear interrupt flags
clearIRQFlags();
@ -166,11 +155,12 @@ uint8_t RF69::receive(uint8_t* data, size_t len) {
uint8_t RF69::receive(String& str, size_t len) {
// create temporary array to store received data
char* data = new char[len];
char* data = new char[0];
uint8_t state = RF69::receive((uint8_t*)data, len);
// if packet was received successfully, copy data into String
if(state == ERR_NONE) {
data[strlen(data) - 1] = 0;
str = String(data);
}