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Implement WiFiClient.peek()

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Thanks @miomir1981
This commit is contained in:
me-no-dev
2017-05-22 15:27:34 +03:00
parent 06a76eebe8
commit 88293a4284
2 changed files with 15 additions and 4 deletions
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14
libraries/WiFi/src/WiFiClient.cpp
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@ -237,6 +237,20 @@ int WiFiClient::read(uint8_t *buf, size_t size)
return res;
}
int WiFiClient::peek()
{
if(!available()) {
return -1;
}
uint8_t data = 0;
int res = recv(fd(), &data, 1, MSG_PEEK);
if(res < 0 && errno != EWOULDBLOCK) {
log_e("%d", errno);
stop();
}
return data;
}
int WiFiClient::available()
{
if(!_connected) {