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BREAKING: Add Print::availableForWrite method (#7658)

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* Add Print::availableForWrite method

Adds an availableForWrite() method to the Print class, matching current
ArduinoCore-API commit 398e70f188e2b861c10d9ffe5e2bfcb6a4a4f489 .

Hook availableForWrite into the SDFS filesystem (other FSes don't have
this capability built-in).

Fixes #7650

* WiFiClient::availableForWrite proto matching Print

* Fix Netdump signedness warning

* Clean up Serial availableForWrite

This is evidently a breaking change due to the type difference.
Arduino's `availableForWrite` returns an `int`, while the
(multiply-implemented, non-virtual) core `availableForWrite` returned
`size_t`.
This commit is contained in:
Earle F. Philhower, III
2020-10-27 03:55:42 -07:00
committed by GitHub
parent 95de525af9
commit 7f38e141c7
10 changed files with 28 additions and 9 deletions
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2
libraries/ESP8266WiFi/src/WiFiClient.cpp
View File

@ -195,7 +195,7 @@ bool WiFiClient::getSync() const
return _client->getSync();
}
size_t WiFiClient::availableForWrite ()
int WiFiClient::availableForWrite ()
{
return _client? _client->availableForWrite(): 0;
}

2
libraries/ESP8266WiFi/src/WiFiClient.h
View File

@ -86,7 +86,7 @@ public:
static void setLocalPortStart(uint16_t port) { _localPort = port; }
size_t availableForWrite();
int availableForWrite() override;
friend class WiFiServer;