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write(), print(), and println() now return number of bytes written.

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The type is long, and negative values indicate errors.  Needs more testing.
http://code.google.com/p/arduino/issues/detail?id=551
This commit is contained in:
David A. Mellis
2011-08-23 19:12:03 -04:00
parent b788ad593f
commit 8059abe581
24 changed files with 290 additions and 174 deletions
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17
libraries/Ethernet/Client.cpp
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@@ -70,19 +70,18 @@ int Client::connect(IPAddress ip, uint16_t port) {
return 1;
}
void Client::write(uint8_t b) {
if (_sock != MAX_SOCK_NUM)
send(_sock, &b, 1);
long Client::write(uint8_t b) {
return write(&b, 1);
}
void Client::write(const char *str) {
if (_sock != MAX_SOCK_NUM)
send(_sock, (const uint8_t *)str, strlen(str));
long Client::write(const char *str) {
return write((const uint8_t *) str, strlen(str));
}
void Client::write(const uint8_t *buf, size_t size) {
if (_sock != MAX_SOCK_NUM)
send(_sock, buf, size);
long Client::write(const uint8_t *buf, size_t size) {
if (_sock == MAX_SOCK_NUM) return -1;
if (!send(_sock, buf, size)) return -2;
return size;
}
int Client::available() {