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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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12
libraries/Ethernet/Server.cpp
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@@ -67,18 +67,20 @@ Client Server::available()
return Client(MAX_SOCK_NUM);
}
void Server::write(uint8_t b)
long Server::write(uint8_t b)
{
write(&b, 1);
}
void Server::write(const char *str)
long Server::write(const char *str)
{
write((const uint8_t *)str, strlen(str));
}
void Server::write(const uint8_t *buffer, size_t size)
long Server::write(const uint8_t *buffer, size_t size)
{
long n = 0;
accept();
for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
@@ -86,7 +88,9 @@ void Server::write(const uint8_t *buffer, size_t size)
if (EthernetClass::_server_port[sock] == _port &&
client.status() == SnSR::ESTABLISHED) {
client.write(buffer, size);
n += client.write(buffer, size);
}
}
return n;
}