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Add -Werror to acceptance builds for C and CPP (#4369)

Browse Source 
Use platform.local.txt to add -Werror to GCC for the build of all
code.  Any warnings on a submitted patch will cause an error.

Several examples and libraries had warnings/errors (missing returns
on functions, types, etc.).  Clean those up with this commit as well.
This commit is contained in:
Earle F. Philhower, III
2018-02-17 18:47:10 -08:00
committed by GitHub
parent ad42ab69c1
commit f9ac524b13
22 changed files with 73 additions and 51 deletions
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13
libraries/Ethernet/src/Dns.cpp
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@ -282,9 +282,12 @@ uint16_t DNSClient::ProcessResponse(uint16_t aTimeout, IPAddress& aAddress)
}
iUdp.read(header, DNS_HEADER_SIZE);
uint16_t header_flags = htons(*((uint16_t*)&header[2]));
uint16_t staging; // Staging used to avoid type-punning warnings
memcpy(&staging, &header[2], sizeof(uint16_t));
uint16_t header_flags = htons(staging);
memcpy(&staging, &header[0], sizeof(uint16_t));
// Check that it's a response to this request
if ( ( iRequestId != (*((uint16_t*)&header[0])) ) ||
if ( ( iRequestId != staging ) ||
((header_flags & QUERY_RESPONSE_MASK) != (uint16_t)RESPONSE_FLAG) )
{
// Mark the entire packet as read
@ -301,7 +304,8 @@ uint16_t DNSClient::ProcessResponse(uint16_t aTimeout, IPAddress& aAddress)
}
// And make sure we've got (at least) one answer
uint16_t answerCount = htons(*((uint16_t*)&header[6]));
memcpy(&staging, &header[6], sizeof(uint16_t));
uint16_t answerCount = htons(staging);
if (answerCount == 0 )
{
// Mark the entire packet as read
@ -310,7 +314,8 @@ uint16_t DNSClient::ProcessResponse(uint16_t aTimeout, IPAddress& aAddress)
}
// Skip over any questions
for (uint16_t i =0; i < htons(*((uint16_t*)&header[4])); i++)
memcpy(&staging, &header[4], sizeof(uint16_t));
for (uint16_t i =0; i < htons(staging); i++)
{
// Skip over the name
uint8_t len;