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src: fix compiler warning in udp_wrap.cc

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Currently the following compiler warning is generated:
1 warning generated.
../src/udp_wrap.cc:238:12: warning: comparison of integers of different
signs: 'int' and 'uint32_t' (aka 'unsigned int') [-Wsign-compare]
  if (size != args[0].As<Uint32>()->Value()) {
      ~~~~ ^  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.

This commit changes the check to see that the Uint32 value does not
exceed the max int size instead of first casting and then comparing.

PR-URL: https://github.com/nodejs/node/pull/15402
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
This commit is contained in:
Daniel Bevenius
2017-09-14 08:36:37 +02:00
parent 602fd36d95
commit 87bdddaf41
1 changed files with 2 additions and 2 deletions
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4
src/udp_wrap.cc
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@@ -234,9 +234,8 @@ void UDPWrap::BufferSize(const FunctionCallbackInfo<Value>& args) {
CHECK(args[0]->IsUint32());
CHECK(args[1]->IsUint32());
int size = static_cast<int>(args[0].As<Uint32>()->Value());
if (size != args[0].As<Uint32>()->Value()) {
if (!args[0]->IsInt32()) {
if (args[1].As<Uint32>()->Value() == 0)
return env->ThrowUVException(EINVAL, "uv_recv_buffer_size");
else
@@ -244,6 +243,7 @@ void UDPWrap::BufferSize(const FunctionCallbackInfo<Value>& args) {
}
int err;
int size = static_cast<int>(args[0].As<Uint32>()->Value());
if (args[1].As<Uint32>()->Value() == 0) {
err = uv_recv_buffer_size(reinterpret_cast<uv_handle_t*>(&wrap->handle_),
&size);