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crypto: declare int return type for set_field #17468

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danbev
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@danbev danbev commented Dec 5, 2017 •
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This commit updates the set_field function pointer to return an int, and
also updates the lambdas with a return statement.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines
Affected core subsystem(s)

src

@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. crypto Issues and PRs related to the crypto subsystem. labels Dec 5, 2017
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danbev commented Dec 5, 2017

CI: https://ci.nodejs.org/job/node-test-pull-request/11886/

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The DH_set0_key() in src/node_crypto.cc is a backwards compatibility shim for the function of the same name in openssl 1.1.0, where it returns int.

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danbev commented Dec 6, 2017

The DH_set0_key() in src/node_crypto.cc is a backwards compatibility shim for the function of the same name in openssl 1.1.0, where it returns int.

Ah I see that now, thanks for clarifying!

Is there a reason for not declaring the return type for the function pointer? I've added a commit with what I mean.

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LGTM with a suggestion.

src/node_crypto.cc Outdated
@@ -5107,12 +5107,13 @@ void DiffieHellman::SetKey(const v8::FunctionCallbackInfo<v8::Value>& args,
BN_bin2bn(reinterpret_cast<unsigned char*>(Buffer::Data(args[0])),
Buffer::Length(args[0]), nullptr);
CHECK_NE(num, nullptr);
set_field(dh->dh, num);
USE(set_field(dh->dh, num));
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Since you're threading through the return value, you might as well CHECK_EQ(1, set_field(dh->dh, num));.

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Sounds good, I'll add the check. Thanks

danbev added 2 commits December 7, 2017 07:50
@danbev
crypto: declare int return type for set_field
1995452 
This commit updates the set_field function pointer to return an int, and
also updates the lambdas with a return statement.
@danbev
squash: add check of return value
0a1bfc1
@danbev danbev force-pushed the crypto_dh_set0_key_void branch from acbe9e6 to 0a1bfc1 Compare December 7, 2017 06:55
@danbev danbev changed the title crypto: make DH_set0_key void crypto: declare int return type for set_field Dec 7, 2017
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danbev commented Dec 7, 2017

CI: https://ci.nodejs.org/job/node-test-pull-request/11937/

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danbev commented Dec 8, 2017

Landed in abc2801

@danbev danbev closed this Dec 8, 2017
danbev added a commit that referenced this pull request Dec 8, 2017
@danbev
crypto: declare int return type for set_field
abc2801 
This commit updates the set_field function pointer to return an int, and
also updates the lambdas with a return statement.

PR-URL: #17468
Reviewed-By: Ben Noordhuis <[email protected]>
@danbev danbev deleted the crypto_dh_set0_key_void branch December 8, 2017 06:22
MylesBorins pushed a commit that referenced this pull request Dec 12, 2017
@danbev @MylesBorins
crypto: declare int return type for set_field
2edfe98 
This commit updates the set_field function pointer to return an int, and
also updates the lambdas with a return statement.

PR-URL: #17468
Reviewed-By: Ben Noordhuis <[email protected]>
MylesBorins pushed a commit that referenced this pull request Dec 12, 2017
@danbev @MylesBorins
crypto: declare int return type for set_field
49402b1 
This commit updates the set_field function pointer to return an int, and
also updates the lambdas with a return statement.

PR-URL: #17468
Reviewed-By: Ben Noordhuis <[email protected]>
@MylesBorins MylesBorins mentioned this pull request Dec 12, 2017
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gibfahn commented Dec 20, 2017

Should this be backported to v8.x-staging? If yes please follow the guide and raise a backport PR, if no let me know or add the dont-land-on label.

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