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fix(runtime-c-api) wasmer_instance_call types must matche wasmer_export_func_*_arity #440

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Hywan
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@Hywan Hywan commented May 14, 2019

The wasmer_export_func_params_arity and
wasmer_export_func_returns_arity functions store the arity in a
uint32_t. The wasmer_instance_call expects c_int. There is a
type mismatch here. It's not annoying in C or C++, but in some other
languages that have bindings to C/C++, it can imply useless casting.

This patch changes wasmer_instance_call to expect uint32_t for
params_len and results_len to match the
wasmer_export_func_*_arity functions.

Other patches do the same for wasmer_export_func_params and
wasmer_export_func_returns.

Hywan added 3 commits May 14, 2019 11:46
…t_func_*_arity`.

The `wasmer_export_func_params_arity` and
`wasmer_export_func_returns_arity` functions store the arity in a
`uint32_t`. The `wasmer_instance_call` expects `c_int`. There is a
type mismatch here. It's not annoying in C or C++, but in some other
languages that have bindings to C/C++, it can imply useless casting.

This patch changes `wasmer_instance_call` to expect `uint32_t` for
`params_len` and `results_len` to match the
`wasmer_export_func_*_arity` functions.
@Hywan Hywan added bug Something isn't working 📦 lib-c-api About wasmer-c-api 🧪 tests I love tests labels May 14, 2019
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Hywan commented May 14, 2019

bors try

bors bot added a commit that referenced this pull request May 14, 2019
@Hywan Hywan changed the title fix(runtime-c-api) wasmer_instance_call types matches wasmer_export_func_*_arity fix(runtime-c-api) wasmer_instance_call types must matches wasmer_export_func_*_arity May 14, 2019
@Hywan Hywan changed the title fix(runtime-c-api) wasmer_instance_call types must matches wasmer_export_func_*_arity fix(runtime-c-api) wasmer_instance_call types must matche wasmer_export_func_*_arity May 14, 2019
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bors bot commented May 14, 2019

Hywan added 4 commits May 14, 2019 16:15
The `params_len` argument type of `wasmer_export_func_params_arity`
must be `uint32_t` to match the `wasmer_export_func_*_arity` results,
so that casts are not required.
The `returns_len` argument type of `wasmer_export_func_returns_params`
must be `uint32_t` to match the `wasmer_export_func_returns_arity` results,
so that casts are not required.
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Hywan commented May 14, 2019

bors try

bors bot added a commit that referenced this pull request May 14, 2019
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bors bot commented May 14, 2019

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Hywan commented May 14, 2019

bors r+

bors bot added a commit that referenced this pull request May 14, 2019
440: fix(runtime-c-api) `wasmer_instance_call` types must matche `wasmer_export_func_*_arity` r=Hywan a=Hywan

The `wasmer_export_func_params_arity` and
`wasmer_export_func_returns_arity` functions store the arity in a
`uint32_t`. The `wasmer_instance_call` expects `c_int`. There is a
type mismatch here. It's not annoying in C or C++, but in some other
languages that have bindings to C/C++, it can imply useless casting.

This patch changes `wasmer_instance_call` to expect `uint32_t` for
`params_len` and `results_len` to match the
`wasmer_export_func_*_arity` functions.

Other patches do the same for `wasmer_export_func_params` and
`wasmer_export_func_returns`.

Co-authored-by: Ivan Enderlin <ivan.enderlin@hoa-project.net>
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bors bot commented May 14, 2019

@bors bors bot merged commit 8bd9bbb into wasmerio:master May 14, 2019
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