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https://github.com/logos-messaging/libchat.git
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fa79b1c79c
* chore(nim-bindings): replace dynlib dlopen with plain importc
The dynlib pragma hard-coded a library path and resolved it via dlopen() at
runtime, preventing static linking and forcing a specific load-time path.
Using bare {.importc.} lets consumers choose: link liblibchat dynamically
at link time (--passL:-llibchat) or link it statically into their binary.
* Rust -> Nim ABI (#62)
* Use correct build hook
* force sret like return from rust code for nim compatibility
* Fix target mismatch
* Update usages
* ci: add nim-bindings-test
* fix(nim-bindings): fix ABI mismatch in destroy_* FFI functions and add defer-based cleanup
Nim's C backend silently transforms large struct parameters (>16 bytes) into
pointer parameters when calling importc functions. The destroy_* functions were
declared taking T by value in Rust, but Nim always passed &T — causing Rust to
read garbage from the stack on x86-64 (SIGILL on CI) while accidentally working
on ARM64 macOS due to that ABI coincidentally also using pointers for large structs.
Fix by changing all destroy_* functions to take &mut T and using drop_in_place,
which is the correct idiom for dropping a value through a pointer.
On the Nim side, replace scattered manual destroy calls with defer, which
guarantees cleanup on all exit paths and prevents use-after-destroy bugs.
---------
Co-authored-by: Jazz Turner-Baggs <473256+jazzz@users.noreply.github.com>
57 lines
1.4 KiB
YAML
57 lines
1.4 KiB
YAML
name: CI
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on:
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push:
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branches: [main]
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pull_request:
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branches: [main]
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env:
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CARGO_TERM_COLOR: always
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jobs:
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test:
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name: Test
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- run: rustup update stable && rustup default stable
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- run: cargo build --verbose
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- run: cargo test --verbose
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clippy:
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name: Clippy
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- run: rustup update stable && rustup default stable
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- run: rustup component add clippy
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- run: cargo clippy --all-targets --all-features -- -D warnings
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fmt:
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name: Format
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- run: rustup update stable && rustup default stable
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- run: rustup component add rustfmt
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- run: cargo fmt --all -- --check
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nim-bindings-test:
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name: Nim Bindings Test
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runs-on: ${{ matrix.os }}
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strategy:
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matrix:
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os: [ubuntu-latest, macos-latest]
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steps:
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- uses: actions/checkout@v4
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- run: rustup update stable && rustup default stable
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- name: Install Nim via choosenim
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run: |
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curl https://nim-lang.org/choosenim/init.sh -sSf | sh -s -- -y
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echo "$HOME/.nimble/bin" >> $GITHUB_PATH
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- run: nimble install -dy
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working-directory: nim-bindings
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- run: nimble pingpong
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working-directory: nim-bindings
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