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This commit is contained in:
commit
29a5c87299
4 changed files with 468 additions and 0 deletions
1
.gitignore
vendored
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.gitignore
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/target
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249
Cargo.lock
generated
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249
Cargo.lock
generated
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||||||
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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||||||
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version = 3
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||||||
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||||||
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[[package]]
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||||||
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||||||
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||||||
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checksum = "dfbe277e56a376000877090da837660b4427aad530e3028d44e0bffe4f89a1c1"
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dependencies = [
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||||||
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"gimli",
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||||||
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]
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[[package]]
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||||||
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||||||
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||||||
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[[package]]
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||||||
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||||||
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||||||
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||||||
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dependencies = [
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||||||
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"backtrace",
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||||||
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]
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||||||
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[[package]]
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||||||
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||||||
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||||||
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||||||
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||||||
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dependencies = [
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||||||
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"addr2line",
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||||||
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"cfg-if",
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"libc",
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"miniz_oxide",
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"object",
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"rustc-demangle",
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"windows-targets",
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]
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[[package]]
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||||||
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[[package]]
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||||||
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||||||
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||||||
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dependencies = [
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||||||
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"dlopen_derive",
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||||||
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"lazy_static",
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"libc",
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"winapi",
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||||||
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]
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[[package]]
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||||||
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||||||
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||||||
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||||||
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dependencies = [
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||||||
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"libc",
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||||||
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"quote",
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"syn",
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]
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[[package]]
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||||||
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name = "gimli"
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[[package]]
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name = "lazy_static"
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[[package]]
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name = "libc"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "memchr"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "miniz_oxide"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"adler2",
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]
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[[package]]
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name = "object"
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version = "0.36.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "openlipc_dyn"
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version = "0.1.0"
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dependencies = [
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"anyhow",
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"dlopen",
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"dlopen_derive",
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]
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[[package]]
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name = "proc-macro2"
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dependencies = [
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"unicode-xid",
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]
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[[package]]
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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[[package]]
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-xid",
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]
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[[package]]
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name = "unicode-xid"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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||||||
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[[package]]
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||||||
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name = "winapi"
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||||||
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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||||||
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dependencies = [
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||||||
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"winapi-i686-pc-windows-gnu",
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||||||
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"winapi-x86_64-pc-windows-gnu",
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||||||
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]
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||||||
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||||||
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[[package]]
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||||||
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name = "winapi-i686-pc-windows-gnu"
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||||||
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version = "0.4.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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||||||
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||||||
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[[package]]
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||||||
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name = "winapi-x86_64-pc-windows-gnu"
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||||||
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version = "0.4.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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||||||
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||||||
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[[package]]
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||||||
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name = "windows-targets"
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||||||
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version = "0.52.6"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
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||||||
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dependencies = [
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||||||
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"windows_aarch64_gnullvm",
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||||||
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"windows_aarch64_msvc",
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||||||
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"windows_i686_gnu",
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||||||
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"windows_i686_gnullvm",
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||||||
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"windows_i686_msvc",
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||||||
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"windows_x86_64_gnu",
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||||||
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"windows_x86_64_gnullvm",
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||||||
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"windows_x86_64_msvc",
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||||||
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]
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||||||
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||||||
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[[package]]
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||||||
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name = "windows_aarch64_gnullvm"
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||||||
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version = "0.52.6"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
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||||||
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||||||
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[[package]]
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||||||
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name = "windows_aarch64_msvc"
|
||||||
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version = "0.52.6"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
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||||||
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[[package]]
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||||||
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name = "windows_i686_gnu"
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||||||
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version = "0.52.6"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
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||||||
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[[package]]
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name = "windows_i686_gnullvm"
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||||||
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version = "0.52.6"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
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||||||
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||||||
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[[package]]
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name = "windows_i686_msvc"
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||||||
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version = "0.52.6"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
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||||||
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[[package]]
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name = "windows_x86_64_gnu"
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version = "0.52.6"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
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||||||
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[[package]]
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name = "windows_x86_64_gnullvm"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
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[[package]]
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name = "windows_x86_64_msvc"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
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10
Cargo.toml
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10
Cargo.toml
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[package]
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name = "openlipc_dyn"
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version = "0.1.0"
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authors = ["Dominic Grimm <dominic@dergrimm.net>"]
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edition = "2021"
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[dependencies]
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anyhow = { version = "1.0.93", features = ["backtrace"] }
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dlopen = "0.1.8"
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dlopen_derive = "0.1.4"
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208
src/lib.rs
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208
src/lib.rs
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use anyhow::{bail, Result};
|
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use dlopen::wrapper::{Container, WrapperApi};
|
||||||
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use dlopen_derive::WrapperApi;
|
||||||
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use std::ffi::{CStr, CString};
|
||||||
|
use std::os::raw::{c_char, c_int, c_uint, c_void};
|
||||||
|
|
||||||
|
type LipcType = c_void;
|
||||||
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|
||||||
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type LipcCode = c_uint;
|
||||||
|
|
||||||
|
const LIPC_CODE_LIPC_OK: LipcCode = 0;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_UNKNOWN: LIPCcode = 1;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_INTERNAL: LIPCcode = 2;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_NO_SUCH_SOURCE: LIPCcode = 3;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_OPERATION_NOT_SUPPORTED: LIPCcode = 4;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_OUT_OF_MEMORY: LIPCcode = 5;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_SUBSCRIPTION_FAILED: LIPCcode = 6;
|
||||||
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// const LIPC_CODE_LIPC_ERROR_NO_SUCH_PARAM: LIPCcode = 7;
|
||||||
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// const LIPC_CODE_LIPC_ERROR_NO_SUCH_PROPERTY: LIPCcode = 8;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_ACCESS_NOT_ALLOWED: LIPCcode = 9;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_BUFFER_TOO_SMALL: LIPCcode = 10;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_INVALID_HANDLE: LIPCcode = 11;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_INVALID_ARG: LIPCcode = 12;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_OPERATION_NOT_ALLOWED: LIPCcode = 13;
|
||||||
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// const LIPC_CODE_LIPC_ERROR_PARAMS_SIZE_EXCEEDED: LIPCcode = 14;
|
||||||
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// const LIPC_CODE_LIPC_ERROR_TIMED_OUT: LIPCcode = 15;
|
||||||
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// const LIPC_CODE_LIPC_ERROR_SERVICE_NAME_TOO_LONG: LIPCcode = 16;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_DUPLICATE_SERVICE_NAME: LIPCcode = 17;
|
||||||
|
// const LIPC_CODE_LIPC_ERROR_INIT_DBUS: LIPCcode = 18;
|
||||||
|
// const LIPC_CODE_LIPC_PROP_ERROR_INVALID_STATE: LIPCcode = 256;
|
||||||
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// const LIPC_CODE_LIPC_PROP_ERROR_NOT_INITIALIZED: LIPCcode = 257;
|
||||||
|
// const LIPC_CODE_LIPC_PROP_ERROR_INTERNAL: LIPCcode = 258;
|
||||||
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|
||||||
|
#[derive(WrapperApi)]
|
||||||
|
pub struct LipcApi {
|
||||||
|
#[dlopen_name = "LipcOpenNoName"]
|
||||||
|
lipc_open_no_name: unsafe extern "C" fn() -> *mut LipcType,
|
||||||
|
|
||||||
|
#[dlopen_name = "LipcClose"]
|
||||||
|
lipc_close: unsafe extern "C" fn(lipc: *mut LipcType),
|
||||||
|
|
||||||
|
#[dlopen_name = "LipcGetErrorString"]
|
||||||
|
lipc_get_error_string: unsafe extern "C" fn(code: LipcCode) -> *const c_char,
|
||||||
|
|
||||||
|
#[dlopen_name = "LipcFreeString"]
|
||||||
|
lipc_free_string: unsafe extern "C" fn(string: *mut c_char),
|
||||||
|
|
||||||
|
#[dlopen_name = "LipcGetStringProperty"]
|
||||||
|
lipc_get_string_property: unsafe extern "C" fn(
|
||||||
|
lipc: *mut LipcType,
|
||||||
|
service: *const c_char,
|
||||||
|
property: *const c_char,
|
||||||
|
value: *mut *mut c_char,
|
||||||
|
) -> LipcCode,
|
||||||
|
|
||||||
|
#[dlopen_name = "LipcSetStringProperty"]
|
||||||
|
lipc_set_string_property: unsafe extern "C" fn(
|
||||||
|
lipc: *mut LipcType,
|
||||||
|
service: *const c_char,
|
||||||
|
property: *const c_char,
|
||||||
|
value: *const c_char,
|
||||||
|
) -> LipcCode,
|
||||||
|
|
||||||
|
#[dlopen_name = "LipcGetIntProperty"]
|
||||||
|
lipc_get_int_property: unsafe extern "C" fn(
|
||||||
|
lipc: *mut LipcType,
|
||||||
|
service: *const c_char,
|
||||||
|
property: *const c_char,
|
||||||
|
value: *mut c_int,
|
||||||
|
) -> LipcCode,
|
||||||
|
|
||||||
|
#[dlopen_name = "LipcSetIntProperty"]
|
||||||
|
lipc_set_int_property: unsafe extern "C" fn(
|
||||||
|
lipc: *mut LipcType,
|
||||||
|
service: *const c_char,
|
||||||
|
property: *const c_char,
|
||||||
|
value: c_int,
|
||||||
|
) -> LipcCode,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl LipcApi {
|
||||||
|
const DEFAULT_NAME: &str = "liblipc.so";
|
||||||
|
|
||||||
|
pub fn load(path: Option<&str>) -> Result<Container<Self>> {
|
||||||
|
let name = match path {
|
||||||
|
Some(x) => x,
|
||||||
|
None => Self::DEFAULT_NAME,
|
||||||
|
};
|
||||||
|
let cont: Container<Self> = unsafe { Container::load(name) }?;
|
||||||
|
|
||||||
|
Ok(cont)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct Lipc {
|
||||||
|
api: Container<LipcApi>,
|
||||||
|
conn: *mut LipcType,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Lipc {
|
||||||
|
pub fn new(api: Container<LipcApi>) -> Result<Self> {
|
||||||
|
let lipc = unsafe { (api.lipc_open_no_name)() };
|
||||||
|
if lipc == (std::ptr::null_mut() as *mut c_void) {
|
||||||
|
bail!("Failed to create connection!");
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(Self { api, conn: lipc })
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn load(name: Option<&str>) -> Result<Self> {
|
||||||
|
let api = LipcApi::load(name)?;
|
||||||
|
Self::new(api)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn code_to_result(&self, code: LipcCode) -> Result<()> {
|
||||||
|
if code == LIPC_CODE_LIPC_OK {
|
||||||
|
Ok(())
|
||||||
|
} else {
|
||||||
|
bail!("LIPC error code: {} ({})", self.code_to_string(code)?, code);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn code_to_string(&self, code: LipcCode) -> Result<String> {
|
||||||
|
let cstr = unsafe {
|
||||||
|
let str_ptr = (self.api.lipc_get_error_string)(code);
|
||||||
|
CStr::from_ptr(str_ptr)
|
||||||
|
};
|
||||||
|
|
||||||
|
Ok(String::from(cstr.to_str()?))
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn get_int_prop(&self, service: &str, prop: &str) -> Result<c_int> {
|
||||||
|
let mut val: c_int = 0;
|
||||||
|
let service = CString::new(service)?;
|
||||||
|
let prop = CString::new(prop)?;
|
||||||
|
|
||||||
|
let code = unsafe {
|
||||||
|
(self.api.lipc_get_int_property)(self.conn, service.as_ptr(), prop.as_ptr(), &mut val)
|
||||||
|
};
|
||||||
|
self.code_to_result(code)?;
|
||||||
|
|
||||||
|
Ok(val)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn set_int_prop(&self, service: &str, prop: &str, value: c_int) -> Result<()> {
|
||||||
|
let service = CString::new(service)?;
|
||||||
|
let prop = CString::new(prop)?;
|
||||||
|
|
||||||
|
let code = unsafe {
|
||||||
|
(self.api.lipc_set_int_property)(self.conn, service.as_ptr(), prop.as_ptr(), value)
|
||||||
|
};
|
||||||
|
self.code_to_result(code)?;
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn get_str_prop(&self, service: &str, prop: &str) -> Result<String> {
|
||||||
|
let mut handle: *mut c_char = std::ptr::null_mut();
|
||||||
|
let handle_ptr: *mut *mut c_char = &mut handle;
|
||||||
|
|
||||||
|
let service = CString::new(service)?;
|
||||||
|
let prop = CString::new(prop)?;
|
||||||
|
|
||||||
|
let code = unsafe {
|
||||||
|
(self.api.lipc_get_string_property)(
|
||||||
|
self.conn,
|
||||||
|
service.as_ptr(),
|
||||||
|
prop.as_ptr(),
|
||||||
|
handle_ptr,
|
||||||
|
)
|
||||||
|
};
|
||||||
|
self.code_to_result(code)?;
|
||||||
|
|
||||||
|
let val: String;
|
||||||
|
unsafe {
|
||||||
|
val = CStr::from_ptr(handle).to_str()?.to_string();
|
||||||
|
(self.api.lipc_free_string)(handle);
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(val)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn set_str_prop(&self, service: &str, prop: &str, value: &str) -> Result<()> {
|
||||||
|
let service = CString::new(service)?;
|
||||||
|
let prop = CString::new(prop)?;
|
||||||
|
let value = CString::new(value)?;
|
||||||
|
|
||||||
|
let code = unsafe {
|
||||||
|
(self.api.lipc_set_string_property)(
|
||||||
|
self.conn,
|
||||||
|
service.as_ptr(),
|
||||||
|
prop.as_ptr(),
|
||||||
|
value.as_ptr(),
|
||||||
|
)
|
||||||
|
};
|
||||||
|
self.code_to_result(code)?;
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Drop for Lipc {
|
||||||
|
fn drop(&mut self) {
|
||||||
|
unsafe {
|
||||||
|
(self.api.lipc_close)(self.conn);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue