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https://github.com/topjohnwu/Magisk.git
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2e4fa6864c
Utf8CStr is in many cases a better string view class than std::string_view, because it provides "view" access to a string buffer that is guaranteed to be null terminated. It also has the additional benefit of being UTF-8 verified and can seemlessly cross FFI boundaries. We would want to start use more Utf8CStr in our existing C++ codebase.
86 lines
2.2 KiB
Rust
86 lines
2.2 KiB
Rust
#![allow(clippy::missing_safety_doc)]
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pub use const_format;
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pub use libc;
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use num_traits::FromPrimitive;
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pub use cstr::{
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FsPathFollow, StrErr, Utf8CStr, Utf8CStrBuf, Utf8CStrBufArr, Utf8CStrBufRef, Utf8CString,
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};
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use cxx_extern::*;
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pub use dir::*;
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pub use ffi::fork_dont_care;
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pub use files::*;
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pub use logging::*;
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pub use misc::*;
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pub use result::*;
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pub mod cstr;
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mod cxx_extern;
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mod dir;
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mod files;
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mod logging;
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mod misc;
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mod mount;
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mod result;
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mod xwrap;
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#[cxx::bridge]
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pub mod ffi {
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#[derive(Copy, Clone)]
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#[repr(i32)]
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#[cxx_name = "LogLevel"]
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pub(crate) enum LogLevelCxx {
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ErrorCxx,
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Error,
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Warn,
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Info,
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Debug,
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}
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unsafe extern "C++" {
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include!("misc.hpp");
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#[cxx_name = "Utf8CStr"]
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type Utf8CStrRef<'a> = &'a crate::cstr::Utf8CStr;
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fn mut_u8_patch(buf: &mut [u8], from: &[u8], to: &[u8]) -> Vec<usize>;
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fn fork_dont_care() -> i32;
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type FnBoolStrStr;
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fn call(self: &FnBoolStrStr, key: &str, value: &str) -> bool;
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type FnBoolStr;
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fn call(self: &FnBoolStr, key: Utf8CStrRef) -> bool;
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}
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extern "Rust" {
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#[cxx_name = "log_with_rs"]
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fn log_from_cxx(level: LogLevelCxx, msg: Utf8CStrRef);
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#[cxx_name = "set_log_level_state"]
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fn set_log_level_state_cxx(level: LogLevelCxx, enabled: bool);
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fn exit_on_error(b: bool);
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fn cmdline_logging();
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fn parse_prop_file_rs(name: Utf8CStrRef, f: &FnBoolStrStr);
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#[cxx_name = "file_readline"]
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fn file_readline_for_cxx(fd: i32, f: &FnBoolStr);
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}
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#[namespace = "rust"]
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extern "Rust" {
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fn xpipe2(fds: &mut [i32; 2], flags: i32) -> i32;
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#[cxx_name = "map_file"]
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fn map_file_for_cxx(path: Utf8CStrRef, rw: bool) -> &'static mut [u8];
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#[cxx_name = "map_file_at"]
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fn map_file_at_for_cxx(fd: i32, path: Utf8CStrRef, rw: bool) -> &'static mut [u8];
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#[cxx_name = "map_fd"]
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fn map_fd_for_cxx(fd: i32, sz: usize, rw: bool) -> &'static mut [u8];
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}
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}
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fn set_log_level_state_cxx(level: ffi::LogLevelCxx, enabled: bool) {
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if let Some(level) = LogLevel::from_i32(level.repr) {
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set_log_level_state(level, enabled)
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}
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}
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