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52 lines
1.3 KiB
52 lines
1.3 KiB
//! Types for, and operations on file descriptors. Useful for mapping
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use super::*;
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/// Raw file-descriptor for standard input
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pub const STDIN_FILENO: RawFd = libc::STDIN_FILENO;
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/// Raw file-descriptor for standard output
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pub const STDOUT_FILENO: RawFd = libc::STDOUT_FILENO;
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/// Raw file-descriptor for standard error
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pub const STDERR_FILENO: RawFd = libc::STDERR_FILENO;
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mod raw;
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use raw::*;
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mod managed;
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mod unmanaged;
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pub use self::{
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managed::*,
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unmanaged::*,
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};
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pub mod memory;
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#[cfg(test)]
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mod tests
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{
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use super::*;
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#[test]
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fn std_in_out_err_fileno()
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{
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#[inline(always)]
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fn test_fileno<const EXPECTED: RawFd>(expected_name: &'static str, got: RawFd)
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{
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assert_eq!(EXPECTED, got, "{expected_name} invalid: expected: {EXPECTED}, got {got}");
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}
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test_fileno::<STDIN_FILENO>("STDIN_FILENO", std::io::stdin().as_raw_fd());
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test_fileno::<STDOUT_FILENO>("STDOUT_FILENO", std::io::stdout().as_raw_fd());
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test_fileno::<STDERR_FILENO>("STDERR_FILENO", std::io::stderr().as_raw_fd());
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}
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#[test]
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fn test_readwrite()
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{
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let mut input = ManagedFD::from(memory::MemoryFile::new().unwrap());
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let mut output = memory::MemoryFile::new().unwrap();
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assert_eq!(std::io::copy(&mut input, &mut output).unwrap(), 0, "Bad read");
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}
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}
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