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treewide: break into multiple crates
Signed-off-by: NotAShelf <raf@notashelf.dev> Change-Id: Ifabe7af523ece1354b301b1a321659ee6a6a6964
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16 changed files with 348 additions and 394 deletions
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@ -1,69 +0,0 @@
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use std::{fmt::Write as _, io};
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use crate::{UtsName, syscall::read_file_fast};
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#[must_use]
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#[cfg_attr(feature = "hotpath", hotpath::measure)]
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pub fn get_system_info(utsname: &UtsName) -> String {
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let sysname = utsname.sysname().to_str().unwrap_or("Unknown");
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let release = utsname.release().to_str().unwrap_or("Unknown");
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let machine = utsname.machine().to_str().unwrap_or("Unknown");
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// Pre-allocate capacity: sysname + " " + release + " (" + machine + ")"
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let capacity = sysname.len() + 1 + release.len() + 2 + machine.len() + 1;
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let mut result = String::with_capacity(capacity);
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write!(result, "{sysname} {release} ({machine})").unwrap();
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result
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}
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/// Gets the pretty name of the OS from `/etc/os-release`.
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///
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/// # Errors
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///
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/// Returns an error if `/etc/os-release` cannot be read.
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#[cfg_attr(feature = "hotpath", hotpath::measure)]
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pub fn get_os_pretty_name() -> Result<String, io::Error> {
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// Fast byte-level scanning for PRETTY_NAME=
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const PREFIX: &[u8] = b"PRETTY_NAME=";
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let mut buffer = [0u8; 1024];
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// Use fast syscall-based file reading
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let bytes_read = read_file_fast("/etc/os-release", &mut buffer)?;
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let content = &buffer[..bytes_read];
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let mut offset = 0;
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while offset < content.len() {
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let remaining = &content[offset..];
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// Find newline or end
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let line_end = remaining
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.iter()
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.position(|&b| b == b'\n')
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.unwrap_or(remaining.len());
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let line = &remaining[..line_end];
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if line.starts_with(PREFIX) {
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let value = &line[PREFIX.len()..];
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// Strip quotes if present
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let trimmed = if value.len() >= 2
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&& value[0] == b'"'
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&& value[value.len() - 1] == b'"'
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{
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&value[1..value.len() - 1]
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} else {
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value
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};
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// Convert to String - should be valid UTF-8
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return Ok(String::from_utf8_lossy(trimmed).into_owned());
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}
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offset += line_end + 1;
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}
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Ok("Unknown".to_owned())
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}
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