diff --git a/src/main.rs b/src/main.rs index 4e664bb..d02f16e 100644 --- a/src/main.rs +++ b/src/main.rs @@ -5,7 +5,7 @@ mod syscall; mod system; mod uptime; -use std::io::{Write, stdout}; +use std::io::{self, Cursor, Write}; pub use microfetch_lib::UtsName; @@ -81,7 +81,13 @@ fn print_system_info( let cyan = COLORS.cyan; let blue = COLORS.blue; let reset = COLORS.reset; - let system_info = format!(" + + let mut buf = [0u8; 2048]; + let mut cursor = Cursor::new(&mut buf[..]); + + write!( + cursor, + " {cyan} ▟█▖ {blue}▝█▙ ▗█▛ {user_info} ~{reset} {cyan} ▗▄▄▟██▄▄▄▄▄{blue}▝█▙█▛ {cyan}▖ {cyan} {blue}System{reset}  {os_name} {cyan} ▀▀▀▀▀▀▀▀▀▀▀▘{blue}▝██ {cyan}▟█▖ {cyan} {blue}Kernel{reset}  {kernel_version} @@ -90,7 +96,16 @@ fn print_system_info( {blue} ▟█▛{cyan}▗█▖ {cyan}▟█▛ {cyan} {blue}Desktop{reset}  {desktop} {blue} ▝█▛ {cyan}██▖{blue}▗▄▄▄▄▄▄▄▄▄▄▄ {cyan} {blue}Memory{reset}  {memory_usage} {blue} ▝ {cyan}▟█▜█▖{blue}▀▀▀▀▀██▛▀▀▘ {cyan}󱥎 {blue}Storage (/){reset}  {storage} - {cyan} ▟█▘ ▜█▖ {blue}▝█▛ {cyan} {blue}Colors{reset}  {colors}\n"); + {cyan} ▟█▘ ▜█▖ {blue}▝█▛ {cyan} {blue}Colors{reset}  {colors}\n" + )?; - Ok(stdout().write_all(system_info.as_bytes())?) + #[allow(clippy::cast_possible_truncation)] + let len = cursor.position() as usize; + + // Direct syscall to avoid stdout buffering allocation + let written = unsafe { libc::write(libc::STDOUT_FILENO, buf.as_ptr().cast(), len) }; + if written < 0 { + return Err(io::Error::last_os_error().into()); + } + Ok(()) }