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Automatically get size of terminal

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This commit is contained in:
Jeremy Soller 2016-09-29 12:25:43 -06:00
parent 4943ddf955
commit f804ad52e4
3 changed files with 37 additions and 5 deletions
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9
Makefile
View file

@ -64,6 +64,11 @@ else
ifneq ($(kvm),no)
QEMUFLAGS+=-enable-kvm -cpu host
endif
ifeq ($(storage),usb)
QEMUFLAGS+=-device usb-ehci,id=flash_bus -drive id=flash_drive,file=$(KBUILD)/harddrive.bin,format=raw,if=none -device usb-storage,drive=flash_drive,bus=flash_bus.0
else
QEMUFLAGS+=-device ahci,id=ahci -drive id=disk,file=$(KBUILD)/harddrive.bin,format=raw,if=none -device ide-hd,drive=disk,bus=ahci.0
endif
ifeq ($(vga),no)
QEMUFLAGS+=-nographic -vga none
endif
@ -82,10 +87,10 @@ $(KBUILD)/harddrive.bin: $(KBUILD)/kernel $(BUILD)/filesystem.bin bootloader/$(A
nasm -f bin -o $@ -D ARCH_$(ARCH) -ibootloader/$(ARCH)/ bootloader/$(ARCH)/harddrive.asm
qemu: $(KBUILD)/harddrive.bin
$(QEMU) $(QEMUFLAGS) -drive file=$<,format=raw,index=0,media=disk
$(QEMU) $(QEMUFLAGS)
qemu_no_build:
$(QEMU) $(QEMUFLAGS) -drive file=$(KBUILD)/harddrive.bin,format=raw,index=0,media=disk
$(QEMU) $(QEMUFLAGS)
endif
bochs: $(KBUILD)/harddrive.bin

19
drivers/vesad/src/main.rs
View file

@ -113,6 +113,25 @@ impl Scheme for DisplayScheme {
}
}
fn fpath(&self, id: usize, buf: &mut [u8]) -> Result<usize> {
let path_str = if id == 1 {
format!("display:input")
} else {
let console = self.console.borrow();
format!("display:{}/{}", console.w, console.h)
};
let path = path_str.as_bytes();
let mut i = 0;
while i < buf.len() && i < path.len() {
buf[i] = path[i];
i += 1;
}
Ok(i)
}
fn close(&self, _id: usize) -> Result<usize> {
Ok(0)
}

14
programs/login/src/main.rs
View file

@ -9,7 +9,7 @@ use octavo::octavo_digest::sha3::Sha512;
use std::fs::File;
use std::io::{Read, Write};
use std::process::Command;
use std::{env, io, thread};
use std::{env, io, str, thread};
use termion::input::TermRead;
pub struct Passwd<'a> {
@ -61,9 +61,17 @@ pub fn main() {
env::set_current_dir("file:").unwrap();
env::set_var("COLUMNS", "80");
env::set_var("LINES", "30");
env::set_var("TTY", &tty);
{
let mut path = [0; 4096];
if let Ok(count) = syscall::fpath(0, &mut path) {
let path_str = str::from_utf8(&path[..count]).unwrap_or("");
let reference = path_str.split(':').nth(1).unwrap_or("");
let mut parts = reference.split('/');
env::set_var("COLUMNS", parts.next().unwrap_or("80"));
env::set_var("LINES", parts.next().unwrap_or("30"));
}
}
thread::spawn(move || {
let stdin = io::stdin();