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Delete RawFile in favor of File

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This commit is contained in:
jD91mZM2
2018-09-26 19:35:32 +02:00
parent d365813c90
commit 0451fac66c
7 changed files with 84 additions and 193 deletions
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src/header/netdb/linux.rs
+13 -10
View File
@@ -1,24 +1,27 @@
use alloc::string::String;
use c_str::CString;
use header::fcntl;
use platform::rawfile::RawFile;
use platform::rlb::RawLineBuffer;
use platform::Line;
use fs::File;
use io::{BufRead, BufReader};
pub fn get_dns_server() -> String {
let fd = match RawFile::open(
let file = match File::open(
&CString::new("/etc/resolv.conf").unwrap(),
fcntl::O_RDONLY,
0,
fcntl::O_RDONLY
) {
Ok(fd) => fd,
Ok(file) => file,
Err(_) => return String::new(), // TODO: better error handling
};
let mut file = BufReader::new(file);
let mut rlb = RawLineBuffer::new(*fd);
while let Line::Some(line) = rlb.next() {
for line in file.split(b'\n') {
let mut line = match line {
Ok(line) => line,
Err(_) => return String::new() // TODO: pls handle errors
};
if line.starts_with(b"nameserver ") {
return String::from_utf8(line[11..].to_vec()).unwrap_or_default();
line.drain(..11);
return String::from_utf8(line).unwrap_or_default();
}
}
src/header/netdb/redox.rs
+7 -2
View File
@@ -1,7 +1,12 @@
use alloc::string::String;
use c_str::CString;
use platform::rawfile::file_read_all;
use fs::File;
use header::fcntl;
use io::Read;
pub fn get_dns_server() -> String {
String::from_utf8(file_read_all(&CString::new("/etc/net/dns").unwrap()).unwrap()).unwrap()
let mut string = String::new();
let mut file = File::open(&CString::new("/etc/net/dns").unwrap(), fcntl::O_RDONLY).unwrap(); // TODO: error handling
file.read_to_string(&mut string).unwrap(); // TODO: error handling
string
}
src/header/pwd/mod.rs
+15 -12
View File
@@ -3,10 +3,11 @@
use core::ptr;
use c_str::CStr;
use fs::File;
use header::{errno, fcntl};
use platform;
use io::{BufRead, BufReader};
use platform::types::*;
use platform::{Line, RawFile, RawLineBuffer};
use platform;
#[cfg(target_os = "linux")]
mod linux;
@@ -55,26 +56,27 @@ where
// TODO F: FnMut(impl Iterator<Item = &[u8]>) -> bool
F: FnMut(&[&[u8]]) -> bool,
{
let file = match RawFile::open(
let file = match File::open(
unsafe { CStr::from_bytes_with_nul_unchecked(b"/etc/passwd\0") },
fcntl::O_RDONLY,
0,
fcntl::O_RDONLY
) {
Ok(file) => file,
Err(_) => return OptionPasswd::Error,
};
let mut rlb = RawLineBuffer::new(*file);
let file = BufReader::new(file);
loop {
let line = match rlb.next() {
Line::Error => return OptionPasswd::Error,
Line::EOF => return OptionPasswd::NotFound,
Line::Some(line) => line,
for line in file.split(b'\n') {
let line = match line {
Ok(line) => line,
Err(err) => unsafe {
platform::errno = errno::EIO;
return OptionPasswd::Error;
}
};
// Parse into passwd
let mut parts: [&[u8]; 7] = sys::split(line);
let mut parts: [&[u8]; 7] = sys::split(&line);
if !callback(&parts) {
continue;
@@ -145,6 +147,7 @@ where
return OptionPasswd::Found(alloc);
}
OptionPasswd::NotFound
}
#[no_mangle]
src/header/stdio/mod.rs
+6 -29
View File
@@ -271,12 +271,7 @@ pub extern "C" fn fgets(original: *mut c_char, max: c_int, stream: *mut FILE) ->
let (read, exit) = {
let mut buf = match stream.fill_buf() {
Ok(buf) => buf,
Err(err) => {
unsafe {
platform::errno = errno::EIO;
}
return ptr::null_mut();
}
Err(_) => return ptr::null_mut()
};
if buf.is_empty() {
break;
@@ -393,12 +388,7 @@ pub extern "C" fn fread(ptr: *mut c_void, size: size_t, count: size_t, stream: *
) };
match stream.read(buf) {
Ok(bytes) => (bytes as usize / size as usize) as size_t,
Err(err) => {
unsafe {
platform::errno = errno::EIO;
}
0
}
Err(_) => 0
}
}
@@ -523,12 +513,7 @@ pub extern "C" fn fwrite(ptr: *const c_void, size: usize, count: usize, stream:
) };
match stream.write(buf) {
Ok(bytes) => (bytes as usize / size as usize) as size_t,
Err(err) => {
unsafe {
platform::errno = errno::EIO;
}
0
}
Err(_) => 0
}
}
@@ -551,12 +536,8 @@ pub extern "C" fn getc_unlocked(stream: *mut FILE) -> c_int {
let mut buf = [0];
match unsafe { &mut *stream }.read(&mut buf) {
Ok(0) => EOF,
Ok(_) => buf[0] as c_int,
Err(err) => unsafe {
platform::errno = errno::EIO;
EOF
}
Ok(0) | Err(_) => EOF,
Ok(_) => buf[0] as c_int
}
}
@@ -632,12 +613,8 @@ pub extern "C" fn putchar(c: c_int) -> c_int {
#[no_mangle]
pub extern "C" fn putc_unlocked(c: c_int, stream: *mut FILE) -> c_int {
match unsafe { &mut *stream }.write(&[c as u8]) {
Ok(0) => EOF,
Ok(0) | Err(_) => EOF,
Ok(_) => c,
Err(_) => unsafe {
platform::errno = errno::EIO;
EOF
}
}
}
src/platform/mod.rs
-4
View File
@@ -26,10 +26,6 @@ mod sys;
#[path = "redox/mod.rs"]
mod sys;
pub use self::rawfile::RawFile;
pub mod rawfile;
pub use self::rlb::{Line, RawLineBuffer};
pub mod rlb;
src/platform/rawfile.rs
-85
View File
@@ -1,85 +0,0 @@
use alloc::Vec;
use core::ops::Deref;
use super::{types::*, Pal, Sys};
use c_str::CStr;
use header::fcntl;
pub struct RawFile(c_int);
impl RawFile {
pub fn open(path: &CStr, oflag: c_int, mode: mode_t) -> Result<RawFile, ()> {
match Sys::open(path, oflag, mode) {
-1 => Err(()),
n => Ok(RawFile(n)),
}
}
pub fn dup(&self) -> Result<RawFile, ()> {
match Sys::dup(self.0) {
-1 => Err(()),
n => Ok(RawFile(n)),
}
}
pub fn as_raw_fd(&self) -> c_int {
self.0
}
pub fn into_raw_fd(self) -> c_int {
self.0
}
pub fn from_raw_fd(fd: c_int) -> Self {
RawFile(fd)
}
}
impl Drop for RawFile {
fn drop(&mut self) {
let _ = Sys::close(self.0);
}
}
impl Deref for RawFile {
type Target = c_int;
fn deref(&self) -> &c_int {
&self.0
}
}
pub fn file_read_all(path: &CStr) -> Result<Vec<u8>, ()> {
let file = RawFile::open(path, fcntl::O_RDONLY, 0)?;
let mut buf = Vec::new();
let mut len = 0;
loop {
if len >= buf.capacity() {
buf.reserve(32);
unsafe {
let capacity = buf.capacity();
buf.set_len(capacity);
}
}
let read = Sys::read(*file, &mut buf[len..]);
len += read as usize;
if read == 0 {
unsafe {
buf.set_len(len);
}
return Ok(buf);
}
if read < 0 {
unsafe {
buf.set_len(len);
}
return Err(());
}
}
}
src/platform/redox/mod.rs
+43 -51
View File
@@ -2,7 +2,7 @@
use alloc::btree_map::BTreeMap;
use cbitset::BitSet;
use core::fmt::Write;
use core::fmt::Write as WriteFmt;
use core::{mem, ptr, slice};
use spin::{Mutex, MutexGuard, Once};
use syscall::data::Stat as redox_stat;
@@ -12,7 +12,8 @@ use syscall::{self, Result};
use c_str::{CStr, CString};
use fs::File;
use io;
use io::{self, BufReader, SeekFrom};
use io::prelude::*;
use header::dirent::dirent;
use header::errno::{EIO, EINVAL, ENOSYS};
use header::fcntl;
@@ -29,7 +30,7 @@ use header::time::timespec;
use header::unistd::{F_OK, R_OK, SEEK_SET, W_OK, X_OK};
use super::types::*;
use super::{errno, FileReader, FileWriter, Line, Pal, RawFile, RawLineBuffer, Read};
use super::{errno, FileReader, FileWriter, Line, Pal, Read};
mod signal;
mod socket;
@@ -58,9 +59,12 @@ pub struct Sys;
impl Pal for Sys {
fn access(path: &CStr, mode: c_int) -> c_int {
let fd = match RawFile::open(path, fcntl::O_PATH | fcntl::O_CLOEXEC, 0) {
let fd = match File::open(path, fcntl::O_PATH | fcntl::O_CLOEXEC) {
Ok(fd) => fd,
Err(_) => return -1,
Err(_) => unsafe {
errno = EIO;
return -1;
}
};
if mode == F_OK {
return 0;
@@ -171,10 +175,11 @@ impl Pal for Sys {
) -> c_int {
use alloc::Vec;
let fd = match RawFile::open(path, fcntl::O_RDONLY | fcntl::O_CLOEXEC, 0) {
Ok(fd) => fd,
Err(_) => return -1,
let file = match File::open(path, fcntl::O_RDONLY | fcntl::O_CLOEXEC) {
Ok(file) => file,
Err(_) => return -1
};
let mut file = BufReader::new(file);
// Count arguments
let mut len = 0;
@@ -189,27 +194,28 @@ impl Pal for Sys {
let mut read = 0;
while read < 2 {
match Self::read(*fd, &mut shebang) {
0 => break,
i if i < 0 => return -1,
i => read += i,
match file.read(&mut shebang) {
Ok(0) => break,
Ok(i) => read += i,
Err(_) => return -1
}
}
let mut _interpreter_path = None;
let mut _interpreter_file = None;
let mut interpreter_fd = *fd;
let mut interpreter_fd = **file.get_ref();
if &shebang == b"#!" {
match RawLineBuffer::new(*fd).next() {
Line::Error => return -1,
Line::EOF => (),
Line::Some(line) => {
let mut line = Vec::new();
match file.read_until(b'\n', &mut line) {
Err(_) => return -1,
Ok(0) => (),
Ok(_) => {
let mut path = match CString::new(line) {
Ok(path) => path,
Err(_) => return -1,
};
match RawFile::open(&path, fcntl::O_RDONLY | fcntl::O_CLOEXEC, 0) {
match File::open(&path, fcntl::O_RDONLY | fcntl::O_CLOEXEC) {
Ok(file) => {
interpreter_fd = *file;
_interpreter_path = Some(path);
@@ -217,13 +223,13 @@ impl Pal for Sys {
let path_ref = _interpreter_path.as_ref().unwrap();
args.push([path_ref.as_ptr() as usize, path_ref.to_bytes().len()]);
}
},
Err(_) => return -1,
}
}
},
}
}
if Self::lseek(*fd, 0, SEEK_SET) < 0 {
if file.seek(SeekFrom::Start(0)).is_err() {
return -1;
}
@@ -637,7 +643,7 @@ impl Pal for Sys {
let mut exceptfds = unsafe { exceptfds.as_mut() }.map(|s| BitSet::from_ref(&mut s.fds_bits));
let event_path = unsafe { CStr::from_bytes_with_nul_unchecked(b"event:\0") };
let event_file = match RawFile::open(event_path, fcntl::O_RDWR | fcntl::O_CLOEXEC, 0) {
let mut event_file = match File::open(event_path, fcntl::O_RDWR | fcntl::O_CLOEXEC) {
Ok(file) => file,
Err(_) => return -1,
};
@@ -645,15 +651,7 @@ impl Pal for Sys {
for fd in 0..nfds as usize {
macro_rules! register {
($fd:expr, $flags:expr) => {
if Self::write(
*event_file,
&syscall::Event {
id: $fd,
flags: $flags,
data: 0,
},
) < 0
{
if event_file.write(&syscall::Event { id: $fd, flags: $flags, data: 0, }).is_err() {
return -1;
}
};
@@ -678,26 +676,21 @@ impl Pal for Sys {
format!("time:{}", syscall::CLOCK_MONOTONIC).into_bytes(),
)
};
let timeout_file =
match RawFile::open(&timeout_path, fcntl::O_RDWR | fcntl::O_CLOEXEC, 0) {
Ok(file) => file,
Err(_) => return -1,
};
let mut timeout_file = match File::open(&timeout_path, fcntl::O_RDWR | fcntl::O_CLOEXEC) {
Ok(file) => file,
Err(_) => return -1,
};
if Self::write(
*event_file,
&syscall::Event {
id: *timeout_file as usize,
flags: syscall::EVENT_READ,
data: TIMEOUT_TOKEN,
},
) < 0
{
if event_file.write(&syscall::Event {
id: *timeout_file as usize,
flags: syscall::EVENT_READ,
data: TIMEOUT_TOKEN,
}).is_err() {
return -1;
}
let mut time = syscall::TimeSpec::default();
if Self::read(*timeout_file, &mut time) < 0 {
if timeout_file.read(&mut time).is_err() {
return -1;
}
@@ -708,7 +701,7 @@ impl Pal for Sys {
time.tv_nsec -= 1000000000;
}
if Self::write(*timeout_file, &time) < 0 {
if timeout_file.write(&time).is_err() {
return -1;
}
@@ -721,11 +714,10 @@ impl Pal for Sys {
&mut events as *mut _ as *mut u8,
mem::size_of::<syscall::Event>() * events.len()
) };
let read = Self::read(*event_file, &mut events);
if read < 0 {
return -1;
match event_file.read(&mut events) {
Ok(i) => i / mem::size_of::<syscall::Event>(),
Err(_) => return -1
}
read as usize / mem::size_of::<syscall::Event>()
};
let mut total = 0;