From 71e220b5f94c8af1ddfbc8e57182d9a51c1f6136 Mon Sep 17 00:00:00 2001 From: Matias Linares Date: Mon, 22 Jun 2020 20:33:24 -0300 Subject: Use MaybeUninit::uninit() in favor of mem::uninitialized() --- src/dotwm.rs | 10 +++++----- src/event.rs | 4 ++-- src/main.rs | 4 ++-- src/safe_x11/mod.rs | 8 ++++---- src/safe_x11/window.rs | 14 +++++++------- 5 files changed, 20 insertions(+), 20 deletions(-) (limited to 'src') diff --git a/src/dotwm.rs b/src/dotwm.rs index 248e969..88951b8 100644 --- a/src/dotwm.rs +++ b/src/dotwm.rs @@ -20,7 +20,7 @@ use desktop::Desktop; use std::ptr; use std::process::exit; -use std::mem::uninitialized; +use std::mem::MaybeUninit; use std::collections::HashMap; use libc::c_int; use libc::c_char; @@ -86,7 +86,7 @@ impl DotWM { let root = unsafe { xlib::XDefaultRootWindow(d) }; unsafe { - let mut attrs: xlib::XSetWindowAttributes = uninitialized(); + let mut attrs: xlib::XSetWindowAttributes = MaybeUninit::uninit().assume_init(); attrs.event_mask = xlib::SubstructureNotifyMask; xlib::XChangeWindowAttributes(d, root, xlib::CWEventMask, &mut attrs); } @@ -134,7 +134,7 @@ impl DotWM { pub fn current_desktop(&self) -> &Desktop { self.desktops.get(self.desktop_idx).unwrap() } - + /// Add a window to the current desktop pub fn add_window(&mut self, w: xlib::Window) { self.current_desktop_mut().add_window(w); @@ -212,14 +212,14 @@ impl DotWM { let old_desktop = &self.desktops[self.desktop_idx]; new_desktop.show_windows(); - // let mut do_not_propagate: xlib::XSetWindowAttributes = unsafe { uninitialized() }; + // let mut do_not_propagate: xlib::XSetWindowAttributes = unsafe { MaybeUninit::uninit().assume_init() }; // let root = root_window(self.display); // do_not_propagate.do_not_propagate_mask = xlib::SubstructureNotifyMask; // change_window_attributes(self.display, root, xlib::CWEventMask, // &mut do_not_propagate); old_desktop.hide_windows(); - // let mut root_mask: xlib::XSetWindowAttributes = unsafe { uninitialized() }; + // let mut root_mask: xlib::XSetWindowAttributes = unsafe { MaybeUninit::uninit().assume_init() }; // root_mask.event_mask = xlib::SubstructureRedirectMask|xlib::ButtonPressMask|xlib::SubstructureNotifyMask|xlib::PropertyChangeMask; // change_window_attributes(self.display, root, xlib::CWEventMask, // &mut root_mask); diff --git a/src/event.rs b/src/event.rs index 9e96146..761e22b 100644 --- a/src/event.rs +++ b/src/event.rs @@ -29,7 +29,7 @@ use libc::{ }; use std::fmt; use std::ptr; -use std::mem::uninitialized; +use std::mem::MaybeUninit; use std::cmp::max; use std::os::unix::io::AsRawFd; @@ -82,7 +82,7 @@ pub unsafe fn select_event(display: *mut Display, x11fd: c_int, listener: &UnixL } let socket_fd = listener.as_raw_fd(); - let mut read_fdset: fd_set = uninitialized(); + let mut read_fdset: fd_set = MaybeUninit::uninit().assume_init(); FD_ZERO(&mut read_fdset); FD_SET(x11fd, &mut read_fdset); diff --git a/src/main.rs b/src/main.rs index fab737a..1f56bf2 100644 --- a/src/main.rs +++ b/src/main.rs @@ -18,7 +18,7 @@ pub mod socket; pub mod desktop; use std::collections::HashMap; -use std::mem::uninitialized; +use std::mem::MaybeUninit; use std::fs; use std::path::{PathBuf}; use std::io::{Read,Write}; @@ -106,7 +106,7 @@ fn main() { Event::Drag(e) => { // We can "compress" the drag notify here. unsafe{ - let mut new_ev = uninitialized(); + let mut new_ev = MaybeUninit::uninit().assume_init(); while xlib::XCheckTypedEvent(dotwm.display, xlib::MotionNotify, &mut new_ev) != 0 {}; }; exec_func(&mut dotwm, &mut bindings, 1, e.state, xlib::XEvent::from(e)); diff --git a/src/safe_x11/mod.rs b/src/safe_x11/mod.rs index a65c132..7dcdce1 100644 --- a/src/safe_x11/mod.rs +++ b/src/safe_x11/mod.rs @@ -29,7 +29,7 @@ use std::ffi::CString; use std::ffi::NulError; use std::ptr; use std::error; -use std::mem::uninitialized; +use std::mem::MaybeUninit; use std::slice; use std::fmt; use libc::c_int; @@ -81,7 +81,7 @@ pub fn x11_fd(display: *mut Display) -> c_int { /// on the main thread. pub fn next_xevent(display: *mut Display) -> XEvent { unsafe { - let mut last_event: XEvent = uninitialized(); + let mut last_event: XEvent = MaybeUninit::uninit().assume_init(); XNextEvent(display, &mut last_event); last_event } @@ -171,7 +171,7 @@ pub fn window_list(display: *mut Display) -> &'static [Window] { let mut children_count: u32 = 0; unsafe { let root_window = XDefaultRootWindow(display); - let mut children: *mut Window = uninitialized(); + let mut children: *mut Window = MaybeUninit::uninit().assume_init(); XQueryTree(display, root_window, &mut root, &mut parent, &mut children, &mut children_count); @@ -201,7 +201,7 @@ fn get_color>>(display: *mut Display, color: T) -> u64{ let screen_num = unsafe { xlib::XDefaultScreen(display) }; let colormap = unsafe { xlib::XDefaultColormap(display, screen_num) }; unsafe { - let mut xcolor: xlib::XColor = uninitialized(); + let mut xcolor: xlib::XColor = MaybeUninit::uninit().assume_init(); let cstr = CString::new(color).unwrap(); xlib::XAllocNamedColor(display, colormap, cstr.as_ptr(), &mut xcolor, &mut xcolor); diff --git a/src/safe_x11/window.rs b/src/safe_x11/window.rs index 6c483d9..78b3bcf 100644 --- a/src/safe_x11/window.rs +++ b/src/safe_x11/window.rs @@ -28,7 +28,7 @@ use x11::xlib::{ }; use std::ptr; -use std::mem::uninitialized; +use std::mem::MaybeUninit; use std::mem::transmute; use std::cmp::{max}; use std::ffi::CString; @@ -54,7 +54,7 @@ fn fixed_with_ratio(x: i32, ratio: f32) -> i32 { fn window_attribs(display: *mut xlib::Display, w: Window) -> XWindowAttributes { unsafe { - let mut attrptr: XWindowAttributes = uninitialized(); + let mut attrptr: XWindowAttributes = MaybeUninit::uninit().assume_init(); XGetWindowAttributes(display, w, &mut attrptr); attrptr } @@ -65,7 +65,7 @@ impl XWindow { /// `None` if the window is the root window. pub fn new(d: *mut xlib::Display, w: Window) -> Option { if w != 0 { - let attrs: XWindowAttributes = unsafe { uninitialized() }; + let attrs: XWindowAttributes = unsafe { MaybeUninit::uninit().assume_init() }; Some(XWindow { display: d, inner: w, @@ -88,7 +88,7 @@ impl XWindow { /// also perform any confirmation dialog with the user. pub fn delete(&self) { // First delete the border window and then the main window. - let mut ev: XClientMessageEvent = unsafe { uninitialized() }; + let mut ev: XClientMessageEvent = unsafe { MaybeUninit::uninit().assume_init() }; ev.type_ = ClientMessage; ev.window = self.inner; ev.format = 32; @@ -143,7 +143,7 @@ impl XWindow { /// Moves the window given an offset from where it is. pub fn move_offset(&self, xoffset: i32, yoffset: i32) { unsafe { - let mut attributes: XWindowAttributes = uninitialized(); + let mut attributes: XWindowAttributes = MaybeUninit::uninit().assume_init(); XGetWindowAttributes(self.display, self.inner, &mut attributes); XMoveWindow(self.display, self.inner, attributes.x + xoffset, @@ -158,7 +158,7 @@ impl XWindow { ptr::read(s) }; let attrs = self.attributes(); - + if x < -attrs.width && x <= screen.width || -attrs.height > y && y <= screen.height { Err("Cannot move the window outside the screen!") } else { @@ -222,7 +222,7 @@ impl XWindow { XMoveResizeWindow(self.display, self.inner, x, y, w, h as u32); } } - + /// Resizes the window a fixed amount within the height and width. pub fn resize(&self, w: i32, h: i32) { let ratio = screen_ratio(self.display); 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