diff --git a/Cargo.lock b/Cargo.lock
index a3a15435..24243e64 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -39,9 +39,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.53"
+version = "1.0.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94a45b455c14666b85fc40a019e8ab9eb75e3a124e05494f5397122bc9eb06e0"
+checksum = "4361135be9122e0870de935d7c439aef945b9f9ddd4199a553b5270b49c82a27"
 
 [[package]]
 name = "atty"
@@ -105,9 +105,7 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
 dependencies = [
- "lazy_static",
  "memchr",
- "regex-automata",
 ]
 
 [[package]]
@@ -118,9 +116,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "cc"
-version = "1.0.72"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
 
 [[package]]
 name = "cfg-if"
@@ -208,9 +206,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "418d37c8b1d42553c93648be529cb70f920d3baf8ef469b74b9638df426e0b4c"
+checksum = "d39cd93900197114fa1fcb7ae84ca742095eed9442088988ae74fa744e930e77"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
@@ -290,9 +288,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.117"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e74d72e0f9b65b5b4ca49a346af3976df0f9c61d550727f349ecd559f251a26c"
+checksum = "efaa7b300f3b5fe8eb6bf21ce3895e1751d9665086af2d64b42f19701015ff4f"
 
 [[package]]
 name = "libloading"
@@ -306,9 +304,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.14"
+version = "0.4.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
+checksum = "6389c490849ff5bc16be905ae24bc913a9c8892e19b2341dbc175e14c341c2b8"
 dependencies = [
  "cfg-if 1.0.0",
 ]
@@ -370,9 +368,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.9.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
+checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
 
 [[package]]
 name = "pin-project"
@@ -423,9 +421,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.15"
+version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
+checksum = "b4af2ec4714533fcdf07e886f17025ace8b997b9ce51204ee69b6da831c3da57"
 dependencies = [
  "proc-macro2",
 ]
@@ -462,21 +460,15 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.5.4"
+version = "1.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
+checksum = "1a11647b6b25ff05a515cb92c365cec08801e83423a235b51e231e1808747286"
 dependencies = [
  "aho-corasick",
  "memchr",
  "regex-syntax",
 ]
 
-[[package]]
-name = "regex-automata"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
-
 [[package]]
 name = "regex-syntax"
 version = "0.6.25"
@@ -518,9 +510,9 @@ checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
 
 [[package]]
 name = "syn"
-version = "1.0.86"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
+checksum = "ea297be220d52398dcc07ce15a209fce436d361735ac1db700cab3b6cdfb9f54"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -529,9 +521,9 @@ dependencies = [
 
 [[package]]
 name = "termcolor"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
+checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
 dependencies = [
  "winapi-util",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index ae5e0079..8773b7d0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ num-traits = "0.2.14"
 num-derive = "0.3.3"
 bitflags = "1.3.2"
 libloading = "0.7.2"
-bstr = "0.2.17"
+bstr = { version = "0.2.17", default-features = false, features = ["std"] }
 isnt = "0.1.0"
 once_cell = "1.9.0"
 rand = "0.8.4"
@@ -40,7 +40,7 @@ pin-project = "1.0.10"
 [build-dependencies]
 repc = "0.1.1"
 anyhow = "1.0.52"
-bstr = "0.2.17"
+bstr = { version = "0.2.17", default-features = false, features = ["std"] }
 
 #[profile.dev.build-override]
 #opt-level = 3
diff --git a/src/drm/drm/sys.rs b/src/drm/drm/sys.rs
index 62b60729..c0b266d7 100644
--- a/src/drm/drm/sys.rs
+++ b/src/drm/drm/sys.rs
@@ -8,6 +8,7 @@ use crate::drm::drm::{
 };
 use crate::utils::bitflags::BitflagsExt;
 use crate::utils::oserror::OsError;
+use crate::utils::trim::AsciiTrim;
 use ahash::AHashMap;
 use bstr::ByteSlice;
 use std::ffi::CString;
diff --git a/src/libinput.rs b/src/libinput.rs
index fc3337f8..3c1da9de 100644
--- a/src/libinput.rs
+++ b/src/libinput.rs
@@ -19,6 +19,7 @@ use crate::libinput::sys::{
 use crate::udev::UdevError;
 use crate::utils::oserror::OsError;
 use crate::utils::ptr_ext::PtrExt;
+use crate::utils::trim::AsciiTrim;
 use crate::utils::vasprintf::vasprintf_;
 use crate::ErrorFmt;
 use bstr::ByteSlice;
diff --git a/src/main.rs b/src/main.rs
index 97f3bf23..bafdbc4c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -80,6 +80,7 @@ mod ifs;
 mod libinput;
 mod logind;
 mod object;
+mod pango;
 mod pixman;
 mod rect;
 mod render;
@@ -99,7 +100,6 @@ mod wire_xcon;
 mod xcon;
 mod xkbcommon;
 mod xwayland;
-mod pango;
 
 fn main() {
     env_logger::builder()
diff --git a/src/pango.rs b/src/pango.rs
index 4cf4ef65..b1773ab1 100644
--- a/src/pango.rs
+++ b/src/pango.rs
@@ -1,17 +1,17 @@
 #![allow(non_camel_case_types)]
 
+use crate::pango::consts::{CairoFormat, CairoOperator, PangoEllipsizeMode};
 use std::cell::Cell;
 use std::rc::Rc;
 use thiserror::Error;
 use uapi::{c, IntoUstr};
-use crate::pango::consts::{CairoFormat, CairoOperator, PangoEllipsizeMode};
 
 pub mod consts;
 
 include!(concat!(env!("OUT_DIR"), "/pango_tys.rs"));
 
 #[link(name = "cairo")]
-extern {
+extern "C" {
     type cairo_surface_t;
     type cairo_t;
 
@@ -33,18 +33,12 @@ extern {
     fn cairo_destroy(cairo: *mut cairo_t);
 
     fn cairo_set_operator(cr: *mut cairo_t, op: cairo_operator_t);
-    fn cairo_set_source_rgba(
-        cr: *mut cairo_t,
-        red: f64,
-        green: f64,
-        blue: f64,
-        alpha: f64,
-    );
+    fn cairo_set_source_rgba(cr: *mut cairo_t, red: f64, green: f64, blue: f64, alpha: f64);
     fn cairo_move_to(cr: *mut cairo_t, x: f64, y: f64);
 }
 
 #[link(name = "pangocairo-1.0")]
-extern {
+extern "C" {
     type PangoContext_;
 
     fn pango_cairo_create_context(cr: *mut cairo_t) -> *mut PangoContext_;
@@ -52,14 +46,14 @@ extern {
 }
 
 #[link(name = "gobject-2.0")]
-extern {
+extern "C" {
     type GObject;
 
     fn g_object_unref(object: *mut GObject);
 }
 
 #[link(name = "pango-1.0")]
-extern {
+extern "C" {
     type PangoFontDescription_;
     type PangoLayout_;
 
@@ -100,16 +94,18 @@ pub struct CairoImageSurface {
 }
 
 impl CairoImageSurface {
-    pub fn new_image_surface(format: CairoFormat, width: i32, height: i32) -> Result<Rc<Self>, PangoError> {
+    pub fn new_image_surface(
+        format: CairoFormat,
+        width: i32,
+        height: i32,
+    ) -> Result<Rc<Self>, PangoError> {
         unsafe {
             let s = cairo_image_surface_create(format.raw() as _, width as _, height as _);
             let status = cairo_surface_status(s);
             if status != 0 {
                 return Err(PangoError::CreateSurface(status as _));
             }
-            Ok(Rc::new(Self {
-                s,
-            }))
+            Ok(Rc::new(Self { s }))
         }
     }
 
@@ -134,15 +130,11 @@ impl CairoImageSurface {
     }
 
     pub fn height(&self) -> i32 {
-        unsafe {
-            cairo_image_surface_get_height(self.s) as _
-        }
+        unsafe { cairo_image_surface_get_height(self.s) as _ }
     }
 
     pub fn stride(&self) -> i32 {
-        unsafe {
-            cairo_image_surface_get_stride(self.s) as _
-        }
+        unsafe { cairo_image_surface_get_stride(self.s) as _ }
     }
 
     pub fn data(&self) -> Result<&[Cell<u8>], PangoError> {
@@ -177,10 +169,7 @@ impl CairoContext {
             if p.is_null() {
                 return Err(PangoError::CreatePangoCairo);
             }
-            Ok(Rc::new(PangoCairoContext {
-                c: self.clone(),
-                p,
-            }))
+            Ok(Rc::new(PangoCairoContext { c: self.clone(), p }))
         }
     }
 
@@ -247,9 +236,7 @@ impl PangoFontDescription {
     pub fn from_string<'a>(s: impl IntoUstr<'a>) -> Self {
         let s = s.into_ustr();
         Self {
-            s: unsafe {
-                pango_font_description_from_string(s.as_ptr())
-            },
+            s: unsafe { pango_font_description_from_string(s.as_ptr()) },
         }
     }
 }
diff --git a/src/render/ext.rs b/src/render/ext.rs
index ff31ae0a..622a3d13 100644
--- a/src/render/ext.rs
+++ b/src/render/ext.rs
@@ -1,6 +1,7 @@
 use crate::render::egl::sys::{eglQueryString, EGLDeviceEXT, EGLDisplay, EGL_EXTENSIONS};
 use crate::render::egl::PROCS;
 use crate::render::gl::sys::{glGetString, GL_EXTENSIONS};
+use crate::utils::trim::AsciiTrim;
 use ahash::AHashSet;
 use bstr::ByteSlice;
 use std::ffi::CStr;
diff --git a/src/text.rs b/src/text.rs
index 6bcf88b5..cada7e1d 100644
--- a/src/text.rs
+++ b/src/text.rs
@@ -1,11 +1,13 @@
 use crate::format::ARGB8888;
+use crate::pango::consts::{
+    CAIRO_FORMAT_ARGB32, CAIRO_OPERATOR_SOURCE, PANGO_ELLIPSIZE_END, PANGO_SCALE,
+};
+use crate::pango::{CairoImageSurface, PangoError, PangoFontDescription};
 use crate::render::{RenderContext, Texture};
 use crate::theme::Color;
 use crate::RenderError;
 use std::rc::Rc;
 use thiserror::Error;
-use crate::pango::{CairoImageSurface, PangoError, PangoFontDescription};
-use crate::pango::consts::{CAIRO_FORMAT_ARGB32, CAIRO_OPERATOR_SOURCE, PANGO_ELLIPSIZE_END, PANGO_SCALE};
 
 #[derive(Debug, Error)]
 pub enum TextError {
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index 49db84ee..b4a5bd2c 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -21,6 +21,7 @@ pub mod smallmap;
 pub mod stack;
 pub mod syncqueue;
 pub mod tri;
+pub mod trim;
 pub mod vasprintf;
 pub mod vec_ext;
 pub mod vecstorage;
diff --git a/src/utils/trim.rs b/src/utils/trim.rs
new file mode 100644
index 00000000..0c6ba2d2
--- /dev/null
+++ b/src/utils/trim.rs
@@ -0,0 +1,33 @@
+pub trait AsciiTrim {
+    fn trim(&self) -> &[u8];
+    fn trim_start(&self) -> &[u8];
+    fn trim_end(&self) -> &[u8];
+}
+
+impl AsciiTrim for [u8] {
+    fn trim(&self) -> &[u8] {
+        self.trim_start().trim_end()
+    }
+
+    fn trim_start(&self) -> &[u8] {
+        let mut s = self;
+        while let Some((b, r)) = s.split_first() {
+            if !matches!(*b, b' ' | b'\t' | b'\n') {
+                break;
+            }
+            s = r;
+        }
+        s
+    }
+
+    fn trim_end(&self) -> &[u8] {
+        let mut s = self;
+        while let Some((b, r)) = s.split_last() {
+            if !matches!(*b, b' ' | b'\t' | b'\n') {
+                break;
+            }
+            s = r;
+        }
+        s
+    }
+}
diff --git a/src/xkbcommon/mod.rs b/src/xkbcommon/mod.rs
index ba8e8d8d..f909fafd 100644
--- a/src/xkbcommon/mod.rs
+++ b/src/xkbcommon/mod.rs
@@ -13,6 +13,7 @@ use std::ptr;
 use std::rc::Rc;
 
 use crate::utils::ptr_ext::PtrExt;
+use crate::utils::trim::AsciiTrim;
 use thiserror::Error;
 use uapi::{c, OwnedFd};
 
diff --git a/src/xwayland.rs b/src/xwayland.rs
index b2f27425..b8a85451 100644
--- a/src/xwayland.rs
+++ b/src/xwayland.rs
@@ -5,6 +5,7 @@ use crate::client::ClientError;
 use crate::forker::ForkerProxy;
 use crate::ifs::wl_surface::xwindow::Xwindow;
 use crate::ifs::wl_surface::WlSurface;
+use crate::utils::oserror::OsError;
 use crate::utils::tri::Try;
 use crate::wire::WlSurfaceId;
 use crate::xcon::XconError;
@@ -16,7 +17,6 @@ use std::num::ParseIntError;
 use std::rc::Rc;
 use thiserror::Error;
 use uapi::{c, pipe2, Errno, OwnedFd};
-use crate::utils::oserror::OsError;
 
 #[derive(Debug, Error)]
 enum XWaylandError {
@@ -128,7 +128,11 @@ async fn run(
         Ok(p) => p,
         Err(e) => return Err(XWaylandError::Pipe(e.into())),
     };
-    let wm = uapi::socketpair(c::AF_UNIX, c::SOCK_STREAM | c::SOCK_CLOEXEC | c::SOCK_NONBLOCK, 0);
+    let wm = uapi::socketpair(
+        c::AF_UNIX,
+        c::SOCK_STREAM | c::SOCK_CLOEXEC | c::SOCK_NONBLOCK,
+        0,
+    );
     let (wm1, wm2) = match wm {
         Ok(w) => w,
         Err(e) => return Err(XWaylandError::Socketpair(e.into())),
diff --git a/src/xwayland/xwm.rs b/src/xwayland/xwm.rs
index 73d106ee..b71b3333 100644
--- a/src/xwayland/xwm.rs
+++ b/src/xwayland/xwm.rs
@@ -6,20 +6,18 @@ use crate::wire::WlSurfaceId;
 use crate::wire_xcon::{
     ChangeWindowAttributes, ClientMessage, CompositeRedirectSubwindows, ConfigureNotify,
     ConfigureRequest, ConfigureWindow, ConfigureWindowValues, CreateGC, CreateNotify, CreatePixmap,
-    CreateWindow, CreateWindowValues, DestroyNotify, FreeGC, FreePixmap, InternAtom,
-    MapRequest, MapWindow, PutImage, RenderCreateCursor, RenderCreatePicture,
-    SetSelectionOwner,
+    CreateWindow, CreateWindowValues, DestroyNotify, FreeGC, FreePixmap, InternAtom, MapRequest,
+    MapWindow, PutImage, RenderCreateCursor, RenderCreatePicture, SetSelectionOwner,
 };
 use crate::xcon::consts::{
     COMPOSITE_REDIRECT_MANUAL, EVENT_MASK_PROPERTY_CHANGE, EVENT_MASK_SUBSTRUCTURE_NOTIFY,
-    EVENT_MASK_SUBSTRUCTURE_REDIRECT, IMAGE_FORMAT_Z_PIXMAP,
-    WINDOW_CLASS_INPUT_OUTPUT,
+    EVENT_MASK_SUBSTRUCTURE_REDIRECT, IMAGE_FORMAT_Z_PIXMAP, WINDOW_CLASS_INPUT_OUTPUT,
 };
 use crate::xcon::{Event, XEvent, Xcon};
 use crate::xwayland::{XWaylandError, XWaylandEvent};
 use crate::{AsyncQueue, ErrorFmt, State};
 use ahash::AHashMap;
-use futures_util::{FutureExt, select};
+use futures_util::{select, FutureExt};
 use std::mem;
 use std::rc::Rc;
 use uapi::OwnedFd;