summaryrefslogtreecommitdiffstats
path: root/toolkit/components/bitsdownload/bits_client/bits/src/wide.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /toolkit/components/bitsdownload/bits_client/bits/src/wide.rs
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/components/bitsdownload/bits_client/bits/src/wide.rs')
-rw-r--r--toolkit/components/bitsdownload/bits_client/bits/src/wide.rs38
1 files changed, 38 insertions, 0 deletions
diff --git a/toolkit/components/bitsdownload/bits_client/bits/src/wide.rs b/toolkit/components/bitsdownload/bits_client/bits/src/wide.rs
new file mode 100644
index 0000000000..c108f8d629
--- /dev/null
+++ b/toolkit/components/bitsdownload/bits_client/bits/src/wide.rs
@@ -0,0 +1,38 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+
+// Minimal null-terminated wide string support from wio.
+
+use std::ffi::{OsStr, OsString};
+use std::os::windows::ffi::{OsStrExt, OsStringExt};
+use std::slice;
+
+pub trait ToWideNull {
+ fn to_wide_null(&self) -> Vec<u16>;
+}
+
+impl<T: AsRef<OsStr>> ToWideNull for T {
+ fn to_wide_null(&self) -> Vec<u16> {
+ self.as_ref().encode_wide().chain(Some(0)).collect()
+ }
+}
+
+pub trait FromWidePtrNull {
+ unsafe fn from_wide_ptr_null(wide: *const u16) -> Self;
+}
+
+impl FromWidePtrNull for OsString {
+ unsafe fn from_wide_ptr_null(wide: *const u16) -> Self {
+ assert!(!wide.is_null());
+
+ for i in 0.. {
+ if *wide.offset(i) == 0 {
+ return Self::from_wide(&slice::from_raw_parts(wide, i as usize));
+ }
+ }
+ unreachable!()
+ }
+}