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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /third_party/rust/winreg/examples/basic_usage.rs
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/winreg/examples/basic_usage.rs')
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1 files changed, 50 insertions, 0 deletions
diff --git a/third_party/rust/winreg/examples/basic_usage.rs b/third_party/rust/winreg/examples/basic_usage.rs
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+// Copyright 2015, Igor Shaula
+// Licensed under the MIT License <LICENSE or
+// http://opensource.org/licenses/MIT>. This file
+// may not be copied, modified, or distributed
+// except according to those terms.
+extern crate winreg;
+use std::path::Path;
+use std::io;
+use winreg::RegKey;
+use winreg::enums::*;
+
+fn main() {
+ println!("Reading some system info...");
+ let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
+ let cur_ver = hklm.open_subkey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion").unwrap();
+ let pf: String = cur_ver.get_value("ProgramFilesDir").unwrap();
+ let dp: String = cur_ver.get_value("DevicePath").unwrap();
+ println!("ProgramFiles = {}\nDevicePath = {}", pf, dp);
+ let info = cur_ver.query_info().unwrap();
+ println!("info = {:?}", info);
+
+ println!("And now lets write something...");
+ let hkcu = RegKey::predef(HKEY_CURRENT_USER);
+ let path = Path::new("Software").join("WinregRsExample1");
+ let key = hkcu.create_subkey(&path).unwrap();
+
+ key.set_value("TestSZ", &"written by Rust").unwrap();
+ let sz_val: String = key.get_value("TestSZ").unwrap();
+ key.delete_value("TestSZ").unwrap();
+ println!("TestSZ = {}", sz_val);
+
+ key.set_value("TestDWORD", &1234567890u32).unwrap();
+ let dword_val: u32 = key.get_value("TestDWORD").unwrap();
+ println!("TestDWORD = {}", dword_val);
+
+ key.set_value("TestQWORD", &1234567891011121314u64).unwrap();
+ let qword_val: u64 = key.get_value("TestQWORD").unwrap();
+ println!("TestQWORD = {}", qword_val);
+
+ key.create_subkey("sub\\key").unwrap();
+ hkcu.delete_subkey_all(&path).unwrap();
+
+ println!("Trying to open nonexistent key...");
+ hkcu.open_subkey(&path)
+ .unwrap_or_else(|e| match e.kind() {
+ io::ErrorKind::NotFound => panic!("Key doesn't exist"),
+ io::ErrorKind::PermissionDenied => panic!("Access denied"),
+ _ => panic!("{:?}", e)
+ });
+}