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api2/node/time: replace mem::uninitialized 

and fixup use statements

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2019-08-22 11:14:01 +02:00
parent 48b85e8e3b
commit f3a8d1d7e0
1 changed files with 19 additions and 15 deletions
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34
src/api2/node/time.rs
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@ -1,13 +1,14 @@
use failure::*;
use proxmox::tools::fs::{file_read_firstline, file_set_contents};
use crate::api_schema::*;
use crate::api_schema::router::*;
use crate::api2::types::*;
use serde_json::{json, Value};
use std::mem::{self, MaybeUninit};
use chrono::prelude::*;
use failure::*;
use serde_json::{json, Value};
use proxmox::tools::fs::{file_read_firstline, file_set_contents};
use crate::api2::types::*;
use crate::api_schema::router::*;
use crate::api_schema::*;
fn read_etc_localtime() -> Result<String, Error> {
// use /etc/timezone
@ -16,15 +17,22 @@ fn read_etc_localtime() -> Result<String, Error> {
}
// otherwise guess from the /etc/localtime symlink
let mut buf: [u8; 64] = unsafe { std::mem::uninitialized() };
let mut buf = MaybeUninit::<[u8; 64]>::uninit();
let len = unsafe {
libc::readlink("/etc/localtime".as_ptr() as *const _, buf.as_mut_ptr() as *mut _, buf.len())
libc::readlink(
"/etc/localtime".as_ptr() as *const _,
buf.as_mut_ptr() as *mut _,
mem::size_of_val(&buf),
)
};
if len <= 0 {
bail!("failed to guess timezone");
}
let len = len as usize;
buf[len] = 0;
let buf = unsafe {
(*buf.as_mut_ptr())[len] = 0;
buf.assume_init()
};
let link = std::str::from_utf8(&buf[..len])?;
match link.rfind("/zoneinfo/") {
Some(pos) => Ok(link[(pos + 10)..].to_string()),
@ -37,7 +45,6 @@ fn get_time(
_info: &ApiMethod,
_rpcenv: &mut dyn RpcEnvironment,
) -> Result<Value, Error> {
let datetime = Local::now();
let offset = datetime.offset();
let time = datetime.timestamp();
@ -55,7 +62,6 @@ fn set_timezone(
_info: &ApiMethod,
_rpcenv: &mut dyn RpcEnvironment,
) -> Result<Value, Error> {
let timezone = crate::tools::required_string_param(&param, "timezone")?;
let path = std::path::PathBuf::from(format!("/usr/share/zoneinfo/{}", timezone));
@ -75,7 +81,6 @@ fn set_timezone(
}
pub fn router() -> Router {
let route = Router::new()
.get(
ApiMethod::new(
@ -101,6 +106,5 @@ pub fn router() -> Router {
).protected(true).reload_timezone(true)
);
route
}