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tools/time: give tm struct as mut reference

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mktime/timegm can modify the timestruct (to normalize the time, e.g.
convert the january 40 to february 9)

to use that feature, we have to give a mutable reference, else the
struct will be copied and the original left untouched

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
This commit is contained in:
Dominik Csapak 2020-09-03 13:37:59 +02:00 committed by Dietmar Maurer
parent c0d2165d75
commit db1da0f645
1 changed files with 6 additions and 4 deletions
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10
proxmox/src/tools/time.rs
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@ -3,10 +3,11 @@ use anyhow::{bail, Error};
/// Safe bindings to libc timelocal
///
/// We set tm_isdst to -1.
pub fn timelocal(mut t: libc::tm) -> Result<i64, Error> {
/// This also normalizes the parameter
pub fn timelocal(t: &mut libc::tm) -> Result<i64, Error> {
t.tm_isdst = -1;
let epoch = unsafe { libc::mktime(&mut t) };
let epoch = unsafe { libc::mktime(t) };
if epoch == -1 {
bail!("libc::mktime failed for {:?}", t);
}
@ -16,10 +17,11 @@ pub fn timelocal(mut t: libc::tm) -> Result<i64, Error> {
/// Safe bindings to libc timegm
///
/// We set tm_isdst to 0.
pub fn timegm(mut t: libc::tm) -> Result<i64, Error> {
/// This also normalizes the parameter
pub fn timegm(t: &mut libc::tm) -> Result<i64, Error> {
t.tm_isdst = 0;
let epoch = unsafe { libc::timegm(&mut t) };
let epoch = unsafe { libc::timegm(t) };
if epoch == -1 {
bail!("libc::timegm failed for {:?}", t);
}