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* [pbs-devel] [PATCH proxmox] tools/time: give tm struct as mut reference
@ 2020-09-03 11:37 Dominik Csapak
  2020-09-04  4:40 ` [pbs-devel] applied: " Dietmar Maurer
  0 siblings, 1 reply; 2+ messages in thread
From: Dominik Csapak @ 2020-09-03 11:37 UTC (permalink / raw)
  To: pbs-devel

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 is necessary for my upcoming series for calendarevents
 proxmox/src/tools/time.rs | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/proxmox/src/tools/time.rs b/proxmox/src/tools/time.rs
index 033e778..50cce01 100644
--- a/proxmox/src/tools/time.rs
+++ b/proxmox/src/tools/time.rs
@@ -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);
     }
-- 
2.20.1





^ permalink raw reply	[flat|nested] 2+ messages in thread

* [pbs-devel] applied: [PATCH proxmox] tools/time: give tm struct as mut reference
  2020-09-03 11:37 [pbs-devel] [PATCH proxmox] tools/time: give tm struct as mut reference Dominik Csapak
@ 2020-09-04  4:40 ` Dietmar Maurer
  0 siblings, 0 replies; 2+ messages in thread
From: Dietmar Maurer @ 2020-09-04  4:40 UTC (permalink / raw)
  To: Proxmox Backup Server development discussion, Dominik Csapak

applied




^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-09-04  4:41 UTC | newest]

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2020-09-03 11:37 [pbs-devel] [PATCH proxmox] tools/time: give tm struct as mut reference Dominik Csapak
2020-09-04  4:40 ` [pbs-devel] applied: " Dietmar Maurer

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