tools/systemd/tm_editor: add setter/getter for months/years/days

add_* are modeled after add_days

subtract one for set_mon to have a consistent interface for all fields
(i.e. getter/setter return/expect the 'real' number, not the ones
in the tm struct)

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
This commit is contained in:
Dominik Csapak 2020-09-04 14:33:32 +02:00 committed by Dietmar Maurer
parent cf103266b3
commit 48c56024aa

View File

@ -19,6 +19,29 @@ impl TmEditor {
Ok(epoch)
}
/// increases the year by 'years' and resets all smaller fields to their minimum
pub fn add_years(&mut self, years: libc::c_int) -> Result<(), Error> {
if years == 0 { return Ok(()); }
self.t.tm_mon = 0;
self.t.tm_mday = 1;
self.t.tm_hour = 0;
self.t.tm_min = 0;
self.t.tm_sec = 0;
self.t.tm_year += years;
self.normalize_time()
}
/// increases the month by 'months' and resets all smaller fields to their minimum
pub fn add_months(&mut self, months: libc::c_int) -> Result<(), Error> {
if months == 0 { return Ok(()); }
self.t.tm_mday = 1;
self.t.tm_hour = 0;
self.t.tm_min = 0;
self.t.tm_sec = 0;
self.t.tm_mon += months;
self.normalize_time()
}
/// increases the day by 'days' and resets all smaller fields to their minimum
pub fn add_days(&mut self, days: libc::c_int) -> Result<(), Error> {
if days == 0 { return Ok(()); }
@ -30,6 +53,8 @@ impl TmEditor {
}
pub fn year(&self) -> libc::c_int { self.t.tm_year + 1900 } // see man mktime
pub fn month(&self) -> libc::c_int { self.t.tm_mon + 1 }
pub fn day(&self) -> libc::c_int { self.t.tm_mday }
pub fn hour(&self) -> libc::c_int { self.t.tm_hour }
pub fn min(&self) -> libc::c_int { self.t.tm_min }
pub fn sec(&self) -> libc::c_int { self.t.tm_sec }
@ -83,7 +108,7 @@ impl TmEditor {
}
pub fn set_mon(&mut self, v: libc::c_int) -> Result<(), Error> {
self.t.tm_mon = v;
self.t.tm_mon = v - 1;
self.normalize_time()
}