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From: Lukas Wagner <l.wagner@proxmox.com>
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pbs-devel@lists.proxmox.com
Date: Mon, 11 Dec 2023 14:29:07 +0100
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Subject: [pbs-devel] [PATCH proxmox v2 4/5] time: posix: add epoch_to_rfc2822
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This is the format used in the 'Date' header in mails.
Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>
---
Changes v1 -> v2:
- Fix TZ-dependent test case
proxmox-time/src/posix.rs | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/proxmox-time/src/posix.rs b/proxmox-time/src/posix.rs
index 9c8002a..73a5368 100644
--- a/proxmox-time/src/posix.rs
+++ b/proxmox-time/src/posix.rs
@@ -371,6 +371,15 @@ fn parse_rfc3339_do(input_str: &str) -> Result<i64, Error> {
Ok(epoch)
}
+/// Convert Unix epoch into RFC2822 local time with TZ
+pub fn epoch_to_rfc2822(epoch: i64) -> Result<String, Error> {
+ let localtime = localtime(epoch)?;
+ let locale = Locale::new(libc::LC_ALL, Locale::C)?;
+ let rfc2822_date = strftime_l("%a, %d %b %Y %T %z", &localtime, &locale)?;
+
+ Ok(rfc2822_date)
+}
+
#[test]
fn test_leap_seconds() {
let convert_reconvert = |epoch| {
@@ -490,3 +499,11 @@ fn test_strftime_l() {
assert_eq!(formatted, "Tue, 29 Dec 2020 17:30:00 +0000");
}
+
+#[test]
+fn test_epoch_to_rfc2822() {
+ let epoch = 1609263000;
+ // Output is TZ-dependent, so only verify that it did not fail.
+ // Internally, it uses strftime_l which we test already.
+ assert!(epoch_to_rfc2822(epoch).is_ok());
+}
--
2.39.2