From 17c382d1c9d7236c101418060758d2296cc5e17e Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Sat, 5 Aug 2023 11:51:25 +0000
Subject: Initial commit

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/libtipidee/tipidee_response_header_date_fmt.c | 24 +++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/libtipidee/tipidee_response_header_date_fmt.c

(limited to 'src/libtipidee/tipidee_response_header_date_fmt.c')

diff --git a/src/libtipidee/tipidee_response_header_date_fmt.c b/src/libtipidee/tipidee_response_header_date_fmt.c
new file mode 100644
index 0000000..df19673
--- /dev/null
+++ b/src/libtipidee/tipidee_response_header_date_fmt.c
@@ -0,0 +1,24 @@
+/* ISC license. */
+
+#include <string.h>
+#include <time.h>
+
+#include <skalibs/tai.h>
+#include <skalibs/djbtime.h>
+
+#include <tipidee/response.h>
+
+size_t tipidee_response_header_date_fmt (char *s, size_t max, tain const *stamp)
+{
+  size_t m = 0, l ;
+  struct tm tm ;
+  if (m + 6 > max) return 0 ;
+  if (!localtm_from_tai(&tm, tain_secp(stamp), 0)) return 0 ;
+  memcpy(s, "Date: ", 6) ; m += 6 ;
+  l = strftime(s + m, max - m, "%a, %d %b %Y %T GMT", &tm) ;
+  if (!l) return 0 ;
+  m += l ;
+  if (m + 2 > max) return 0 ;
+  s[m++] = '\r' ; s[m++] = '\n' ;
+  return m ;
+}
-- 
cgit v1.3.1