From 89b7b67a13ebb7965cc7f13ad0595e2194a2d34c Mon Sep 17 00:00:00 2001
From: Jannis Hoffmann <jannis@fehcom.de>
Date: Wed, 3 Jul 2024 15:48:04 +0200
Subject: add sqmail-4.2.29a

---
 src/newfield.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 src/newfield.c

(limited to 'src/newfield.c')

diff --git a/src/newfield.c b/src/newfield.c
new file mode 100644
index 0000000..6d69ec6
--- /dev/null
+++ b/src/newfield.c
@@ -0,0 +1,59 @@
+#include <unistd.h>
+#include "fmt.h"
+#include "datetime.h"
+#include "stralloc.h"
+#include "date822fmt.h"
+#include "newfield.h"
+
+/* "Date: 26 Sep 1995 04:46:53 -0000\n" */
+stralloc newfield_date = {0};
+/* "Message-ID: <19950926044653.12345.qmail@silverton.berkeley.edu>\n" */
+stralloc newfield_msgid = {0};
+
+static unsigned int datefmt(char *s, datetime_sec when)
+{
+  unsigned int i;
+  unsigned int len;
+  struct datetime dt;
+  datetime_tai(&dt,when);
+  len = 0;
+  i = fmt_str(s,"Date: "); len += i; if (s) s += i;
+  i = date822fmt(s,&dt); len += i; if (s) s += i;
+  return len;
+}
+
+static unsigned int msgidfmt(char *s, char *idhost, int idhostlen, datetime_sec when)
+{
+  unsigned int i;
+  unsigned int len;
+  struct datetime dt;
+  datetime_tai(&dt,when);
+  len = 0;
+  i = fmt_str(s,"Message-ID: <"); len += i; if (s) s += i;
+  i = fmt_uint(s,dt.year + 1900); len += i; if (s) s += i;
+  i = fmt_uint0(s,dt.mon + 1,2); len += i; if (s) s += i;
+  i = fmt_uint0(s,dt.mday,2); len += i; if (s) s += i;
+  i = fmt_uint0(s,dt.hour,2); len += i; if (s) s += i;
+  i = fmt_uint0(s,dt.min,2); len += i; if (s) s += i;
+  i = fmt_uint0(s,dt.sec,2); len += i; if (s) s += i;
+  i = fmt_str(s,"."); len += i; if (s) s += i;
+  i = fmt_uint(s,getpid()); len += i; if (s) s += i;
+  i = fmt_str(s,".qmail@"); len += i; if (s) s += i;
+  i = fmt_strn(s,idhost,idhostlen); len += i; if (s) s += i;
+  i = fmt_str(s,">\n"); len += i; if (s) s += i;
+  return len;
+}
+
+int newfield_datemake(datetime_sec when)
+{
+  if (!stralloc_ready(&newfield_date,datefmt(FMT_LEN,when))) return 0;
+  newfield_date.len = datefmt(newfield_date.s,when);
+  return 1;
+}
+
+int newfield_msgidmake(char *idhost, int idhostlen, datetime_sec when)
+{
+  if (!stralloc_ready(&newfield_msgid,msgidfmt(FMT_LEN,idhost,idhostlen,when))) return 0;
+  newfield_msgid.len = msgidfmt(newfield_msgid.s,idhost,idhostlen,when);
+  return 1;
+}
-- 
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