From b5cea714148a4954f141be22bee3d240a280a0e4 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 7 Dec 2019 16:29:21 +0000
Subject: [PATCH] log: Provide struct cfgfile_log

This can be used as a logger during config reading.  system_log is not
available yet.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 log.c    |  6 ++++++
 secnet.h | 16 ++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/log.c b/log.c
index e7d974d..3efd289 100644
--- a/log.c
+++ b/log.c
@@ -176,6 +176,12 @@ void cfgfatal(struct cloc loc, cstring_t facility, const char *message, ...)
     va_end(args);
 }
 
+void cfgfile_log__vmsg(void *sst, int class, const char *message, va_list args)
+{
+    struct cfgfile_log *st=sst;
+    vcfgfatal_maybefile(0,st->loc,st->facility,message,args,"\n");
+}
+
 void cfgfile_postreadcheck(struct cloc loc, FILE *f)
 {
     assert(loc.file);
diff --git a/secnet.h b/secnet.h
index c139796..26a0b55 100644
--- a/secnet.h
+++ b/secnet.h
@@ -640,6 +640,22 @@ FORMAT(printf,3,4);
 extern void vslilog_part(struct log_if *lf, int class, const char *message,
 			 va_list) FORMAT(printf,3,0);
 
+void cfgfile_log__vmsg(void *sst, int class, const char *message, va_list);
+struct cfgfile_log {
+    struct log_if log;
+    /* private fields */
+    struct cloc loc;
+    const char *facility;
+};
+static inline void cfgfile_log_init(struct cfgfile_log *cfl,
+				    struct cloc loc, const char *facility)
+{
+    cfl->log.st=cfl;
+    cfl->log.vlogfn=cfgfile_log__vmsg;
+    cfl->loc=loc;
+    cfl->facility=facility;
+}
+
 /* SITE interface */
 
 /* Pretty much a placeholder; allows starting and stopping of processing,
-- 
2.30.2