===================================================================
RCS file: /cvs/cvs/blind/log.c,v
retrieving revision 1.1
retrieving revision 1.7
diff -u -p -r1.1 -r1.7
--- blind/log.c	2022/03/17 09:09:26	1.1
+++ blind/log.c	2022/03/19 06:16:18	1.7
@@ -14,20 +14,29 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <stdio.h>
+#include <stdlib.h>
 #include <stdarg.h>
 #include <syslog.h>
+#include <string.h>
+#include <errno.h>
 #include <time.h>
 
+static int  log_background;
 static int  log_verbose;
 const char *log_procname;
 
-void log_init(int, int);
-void log_setv(int);
-int  log_getv(void);
-void log_info(const char *, ...)
+void	log_init(int, int);
+void	log_setv(int);
+int	log_getv(void);
+void	log_send(const char *, va_list)
+	__attribute__((__format__ (printf, 1, 0)));
+void	log_info(const char *, ...)
 	__attribute__((__format__ (printf, 1, 2)));
-void log_debug(const char *, ...)
+void	log_debug(const char *, ...)
 	__attribute__((__format__ (printf, 1, 2)));
+__dead void log_fatal(const char *, ...)
+	__attribute__((__format__ (printf, 1, 2)));
 
 void
 log_init(int background, int facility)
@@ -37,7 +46,8 @@ log_init(int background, int facility)
 	if (__progname != NULL)
 		log_procname = __progname;
 
-	if (background)
+	log_background = background;
+	if (log_background)
 		openlog(log_procname, LOG_PID | LOG_NDELAY, facility);
 
 	tzset();
@@ -56,12 +66,25 @@ log_getv(void)
 }
 
 void
+log_send(const char *info, va_list ap)
+{
+	if (info != NULL) {
+		if (log_background)
+			vsyslog(LOG_INFO, info, ap);
+		else {
+			vfprintf(stderr, info, ap);
+			fprintf(stderr, "\n");
+		}
+	}
+}
+
+void
 log_info(const char *info, ...)
 {
 	va_list ap;
 
 	va_start(ap, info);
-	vsyslog(LOG_INFO, info, ap);
+	log_send(info, ap);
 	va_end(ap);
 }
 
@@ -72,7 +95,19 @@ log_debug(const char *info, ...)
 
 	if (log_verbose) {
 		va_start(ap, info);
-		vsyslog(LOG_INFO, info, ap);
+		log_send(info, ap);
 		va_end(ap);
 	}
+}
+
+void
+log_fatal(const char *info, ...)
+{
+	va_list ap;
+
+	va_start(ap, info);
+	log_send(info, ap);
+	va_end(ap);
+	log_info("%s", strerror(errno));
+	exit(1);
 }