===================================================================
RCS file: /cvs/cvs/blind/log.c,v
retrieving revision 1.3
retrieving revision 1.8
diff -u -p -r1.3 -r1.8
--- blind/log.c	2022/03/17 10:20:47	1.3
+++ blind/log.c	2022/03/29 20:24:55	1.8
@@ -14,65 +14,77 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <stdio.h>
+#include <errno.h>
 #include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <syslog.h>
 #include <time.h>
 
-static int  log_background;
-static int  log_verbose;
-const char *log_procname;
+static int  log_bgnd;
+static int  log_verb;
+const char *log_name;
 
-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_set(int);
+int	log_get(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)
 {
 	extern char *__progname;
 
 	if (__progname != NULL)
-		log_procname = __progname;
+		log_name = __progname;
 
-	log_background = background;
-	if (log_background)
-		openlog(log_procname, LOG_PID | LOG_NDELAY, facility);
+	log_bgnd = background;
+	if (log_bgnd)
+		openlog(log_name, LOG_PID | LOG_NDELAY, facility);
 
 	tzset();
 }
 
 void
-log_setv(int verb)
+log_set(int verb)
 {
-	log_verbose = verb;
+	log_verb = verb;
 }
 
 int
-log_getv(void)
+log_get(void)
 {
-	return (log_verbose);
+	return (log_verb);
 }
 
 void
+log_send(const char *info, va_list ap)
+{
+	if (info != NULL) {
+		if (log_bgnd)
+			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);
-	
-	if (log_background)
-		vsyslog(LOG_INFO, info, ap);
-	else {
-		vfprintf(stderr, info, ap);
-		fprintf(stderr, "\n");
-	}
-	
+	log_send(info, ap);
 	va_end(ap);
 }
 
@@ -81,16 +93,21 @@ log_debug(const char *info, ...)
 {
 	va_list ap;
 
-	if (log_verbose) {
+	if (log_verb) {
 		va_start(ap, info);
-
-		if (log_background)
-			vsyslog(LOG_INFO, info, ap);
-		else {
-			vfprintf(stderr, info, ap);
-			fprintf(stderr, "\n");
-		}
-		
+		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);
 }