Make all applog at least 80 columns wide obviating the need for spaces at the end of select messages to clear the status line.

main.c

@@ -821,7 +821,7 @@ static void *stage_thread(void *userdata)
 				if (want_longpoll)
 					applog(LOG_WARNING, "New block detected, possible missed longpoll, flushing work queue");
 				else
-					applog(LOG_WARNING, "New block detected, flushing work queue                          ");
+					applog(LOG_WARNING, "New block detected, flushing work queue");
 				/* As we can't flush the work from here, signal
 				 * the wakeup thread to restart all the
 				 * threads */
@@ -1083,7 +1083,7 @@ retry:
 		goto out;
 	} else if (localgen) {
 		localgen = false;
-		applog(LOG_WARNING, "Resumed retrieving work from server           ");
+		applog(LOG_WARNING, "Resumed retrieving work from server");
 	}
 
 	/* wait for 1st response, or get cached response */
@@ -1576,10 +1576,10 @@ static void *longpoll_thread(void *userdata)
 			 * sure it's only done once per new block */
 			if (likely(!strncmp(longpoll_block, blank, 36) ||
 				!strncmp(longpoll_block, current_block, 36))) {
-					applog(LOG_WARNING, "LONGPOLL detected new block, flushing work queue                 ");
+					applog(LOG_WARNING, "LONGPOLL detected new block, flushing work queue");
 					restart_threads(true);
 			} else
-				applog(LOG_WARNING, "LONGPOLL received - new block detected and work flushed already      ");
+				applog(LOG_WARNING, "LONGPOLL received - new block detected and work flushed already");
 		} else {
 			if (failures++ < 10) {
 				sleep(30);

util.c

@@ -68,7 +68,7 @@ void vapplog(int prio, const char *fmt, va_list ap)
 #endif
 	else if (opt_log_output || prio == LOG_WARNING || prio == LOG_ERR) {
 		char *f;
-		int len;
+		int len, i, extra = 0;
 		struct timeval tv = { };
 		struct tm tm, *tm_p;
 
@@ -80,8 +80,10 @@ void vapplog(int prio, const char *fmt, va_list ap)
 		pthread_mutex_unlock(&time_lock);
 
 		len = 40 + strlen(fmt) + 2;
-		f = alloca(len);
-		sprintf(f, "[%d-%02d-%02d %02d:%02d:%02d] %s\n",
+		if (len < 80)
+			extra = 80 - len;
+		f = alloca(len + extra);
+		sprintf(f, "[%d-%02d-%02d %02d:%02d:%02d] %s",
 			tm.tm_year + 1900,
 			tm.tm_mon + 1,
 			tm.tm_mday,
@@ -90,6 +92,9 @@ void vapplog(int prio, const char *fmt, va_list ap)
 			tm.tm_sec,
 			fmt);
 		vfprintf(stderr, f, ap);	/* atomic write to stderr */
+		for (i = 0; i < extra; i++)
+			fprintf(stderr, " ");
+		fprintf(stderr, "\n");
 		fflush(stderr);
 	}
 }