From 935d8b8e68c90ca5fed1c66cc13ee427af2ca0f7 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Tue, 23 May 2017 11:28:56 -0400
Subject: [PATCH] Added oldstyle option.

---
 NEWS       | 3 +++
 advent.txt | 2 ++
 init.c     | 3 ++-
 main.c     | 6 +++++-
 main.h     | 3 +++
 misc.c     | 3 +++
 6 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/NEWS b/NEWS
index 5688644..f1503ba 100644
--- a/NEWS
+++ b/NEWS
@@ -2,3 +2,6 @@
 
 Repository head::
   Forward port of Crowther & Woods's 430-point Adventure 2.5.
+  Added -l option for logging.
+  Added command prompt; -o suppresses this.
+
diff --git a/advent.txt b/advent.txt
index 9b955aa..e4db51c 100644
--- a/advent.txt
+++ b/advent.txt
@@ -28,6 +28,8 @@ on which it originally ran limited filenames to 6 characters.
 
 -l:: Log commands to specified file.
 
+-o:: Old-style.  Restores original interface, no prompt.
+
 == ENVIRONMENT VARIABLES ==
 ADVENTURE::
    Path to the text database file describing Colossal Cave.
diff --git a/init.c b/init.c
index b821a88..a74dd86 100644
--- a/init.c
+++ b/init.c
@@ -173,7 +173,8 @@ static int finish_init(void);
 static void quick_io(void);
 
 void initialise(void) {
-	printf("Initialising...\n");
+	if (oldstyle)
+		printf("Initialising...\n");
 	if(!quick_init()){raw_init(); report(); quick_save();}
 	finish_init();
 }
diff --git a/main.c b/main.c
index c95025a..6841cee 100644
--- a/main.c
+++ b/main.c
@@ -41,6 +41,7 @@ long ABBNUM, ACTSPK[36], AMBER, ATTACK, AXE, BACK, BATTER, BEAR, BIRD, BLOOD, BO
 		VOLCAN, VRBSIZ = 35, VRSION = 25, WATER, WD1, WD1X, WD2, WD2X,
 		WZDARK = false, ZZWORD;
 FILE  *logfp;
+bool oldstyle = false;
 
 extern void initialise();
 extern void score(long);
@@ -63,7 +64,7 @@ int main(int argc, char *argv[]) {
 
 /*  Options. */
 
-	while ((ch = getopt(argc, argv, "l:")) != EOF) {
+	while ((ch = getopt(argc, argv, "l:o")) != EOF) {
 		switch (ch) {
 		case 'l':
 			logfp = fopen(optarg, "w+");
@@ -72,6 +73,9 @@ int main(int argc, char *argv[]) {
 					"advent: can't open logfile %s for write\n",
 					optarg);
 			break;
+		case 'o':
+		    oldstyle = true;
+		    break;
 		}
 	}
 
diff --git a/main.h b/main.h
index 7a1d1c8..fa87d62 100644
--- a/main.h
+++ b/main.h
@@ -1,3 +1,5 @@
+#include <stdbool.h>
+
 #define LINESIZE	100
 
 extern long ABB[], ATAB[], ATLOC[], BLKLIN, DFLAG, DLOC[], FIXED[], HOLDNG,
@@ -5,3 +7,4 @@ extern long ABB[], ATAB[], ATLOC[], BLKLIN, DFLAG, DLOC[], FIXED[], HOLDNG,
 		PARMS[], PLACE[], PTEXT[], RTEXT[], TABSIZ;
 extern signed char INLINE[LINESIZE+1], MAP1[], MAP2[];
 extern FILE *logfp;
+extern bool oldstyle;
diff --git a/misc.c b/misc.c
index b86c5c5..b1f3f83 100644
--- a/misc.c
+++ b/misc.c
@@ -1,3 +1,4 @@
+#include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include "main.h"
@@ -884,6 +885,8 @@ long I, VAL;
 
 	if(MAP2[1] == 0)MPINIT();
 
+	if (!oldstyle && isatty(0))
+	    fputs("> ", stdout);
 	IGNORE(fgets(INLINE+1,sizeof(INLINE)-1,OPENED));
 	if (feof(OPENED)) {
 		if (logfp)
-- 
2.31.1