From 3486df8b7ad11f2768e6bf183ccba92a7778dc6f Mon Sep 17 00:00:00 2001
From: niklas <niklas@openbsd.org>
Date: Sat, 11 Jan 1997 10:01:27 +0000
Subject: [PATCH] Fix PR#2 in a simplistic way.  Handle EOF on all getchar()s

---
 games/adventure/hdr.h    |  3 ++-
 games/adventure/io.c     | 21 ++++++++++++++++++---
 games/adventure/wizard.c |  2 +-
 3 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/games/adventure/hdr.h b/games/adventure/hdr.h
index e56a8ee3bec..0143e561e0f 100644
--- a/games/adventure/hdr.h
+++ b/games/adventure/hdr.h
@@ -55,6 +55,7 @@
 
 /* hdr.h: included by c advent files */
 #include <sys/types.h>
+#include <stdio.h>
 
 int datfd;                              /* message file descriptor      */
 int delhit;
@@ -63,7 +64,7 @@ extern char data_file[];                /* Virtual data file            */
 
 #define TAB     011
 #define LF      012
-#define FLUSHLINE while (getchar()!='\n')
+#define FLUSHLINE do { int c; while ((c = getchar()) != EOF && c != '\n'); } while (0)
 #define FLUSHLF   while (next()!=LF)
 
 int loc,newloc,oldloc,oldlc2,wzdark,gaveup,kq,k,k2;
diff --git a/games/adventure/io.c b/games/adventure/io.c
index 86f0c850820..fb7686ffacc 100644
--- a/games/adventure/io.c
+++ b/games/adventure/io.c
@@ -83,6 +83,9 @@ char **wrd1,**wrd2;                     /* no prompt, usually           */
 				*s=0;
 				return;
 			}
+		    case EOF:
+			printf("user closed input stream, quitting...\n");
+			exit(0);
 		    default:
 			if (++numch>=MAXSTR)    /* string too long      */
 			{       printf("Give me a break!!\n");
@@ -99,10 +102,14 @@ char **wrd1,**wrd2;                     /* no prompt, usually           */
 confirm(mesg)                           /* confirm irreversible action  */
 char *mesg;
 {       register int result;
+	register int c;
 	printf("%s",mesg);              /* tell him what he did         */
-	if (getchar()=='y')             /* was his first letter a 'y'?  */
+	if ((c = getchar())=='y')             /* was his first letter a 'y'?  */
 		result=1;
-	else    result=0;
+	else if (c == EOF) {
+		printf("user closed input stream, quitting...\n");
+		exit(0);
+	} else result=0;
 	FLUSHLINE;
 	return(result);
 }
@@ -110,12 +117,16 @@ char *mesg;
 yes(x,y,z)                              /* confirm with rspeak          */
 int x,y,z;
 {       register int result;
-	register char ch;
+	register int ch;
 	for (;;)
 	{       rspeak(x);                     /* tell him what we want*/
 		if ((ch=getchar())=='y')
 			result=TRUE;
 		else if (ch=='n') result=FALSE;
+		else if (ch == EOF) {
+			printf("user closed input stream, quitting...\n");
+			exit(0);
+		}
 		FLUSHLINE;
 		if (ch=='y'|| ch=='n') break;
 		printf("Please answer the question.\n");
@@ -134,6 +145,10 @@ int x,y,z;
 		if ((ch=getchar())=='y')
 			result=TRUE;
 		else if (ch=='n') result=FALSE;
+		else if (ch == EOF) {
+			printf("user closed input stream, quitting...\n");
+			exit(0);
+		}
 		FLUSHLINE;
 		if (ch=='y'|| ch=='n') break;
 		printf("Please answer the question.\n");
diff --git a/games/adventure/wizard.c b/games/adventure/wizard.c
index 2ff3f5f798b..4722391ebe8 100644
--- a/games/adventure/wizard.c
+++ b/games/adventure/wizard.c
@@ -120,7 +120,7 @@ char *cmdfile;
 
 	printf("What would you like to call the saved version?\n");
 	for (c=fname;; c++)
-		if ((*c=getchar())=='\n') break;
+		if ((*c=getchar())=='\n' || *c == EOF) break;
 	*c=0;
 	if (save(fname) != 0) return;           /* Save failed */
 	printf("To resume, say \"adventure %s\".\n", fname);
-- 
2.20.1