From 551838cea217e3d9df11dcaea52c42b02449de91 Mon Sep 17 00:00:00 2001
From: NHOrus <jy6x2b32pie9@yahoo.com>
Date: Fri, 7 Jul 2017 11:21:37 +0300
Subject: [PATCH] Deal around newline-only lines pruned to zero-lenght Test for
 that, too

---
 misc.c              | 15 +++++++++++++--
 tests/barehands.chk |  4 ++++
 tests/barehands.log |  3 ++-
 tests/illformed.chk |  6 ++++++
 tests/illformed.log |  1 +
 5 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/misc.c b/misc.c
index 784eb73..cef3651 100644
--- a/misc.c
+++ b/misc.c
@@ -352,7 +352,7 @@ char* get_input()
 
 bool silent_yes()
 {
-    bool outcome;
+    bool outcome = false;
 
     for (;;) {
         char* reply = get_input();
@@ -363,6 +363,11 @@ bool silent_yes()
             exit(EXIT_SUCCESS);
             // LCOV_EXCL_STOP
         }
+        if (strlen(reply) == 0) {
+            free(reply);
+            rspeak(PLEASE_ANSWER);
+            continue;
+        }
 
         char* firstword = (char*) xmalloc(strlen(reply) + 1);
         sscanf(reply, "%s", firstword);
@@ -398,7 +403,7 @@ bool yes(const char* question, const char* yes_response, const char* no_response
 /*  Print message X, wait for yes/no answer.  If yes, print Y and return true;
  *  if no, print Z and return false. */
 {
-    bool outcome;
+    bool outcome = false;
 
     for (;;) {
         speak(question);
@@ -412,6 +417,12 @@ bool yes(const char* question, const char* yes_response, const char* no_response
             // LCOV_EXCL_STOP
         }
 
+        if (strlen(reply) == 0) {
+            free(reply);
+            rspeak(PLEASE_ANSWER);
+            continue;
+        }
+
         char* firstword = (char*) xmalloc(strlen(reply) + 1);
         sscanf(reply, "%s", firstword);
 
diff --git a/tests/barehands.chk b/tests/barehands.chk
index 09ddeda..1c94758 100644
--- a/tests/barehands.chk
+++ b/tests/barehands.chk
@@ -273,6 +273,10 @@ With what?  Your bare hands?
 
 Please answer the question.
 
+> green
+
+Please answer the question.
+
 > n
 
 The dragon looks rather nasty.  You'd best not try to get by.
diff --git a/tests/barehands.log b/tests/barehands.log
index 9f9c408..72fc3de 100644
--- a/tests/barehands.log
+++ b/tests/barehands.log
@@ -50,7 +50,8 @@ drop bird
 extinguish dragon
 kill dragon
 
+green
 n
 kill dragon
 y
-kill dragon
\ No newline at end of file
+kill dragon
diff --git a/tests/illformed.chk b/tests/illformed.chk
index 1a118f2..73ca685 100644
--- a/tests/illformed.chk
+++ b/tests/illformed.chk
@@ -7,6 +7,12 @@ Please answer the question.
 
 Welcome to Adventure!!  Would you like instructions?
 
+> 
+
+Please answer the question.
+
+Welcome to Adventure!!  Would you like instructions?
+
 > y
 
 Somewhere nearby is Colossal Cave, where others have found fortunes in
diff --git a/tests/illformed.log b/tests/illformed.log
index 5e56b4a..13821c4 100644
--- a/tests/illformed.log
+++ b/tests/illformed.log
@@ -1,5 +1,6 @@
 ## Test for various cases not found in walkthroughs.
 foo
+
 y
 seed 1801426495
 version
-- 
2.31.1