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From f16b3d1ac2edaceb64463f29a3e394a0102aa554 Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Wed, 10 Nov 2010 17:57:11 +0100
Subject: [PATCH 1/2] don't call exit in library

The feof() detection of closed stdin doesn't work anyway.
---
 newt.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/newt.c b/newt.c
index f3f49ff..4e37bc1 100644
--- a/newt.c
+++ b/newt.c
@@ -565,10 +565,7 @@ int newtGetKey(void) {
 	if (key == SLANG_GETKEY_ERROR) {
 	    /* Either garbage was read, or stdin disappeared
 	     * (the parent terminal was proably closed)
-	     * if the latter, die.
 	     */
-	    if (feof(stdin))
-		    exit(1);
 	    if (needResize) {
                 needResize = 0;
 		return NEWT_KEY_RESIZE;
-- 
1.7.3.2

From b8b8a86f22d08216328dffb8d70b3ae67629a905 Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Wed, 10 Nov 2010 18:10:46 +0100
Subject: [PATCH 2/2] return NEWT_EXIT_ERROR from form when stdin disappears

---
 form.c |    9 ++++++++-
 newt.c |   15 ++++++++-------
 newt.h |    3 ++-
 3 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/form.c b/form.c
index 24542a0..5b421fb 100644
--- a/form.c
+++ b/form.c
@@ -841,7 +841,8 @@ newtComponent newtRunForm(newtComponent co) {
 	} else {
 	    return NULL;
 	}
-    }
+    } else if (es.reason == NEWT_EXIT_ERROR)
+	return NULL;
 
     return es.u.co;
 }
@@ -1072,6 +1073,12 @@ void newtFormRun(newtComponent co, struct newtExitStruct * es) {
 		    }
 		}
 
+		if (key == NEWT_KEY_ERROR) {
+		    es->u.watch = -1;
+		    es->reason = NEWT_EXIT_ERROR;
+		    done = 1;
+		}
+
 		if (!done) {
 		    ev.event = EV_KEYPRESS;
 		    ev.u.key = key;
diff --git a/newt.c b/newt.c
index 4e37bc1..ab41dd8 100644
--- a/newt.c
+++ b/newt.c
@@ -555,29 +555,30 @@ static void kmap_trie_fallback(struct kmap_trie_entry *to,
 }
 
 int newtGetKey(void) {
-    int key;
+    int key, lastcode, errors = 0;
     unsigned char *chptr = keyreader_buf, *lastmatch;
-    int lastcode;
     struct kmap_trie_entry *curr = kmap_trie_root;
 
     do {
 	key = getkey();
 	if (key == SLANG_GETKEY_ERROR) {
-	    /* Either garbage was read, or stdin disappeared
-	     * (the parent terminal was proably closed)
-	     */
 	    if (needResize) {
                 needResize = 0;
 		return NEWT_KEY_RESIZE;
             }
 
-	    /* ignore other signals */
+	    /* Ignore other signals, but assume that stdin disappeared (the
+	     * parent terminal was proably closed) if the error persists.
+	     */
+	    if (errors++ > 10)
+		return NEWT_KEY_ERROR;
+
 	    continue;
 	}
 
 	if (key == NEWT_KEY_SUSPEND && suspendCallback)
 	    suspendCallback(suspendCallbackData);
-    } while (key == NEWT_KEY_SUSPEND);
+    } while (key == NEWT_KEY_SUSPEND || key == SLANG_GETKEY_ERROR);
 
     /* Read more characters, matching against the trie as we go */
     lastcode = *chptr = key;
diff --git a/newt.h b/newt.h
index 3111a21..f71ce1e 100644
--- a/newt.h
+++ b/newt.h
@@ -217,7 +217,7 @@ char * newtReflowText(char * text, int width, int flexDown, int flexUp,
 
 struct newtExitStruct {
     enum { NEWT_EXIT_HOTKEY, NEWT_EXIT_COMPONENT, NEWT_EXIT_FDREADY,
-	   NEWT_EXIT_TIMER } reason;
+	   NEWT_EXIT_TIMER, NEWT_EXIT_ERROR } reason;
     union {
 	int watch;
 	int key;
@@ -307,6 +307,7 @@ void newtComponentDestroy(newtComponent co);
 
 /* not really a key, but newtGetKey returns it */
 #define NEWT_KEY_RESIZE			NEWT_KEY_EXTRA_BASE + 113
+#define NEWT_KEY_ERROR			NEWT_KEY_EXTRA_BASE + 114
 
 #define NEWT_ANCHOR_LEFT		(1 << 0)
 #define NEWT_ANCHOR_RIGHT		(1 << 1)
-- 
1.7.3.2