From 8651593758a94326ab8942a59ba6bd22db68a733 Mon Sep 17 00:00:00 2001
From: Marian Ohligs <marian.ohligs@rwth-aachen.de>
Date: Mon, 23 May 2011 13:42:26 +0200
Subject: [PATCH 1/2] bug fix in fb.c

---
 arch/x86/kernel/kb.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/kb.c b/arch/x86/kernel/kb.c
index ce377862..7307852e 100644
--- a/arch/x86/kernel/kb.c
+++ b/arch/x86/kernel/kb.c
@@ -109,15 +109,14 @@ static void keyboard_handler(struct state *r)
 		 * you would add 128 to the scancode when you look for it 
 		 */
 		kputchar(kbdus[scancode]);
-		if (kb_buffer.size <= kb_buffer.maxsize) {
+		if (kb_buffer.size <= kb_buffer.maxsize && kb_buffer.buffer != NULL) {
 			memcpy(kb_buffer.buffer + kb_buffer.size, &kbdus[scancode], 1);
 			kb_buffer.size++;
+			if (scancode == 28 || scancode == 15 || kb_buffer.size >= kb_buffer.maxsize) {
+				wakeup_task(kb_buffer.tid);
+				reschedule();
+			}
 		}
-		if (scancode == 28 || scancode == 15 || kb_buffer.size >= kb_buffer.maxsize) {
-			wakeup_task(kb_buffer.tid);
-			reschedule();
-		}
-
 	}
 }
 

From bae6e2df517a2f25b1ba4138cc0ae62d506c0b75 Mon Sep 17 00:00:00 2001
From: Marian Ohligs <marian.ohligs@rwth-aachen.de>
Date: Mon, 23 May 2011 13:47:05 +0200
Subject: [PATCH 2/2] add tiny hangman test

---
 .gitignore                |  1 +
 kernel/tests.c            |  4 ++--
 newlib/examples/Makefile  |  9 ++++++++-
 newlib/examples/hangman.c | 41 +++++++++++++++++++++++++++++++++++++++
 newlib/examples/test      |  4 +++-
 5 files changed, 55 insertions(+), 4 deletions(-)
 create mode 100644 newlib/examples/hangman.c

diff --git a/.gitignore b/.gitignore
index 7c04e4b0..1e9f25b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,7 @@ newlib/examples/hello
 newlib/examples/jacobi
 newlib/examples/echo
 newlib/examples/tests
+newlib/examples/hangman
 newlib/tmp/*
 newlib/x86/*
 metalsvm.elf
diff --git a/kernel/tests.c b/kernel/tests.c
index 4c0d87a9..4ba43b9f 100644
--- a/kernel/tests.c
+++ b/kernel/tests.c
@@ -119,7 +119,7 @@ static int STDCALL join_test(void* arg)
 
 int test_init(void)
 {
-	char* argv[] = {"/bin/hello", NULL};
+	char* argv[] = {"/bin/hangman", NULL};
 
 	sem_init(&producing, 1);
 	sem_init(&consuming, 0);
@@ -131,7 +131,7 @@ int test_init(void)
 	//create_kernel_task(NULL, consumer, NULL);
 	//create_kernel_task(NULL, ping, NULL);
 	//create_user_task(NULL, "/bin/hello", argv);
-	create_user_task(NULL, "/bin/hello", argv);
+	create_user_task(NULL, "/bin/hangman", argv);
 	//create_user_task(NULL, "/bin/jacobi", argv);
 
 	return 0;
diff --git a/newlib/examples/Makefile b/newlib/examples/Makefile
index e1a373f9..f63906cb 100644
--- a/newlib/examples/Makefile
+++ b/newlib/examples/Makefile
@@ -11,7 +11,7 @@ LDFLAGS =
 
 default: all
 	
-all: hello tests jacobi
+all: hello tests jacobi hangman
 
 jacobi: jacobi.o
 	$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS)  $< -lm
@@ -31,6 +31,13 @@ hello: hello.o
 	$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
 	chmod a-x $@.sym
 
+hangman: hangman.o
+	$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $< 
+	$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
+	$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
+	chmod a-x $@.sym
+
+
 clean:
 	$(RM) hello tests *.sym *.o *~ 
 
diff --git a/newlib/examples/hangman.c b/newlib/examples/hangman.c
new file mode 100644
index 00000000..e558b0ef
--- /dev/null
+++ b/newlib/examples/hangman.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int Spiel ()
+{
+    //Variablen
+
+    char* Wort = malloc(100*sizeof(char));
+    char* Raten = malloc(100*sizeof(char));;
+    int Versuche = 10;
+
+    printf("Spieler 1 geben sie das Wort ein :");
+    scanf("%s", Wort);
+
+    printf("\n\nNun, Spieler 2 errate bitte das Wort\n");
+
+    while(Raten!=Wort && Versuche > 0){            
+             printf("Deine Antwort:");
+             scanf("%s", Raten);
+             
+
+             if(!strcmp(Raten,Wort))
+             {
+                 printf("ToLL! Das Wort ist richtig");
+                 return 0;
+             }
+             else
+             {
+                 printf("Schade das Wort ist falsch");
+             }
+	     Versuche--;	
+    }
+         return 0;
+}//Spielen
+
+int main(int argc, char** argv)
+{
+	Spiel();	
+}
+
diff --git a/newlib/examples/test b/newlib/examples/test
index 28d14454..e7cf92e9 100644
--- a/newlib/examples/test
+++ b/newlib/examples/test
@@ -1 +1,3 @@
-123456789
+test
+hallo
+huso