diff --git a/newlib/examples/hello.c b/newlib/examples/hello.c
index 866da42a..8ef0d79d 100644
--- a/newlib/examples/hello.c
+++ b/newlib/examples/hello.c
@@ -29,6 +29,8 @@
 #define NR_OPEN 10
 #define FS_INIT { [0 ... NR_OPEN-1] = {NULL, 0, 0} }
 
+#define TESTSTR "hello in new file '/bin/test.txt'"
+
 int main(int argc, char** argv)
 {
 	int i, testfile;
@@ -43,25 +45,31 @@ int main(int argc, char** argv)
 
 	teststr = malloc(sizeof(char)*100);
 	if (!teststr)
-		return EFAULT;
+		exit(1);
 
 	testfile = open("/bin/test.txt", O_CREAT | O_EXCL, "wr");
-	if (testfile < 1) 
-		printf("error");
-	write(testfile, "hello in new file '/bin/test.txt'", 34);
+	if (testfile < 1) {
+		printf("error: Was not able to open /bin/test.txt\n");
+		exit(1);
+	}
+	write(testfile, TESTSTR, 34);
 	lseek(testfile, 0, SEEK_SET);
 	read(testfile, teststr, 100);
 	close(testfile);
 
+	printf("read from new file: %s\n", teststr);
+
+	if (strcmp(teststr, TESTSTR))
+		exit(1);
+
 	testdir = opendir("/bin/");
-	if (testdir < 1) 
-		printf("error");
+	if (testdir < 1) {
+		printf("error: Was not able to open /bin directory");
+		exit(1);
+	}
 	testdirent = readdir(testdir);
 	printf("1. Dirent: %s", testdirent->d_name);
 	closedir(testdir);
-	
-
-	printf("read from new file: %s\n", teststr);
 
 	return errno;
 }
diff --git a/newlib/examples/jacobi.c b/newlib/examples/jacobi.c
index 968360e4..e9ab0a84 100644
--- a/newlib/examples/jacobi.c
+++ b/newlib/examples/jacobi.c
@@ -178,8 +178,10 @@ int main(int argc, char **argv)
 
 		if (max < error)
 			max = error;
-			if (error > 0.01f)
-				printf("Result is on position %d wrong (%f != 1.0)\n", i, X[i]);
+		if (error > 0.01f) {
+			printf("Result is on position %d wrong (%f != 1.0)\n", i, X[i]);
+			exit(1);
+		}
 	}
 	printf("maximal error is %f\n", max);