2 files changed, 2 insertions, 7 deletions

diff --git a/shellsort.c b/shellsort.c
index b19f547..29e6bf8 100644
--- a/shellsort.c
+++ b/shellsort.c
@@ -37,8 +37,7 @@ test(T a[], size_t n)
 {
         for ( size_t i = 1; i < n; ++i ) {
                 if ( a[i - 1] > a[i] ) {
-                        fprintf(stderr, "Error\n");
-                        exit(EXIT_FAILURE);
+                        ERROR("sortierung passt nicht");
                 }
         }
 }
diff --git a/util.h b/util.h
index df602e8..7ede6fd 100644
--- a/util.h
+++ b/util.h
@@ -4,7 +4,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#ifndef NDEBUG
 static void
 error(const char *msg, ...)
 {
@@ -18,10 +17,7 @@ error(const char *msg, ...)
         exit(EXIT_FAILURE);
 }
 
-#       define ERROR(msg) error(msg " in \"%s()\" (%s:%d)", __func__, __FILE__, __LINE__)
-#else
-#       define ERROR(msg) /**/
-#endif
+#define ERROR(msg) error(msg " in \"%s()\" (%s:%d)", __func__, __FILE__, __LINE__)
 
 #ifndef NELEM
 #       define NELEM(x) (sizeof(x) / sizeof(x[0])) /* NOLINT */