1 files changed, 8 insertions, 1 deletions
diff --git a/crypto_aead/lilliputaei128v1/ref/test/helpers.h b/crypto_aead/lilliputaei128v1/ref/test/helpers.h
index f4e5208..2cb8e69 100644
--- a/crypto_aead/lilliputaei128v1/ref/test/helpers.h
+++ b/crypto_aead/lilliputaei128v1/ref/test/helpers.h
@@ -10,14 +10,21 @@
 #define ARRAY_NB(A) (sizeof(A)/sizeof(A[0]))
 #define ARRAY_END(A) (A+ARRAY_NB(A))
 
+#define REPORT_DIFFERENCE(VECTOR, ELEMENT) do {                         \
+        fprintf(stderr, "%s: vector %s: %s differs from expected\n",    \
+                __FILE__, (VECTOR), (ELEMENT));                         \
+    } while (0)
+
 
 static inline FILE* open_dump_file(const char *folder, const char* vector, const char *name)
 {
-    char filename[128];
+    size_t filename_len = snprintf(NULL, 0, "%s/%s_%s.txt", folder, vector, name);
+    char filename[filename_len+1];
     snprintf(filename, sizeof(filename), "%s/%s_%s.txt", folder, vector, name);
     return fopen(filename, "w");
 }
 
 
 
+
 #endif /* HELPERS_H */