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-rw-r--r--testsuites/support/include/buffer_test_io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/testsuites/support/include/buffer_test_io.h b/testsuites/support/include/buffer_test_io.h
index 4fd016df6f..29c5946acc 100644
--- a/testsuites/support/include/buffer_test_io.h
+++ b/testsuites/support/include/buffer_test_io.h
@@ -22,11 +22,14 @@ extern "C" {
#if !defined(TESTS_BUFFER_OUTPUT)
+/* do not use iprintf if strict ansi mode */
+#ifndef __STRICT_ANSI__
#undef printf
#define printf(...) \
do { \
iprintf( __VA_ARGS__); \
} while (0)
+#endif
#define rtems_test_exit(_s) \
do { \