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-rw-r--r--test/test_utils.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/test/test_utils.h b/test/test_utils.h
index 2b470cb..7d33601 100644
--- a/test/test_utils.h
+++ b/test/test_utils.h
@@ -25,6 +25,12 @@
#include <stdio.h>
#include <string.h>
+#ifdef __GNUC__
+# define PUGL_LOG_FUNC(fmt, arg1) __attribute__((format(printf, fmt, arg1)))
+#else
+# define PUGL_LOG_FUNC(fmt, arg1)
+#endif
+
typedef struct {
int samples;
int doubleBuffer;
@@ -37,7 +43,8 @@ typedef struct {
bool errorChecking;
} PuglTestOptions;
-static inline int
+PUGL_LOG_FUNC(1, 2)
+static int
logError(const char* fmt, ...)
{
fprintf(stderr, "error: ");