X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace2%2Fbabeltrace.h;h=c94576a7810f825a2cfec808eba94a4f5dc1b191;hp=3f919cf30a6ea65f29caf4b5de8fa6ac30d485e1;hb=8b305066676fc7aa433e8eb668f9de8802008025;hpb=28ba44ad9ca14153e96c94a9100423ea224c1af3

diff --git a/include/babeltrace2/babeltrace.h b/include/babeltrace2/babeltrace.h
index 3f919cf3..c94576a7 100644
--- a/include/babeltrace2/babeltrace.h
+++ b/include/babeltrace2/babeltrace.h
@@ -44,6 +44,23 @@
 # define __BT_UPCAST_CONST(_type, _p)	((const _type *) (_p))
 #endif
 
+/*
+ * Internal: attribute suitable to tag functions as having printf()-like
+ * arguments.
+ *
+ * We always define `__USE_MINGW_ANSI_STDIO` when building with MinGW, so use
+ * `gnu_printf` directly rather than `__MINGW_PRINTF_FORMAT` (which would require
+ * including `stdio.h`).
+ */
+#ifdef __MINGW32__
+# define __BT_PRINTF_FORMAT gnu_printf
+#else
+# define __BT_PRINTF_FORMAT printf
+#endif
+
+#define __BT_ATTR_FORMAT_PRINTF(_string_index, _first_to_check) \
+		__attribute__((format(__BT_PRINTF_FORMAT, _string_index, _first_to_check)))
+
 #include <babeltrace2/error-reporting.h>
 #include <babeltrace2/graph/component-class-dev.h>
 #include <babeltrace2/graph/component-class.h>