compiler: header for compiler-specific wrappers.

[ccan] / ccan / compiler / test / compile_fail-printf.c

diff --git a/ccan/compiler/test/compile_fail-printf.c b/ccan/compiler/test/compile_fail-printf.c
new file mode 100644 (file)
index 0000000..670126b
--- /dev/null
+++ b/ccan/compiler/test/compile_fail-printf.c
@@ -0,0 +1,22 @@
+#include <ccan/compiler/compiler.h>
+
+static void PRINTF_ATTRIBUTE(2,3) my_printf(int x, const char *fmt, ...)
+{
+}
+
+int main(int argc, char *argv[])
+{
+       unsigned int i = 0;
+
+       my_printf(1, "Not a pointer "
+#ifdef FAIL
+                 "%p",
+#if !HAVE_ATTRIBUTE_PRINTF
+#error "Unfortunately we don't fail if !HAVE_ATTRIBUTE_PRINTF."
+#endif
+#else
+                 "%i",
+#endif
+                 i);
+       return 0;
+}