cast: new limited cast package inspired by Jan Engelhardt's libhx.

[ccan] / ccan / cast / test / compile_fail-cast_signed.c

diff --git a/ccan/cast/test/compile_fail-cast_signed.c b/ccan/cast/test/compile_fail-cast_signed.c
new file mode 100644 (file)
index 0000000..5b182ab
--- /dev/null
+++ b/ccan/cast/test/compile_fail-cast_signed.c
@@ -0,0 +1,16 @@
+#include <ccan/cast/cast.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[])
+{
+       unsigned char *uc;
+#ifdef FAIL
+       int
+#else
+       char
+#endif
+               *p = NULL;
+
+       uc = cast_signed(unsigned char *, p);
+       return 0;
+}