From 1b8fbbd843ddeb5fc81c9303db9c590a436d499b Mon Sep 17 00:00:00 2001
From: William Casarin <jb55@jb55.com>
Date: Mon, 9 Jul 2018 12:10:32 -0700
Subject: progress

---
 ccan/str/test/compile_fail-isascii.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 ccan/str/test/compile_fail-isascii.c

(limited to 'ccan/str/test/compile_fail-isascii.c')

diff --git a/ccan/str/test/compile_fail-isascii.c b/ccan/str/test/compile_fail-isascii.c
new file mode 100644
index 0000000..3946e0b
--- /dev/null
+++ b/ccan/str/test/compile_fail-isascii.c
@@ -0,0 +1,23 @@
+#define CCAN_STR_DEBUG 1
+#include <ccan/str/str.h>
+
+int main(int argc, char *argv[])
+{
+	(void)argc;
+#ifdef FAIL
+#if !HAVE_BUILTIN_TYPES_COMPATIBLE_P || !HAVE_TYPEOF
+#error We need typeof to check isascii.
+#endif
+	char
+#else
+	unsigned char
+#endif
+		c = argv[0][0];
+
+#ifdef FAIL
+	/* Fake fail on unsigned char platforms. */
+	BUILD_ASSERT((char)255 < 0);
+#endif
+
+	return isascii(c);
+}
-- 
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