From 7ef8a7379f7f7d09e71ccae2a0b688c3cd80423f Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Fri, 8 Feb 2019 18:42:39 -0500
Subject: merge sources into single tree

---
 src/nonstd/ASSERT_NONZERO.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/nonstd/ASSERT_NONZERO.c

(limited to 'src/nonstd/ASSERT_NONZERO.c')

diff --git a/src/nonstd/ASSERT_NONZERO.c b/src/nonstd/ASSERT_NONZERO.c
new file mode 100644
index 00000000..24a3f9a9
--- /dev/null
+++ b/src/nonstd/ASSERT_NONZERO.c
@@ -0,0 +1,14 @@
+#include <nonstd/assert.h>
+
+#ifndef NDEBUG
+#define ASSERT_NONZERO(_n) do { \
+	if (!_n) { \
+		struct __constraint_info _ci = {0}; \
+		_ci.func = __func__; \
+		__libc.stdlib.constraint_handler("Undefined behavior: " \
+			"Parameter " #_n " can not be 0", &_ci, ERANGE); \
+	} \
+	} while (0)
+#else
+#define ASSERT_NONZERO(n)
+#endif
-- 
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