1 files changed, 24 insertions, 0 deletions
diff --git a/usr.sbin/unbound/ldns/compat/calloc.c b/usr.sbin/unbound/ldns/compat/calloc.c
new file mode 100644
index 00000000000..c86b956757f
--- /dev/null
+++ b/usr.sbin/unbound/ldns/compat/calloc.c
@@ -0,0 +1,24 @@
+/* Just a replacement, if the original malloc is not
+   GNU-compliant. See autoconf documentation. */
+
+#if HAVE_CONFIG_H
+#include <ldns/config.h>
+#endif
+
+void *calloc();
+
+#if !HAVE_BZERO && HAVE_MEMSET
+# define bzero(buf, bytes)	((void) memset (buf, 0, bytes))
+#endif
+
+void *
+calloc(size_t num, size_t size)
+{
+	void *new = malloc(num * size);
+	if (!new) {
+		return NULL;
+	}
+	bzero(new, num * size);
+	return new;
+}
+