1 files changed, 57 insertions, 0 deletions
diff --git a/lib/isc/include/isc/error.h b/lib/isc/include/isc/error.h
new file mode 100644
index 0000000..4f6fba3
--- /dev/null
+++ b/lib/isc/include/isc/error.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#ifndef ISC_ERROR_H
+#define ISC_ERROR_H 1
+
+/*! \file isc/error.h */
+
+#include <stdarg.h>
+
+#include <isc/formatcheck.h>
+#include <isc/lang.h>
+#include <isc/likely.h>
+#include <isc/platform.h>
+
+ISC_LANG_BEGINDECLS
+
+typedef void (*isc_errorcallback_t)(const char *, int, const char *, va_list);
+
+/*% set unexpected error */
+void isc_error_setunexpected(isc_errorcallback_t);
+
+/*% set fatal error */
+void isc_error_setfatal(isc_errorcallback_t);
+
+/*% unexpected error */
+void
+isc_error_unexpected(const char *, int, const char *, ...)
+	ISC_FORMAT_PRINTF(3, 4);
+
+/*% fatal error */
+ISC_PLATFORM_NORETURN_PRE void
+isc_error_fatal(const char *, int, const char *, ...)
+	ISC_FORMAT_PRINTF(3, 4) ISC_PLATFORM_NORETURN_POST;
+
+/*% runtimecheck error */
+ISC_PLATFORM_NORETURN_PRE void
+isc_error_runtimecheck(const char *, int,
+		       const char *) ISC_PLATFORM_NORETURN_POST;
+
+#define ISC_ERROR_RUNTIMECHECK(cond) \
+	((void)(ISC_LIKELY(cond) ||  \
+		((isc_error_runtimecheck)(__FILE__, __LINE__, #cond), 0)))
+
+ISC_LANG_ENDDECLS
+
+#endif /* ISC_ERROR_H */