1 files changed, 82 insertions, 0 deletions

diff --git a/src/microhttpd/mhd_panic.h b/src/microhttpd/mhd_panic.h
new file mode 100644
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+++ b/src/microhttpd/mhd_panic.h
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+/*
+  This file is part of libmicrohttpd
+  Copyright (C) 2007-2018 Daniel Pittman and Christian Grothoff
+  Copyright (C) 2014-2022 Evgeny Grin (Karlson2k)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+/**
+ * @file microhttpd/mhd_panic.h
+ * @brief  Declaration and macros for MHD_panic()
+ * @author Daniel Pittman
+ * @author Christian Grothoff
+ * @author Karlson2k (Evgeny Grin)
+ */
+
+#ifndef MHD_PANIC_H
+#define MHD_PANIC_H 1
+
+#include "mhd_options.h"
+
+#ifdef MHD_PANIC
+/* Override any possible defined MHD_PANIC macro with proper one */
+#undef MHD_PANIC
+#endif /* MHD_PANIC */
+
+/* If we have Clang or gcc >= 4.5, use __builtin_unreachable() */
+#if defined(__clang__) || (__GNUC__ > 4) || \
+  (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+#define BUILTIN_NOT_REACHED __builtin_unreachable ()
+#elif defined(_MSC_FULL_VER)
+#define BUILTIN_NOT_REACHED __assume (0)
+#else
+#define BUILTIN_NOT_REACHED
+#endif
+
+/* The MHD_PanicCallback type, but without main header. */
+/**
+ * Handler for fatal errors.
+ */
+extern void
+(*mhd_panic) (void *cls,
+              const char *file,
+              unsigned int line,
+              const char *reason);
+
+/**
+ * Closure argument for "mhd_panic".
+ */
+extern void *mhd_panic_cls;
+
+#ifdef HAVE_MESSAGES
+/**
+ * Trigger 'panic' action based on fatal errors.
+ *
+ * @param msg error message (const char *)
+ */
+#define MHD_PANIC(msg) do { mhd_panic (mhd_panic_cls, __FILE__, __LINE__, msg); \
+                            BUILTIN_NOT_REACHED; } while (0)
+#else
+/**
+ * Trigger 'panic' action based on fatal errors.
+ *
+ * @param msg error message (const char *)
+ */
+#define MHD_PANIC(msg) do { mhd_panic (mhd_panic_cls, __FILE__, __LINE__, NULL); \
+                            BUILTIN_NOT_REACHED; } while (0)
+#endif
+
+#endif /* MHD_PANIC_H */