From fc66711ad5b92067c758c807ac6210f808050767 Mon Sep 17 00:00:00 2001
From: "Evgeny Grin (Karlson2k)" <k2k@narod.ru>
Date: Tue, 25 Jan 2022 19:25:38 +0300
Subject: Moved mhd_panic() and helpers to separate .c/.h files

---
 src/microhttpd/mhd_panic.c | 101 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/microhttpd/mhd_panic.c

(limited to 'src/microhttpd/mhd_panic.c')

diff --git a/src/microhttpd/mhd_panic.c b/src/microhttpd/mhd_panic.c
new file mode 100644
index 00000000..1efba20d
--- /dev/null
+++ b/src/microhttpd/mhd_panic.c
@@ -0,0 +1,101 @@
+/*
+  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  MHD_panic() function and helpers
+ * @author Daniel Pittman
+ * @author Christian Grothoff
+ * @author Karlson2k (Evgeny Grin)
+ */
+
+#include "mhd_panic.h"
+#include "platform.h"
+#include "microhttpd.h"
+
+/**
+ * Handler for fatal errors.
+ */
+MHD_PanicCallback mhd_panic = (MHD_PanicCallback) NULL;
+
+/**
+ * Closure argument for #mhd_panic.
+ */
+void *mhd_panic_cls = NULL;
+
+
+/**
+ * Default implementation of the panic function,
+ * prints an error message and aborts.
+ *
+ * @param cls unused
+ * @param file name of the file with the problem
+ * @param line line number with the problem
+ * @param reason error message with details
+ */
+_MHD_NORETURN static void
+mhd_panic_std (void *cls,
+               const char *file,
+               unsigned int line,
+               const char *reason)
+{
+  (void) cls; /* Mute compiler warning. */
+#ifdef HAVE_MESSAGES
+  fprintf (stderr,
+           _ ("Fatal error in GNU libmicrohttpd %s:%u: %s\n"),
+           file,
+           line,
+           reason);
+#else  /* ! HAVE_MESSAGES */
+  (void) file;   /* Mute compiler warning. */
+  (void) line;   /* Mute compiler warning. */
+  (void) reason; /* Mute compiler warning. */
+#endif
+  abort ();
+}
+
+
+/**
+ * Sets the global error handler to a different implementation.  @a cb
+ * will only be called in the case of typically fatal, serious
+ * internal consistency issues.  These issues should only arise in the
+ * case of serious memory corruption or similar problems with the
+ * architecture.  While @a cb is allowed to return and MHD will then
+ * try to continue, this is never safe.
+ *
+ * The default implementation that is used if no panic function is set
+ * simply prints an error message and calls `abort()`.  Alternative
+ * implementations might call `exit()` or other similar functions.
+ *
+ * @param cb new error handler or NULL to use default handler
+ * @param cls passed to @a cb
+ * @ingroup logging
+ */
+void
+MHD_set_panic_func (MHD_PanicCallback cb,
+                    void *cls)
+{
+  if ((MHD_PanicCallback) NULL != cb)
+    mhd_panic = cb;
+  else
+    mhd_panic = &mhd_panic_std;
+
+  mhd_panic_cls = cls;
+}
-- 
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