--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/openjpeg/src/lib/openjp2/event.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,151 @@
+/*
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
+ * party and contributor rights, including patent rights, and no such rights
+ * are granted under this license.
+ *
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
+ * Copyright (c) 2012, CS Systemes d'Information, France
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/* ==========================================================
+     Utility functions
+   ==========================================================*/
+
+#ifdef OPJ_CODE_NOT_USED
+#ifndef _WIN32
+static char*
+i2a(unsigned i, char *a, unsigned r)
+{
+    if (i / r > 0) {
+        a = i2a(i / r, a, r);
+    }
+    *a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i % r];
+    return a + 1;
+}
+
+/**
+ Transforms integer i into an ascii string and stores the result in a;
+ string is encoded in the base indicated by r.
+ @param i Number to be converted
+ @param a String result
+ @param r Base of value; must be in the range 2 - 36
+ @return Returns a
+*/
+static char *
+_itoa(int i, char *a, int r)
+{
+    r = ((r < 2) || (r > 36)) ? 10 : r;
+    if (i < 0) {
+        *a = '-';
+        *i2a(-i, a + 1, r) = 0;
+    } else {
+        *i2a(i, a, r) = 0;
+    }
+    return a;
+}
+
+#endif /* !_WIN32 */
+#endif
+
+/* ----------------------------------------------------------------------- */
+/**
+ * Default callback function.
+ * Do nothing.
+ */
+static void opj_default_callback(const char *msg, void *client_data)
+{
+    OPJ_ARG_NOT_USED(msg);
+    OPJ_ARG_NOT_USED(client_data);
+}
+
+/* ----------------------------------------------------------------------- */
+
+
+/* ----------------------------------------------------------------------- */
+OPJ_BOOL opj_event_msg(opj_event_mgr_t* p_event_mgr, OPJ_INT32 event_type,
+                       const char *fmt, ...)
+{
+#define OPJ_MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */
+    opj_msg_callback msg_handler = 00;
+    void * l_data = 00;
+
+    if (p_event_mgr != 00) {
+        switch (event_type) {
+        case EVT_ERROR:
+            msg_handler = p_event_mgr->error_handler;
+            l_data = p_event_mgr->m_error_data;
+            break;
+        case EVT_WARNING:
+            msg_handler = p_event_mgr->warning_handler;
+            l_data = p_event_mgr->m_warning_data;
+            break;
+        case EVT_INFO:
+            msg_handler = p_event_mgr->info_handler;
+            l_data = p_event_mgr->m_info_data;
+            break;
+        default:
+            break;
+        }
+        if (msg_handler == 00) {
+            return OPJ_FALSE;
+        }
+    } else {
+        return OPJ_FALSE;
+    }
+
+    if ((fmt != 00) && (p_event_mgr != 00)) {
+        va_list arg;
+        char message[OPJ_MSG_SIZE];
+        memset(message, 0, OPJ_MSG_SIZE);
+        /* initialize the optional parameter list */
+        va_start(arg, fmt);
+        /* parse the format string and put the result in 'message' */
+        vsnprintf(message, OPJ_MSG_SIZE, fmt, arg);
+        /* force zero termination for Windows _vsnprintf() of old MSVC */
+        message[OPJ_MSG_SIZE - 1] = '\0';
+        /* deinitialize the optional parameter list */
+        va_end(arg);
+
+        /* output the message to the user program */
+        msg_handler(message, l_data);
+    }
+
+    return OPJ_TRUE;
+}
+
+void opj_set_default_event_handler(opj_event_mgr_t * p_manager)
+{
+    p_manager->m_error_data = 00;
+    p_manager->m_warning_data = 00;
+    p_manager->m_info_data = 00;
+    p_manager->error_handler = opj_default_callback;
+    p_manager->info_handler = opj_default_callback;
+    p_manager->warning_handler = opj_default_callback;
+}
+