--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/ccutil/errcode.cpp	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,93 @@
+/**********************************************************************
+ * File:        errcode.cpp  (Formerly error.c)
+ * Description: Generic error handler function
+ * Author:      Ray Smith
+ *
+ * (C) Copyright 1989, Hewlett-Packard Ltd.
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ ** http://www.apache.org/licenses/LICENSE-2.0
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ *
+ **********************************************************************/
+
+#include "errcode.h"
+
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream> // for std::cerr
+#include <sstream>  // for std::stringstream
+
+namespace tesseract {
+
+constexpr ERRCODE BADERRACTION("Illegal error action");
+#define MAX_MSG 1024
+
+/**********************************************************************
+ * error
+ *
+ * Print an error message and continue, exit or abort according to action.
+ * Makes use of error messages and numbers in a common place.
+ *
+ **********************************************************************/
+void ERRCODE::error(         // handle error
+    const char *caller,      // name of caller
+    TessErrorLogCode action, // action to take
+    const char *format, ...  // special message
+    ) const {
+  va_list args; // variable args
+  std::stringstream msg;
+
+  if (caller != nullptr) {
+    // name of caller
+    msg << caller << ':';
+  }
+  // actual message
+  msg << "Error:" << message;
+  if (format != nullptr) {
+    char str[MAX_MSG];
+    va_start(args, format); // variable list
+    // print remainder
+    std::vsnprintf(str, sizeof(str), format, args);
+    // ensure termination
+    str[sizeof(str) - 1] = '\0';
+    va_end(args);
+    msg << ':' << str;
+  }
+
+  std::cerr << msg.str() << '\n';
+
+  switch (action) {
+    case DBG:
+    case TESSLOG:
+      return; // report only
+    case TESSEXIT:
+    case ABORT:
+#if !defined(NDEBUG)
+      // Create a deliberate abnormal exit as the stack trace is more useful
+      // that way. This is done only in debug builds, because the
+      // error message "segmentation fault" confuses most normal users.
+#  if defined(__GNUC__)
+      __builtin_trap();
+#  else
+      *reinterpret_cast<int *>(0) = 0;
+#  endif
+#endif
+      abort();
+    default:
+      BADERRACTION.error("error", ABORT);
+  }
+}
+
+void ERRCODE::error(const char *caller, TessErrorLogCode action) const {
+  error(caller, action, nullptr);
+}
+
+} // namespace tesseract