--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/leptonica/src/stringcode.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,61 @@
+/*====================================================================*
+ -  Copyright (C) 2001 Leptonica.  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 ANY
+ -  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.
+ *====================================================================*/
+
+#ifndef  LEPTONICA_STRINGCODE_H
+#define  LEPTONICA_STRINGCODE_H
+
+/*!
+ * \file stringcode.h
+ *
+ *     Data structure to hold accumulating generated code for storing
+ *     and extracting serializable leptonica objects (e.g., pixa, recog).
+ *
+ *     Also a flag for selecting a string from the L_GenAssoc struct
+ *     in stringcode.
+ */
+
+struct L_StrCode
+{
+    l_int32       fileno;    /*!< index for function and output file names   */
+    l_int32       ifunc;     /*!< index into struct currently being stored   */
+    SARRAY       *function;  /*!< store case code for extraction             */
+    SARRAY       *data;      /*!< store base64 encoded data as strings       */
+    SARRAY       *descr;     /*!< store line in description table            */
+    l_int32       n;         /*!< number of data strings                     */
+};
+typedef struct L_StrCode  L_STRCODE;
+
+
+    /*! Select string in stringcode for a specific serializable data type */
+/*! Stringcode Select */
+enum {
+    L_STR_TYPE = 0,      /*!< typedef for the data type                      */
+    L_STR_NAME = 1,      /*!< name of the data type                          */
+    L_STR_READER = 2,    /*!< reader to get the data type from file          */
+    L_STR_MEMREADER = 3  /*!< reader to get the compressed string in memory  */
+};
+
+#endif  /* LEPTONICA_STRINGCODE_H */