texlive[69152] Build/source/texk/web2c/luatexdir: complain if more

[commits+karl at tug.org]

Revision: 69152
          https://tug.org/svn/texlive?view=revision&revision=69152
Author:   karl
Date:     2023-12-17 19:42:04 +0100 (Sun, 17 Dec 2023)
Log Message:
-----------
complain if more than 2^16 pages in dvi mode

Modified Paths:
--------------
    trunk/Build/source/texk/web2c/luatexdir/ChangeLog
    trunk/Build/source/texk/web2c/luatexdir/tex/mainbody.c

Modified: trunk/Build/source/texk/web2c/luatexdir/ChangeLog
===================================================================
--- trunk/Build/source/texk/web2c/luatexdir/ChangeLog	2023-12-17 00:43:18 UTC (rev 69151)
+++ trunk/Build/source/texk/web2c/luatexdir/ChangeLog	2023-12-17 18:42:04 UTC (rev 69152)
@@ -1,3 +1,10 @@
+2023-12-17  Karl Berry  <karl at freefriends.org>
+
+	* tex/mainbody.c (close_files_and_terminate): complain if
+	more than 2^16 pages in DVI mode, since DVI format is limited
+	to that many. Report from Nasser Abbasi for tex4ht:
+	https://puszcza.gnu.org.ua/bugs/?618
+
 2023-11-20  Karl Berry  <karl at freefriends.org>
 
 	* luazlib/lzlib.c: relax zlib version check to just checking

Modified: trunk/Build/source/texk/web2c/luatexdir/tex/mainbody.c
===================================================================
--- trunk/Build/source/texk/web2c/luatexdir/tex/mainbody.c	2023-12-17 00:43:18 UTC (rev 69151)
+++ trunk/Build/source/texk/web2c/luatexdir/tex/mainbody.c	2023-12-17 18:42:04 UTC (rev 69152)
@@ -650,6 +650,16 @@
         }
     }
     wake_up_terminal();
+    /* DVI format only supports 2^16 pages. If we have more than that,
+       give an error. Original TeX does not, but nowadays people might
+       have larger files, especially with tex4ht, which makes profligate
+       use of pages, so it's useful to explicitly complain.
+    */
+    if (get_o_mode() == OMODE_DVI && total_pages > 65536) {
+        formatted_error("dvi backend",
+          "more than 65536 pages is unsupported: %d", total_pages);
+        history = fatal_error_stop;
+    }
     /*tex
         Rubish, these \PDF arguments, passed, needs to be fixed, e.g. with a
         dummy in \DVI.