texlive[73725] Build/source/texk/web2c/lib/texmfmp.c: {,e}uptex:

[commits+takuji at tug.org]

Revision: 73725
          https://tug.org/svn/texlive?view=revision&revision=73725
Author:   takuji
Date:     2025-02-04 14:14:23 +0100 (Tue, 04 Feb 2025)
Log Message:
-----------
{,e}uptex: Avoid segmentation fault by H.Kitagawa

Modified Paths:
--------------
    trunk/Build/source/texk/web2c/lib/texmfmp.c

Modified: trunk/Build/source/texk/web2c/lib/texmfmp.c
===================================================================
--- trunk/Build/source/texk/web2c/lib/texmfmp.c	2025-02-04 13:11:41 UTC (rev 73724)
+++ trunk/Build/source/texk/web2c/lib/texmfmp.c	2025-02-04 13:14:23 UTC (rev 73725)
@@ -1019,7 +1019,8 @@
         string new_arg;
         is_terminalUTF8(); /* To call get_terminal_enc(). return value is not used */
         new_arg = ptenc_from_utf8_string_to_internal_enc(argv[1]);
-        dump_name = argv[1] + 1; argv[1] = new_arg;
+        dump_name = argv[1] + 1;
+        if (new_arg) argv[1] = new_arg;
 #else
         dump_name = argv[1] + 1;
 #endif