Update contrib/libs/libidn to 1.42

1 files changed, 17 insertions, 7 deletions

diff --git a/contrib/libs/libidn/gl/getprogname.c b/contrib/libs/libidn/gl/getprogname.c
index 547a684feb..38d033c189 100644
--- a/contrib/libs/libidn/gl/getprogname.c
+++ b/contrib/libs/libidn/gl/getprogname.c
@@ -1,5 +1,5 @@
 /* Program name management.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
@@ -16,11 +16,10 @@
 
 #include <config.h>
 
-/* Specification.  */
-#include "getprogname.h"
+/* Specification.  Also get __argv declaration.  */
+#include <stdlib.h>
 
 #include <errno.h> /* get program_invocation_name declaration */
-#include <stdlib.h> /* get __argv declaration */
 
 #ifdef _AIX
 # include <unistd.h>
@@ -53,13 +52,12 @@
 
 #if defined __SCO_VERSION__ || defined __sysv5__
 # include <fcntl.h>
-# include <stdlib.h>
 # include <string.h>
 #endif
 
 #include "basename-lgpl.h"
 
-#ifndef HAVE_GETPROGNAME             /* not Mac OS X, FreeBSD, NetBSD, OpenBSD >= 5.4, Cygwin */
+#ifndef HAVE_GETPROGNAME  /* not Mac OS X, FreeBSD, NetBSD, OpenBSD >= 5.4, Solaris >= 11, Cygwin, Android API level >= 21 */
 char const *
 getprogname (void)
 {
@@ -214,7 +212,19 @@ getprogname (void)
                 {
                   char *s = strdup (last_component (buf.ps_pathptr));
                   if (s)
-                    p = s;
+                    {
+#  if defined __XPLINK__ && __CHARSET_LIB == 1
+                      /* The compiler option -qascii is in use.
+                         https://makingdeveloperslivesbetter.wordpress.com/2022/01/07/is-z-os-ascii-or-ebcdic-yes/
+                         https://www.ibm.com/docs/en/zos/2.5.0?topic=features-macros-related-compiler-option-settings
+                         So, convert the result from EBCDIC to ASCII.
+                         https://www.ibm.com/docs/en/zos/2.5.0?topic=functions-e2a-s-convert-string-from-ebcdic-ascii */
+                      if (__e2a_s (s) == (size_t)-1)
+                        free (s);
+                      else
+#  endif
+                        p = s;
+                    }
                   break;
                 }
             }