Fix getaddrinfo emulation for systems with struct sockaddr.sa_len.

[gnulib.git] / m4 / locale-zh.m4

diff --git a/m4/locale-zh.m4 b/m4/locale-zh.m4
index ceff55b..594f62a 100644 (file)
--- a/m4/locale-zh.m4
+++ b/m4/locale-zh.m4
@@ -1,5 +1,5 @@
-# locale-zh.m4 serial 3
-dnl Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc.
+# locale-zh.m4 serial 4
+dnl Copyright (C) 2003, 2005-2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -47,15 +47,23 @@ int main ()
   const char *p;
   /* Check whether the given locale name is recognized by the system.  */
   if (setlocale (LC_ALL, "") == NULL) return 1;
-  /* Check whether nl_langinfo(CODESET) is nonempty.
+  /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
      On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
-     is empty, and the behaviour of Tcl 8.4 in this locale is not useful.  */
+     is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
+     On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
+     succeeds but then nl_langinfo(CODESET) is "646". In this situation,
+     some unit tests fail.  */
 #if HAVE_LANGINFO_CODESET
-  if (nl_langinfo (CODESET) [0] == '\0') return 1;
+  {
+    const char *cs = nl_langinfo (CODESET);
+    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
+      return 1;
+  }
 #endif
 #ifdef __CYGWIN__
-  /* On Cygwin, avoid locale names  without encoding suffix, because the
-     locale_charset() function relies on the encoding suffix.  */
+  /* On Cygwin, avoid locale names without encoding suffix, because the
+     locale_charset() function relies on the encoding suffix.  Note that
+     LC_ALL is set on the command line.  */
   if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
 #endif
   /* Check whether in a month name, no byte in the range 0x80..0x9F occurs.