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Re: duplocale test on AIX 7.1BETA
From: |
Bruno Haible |
Subject: |
Re: duplocale test on AIX 7.1BETA |
Date: |
Sat, 31 Jul 2010 11:47:27 +0200 |
User-agent: |
KMail/1.9.9 |
Rainer Tammer wrote:
> # ./a.out
> i = 0: errno = 22
> Invalid argument
> i = 1: errno = 22
> Invalid argument
> i = 2: errno = 22
> Invalid argument
Thanks. The duplocale() call apparently rejects the LC_GLOBAL_LOCALE argument.
I'm adding this workaround:
2010-07-31 Bruno Haible <address@hidden>
duplocale: Work around AIX 7.1 bug.
* m4/duplocale.m4 (gl_FUNC_DUPLOCALE): Let the test fail also when
duplocale(LC_GLOBAL_LOCALE) returns (locale_t)0.
* lib/duplocale.c (rpl_duplocale): Update comment.
* doc/posix-functions/duplocale.texi: Mention the AIX 7.1 bug.
Reported by Rainer Tammer.
--- doc/posix-functions/duplocale.texi.orig Sat Jul 31 11:40:52 2010
+++ doc/posix-functions/duplocale.texi Sat Jul 31 11:33:35 2010
@@ -10,7 +10,7 @@
@itemize
@item
The argument @code{LC_GLOBAL_LOCALE} is not supported on some platforms:
-glibc 2.11.
+glibc 2.11, AIX 7.1.
@end itemize
Portability problems not fixed by Gnulib:
--- lib/duplocale.c.orig Sat Jul 31 11:40:52 2010
+++ lib/duplocale.c Sat Jul 31 11:39:56 2010
@@ -32,7 +32,9 @@
rpl_duplocale (locale_t locale)
{
/* Work around crash in the duplocale function in glibc < 2.12.
- See <http://sourceware.org/bugzilla/show_bug.cgi?id=10969>. */
+ See <http://sourceware.org/bugzilla/show_bug.cgi?id=10969>.
+ Also, on AIX 7.1, duplocale(LC_GLOBAL_LOCALE) returns (locale_t)0 with
+ errno set to EINVAL. */
if (locale == LC_GLOBAL_LOCALE)
{
/* Create a copy of the locale by fetching the name of each locale
--- m4/duplocale.m4.orig Sat Jul 31 11:40:52 2010
+++ m4/duplocale.m4 Sat Jul 31 11:39:27 2010
@@ -1,5 +1,5 @@
-# duplocale.m4 serial 2
-dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+# duplocale.m4 serial 3
+dnl Copyright (C) 2009-2010 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.
@@ -12,6 +12,8 @@
if test $ac_cv_func_duplocale = yes; then
dnl Check against glibc bug where duplocale crashes.
dnl See <http://sourceware.org/bugzilla/show_bug.cgi?id=10969>.
+ dnl Also, on AIX 7.1, duplocale(LC_GLOBAL_LOCALE) returns (locale_t)0 with
+ dnl errno set to EINVAL.
AC_REQUIRE([gl_LOCALE_H])
AC_CACHE_CHECK([whether duplocale(LC_GLOBAL_LOCALE) works],
[gl_cv_func_duplocale_works],
@@ -22,20 +24,27 @@
#endif
int main ()
{
- (void) duplocale (LC_GLOBAL_LOCALE);
+ if (duplocale (LC_GLOBAL_LOCALE) == (locale_t)0)
+ return 1;
return 0;
}], [gl_cv_func_duplocale_works=yes], [gl_cv_func_duplocale_works=no],
- [dnl Guess it works except on glibc < 2.12.
- AC_EGREP_CPP([Unlucky GNU user], [
+ [dnl Guess it works except on glibc < 2.12 and AIX.
+ case "$host_os" in
+ aix*) gl_cv_func_duplocale_works="guessing no";;
+ *-gnu*)
+ AC_EGREP_CPP([Unlucky GNU user], [
#include <features.h>
#ifdef __GNU_LIBRARY__
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 12)
Unlucky GNU user
#endif
#endif
- ],
- [gl_cv_func_duplocale_works="guessing no"],
- [gl_cv_func_duplocale_works="guessing yes"])
+ ],
+ [gl_cv_func_duplocale_works="guessing no"],
+ [gl_cv_func_duplocale_works="guessing yes"])
+ ;;
+ *) gl_cv_func_duplocale_works="guessing yes";;
+ esac
])
])
case "$gl_cv_func_duplocale_works" in
- Re: linkat test on AIX 7.1BETA, (continued)
- Re: linkat test on AIX 7.1BETA, Bruno Haible, 2010/07/31
- fchownat test on AIX 7.1BETA, Bruno Haible, 2010/07/30
- Re: fchownat test on AIX 7.1BETA, Rainer Tammer, 2010/07/31
- Re: fchownat test on AIX 7.1BETA, Bruno Haible, 2010/07/31
- Re: fchownat test on AIX 7.1BETA, Rainer Tammer, 2010/07/31
- Re: fchownat test on AIX 7.1BETA, Bruno Haible, 2010/07/31
- utimens, utimensat tests on AIX 7.1BETA, Bruno Haible, 2010/07/30
- Re: utimens, utimensat tests on AIX 7.1BETA, Eric Blake, 2010/07/30
- duplocale test on AIX 7.1BETA, Bruno Haible, 2010/07/30
- Re: duplocale test on AIX 7.1BETA, Rainer Tammer, 2010/07/31
- Re: duplocale test on AIX 7.1BETA,
Bruno Haible <=
- Re: M4 1.4.14 on AIX 7.1BETA, Bruno Haible, 2010/07/30
- Re: M4 1.4.14 on AIX 7.1BETA, Eric Blake, 2010/07/30
- [PATCH] mknod: be more vocal about danger of running tests as root, Eric Blake, 2010/07/30
- Re: M4 1.4.14 on AIX 7.1BETA, Rainer Tammer, 2010/07/31
Re: M4 1.4.14 on AIX 7.1BETA, Rainer Tammer, 2010/07/30