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[PATCH] localename: Port to cygwin 2.6.
- From: Eric Blake <eblake at redhat dot com>
- To: bug-gnulib at gnu dot org
- Cc: cygwin at cygwin dot com
- Date: Thu, 19 Jan 2017 14:30:57 -0600
- Subject: [PATCH] localename: Port to cygwin 2.6.
- Authentication-results: sourceware.org; auth=none
Cygwin 2.6 introduced uselocale() and thread-local locales in general,
but lacks any way to get at the name of each portion of a locale_t
object short of peeking behind an opaque object. I'm proposing a
patch to add NL_LOCALE_NAME() to Cygwin patterned after glibc's
extension of the same name, but we might as well work around it
in the meantime.
* lib/localename.c (gl_locale_name_thread_unsafe): Add clause for
Cygwin.
Signed-off-by: Eric Blake <eblake@redhat.com>
---
I won't actually push this to gnulib until I've sent the corresponding
newlib/Cygwin patch to add NL_LOCALE_NAME, and tweaked the commit
messages of both patches to refer to the appropriate mailing list
threads. But this was enough to get test-localename passing on
Cygwin again.
ChangeLog | 6 ++++++
lib/localename.c | 13 +++++++++++++
2 files changed, 19 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index e4339fc..f0e23a1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-01-19 Eric Blake <eblake@redhat.com>
+
+ localename: Port to cygwin 2.6.
+ * lib/localename.c (gl_locale_name_thread_unsafe): Add clause for
+ Cygwin.
+
2017-01-17 Pádraig Brady <P@draigBrady.com>
parse-datetime: fix dependence on AC_PROG_SED
diff --git a/lib/localename.c b/lib/localename.c
index 33879e9..89ce889 100644
--- a/lib/localename.c
+++ b/lib/localename.c
@@ -2734,6 +2734,19 @@ gl_locale_name_thread_unsafe (int category, const char *categoryname)
# elif defined __sun && HAVE_GETLOCALENAME_L
/* Solaris >= 12. */
return getlocalename_l (category, thread_locale);
+# elif defined __CYGWIN__
+ /* Cygwin < 2.6 lacks uselocale and thread-local locales altogether.
+ Cygwin <= 2.6.1 lacks NL_LOCALE_NAME, requiring peeking inside
+ an opaque struct. */
+# ifdef NL_LOCALE_NAME
+ return nl_langinfo_l (NL_LOCALE_NAME (category), thread_locale);
+# else
+ /* FIXME: Remove when we can assume new-enough Cygwin. */
+ struct __locale_t {
+ char categories[7][32];
+ };
+ return ((struct __locale_t *) thread_locale)->categories[category];
+# endif
# elif defined __ANDROID__
return MB_CUR_MAX == 4 ? "C.UTF-8" : "C";
# endif
--
2.9.3
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