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authorRoland McGrath <roland@gnu.org>2002-08-04 01:41:55 +0000
committerRoland McGrath <roland@gnu.org>2002-08-04 01:41:55 +0000
commit30c14c31ae6ac7c8db692fc23d0901e4d479f7af (patch)
tree25e403cd215f6d2ca484ae20a51ae41019ce19db /locale/uselocale.c
parent509d1b68421a9dc02605540615d241b48bf90a13 (diff)
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* locale/setlocale.c (_nl_current_names): Variable moved ...
* locale/localename.c (_nl_current_names): ... here, new file. Make it global, with attribute_hidden. * locale/localeinfo.h: Declare it. * locale/Makefile (aux): Add localename. * locale/localename.c (__current_locale_name): New function. * include/locale.h (__current_locale_name): Declare it. * intl/dcigettext.c (guess_category_value): Use that instead of calling setlocale. * locale/locale.h [__USE_GNU] (locale_t): New type alias of __locale_t. [__USE_GNU] (newlocale, duplocale, freelocale, uselocale): New decls. [__USE_GNU] (LC_GLOBAL_LOCALE): New macro. * locale/newlocale.c: Add alias to __ name. * locale/duplocale.c: Likewise. * locale/freelocale.c: Likewise. * locale/uselocale.c: New file. * locale/Makefile (routines): Add it. * locale/Versions (libc: GLIBC_2.3): New set. Add newlocale, duplocale, freelocale, uselocale. (libc: GLIBC_PRIVATE): Add __uselocale. * locale/localeinfo.h [SHARED] (_NL_CURRENT_LOCALE): New macro, defined to fetch a tsd value. (_NL_CURRENT_DATA): Define using that. (_NL_CURRENT, _NL_CURRENT_WSTR, _NL_CURRENT_WORD): Define using that. (_NL_CURRENT_DEFINE): Define to empty. [! SHARED]: Decls of _nl_current_CATEGORY and _nl_current conditionalized on this. * locale/xlocale.c (NL_C_INTIIALIZER): New macro, taking initializer of _nl_C_locobj. [SHARED] (_nl_global_locale): New variable, using that initializer. (_nl_C_locobj): Use new macro for initialzier. * locale/setlocale.c [! SHARED] (_nl_current): Conditionalize on this. [! SHARED] (CATEGORY_USED): New macro. [SHARED] (CATEGORY_USED, _nl_C): New macros. (setdata, setlocale): Use that macro instead of examining _nl_current. (setdata): Set the slot in _nl_global_locale. Conditionalize setting of _nl_current on [! SHARED]. * locale/findlocale.c [SHARED] (_nl_C): Define as a macro instead of declaration as an extern. * locale/newlocale.c (__newlocale): Use _nl_C_locobj instead of _nl_C. * include/locale.h: Use libc_hidden_proto for setlocale. * locale/setlocale.c: Add libc_hidden_def. * locale/setlocale.c (free_mem): Use _NL_CURRENT_DATA.
Diffstat (limited to 'locale/uselocale.c')
-rw-r--r--locale/uselocale.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/locale/uselocale.c b/locale/uselocale.c
new file mode 100644
index 0000000000..1e819381de
--- /dev/null
+++ b/locale/uselocale.c
@@ -0,0 +1,52 @@
+/* uselocale -- fetch and set the current per-thread locale
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <locale.h>
+#include "localeinfo.h"
+
+#ifdef SHARED
+
+/* Switch the current thread's locale to DATASET.
+ If DATASET is null, instead just return the current setting.
+ The special value LC_GLOBAL_LOCALE is the initial setting
+ for all threads, and means the thread uses the global
+ setting controlled by `setlocale'. */
+locale_t
+__uselocale (locale_t newloc)
+{
+ if (newloc == NULL)
+ {
+ locale_t loc = __libc_tsd_get (LOCALE);
+ return loc == &_nl_global_locale ? LC_GLOBAL_LOCALE : loc;
+ }
+ if (newloc == LC_GLOBAL_LOCALE)
+ {
+ __libc_tsd_set (LOCALE, &_nl_global_locale);
+ return LC_GLOBAL_LOCALE;
+ }
+ __libc_tsd_set (LOCALE, newloc);
+ return newloc;
+}
+weak_alias (__uselocale, uselocale)
+
+#else
+
+# warning uselocale not implemented for static linking yet
+
+#endif