58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* Determine name of the currently selected locale.
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Copyright (C) 1995-2025 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Ulrich Drepper <drepper@gnu.org>, 1995. */
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#include <config.h>
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/* Specification. */
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#include "localename.h"
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#include <stdlib.h>
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#include <string.h>
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const char *
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gl_locale_name_environ (_GL_UNUSED int category, const char *categoryname)
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{
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const char *retval;
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/* Setting of LC_ALL overrides all other. */
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retval = getenv ("LC_ALL");
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if (retval != NULL && retval[0] != '\0')
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return retval;
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/* Next comes the name of the desired category. */
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retval = getenv (categoryname);
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if (retval != NULL && retval[0] != '\0')
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return retval;
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/* Last possibility is the LANG environment variable. */
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retval = getenv ("LANG");
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if (retval != NULL && retval[0] != '\0')
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{
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#if HAVE_CFPREFERENCESCOPYAPPVALUE
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/* Mac OS X 10.2 or newer.
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Ignore invalid LANG value set by the Terminal application. */
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if (strcmp (retval, "UTF-8") != 0)
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#endif
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#if defined __CYGWIN__
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/* Cygwin.
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Ignore dummy LANG value set by ~/.profile. */
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if (strcmp (retval, "C.UTF-8") != 0)
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#endif
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return retval;
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}
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return NULL;
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}
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