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-rw-r--r--intl/explodename.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/intl/explodename.c b/intl/explodename.c
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index 0000000..eb5dd75
--- /dev/null
+++ b/intl/explodename.c
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+/* Copyright (C) 1995-1998, 2000-2001, 2003, 2005, 2007 Free Software Foundation, Inc.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "loadinfo.h"
+
+/* On some strange systems still no definition of NULL is found. Sigh! */
+#ifndef NULL
+# if defined __STDC__ && __STDC__
+# define NULL ((void *) 0)
+# else
+# define NULL 0
+# endif
+#endif
+
+/* @@ end of prolog @@ */
+
+/* Split a locale name NAME into a leading language part and all the
+ rest. Return a pointer to the first character after the language,
+ i.e. to the first byte of the rest. */
+static char *_nl_find_language (const char *name);
+
+static char *
+_nl_find_language (const char *name)
+{
+ while (name[0] != '\0' && name[0] != '_' && name[0] != '@' && name[0] != '.')
+ ++name;
+
+ return (char *) name;
+}
+
+
+int
+_nl_explode_name (char *name,
+ const char **language, const char **modifier,
+ const char **territory, const char **codeset,
+ const char **normalized_codeset)
+{
+ char *cp;
+ int mask;
+
+ *modifier = NULL;
+ *territory = NULL;
+ *codeset = NULL;
+ *normalized_codeset = NULL;
+
+ /* Now we determine the single parts of the locale name. First
+ look for the language. Termination symbols are `_', '.', and `@'. */
+ mask = 0;
+ *language = cp = name;
+ cp = _nl_find_language (*language);
+
+ if (*language == cp)
+ /* This does not make sense: language has to be specified. Use
+ this entry as it is without exploding. Perhaps it is an alias. */
+ cp = strchr (*language, '\0');
+ else
+ {
+ if (cp[0] == '_')
+ {
+ /* Next is the territory. */
+ cp[0] = '\0';
+ *territory = ++cp;
+
+ while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@')
+ ++cp;
+
+ mask |= XPG_TERRITORY;
+ }
+
+ if (cp[0] == '.')
+ {
+ /* Next is the codeset. */
+ cp[0] = '\0';
+ *codeset = ++cp;
+
+ while (cp[0] != '\0' && cp[0] != '@')
+ ++cp;
+
+ mask |= XPG_CODESET;
+
+ if (*codeset != cp && (*codeset)[0] != '\0')
+ {
+ *normalized_codeset = _nl_normalize_codeset (*codeset,
+ cp - *codeset);
+ if (*normalized_codeset == NULL)
+ return -1;
+ else if (strcmp (*codeset, *normalized_codeset) == 0)
+ free ((char *) *normalized_codeset);
+ else
+ mask |= XPG_NORM_CODESET;
+ }
+ }
+ }
+
+ if (cp[0] == '@')
+ {
+ /* Next is the modifier. */
+ cp[0] = '\0';
+ *modifier = ++cp;
+
+ if (cp[0] != '\0')
+ mask |= XPG_MODIFIER;
+ }
+
+ if (*territory != NULL && (*territory)[0] == '\0')
+ mask &= ~XPG_TERRITORY;
+
+ if (*codeset != NULL && (*codeset)[0] == '\0')
+ mask &= ~XPG_CODESET;
+
+ return mask;
+}