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Diffstat (limited to 'intl/textdomain.c')
-rw-r--r-- | intl/textdomain.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/intl/textdomain.c b/intl/textdomain.c new file mode 100644 index 0000000..55d9340 --- /dev/null +++ b/intl/textdomain.c @@ -0,0 +1,106 @@ +/* Implementation of the textdomain(3) function + Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + Written 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 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if defined STDC_HEADERS || defined _LIBC +# include <stdlib.h> +#endif + +#if defined STDC_HEADERS || defined HAVE_STRING_H || defined _LIBC +# include <string.h> +#else +# include <strings.h> +# ifndef memcpy +# define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num) +# endif +#endif + +#ifdef _LIBC +# include <libintl.h> +#else +# include "libgettext.h" +#endif + +/* @@ end of prolog @@ */ + +/* Name of the default text domain. */ +extern const char _nl_default_default_domain[]; + +/* Default text domain in which entries for gettext(3) are to be found. */ +extern const char *_nl_current_default_domain; + + +/* Names for the libintl functions are a problem. They must not clash + with existing names and they should follow ANSI C. But this source + code is also used in GNU C Library where the names have a __ + prefix. So we have to make a difference here. */ +#ifdef _LIBC +# define TEXTDOMAIN __textdomain +# define strdup(str) __strdup (str) +#else +# define TEXTDOMAIN textdomain__ +#endif + +/* Set the current default message catalog to DOMAINNAME. + If DOMAINNAME is null, return the current default. + If DOMAINNAME is "", reset to the default of "messages". */ +char * +TEXTDOMAIN (domainname) + const char *domainname; +{ + char *old; + + /* A NULL pointer requests the current setting. */ + if (domainname == NULL) + return (char *) _nl_current_default_domain; + + old = (char *) _nl_current_default_domain; + + /* If domain name is the null string set to default domain "messages". */ + if (domainname[0] == '\0' + || strcmp (domainname, _nl_default_default_domain) == 0) + _nl_current_default_domain = _nl_default_default_domain; + else + { + /* If the following malloc fails `_nl_current_default_domain' + will be NULL. This value will be returned and so signals we + are out of core. */ +#if defined _LIBC || defined HAVE_STRDUP + _nl_current_default_domain = strdup (domainname); +#else + size_t len = strlen (domainname) + 1; + char *cp = (char *) malloc (len); + if (cp != NULL) + memcpy (cp, domainname, len); + _nl_current_default_domain = cp; +#endif + } + + if (old != _nl_default_default_domain) + free (old); + + return (char *) _nl_current_default_domain; +} + +#ifdef _LIBC +/* Alias for function name in GNU C Library. */ +weak_alias (__textdomain, textdomain); +#endif |