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Diffstat (limited to 'intl/bindtextdom.c')
| -rw-r--r-- | intl/bindtextdom.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/intl/bindtextdom.c b/intl/bindtextdom.c new file mode 100644 index 00000000000..9fcb8d9f29b --- /dev/null +++ b/intl/bindtextdom.c @@ -0,0 +1,199 @@ +/* Implementation of the bindtextdomain(3) function + Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + + 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> +#else +# ifdef HAVE_MALLOC_H +# include <malloc.h> +# else +void free (); +# endif +#endif + +#if 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 +#include "gettext.h" +#include "gettextP.h" + +/* @@ end of prolog @@ */ + +/* Contains the default location of the message catalogs. */ +extern const char _nl_default_dirname[]; + +/* List with bindings of specific domains. */ +extern struct binding *_nl_domain_bindings; + + +/* 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 BINDTEXTDOMAIN __bindtextdomain +# define strdup(str) __strdup (str) +#else +# define BINDTEXTDOMAIN bindtextdomain__ +#endif + +/* Specify that the DOMAINNAME message catalog will be found + in DIRNAME rather than in the system locale data base. */ +char * +BINDTEXTDOMAIN (domainname, dirname) + const char *domainname; + const char *dirname; +{ + struct binding *binding; + + /* Some sanity checks. */ + if (domainname == NULL || domainname[0] == '\0') + return NULL; + + for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next) + { + int compare = strcmp (domainname, binding->domainname); + if (compare == 0) + /* We found it! */ + break; + if (compare < 0) + { + /* It is not in the list. */ + binding = NULL; + break; + } + } + + if (dirname == NULL) + /* The current binding has be to returned. */ + return binding == NULL ? (char *) _nl_default_dirname : binding->dirname; + + if (binding != NULL) + { + /* The domain is already bound. If the new value and the old + one are equal we simply do nothing. Otherwise replace the + old binding. */ + if (strcmp (dirname, binding->dirname) != 0) + { + char *new_dirname; + + if (strcmp (dirname, _nl_default_dirname) == 0) + new_dirname = (char *) _nl_default_dirname; + else + { +#if defined _LIBC || defined HAVE_STRDUP + new_dirname = strdup (dirname); + if (new_dirname == NULL) + return NULL; +#else + size_t len = strlen (dirname) + 1; + new_dirname = (char *) malloc (len); + if (new_dirname == NULL) + return NULL; + + memcpy (new_dirname, dirname, len); +#endif + } + + if (binding->dirname != _nl_default_dirname) + free (binding->dirname); + + binding->dirname = new_dirname; + } + } + else + { + /* We have to create a new binding. */ + size_t len; + struct binding *new_binding = + (struct binding *) malloc (sizeof (*new_binding)); + + if (new_binding == NULL) + return NULL; + +#if defined _LIBC || defined HAVE_STRDUP + new_binding->domainname = strdup (domainname); + if (new_binding->domainname == NULL) + return NULL; +#else + len = strlen (domainname) + 1; + new_binding->domainname = (char *) malloc (len); + if (new_binding->domainname == NULL) + return NULL; + memcpy (new_binding->domainname, domainname, len); +#endif + + if (strcmp (dirname, _nl_default_dirname) == 0) + new_binding->dirname = (char *) _nl_default_dirname; + else + { +#if defined _LIBC || defined HAVE_STRDUP + new_binding->dirname = strdup (dirname); + if (new_binding->dirname == NULL) + return NULL; +#else + len = strlen (dirname) + 1; + new_binding->dirname = (char *) malloc (len); + if (new_binding->dirname == NULL) + return NULL; + memcpy (new_binding->dirname, dirname, len); +#endif + } + + /* Now enqueue it. */ + if (_nl_domain_bindings == NULL + || strcmp (domainname, _nl_domain_bindings->domainname) < 0) + { + new_binding->next = _nl_domain_bindings; + _nl_domain_bindings = new_binding; + } + else + { + binding = _nl_domain_bindings; + while (binding->next != NULL + && strcmp (domainname, binding->next->domainname) > 0) + binding = binding->next; + + new_binding->next = binding->next; + binding->next = new_binding; + } + + binding = new_binding; + } + + return binding->dirname; +} + +#ifdef _LIBC +/* Alias for function name in GNU C Library. */ +weak_alias (__bindtextdomain, bindtextdomain); +#endif |