usr/src/lib/libc/port/locale/lmessages.c

   1 /*
   2  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
   3  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
   4  * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include "lint.h"
  30 #include <stddef.h>
  31 #include <errno.h>
  32 #include "ldpart.h"
  33 #include "lmessages.h"
  34 #include "localeimpl.h"
  35
  36 #define LCMESSAGES_SIZE_FULL (sizeof (struct lc_messages) / sizeof (char *))
  37 #define LCMESSAGES_SIZE_MIN \
  38         (offsetof(struct lc_messages, yesstr) / sizeof (char *))
  39
  40 static char empty[] = "";
  41
  42 struct lc_messages lc_messages_posix = {
  43         "^[yY]",        /* yesexpr */
  44         "^[nN]",        /* noexpr */
  45         "yes",          /* yesstr */
  46         "no"            /* nostr */
  47 };
  48
  49 struct locdata __posix_messages_locdata = {
  50         .l_lname = "C",
  51         .l_data = { &lc_messages_posix }
  52 };
  53
  54 struct locdata *
  55 __lc_messages_load(const char *name)
  56 {
  57         struct locdata *ldata;
  58         struct lc_messages *lmsgs;
  59         int ret;
  60
  61         if ((ldata = __locdata_alloc(name, sizeof (*lmsgs))) == NULL)
  62                 return (NULL);
  63         lmsgs = ldata->l_data[0];
  64
  65         ret = __part_load_locale(name, (char **)&ldata->l_data[1],
  66             "LC_MESSAGES", LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
  67             (const char **)lmsgs);
  68
  69         if (ret != _LDP_LOADED) {
  70                 __locdata_free(ldata);
  71                 errno = EINVAL;
  72                 return (NULL);
  73         }
  74
  75         if (lmsgs->yesstr == NULL)
  76                 lmsgs->yesstr = empty;
  77         if (lmsgs->nostr == NULL)
  78                 lmsgs->nostr = empty;
  79
  80         return (ldata);
  81 }