Thread safety fixes.

          --- old/usr/src/lib/libc/port/locale/lmessages.c
          +++ new/usr/src/lib/libc/port/locale/lmessages.c

   1    1  /*
   2    2   * Copyright 2014 Garrett D'Amore <garrett@damore.org>
   3    3   * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
   4    4   * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
   5    5   * All rights reserved.
   6    6   *
   7    7   * Redistribution and use in source and binary forms, with or without
   8    8   * modification, are permitted provided that the following conditions
   9    9   * are met:
  10   10   * 1. Redistributions of source code must retain the above copyright
  11   11   *    notice, this list of conditions and the following disclaimer.
  12   12   * 2. Redistributions in binary form must reproduce the above copyright
  13   13   *    notice, this list of conditions and the following disclaimer in the
  14   14   *    documentation and/or other materials provided with the distribution.
  15   15   *
  16   16   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17   17   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18   18   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19   19   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20   20   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21   21   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22   22   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23   23   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24   24   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25   25   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26   26   * SUCH DAMAGE.
  27   27   */
  28   28  
  29   29  #include "lint.h"
  30   30  #include <stddef.h>
  31   31  #include <errno.h>
  32   32  #include "ldpart.h"
  33   33  #include "lmessages.h"
  34   34  #include "localeimpl.h"
  35   35  
  36   36  #define LCMESSAGES_SIZE_FULL (sizeof (struct lc_messages) / sizeof (char *))
  37   37  #define LCMESSAGES_SIZE_MIN \
  38   38          (offsetof(struct lc_messages, yesstr) / sizeof (char *))
  39   39  
  40   40  static char empty[] = "";

  41   41  
  42   42  struct lc_messages lc_messages_posix = {
  43   43          "^[yY]",        /* yesexpr */
  44   44          "^[nN]",        /* noexpr */
  45   45          "yes",          /* yesstr */
  46   46          "no"            /* nostr */
  47   47  };
  48   48  
  49   49  struct locdata __posix_messages_locdata = {
  50   50          .l_lname = "C",
  51      -        .l_refcnt = (uint32_t)-1,
  52   51          .l_data = { &lc_messages_posix }
  53   52  };
  54   53  
  55   54  struct locdata *
  56   55  __lc_messages_load(const char *name)
  57   56  {
  58   57          struct locdata *ldata;
  59   58          struct lc_messages *lmsgs;
  60   59          int ret;
  61   60  
  62   61          if ((ldata = __locdata_alloc(name, sizeof (*lmsgs))) == NULL)
  63   62                  return (NULL);
  64   63          lmsgs = ldata->l_data[0];
  65   64  
  66   65          ret = __part_load_locale(name, (char **)&ldata->l_data[1],
  67   66              "LC_MESSAGES", LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
  68   67              (const char **)lmsgs);
  69   68  
  70   69          if (ret != _LDP_LOADED) {
  71      -                __locdata_release(ldata);
       70 +                __locdata_free(ldata);
  72   71                  errno = EINVAL;
  73   72                  return (NULL);
  74   73          }
  75   74  
  76   75          if (lmsgs->yesstr == NULL)
  77   76                  lmsgs->yesstr = empty;
  78   77          if (lmsgs->nostr == NULL)
  79   78                  lmsgs->nostr = empty;
  80   79  
  81   80          return (ldata);
  82   81  }
    

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