1  /* Copyright (c) 1997-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <syslog.h>
      20  #include <string.h>
      21  #include <libintl.h>
      22  #include <rpcsvc/nis.h>
      23  #include <shlib-compat.h>
      24  
      25  
      26  #define MF(line) MF1 (line)
      27  #define MF1(line) str##line
      28  static const union msgstr_t
      29  {
      30    struct
      31    {
      32  #define S(s) char MF(__LINE__)[sizeof (s)];
      33  #include "nis_error.h"
      34  #undef S
      35    };
      36    char str[0];
      37  } msgstr =
      38    {
      39      {
      40  #define S(s) s,
      41  #include "nis_error.h"
      42  #undef S
      43      }
      44    };
      45  
      46  static const unsigned short int msgidx[] =
      47    {
      48  #define S(s) offsetof (union msgstr_t, MF (__LINE__)),
      49  #include "nis_error.h"
      50  #undef S
      51    };
      52  
      53  
      54  const char *
      55  nis_sperrno (const nis_error status)
      56  {
      57    if (status >= sizeof (msgidx) / sizeof (msgidx[0]))
      58      return "???";
      59    else
      60      return gettext (msgstr.str + msgidx[status]);
      61  }
      62  libnsl_hidden_nolink_def (nis_sperrno, GLIBC_2_1)
      63  
      64  void
      65  nis_perror (const nis_error status, const char *label)
      66  {
      67    fprintf (stderr, "%s: %s\n", label, nis_sperrno (status));
      68  }
      69  libnsl_hidden_nolink_def (nis_perror, GLIBC_2_1)
      70  
      71  void
      72  nis_lerror (const nis_error status, const char *label)
      73  {
      74    syslog (LOG_ERR, "%s: %s", label, nis_sperrno (status));
      75  }
      76  libnsl_hidden_nolink_def (nis_lerror, GLIBC_2_1)
      77  
      78  char *
      79  nis_sperror_r (const nis_error status, const char *label,
      80  	       char *buffer, size_t buflen)
      81  {
      82    if (snprintf (buffer, buflen, "%s: %s", label, nis_sperrno (status))
      83        >= buflen)
      84      {
      85        __set_errno (ERANGE);
      86        return NULL;
      87      }
      88  
      89    return buffer;
      90  }
      91  libnsl_hidden_nolink_def (nis_sperror_r, GLIBC_2_1)
      92  
      93  char *
      94  nis_sperror (const nis_error status, const char *label)
      95  {
      96    static char buffer[NIS_MAXNAMELEN + 1];
      97  
      98    return nis_sperror_r (status, label, buffer, sizeof (buffer));
      99  }
     100  libnsl_hidden_nolink_def (nis_sperror, GLIBC_2_1)