nis/nis_error.c

   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)