"Fossies" - the Fresh Open Source Software Archive

Member "bind-9.17.5/libltdl/lt_error.c" (4 Sep 2020, 2967 Bytes) of package /linux/misc/dns/bind9/9.17.5/bind-9.17.5.tar.xz:


As a special service "Fossies" has tried to format the requested source page into HTML format using (guessed) C and C++ source code syntax highlighting (style: standard) with prefixed line numbers and code folding option. Alternatively you can here view or download the uninterpreted source code file. For more information about "lt_error.c" see the Fossies "Dox" file reference documentation.

    1 /* lt_error.c -- error propagation interface
    2 
    3    Copyright (C) 1999-2001, 2004-2005, 2007, 2011-2015 Free Software
    4    Foundation, Inc.
    5    Written by Thomas Tanner, 1999
    6 
    7    NOTE: The canonical source of this file is maintained with the
    8    GNU Libtool package.  Report bugs to bug-libtool@gnu.org.
    9 
   10 GNU Libltdl is free software; you can redistribute it and/or
   11 modify it under the terms of the GNU Lesser General Public
   12 License as published by the Free Software Foundation; either
   13 version 2 of the License, or (at your option) any later version.
   14 
   15 As a special exception to the GNU Lesser General Public License,
   16 if you distribute this file as part of a program or library that
   17 is built using GNU Libtool, you may include this file under the
   18 same distribution terms that you use for the rest of that program.
   19 
   20 GNU Libltdl is distributed in the hope that it will be useful,
   21 but WITHOUT ANY WARRANTY; without even the implied warranty of
   22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   23 GNU Lesser General Public License for more details.
   24 
   25 You should have received a copy of the GNU Lesser General Public
   26 License along with GNU Libltdl; see the file COPYING.LIB.  If not, a
   27 copy can be downloaded from  http://www.gnu.org/licenses/lgpl.html,
   28 or obtained by writing to the Free Software Foundation, Inc.,
   29 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
   30 */
   31 
   32 #include "lt__private.h"
   33 #include "lt_error.h"
   34 
   35 static const char   *last_error = 0;
   36 static const char   error_strings[LT_ERROR_MAX][LT_ERROR_LEN_MAX + 1] =
   37   {
   38 #define LT_ERROR(name, diagnostic)  diagnostic,
   39     lt_dlerror_table
   40 #undef LT_ERROR
   41   };
   42 
   43 static  const char    **user_error_strings  = 0;
   44 static  int     errorcount      = LT_ERROR_MAX;
   45 
   46 int
   47 lt_dladderror (const char *diagnostic)
   48 {
   49   int       errindex = 0;
   50   int       result   = -1;
   51   const char  **temp     = (const char **) 0;
   52 
   53   assert (diagnostic);
   54 
   55   errindex = errorcount - LT_ERROR_MAX;
   56   temp = REALLOC (const char *, user_error_strings, 1 + errindex);
   57   if (temp)
   58     {
   59       user_error_strings        = temp;
   60       user_error_strings[errindex]  = diagnostic;
   61       result                = errorcount++;
   62     }
   63 
   64   return result;
   65 }
   66 
   67 int
   68 lt_dlseterror (int errindex)
   69 {
   70   int       errors   = 0;
   71 
   72   if (errindex >= errorcount || errindex < 0)
   73     {
   74       /* Ack!  Error setting the error message! */
   75       LT__SETERROR (INVALID_ERRORCODE);
   76       ++errors;
   77     }
   78   else if (errindex < LT_ERROR_MAX)
   79     {
   80       /* No error setting the error message! */
   81       LT__SETERRORSTR (error_strings[errindex]);
   82     }
   83   else
   84     {
   85       /* No error setting the error message! */
   86       LT__SETERRORSTR (user_error_strings[errindex - LT_ERROR_MAX]);
   87     }
   88 
   89   return errors;
   90 }
   91 
   92 const char *
   93 lt__error_string (int errorcode)
   94 {
   95   assert (errorcode >= 0);
   96   assert (errorcode < LT_ERROR_MAX);
   97 
   98   return error_strings[errorcode];
   99 }
  100 
  101 const char *
  102 lt__get_last_error (void)
  103 {
  104   return last_error;
  105 }
  106 
  107 const char *
  108 lt__set_last_error (const char *errormsg)
  109 {
  110   return last_error = errormsg;
  111 }