111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
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/* lt_error.c -- error propogation interface
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Copyright (C) 1999, 2000, 2001, 2004, 2005, 2007 Free Software Foundation, Inc.
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Written by Thomas Tanner, 1999
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NOTE: The canonical source of this file is maintained with the
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GNU Libtool package. Report bugs to bug-libtool@gnu.org.
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GNU Libltdl is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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As a special exception to the GNU Lesser General Public License,
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if you distribute this file as part of a program or library that
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is built using GNU Libtool, you may include this file under the
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same distribution terms that you use for the rest of that program.
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GNU Libltdl is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with GNU Libltdl; see the file COPYING.LIB. If not, a
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copy can be downloaded from http://www.gnu.org/licenses/lgpl.html,
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or obtained by writing to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "lt__private.h"
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#include "lt_error.h"
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static const char *last_error = 0;
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static const char error_strings[LT_ERROR_MAX][LT_ERROR_LEN_MAX + 1] =
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{
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#define LT_ERROR(name, diagnostic) diagnostic,
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lt_dlerror_table
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#undef LT_ERROR
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};
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static const char **user_error_strings = 0;
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static int errorcount = LT_ERROR_MAX;
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int
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lt_dladderror (const char *diagnostic)
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{
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int errindex = 0;
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int result = -1;
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const char **temp = (const char **) 0;
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assert (diagnostic);
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errindex = errorcount - LT_ERROR_MAX;
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temp = REALLOC (const char *, user_error_strings, 1 + errindex);
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if (temp)
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{
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user_error_strings = temp;
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user_error_strings[errindex] = diagnostic;
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result = errorcount++;
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}
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return result;
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}
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int
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lt_dlseterror (int errindex)
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{
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int errors = 0;
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if (errindex >= errorcount || errindex < 0)
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{
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/* Ack! Error setting the error message! */
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LT__SETERROR (INVALID_ERRORCODE);
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++errors;
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}
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else if (errindex < LT_ERROR_MAX)
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{
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/* No error setting the error message! */
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LT__SETERRORSTR (error_strings[errindex]);
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}
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else
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{
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/* No error setting the error message! */
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LT__SETERRORSTR (user_error_strings[errindex - LT_ERROR_MAX]);
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}
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return errors;
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}
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const char *
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lt__error_string (int errorcode)
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{
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assert (errorcode >= 0);
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assert (errorcode < LT_ERROR_MAX);
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return error_strings[errorcode];
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}
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const char *
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lt__get_last_error (void)
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{
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return last_error;
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}
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const char *
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lt__set_last_error (const char *errormsg)
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{
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return last_error = errormsg;
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}
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