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- /* lt_error.c -- error propagation interface
- Copyright (C) 1999-2001, 2004-2005, 2007, 2011-2015 Free Software
- Foundation, Inc.
- Written by Thomas Tanner, 1999
- NOTE: The canonical source of this file is maintained with the
- GNU Libtool package. Report bugs to bug-libtool@gnu.org.
- GNU Libltdl is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
- As a special exception to the GNU Lesser General Public License,
- if you distribute this file as part of a program or library that
- is built using GNU Libtool, you may include this file under the
- same distribution terms that you use for the rest of that program.
- GNU Libltdl is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with GNU Libltdl; see the file COPYING.LIB. If not, a
- copy can be downloaded from http://www.gnu.org/licenses/lgpl.html,
- or obtained by writing to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- #include "lt__private.h"
- #include "lt_error.h"
- static const char *last_error = 0;
- static const char error_strings[LT_ERROR_MAX][LT_ERROR_LEN_MAX + 1] =
- {
- #define LT_ERROR(name, diagnostic) diagnostic,
- lt_dlerror_table
- #undef LT_ERROR
- };
- static const char **user_error_strings = 0;
- static int errorcount = LT_ERROR_MAX;
- int
- lt_dladderror (const char *diagnostic)
- {
- int errindex = 0;
- int result = -1;
- const char **temp = (const char **) 0;
- assert (diagnostic);
- errindex = errorcount - LT_ERROR_MAX;
- temp = REALLOC (const char *, user_error_strings, 1 + errindex);
- if (temp)
- {
- user_error_strings = temp;
- user_error_strings[errindex] = diagnostic;
- result = errorcount++;
- }
- return result;
- }
- int
- lt_dlseterror (int errindex)
- {
- int errors = 0;
- if (errindex >= errorcount || errindex < 0)
- {
- /* Ack! Error setting the error message! */
- LT__SETERROR (INVALID_ERRORCODE);
- ++errors;
- }
- else if (errindex < LT_ERROR_MAX)
- {
- /* No error setting the error message! */
- LT__SETERRORSTR (error_strings[errindex]);
- }
- else
- {
- /* No error setting the error message! */
- LT__SETERRORSTR (user_error_strings[errindex - LT_ERROR_MAX]);
- }
- return errors;
- }
- const char *
- lt__error_string (int errorcode)
- {
- assert (errorcode >= 0);
- assert (errorcode < LT_ERROR_MAX);
- return error_strings[errorcode];
- }
- const char *
- lt__get_last_error (void)
- {
- return last_error;
- }
- const char *
- lt__set_last_error (const char *errormsg)
- {
- return last_error = errormsg;
- }
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