mirror of
https://github.com/matrix-construct/construct
synced 2024-11-29 10:12:39 +01:00
110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/* lt_error.c -- error propogation interface
|
|
|
|
Copyright (C) 1999, 2000, 2001, 2004, 2005, 2007 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;
|
|
}
|