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/* lt_error.c -- error propogation interface |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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#include "lt__private.h" |
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#include "lt_error.h" |
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|
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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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|
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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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|
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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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|
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assert (diagnostic); |
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|
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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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|
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return result; |
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} |
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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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|
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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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|
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return errors; |
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} |
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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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|
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return error_strings[errorcode]; |
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} |
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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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|
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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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} |
