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90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/* lt_error.c -- error propogation interface
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Copyright (C) 1999, 2000, 2001, 2004 Free Software Foundation, Inc.
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Originally by Thomas Tanner <tanner@ffii.org>
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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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This library 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 it under the same
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distribution terms that you use for the rest of that program.
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This library 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 GNU
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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 this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA
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*/
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#include "lt_error.h"
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#include "lt__private.h"
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LT_GLOBAL_DATA const char *lt__last_error = 0;
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LT_GLOBAL_DATA const char *lt__error_strings[] =
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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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0
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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 (lt__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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