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87 lines
3.6 KiB
C
87 lines
3.6 KiB
C
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/* lt_error.h -- error propagation interface
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Copyright (C) 1999-2001, 2004, 2007, 2011-2015 Free Software
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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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/* Only include this header file once. */
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#if !defined LT_ERROR_H
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#define LT_ERROR_H 1
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#include <libltdl/lt_system.h>
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LT_BEGIN_C_DECLS
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/* Defining error strings alongside their symbolic names in a macro in
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this way allows us to expand the macro in different contexts with
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confidence that the enumeration of symbolic names will map correctly
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onto the table of error strings. \0 is appended to the strings to
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expilicitely initialize the string terminator. */
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#define lt_dlerror_table \
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LT_ERROR(UNKNOWN, "unknown error\0") \
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LT_ERROR(DLOPEN_NOT_SUPPORTED, "dlopen support not available\0") \
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LT_ERROR(INVALID_LOADER, "invalid loader\0") \
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LT_ERROR(INIT_LOADER, "loader initialization failed\0") \
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LT_ERROR(REMOVE_LOADER, "loader removal failed\0") \
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LT_ERROR(FILE_NOT_FOUND, "file not found\0") \
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LT_ERROR(DEPLIB_NOT_FOUND, "dependency library not found\0") \
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LT_ERROR(NO_SYMBOLS, "no symbols defined\0") \
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LT_ERROR(CANNOT_OPEN, "can't open the module\0") \
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LT_ERROR(CANNOT_CLOSE, "can't close the module\0") \
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LT_ERROR(SYMBOL_NOT_FOUND, "symbol not found\0") \
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LT_ERROR(NO_MEMORY, "not enough memory\0") \
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LT_ERROR(INVALID_HANDLE, "invalid module handle\0") \
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LT_ERROR(BUFFER_OVERFLOW, "internal buffer overflow\0") \
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LT_ERROR(INVALID_ERRORCODE, "invalid errorcode\0") \
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LT_ERROR(SHUTDOWN, "library already shutdown\0") \
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LT_ERROR(CLOSE_RESIDENT_MODULE, "can't close resident module\0") \
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LT_ERROR(INVALID_MUTEX_ARGS, "internal error (code withdrawn)\0")\
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LT_ERROR(INVALID_POSITION, "invalid search path insert position\0")\
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LT_ERROR(CONFLICTING_FLAGS, "symbol visibility can be global or local\0")
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/* Enumerate the symbolic error names. */
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enum {
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#define LT_ERROR(name, diagnostic) LT_CONC(LT_ERROR_, name),
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lt_dlerror_table
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#undef LT_ERROR
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LT_ERROR_MAX
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};
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/* Should be max of the error string lengths above (plus one for C++) */
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#define LT_ERROR_LEN_MAX (41)
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/* These functions are only useful from inside custom module loaders. */
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LT_SCOPE int lt_dladderror (const char *diagnostic);
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LT_SCOPE int lt_dlseterror (int errorcode);
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LT_END_C_DECLS
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#endif /*!defined LT_ERROR_H*/
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