Commit | Line | Data |
---|---|---|
8d138742 CE |
1 | /* lt_error.h -- error propogation interface |
2 | ||
3 | Copyright (C) 1999, 2000, 2001, 2004, 2007 Free Software Foundation, Inc. | |
4 | Written by Thomas Tanner, 1999 | |
5 | ||
6 | NOTE: The canonical source of this file is maintained with the | |
7 | GNU Libtool package. Report bugs to bug-libtool@gnu.org. | |
8 | ||
9 | GNU Libltdl is free software; you can redistribute it and/or | |
10 | modify it under the terms of the GNU Lesser General Public | |
11 | License as published by the Free Software Foundation; either | |
12 | version 2 of the License, or (at your option) any later version. | |
13 | ||
14 | As a special exception to the GNU Lesser General Public License, | |
15 | if you distribute this file as part of a program or library that | |
16 | is built using GNU Libtool, you may include this file under the | |
17 | same distribution terms that you use for the rest of that program. | |
18 | ||
19 | GNU Libltdl is distributed in the hope that it will be useful, | |
20 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | GNU Lesser General Public License for more details. | |
23 | ||
24 | You should have received a copy of the GNU Lesser General Public | |
25 | License along with GNU Libltdl; see the file COPYING.LIB. If not, a | |
26 | copy can be downloaded from http://www.gnu.org/licenses/lgpl.html, | |
27 | or obtained by writing to the Free Software Foundation, Inc., | |
28 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
29 | */ | |
30 | ||
31 | /* Only include this header file once. */ | |
32 | #if !defined(LT_ERROR_H) | |
33 | #define LT_ERROR_H 1 | |
34 | ||
35 | #include <libltdl/lt_system.h> | |
36 | ||
37 | LT_BEGIN_C_DECLS | |
38 | ||
39 | /* Defining error strings alongside their symbolic names in a macro in | |
40 | this way allows us to expand the macro in different contexts with | |
41 | confidence that the enumeration of symbolic names will map correctly | |
42 | onto the table of error strings. \0 is appended to the strings to | |
43 | expilicitely initialize the string terminator. */ | |
44 | #define lt_dlerror_table \ | |
45 | LT_ERROR(UNKNOWN, "unknown error\0") \ | |
46 | LT_ERROR(DLOPEN_NOT_SUPPORTED, "dlopen support not available\0") \ | |
47 | LT_ERROR(INVALID_LOADER, "invalid loader\0") \ | |
48 | LT_ERROR(INIT_LOADER, "loader initialization failed\0") \ | |
49 | LT_ERROR(REMOVE_LOADER, "loader removal failed\0") \ | |
50 | LT_ERROR(FILE_NOT_FOUND, "file not found\0") \ | |
51 | LT_ERROR(DEPLIB_NOT_FOUND, "dependency library not found\0") \ | |
52 | LT_ERROR(NO_SYMBOLS, "no symbols defined\0") \ | |
53 | LT_ERROR(CANNOT_OPEN, "can't open the module\0") \ | |
54 | LT_ERROR(CANNOT_CLOSE, "can't close the module\0") \ | |
55 | LT_ERROR(SYMBOL_NOT_FOUND, "symbol not found\0") \ | |
56 | LT_ERROR(NO_MEMORY, "not enough memory\0") \ | |
57 | LT_ERROR(INVALID_HANDLE, "invalid module handle\0") \ | |
58 | LT_ERROR(BUFFER_OVERFLOW, "internal buffer overflow\0") \ | |
59 | LT_ERROR(INVALID_ERRORCODE, "invalid errorcode\0") \ | |
60 | LT_ERROR(SHUTDOWN, "library already shutdown\0") \ | |
61 | LT_ERROR(CLOSE_RESIDENT_MODULE, "can't close resident module\0") \ | |
62 | LT_ERROR(INVALID_MUTEX_ARGS, "internal error (code withdrawn)\0")\ | |
63 | LT_ERROR(INVALID_POSITION, "invalid search path insert position\0")\ | |
64 | LT_ERROR(CONFLICTING_FLAGS, "symbol visibility can be global or local\0") | |
65 | ||
66 | /* Enumerate the symbolic error names. */ | |
67 | enum { | |
68 | #define LT_ERROR(name, diagnostic) LT_CONC(LT_ERROR_, name), | |
69 | lt_dlerror_table | |
70 | #undef LT_ERROR | |
71 | ||
72 | LT_ERROR_MAX | |
73 | }; | |
74 | ||
75 | /* Should be max of the error string lengths above (plus one for C++) */ | |
76 | #define LT_ERROR_LEN_MAX (41) | |
77 | ||
78 | /* These functions are only useful from inside custom module loaders. */ | |
79 | LT_SCOPE int lt_dladderror (const char *diagnostic); | |
80 | LT_SCOPE int lt_dlseterror (int errorcode); | |
81 | ||
82 | ||
83 | LT_END_C_DECLS | |
84 | ||
85 | #endif /*!defined(LT_ERROR_H)*/ |