source: squid-ssl/trunk/fuentes/libltdl/libltdl/lt_error.h @ 5496

Last change on this file since 5496 was 5496, checked in by Juanma, 22 months ago

Initial release

File size: 3.6 KB
Line 
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
9GNU Libltdl is free software; you can redistribute it and/or
10modify it under the terms of the GNU Lesser General Public
11License as published by the Free Software Foundation; either
12version 2 of the License, or (at your option) any later version.
13
14As a special exception to the GNU Lesser General Public License,
15if you distribute this file as part of a program or library that
16is built using GNU Libtool, you may include this file under the
17same distribution terms that you use for the rest of that program.
18
19GNU Libltdl is distributed in the hope that it will be useful,
20but WITHOUT ANY WARRANTY; without even the implied warranty of
21MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22GNU Lesser General Public License for more details.
23
24You should have received a copy of the GNU Lesser General Public
25License along with GNU Libltdl; see the file COPYING.LIB.  If not, a
26copy can be downloaded from  http://www.gnu.org/licenses/lgpl.html,
27or obtained by writing to the Free Software Foundation, Inc.,
2851 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
37LT_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. */
67enum {
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. */
79LT_SCOPE int    lt_dladderror   (const char *diagnostic);
80LT_SCOPE int    lt_dlseterror   (int errorcode);
81
82
83LT_END_C_DECLS
84
85#endif /*!defined(LT_ERROR_H)*/
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