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root/svn/ircd-hybrid/branches/8.2.x/libltdl/lt_error.c
Revision: 4901
Committed: Sat Nov 22 18:31:53 2014 UTC (9 years, 4 months ago) by michael
Content type: text/x-csrc
File size: 2967 byte(s)
Log Message:
- autoreconf

File Contents

# Content
1 /* lt_error.c -- error propagation interface
2
3 Copyright (C) 1999-2001, 2004-2005, 2007, 2011-2014 Free Software
4 Foundation, Inc.
5 Written by Thomas Tanner, 1999
6
7 NOTE: The canonical source of this file is maintained with the
8 GNU Libtool package. Report bugs to bug-libtool@gnu.org.
9
10 GNU Libltdl is free software; you can redistribute it and/or
11 modify it under the terms of the GNU Lesser General Public
12 License as published by the Free Software Foundation; either
13 version 2 of the License, or (at your option) any later version.
14
15 As a special exception to the GNU Lesser General Public License,
16 if you distribute this file as part of a program or library that
17 is built using GNU Libtool, you may include this file under the
18 same distribution terms that you use for the rest of that program.
19
20 GNU Libltdl is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU Lesser General Public License for more details.
24
25 You should have received a copy of the GNU Lesser General Public
26 License along with GNU Libltdl; see the file COPYING.LIB. If not, a
27 copy can be downloaded from http://www.gnu.org/licenses/lgpl.html,
28 or obtained by writing to the Free Software Foundation, Inc.,
29 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
30 */
31
32 #include "lt__private.h"
33 #include "lt_error.h"
34
35 static const char *last_error = 0;
36 static const char error_strings[LT_ERROR_MAX][LT_ERROR_LEN_MAX + 1] =
37 {
38 #define LT_ERROR(name, diagnostic) diagnostic,
39 lt_dlerror_table
40 #undef LT_ERROR
41 };
42
43 static const char **user_error_strings = 0;
44 static int errorcount = LT_ERROR_MAX;
45
46 int
47 lt_dladderror (const char *diagnostic)
48 {
49 int errindex = 0;
50 int result = -1;
51 const char **temp = (const char **) 0;
52
53 assert (diagnostic);
54
55 errindex = errorcount - LT_ERROR_MAX;
56 temp = REALLOC (const char *, user_error_strings, 1 + errindex);
57 if (temp)
58 {
59 user_error_strings = temp;
60 user_error_strings[errindex] = diagnostic;
61 result = errorcount++;
62 }
63
64 return result;
65 }
66
67 int
68 lt_dlseterror (int errindex)
69 {
70 int errors = 0;
71
72 if (errindex >= errorcount || errindex < 0)
73 {
74 /* Ack! Error setting the error message! */
75 LT__SETERROR (INVALID_ERRORCODE);
76 ++errors;
77 }
78 else if (errindex < LT_ERROR_MAX)
79 {
80 /* No error setting the error message! */
81 LT__SETERRORSTR (error_strings[errindex]);
82 }
83 else
84 {
85 /* No error setting the error message! */
86 LT__SETERRORSTR (user_error_strings[errindex - LT_ERROR_MAX]);
87 }
88
89 return errors;
90 }
91
92 const char *
93 lt__error_string (int errorcode)
94 {
95 assert (errorcode >= 0);
96 assert (errorcode < LT_ERROR_MAX);
97
98 return error_strings[errorcode];
99 }
100
101 const char *
102 lt__get_last_error (void)
103 {
104 return last_error;
105 }
106
107 const char *
108 lt__set_last_error (const char *errormsg)
109 {
110 return last_error = errormsg;
111 }

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