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root/svn/ircd-hybrid/branches/8.2.x/libltdl/lt_error.c
Revision: 1592
Committed: Sat Oct 27 21:02:32 2012 UTC (11 years, 5 months ago) by michael
Content type: text/x-csrc
Original Path: ircd-hybrid/trunk/libltdl/lt_error.c
File size: 2961 byte(s)
Log Message:
- Second time's the charm? Moving svnroot/ircd-hybrid-8 to
  svnroot/ircd-hybrid/trunk

File Contents

# User Rev Content
1 michael 945 /* lt_error.c -- error propogation interface
2    
3     Copyright (C) 1999, 2000, 2001, 2004, 2005, 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     #include "lt__private.h"
32     #include "lt_error.h"
33    
34     static const char *last_error = 0;
35     static const char error_strings[LT_ERROR_MAX][LT_ERROR_LEN_MAX + 1] =
36     {
37     #define LT_ERROR(name, diagnostic) diagnostic,
38     lt_dlerror_table
39     #undef LT_ERROR
40     };
41    
42     static const char **user_error_strings = 0;
43     static int errorcount = LT_ERROR_MAX;
44    
45     int
46     lt_dladderror (const char *diagnostic)
47     {
48     int errindex = 0;
49     int result = -1;
50     const char **temp = (const char **) 0;
51    
52     assert (diagnostic);
53    
54     errindex = errorcount - LT_ERROR_MAX;
55     temp = REALLOC (const char *, user_error_strings, 1 + errindex);
56     if (temp)
57     {
58     user_error_strings = temp;
59     user_error_strings[errindex] = diagnostic;
60     result = errorcount++;
61     }
62    
63     return result;
64     }
65    
66     int
67     lt_dlseterror (int errindex)
68     {
69     int errors = 0;
70    
71     if (errindex >= errorcount || errindex < 0)
72     {
73     /* Ack! Error setting the error message! */
74     LT__SETERROR (INVALID_ERRORCODE);
75     ++errors;
76     }
77     else if (errindex < LT_ERROR_MAX)
78     {
79     /* No error setting the error message! */
80     LT__SETERRORSTR (error_strings[errindex]);
81     }
82     else
83     {
84     /* No error setting the error message! */
85     LT__SETERRORSTR (user_error_strings[errindex - LT_ERROR_MAX]);
86     }
87    
88     return errors;
89     }
90    
91     const char *
92     lt__error_string (int errorcode)
93     {
94     assert (errorcode >= 0);
95     assert (errorcode < LT_ERROR_MAX);
96    
97     return error_strings[errorcode];
98     }
99    
100     const char *
101     lt__get_last_error (void)
102     {
103     return last_error;
104     }
105    
106     const char *
107     lt__set_last_error (const char *errormsg)
108     {
109     return last_error = errormsg;
110     }

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svn:eol-style native