1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/**********************************************************************
* $Id: cpl_error.cpp,v 1.3 1998/12/15 19:02:27 warmerda Exp $
*
* Name: cpl_error.cpp
* Project: CPL - Common Portability Library
* Purpose: Error handling functions.
* Author: Daniel Morissette, dmorissette@mapgears.com
*
**********************************************************************
* Copyright (c) 1998, Daniel Morissette
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
**********************************************************************
*
* $Log: cpl_error.cpp,v $
* Revision 1.3 1998/12/15 19:02:27 warmerda
* Avoid use of errno as a variable
*
* Revision 1.2 1998/12/06 02:52:52 warmerda
* Implement assert support
*
* Revision 1.1 1998/12/03 18:26:02 warmerda
* New
*
**********************************************************************/
#include "cpl_error.h"
/* static buffer to store the last error message. We'll assume that error
* messages cannot be longer than 2000 chars... which is quite reasonable
* (that's 25 lines of 80 chars!!!)
*/
static char gszCPLLastErrMsg[2000] = "";
static int gnCPLLastErrNo = 0;
static void (*gpfnCPLErrorHandler)(CPLErr, int, const char *) = NULL;
/**********************************************************************
* CPLError()
*
* This function records an error code and displays the error message
* to stderr.
*
* The error code can be accessed later using CPLGetLastErrNo()
**********************************************************************/
void CPLError(CPLErr eErrClass, int err_no, const char *fmt, ...)
{
va_list args;
/* Expand the error message
*/
va_start(args, fmt);
vsprintf(gszCPLLastErrMsg, fmt, args);
va_end(args);
/* If the user provided his own error handling function, then call
* it, otherwise print the error to stderr and return.
*/
gnCPLLastErrNo = err_no;
if (gpfnCPLErrorHandler != NULL)
{
gpfnCPLErrorHandler(eErrClass, err_no, gszCPLLastErrMsg);
}
else
{
fprintf(stderr, "ERROR %d: %s\n", gnCPLLastErrNo, gszCPLLastErrMsg);
}
if( eErrClass == CE_Fatal )
abort();
}
/**********************************************************************
* CPLErrorReset()
*
* Erase any traces of previous errors.
**********************************************************************/
void CPLErrorReset()
{
gnCPLLastErrNo = 0;
gszCPLLastErrMsg[0] = '\0';
}
/**********************************************************************
* CPLGetLastErrorNo()
*
**********************************************************************/
int CPLGetLastErrorNo()
{
return gnCPLLastErrNo;
}
/**********************************************************************
* CPLGetLastErrorMsg()
*
**********************************************************************/
const char* CPLGetLastErrorMsg()
{
return gszCPLLastErrMsg;
}
/**********************************************************************
* CPLSetErrorHandler()
*
* Allow the library's user to specify his own error handler function.
*
* A valid error handler is a C function with the following prototype:
*
* void MyErrorHandler(int errno, const char *msg)
*
* Pass NULL to come back to the default behavior.
**********************************************************************/
void CPLSetErrorHandler(void (*pfnErrorHandler)(CPLErr, int, const char *))
{
gpfnCPLErrorHandler = pfnErrorHandler;
}
/************************************************************************/
/* _CPLAssert() */
/* */
/* This function is called only when an assertion fails. */
/************************************************************************/
void _CPLAssert( const char * pszExpression, const char * pszFile,
int iLine )
{
CPLError( CE_Fatal, CPLE_AssertionFailed,
"Assertion `%s' failed\n"
"in file `%s', line %d\n",
pszExpression, pszFile, iLine );
}
|
