1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2  *
3  *  Data Differential YATL (i.e. libtest)  library
4  *
5  *  Copyright (C) 2012-2013 Data Differential, http://datadifferential.com/
6  *
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions are
9  *  met:
10  *
11  *      * Redistributions of source code must retain the above copyright
12  *  notice, this list of conditions and the following disclaimer.
13  *
14  *      * Redistributions in binary form must reproduce the above
15  *  copyright notice, this list of conditions and the following disclaimer
16  *  in the documentation and/or other materials provided with the
17  *  distribution.
18  *
19  *      * The names of its contributors may not be used to endorse or
20  *  promote products derived from this software without specific prior
21  *  written permission.
22  *
23  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  *
35  */
36 
37 #include "libtest/yatlcon.h"
38 #include <libtest/common.h>
39 #include <cstdarg>
40 
41 namespace libtest {
42 
exception(const char * file_arg,int line_arg,const char * func_arg)43 exception::exception(const char *file_arg, int line_arg, const char *func_arg):
44   std::exception(),
45   _line(line_arg),
46   _file(file_arg),
47   _func(func_arg),
48   _error_message(NULL),
49   _error_message_size(0)
50 {
51 }
52 
53 #ifndef __INTEL_COMPILER
54 # pragma GCC diagnostic ignored "-Wformat-nonliteral"
55 #endif
init(va_list args_)56 void exception::init(va_list args_)
57 {
58   const char *format= va_arg(args_, const char *);
59   int error_message_length= vasprintf(&_error_message, format, args_);
60   assert(error_message_length != -1);
61   if (error_message_length > 0)
62   {
63     _error_message_size= error_message_length +1;
64   }
65 }
66 
~exception()67 exception::~exception() throw()
68 {
69   if (_error_message)
70   {
71     free(_error_message);
72   }
73 }
74 
what(size_t length_,const char * message_)75 void exception::what(size_t length_, const char* message_)
76 {
77   if (length_ > 0 and message_)
78   {
79     char *ptr= (char*) realloc(_error_message, length_ +1);
80     if (ptr)
81     {
82       _error_message= ptr;
83       memcpy(_error_message, message_, length_);
84       _error_message[length_]= 0;
85     }
86   }
87 }
88 
exception(const exception & other)89 exception::exception(const exception& other) :
90   std::exception(),
91   _line(other._line),
92   _file(other._file),
93   _func(other._func),
94   _error_message_size(0)
95 {
96   if (other.length() > 0)
97   {
98     _error_message= (char*) malloc(other.length() +1);
99     if (_error_message)
100     {
101       memcpy(_error_message, other._error_message, other.length());
102       _error_message_size= other.length();
103     }
104   }
105 }
106 
107 } // namespace libtest
108 
109