Fix all warnings found via clang.
[awesomized/libmemcached] / libtest / fatal.cc
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Data Differential YATL (i.e. libtest) library
4 *
5 * Copyright (C) 2012 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
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37 #include <config.h>
38 #include <libtest/common.h>
39 #include <cstdarg>
40
41 namespace libtest {
42
43 exception::exception(const char *file_, int line_, const char *func_) :
44 std::runtime_error(func_),
45 _file(file_),
46 _line(line_),
47 _func(func_)
48 {
49 }
50
51 #ifndef __INTEL_COMPILER
52 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
53 #endif
54
55 fatal::fatal(const char *file_, int line_, const char *func_, const char *format, ...) :
56 exception(file_, line_, func_)
57 {
58 va_list args;
59 va_start(args, format);
60 char last_error[BUFSIZ];
61 int last_error_length= vsnprintf(last_error, sizeof(last_error), format, args);
62 va_end(args);
63
64 snprintf(_error_message, sizeof(_error_message), "%.*s", last_error_length, last_error);
65 }
66
67 static bool _disabled= false;
68 static uint32_t _counter= 0;
69
70 bool fatal::is_disabled()
71 {
72 return _disabled;
73 }
74
75 void fatal::disable()
76 {
77 _disabled= true;
78 }
79
80 void fatal::enable()
81 {
82 _disabled= false;
83 }
84
85 uint32_t fatal::disabled_counter()
86 {
87 return _counter;
88 }
89
90 void fatal::increment_disabled_counter()
91 {
92 _counter++;
93 }
94
95 disconnected::disconnected(const char *file_, int line_, const char *func_,
96 const std::string& instance, const in_port_t port,
97 const char *format, ...) :
98 exception(file_, line_, func_),
99 _port(port)
100 {
101 va_list args;
102 va_start(args, format);
103 char last_error[BUFSIZ];
104 (void)vsnprintf(last_error, sizeof(last_error), format, args);
105 va_end(args);
106
107 snprintf(_error_message, sizeof(_error_message), "%s:%u %s", instance.c_str(), uint32_t(port), last_error);
108 }
109
110 start::start(const char *file_, int line_, const char *func_,
111 const std::string& instance, const in_port_t port,
112 const char *format, ...) :
113 exception(file_, line_, func_),
114 _port(port)
115 {
116 va_list args;
117 va_start(args, format);
118 char last_error[BUFSIZ];
119 (void)vsnprintf(last_error, sizeof(last_error), format, args);
120 va_end(args);
121
122 snprintf(_error_message, sizeof(_error_message), "%s:%u %s", instance.c_str(), uint32_t(port), last_error);
123 }
124
125 } // namespace libtest
126