1 /*
2 *
3 * Conky, a system monitor, based on torsmo
4 *
5 * Any original torsmo code is licensed under the BSD license
6 *
7 * All code written since the fork of torsmo is licensed under the GPL
8 *
9 * Please see COPYING for details
10 *
11 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
12 * Copyright (c) 2005-2021 Brenden Matthews, Philip Kovacs, et. al.
13 * (see AUTHORS)
14 * All rights reserved.
15 *
16 * This program is free software: you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation, either version 3 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 *
28 */
29
30 #ifndef _LOGGING_H
31 #define _LOGGING_H
32
33 #include <cstdio>
34 #include <stdexcept>
35 #include "config.h"
36 #include "i18n.h"
37
38 class fork_throw : public std::runtime_error {
39 public:
fork_throw()40 fork_throw() : std::runtime_error("Fork happened") {}
fork_throw(const std::string & msg)41 fork_throw(const std::string &msg) : std::runtime_error(msg) {}
42 };
43
44 class unknown_arg_throw : public std::runtime_error {
45 public:
unknown_arg_throw()46 unknown_arg_throw() : std::runtime_error("Unknown argumunt given") {}
unknown_arg_throw(const std::string & msg)47 unknown_arg_throw(const std::string &msg) : std::runtime_error(msg) {}
48 };
49
50 class combine_needs_2_args_error : public std::runtime_error {
51 public:
combine_needs_2_args_error()52 combine_needs_2_args_error()
53 : std::runtime_error("combine needs arguments: <text1> <text2>") {}
combine_needs_2_args_error(const std::string & msg)54 combine_needs_2_args_error(const std::string &msg)
55 : std::runtime_error(msg) {}
56 };
57
58 class obj_create_error : public std::runtime_error {
59 public:
obj_create_error()60 obj_create_error() : std::runtime_error("Failed to create object") {}
obj_create_error(const std::string & msg)61 obj_create_error(const std::string &msg) : std::runtime_error(msg) {}
62 };
63
64 void clean_up(void *memtofree1, void *memtofree2);
65 void clean_up_without_threads(void *memtofree1, void *memtofree2);
66
67 template <typename... Args>
gettextize_format(const char * format,Args &&...args)68 inline void gettextize_format(const char *format, Args &&...args) {
69 fprintf(stderr, _(format), args...);
70 }
71
72 // explicit specialization for no arguments to avoid the
73 // "format not a string literal and no format arguments" warning
gettextize_format(const char * format)74 inline void gettextize_format(const char *format) { fputs(_(format), stderr); }
75
76 template <typename... Args>
NORM_ERR(const char * format,Args &&...args)77 void NORM_ERR(const char *format, Args &&...args) {
78 fprintf(stderr, PACKAGE_NAME ": ");
79 gettextize_format(format, args...);
80 fputs("\n", stderr);
81 }
82
83 /* critical error */
84 template <typename... Args>
CRIT_ERR(void * memtofree1,void * memtofree2,const char * format,Args &&...args)85 inline void CRIT_ERR(void *memtofree1, void *memtofree2, const char *format,
86 Args &&...args) {
87 NORM_ERR(format, args...);
88 clean_up(memtofree1, memtofree2);
89 exit(EXIT_FAILURE);
90 }
91
92 template <typename... Args>
THREAD_CRIT_ERR(void * memtofree1,void * memtofree2,const char * format,Args &&...args)93 inline void THREAD_CRIT_ERR(void *memtofree1, void *memtofree2,
94 const char *format, Args &&...args) {
95 NORM_ERR(format, args...);
96 clean_up_without_threads(memtofree1, memtofree2);
97 return;
98 }
99
100 namespace conky {
101 class error : public std::runtime_error {
102 public:
error(const std::string & msg)103 error(const std::string &msg) : std::runtime_error(msg) {}
104 };
105 } // namespace conky
106
107 /* debugging output */
108 extern int global_debug_level;
109
110 #define __DBGP(level, ...) \
111 do { \
112 if (global_debug_level > level) { \
113 fprintf(stderr, "DEBUG(%d) [" __FILE__ ":%d]: ", level, __LINE__); \
114 gettextize_format(__VA_ARGS__); \
115 fputs("\n", stderr); \
116 } \
117 } while (0)
118 #define DBGP(...) __DBGP(0, __VA_ARGS__)
119 #define DBGP2(...) __DBGP(1, __VA_ARGS__)
120
121 #endif /* _LOGGING_H */
122