1 /*
2 libparted - a library for manipulating disk partitions
3 Copyright (C) 2000, 2005, 2007 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #include <config.h>
20 #include <parted/parted.h>
21 #include <parted/debug.h>
22
23 #if ENABLE_NLS
24 # include <libintl.h>
25 # define _(String) dgettext (PACKAGE, String)
26 #else
27 # define _(String) (String)
28 #endif /* ENABLE_NLS */
29
30 #ifdef DEBUG
31
32 #if HAVE_BACKTRACE
33 #include <execinfo.h>
34 #endif
35
36 static void default_handler ( const int level, const char* file, int line,
37 const char* function, const char* msg );
38 static PedDebugHandler* debug_handler = &default_handler;
39
40
41 /**
42 * Default debug handler.
43 * Will print all information to stderr.
44 */
default_handler(const int level,const char * file,int line,const char * function,const char * msg)45 static void default_handler ( const int level, const char* file, int line,
46 const char* function, const char* msg )
47 {
48 fprintf ( stderr, "[%d] %s:%d (%s): %s\n",
49 level, file, line, function, msg );
50 }
51
52 /**
53 * Send a debug message.
54 * Do not call this directly -- use PED_DEBUG() instead.
55 *
56 * level log level, 0 ~= "print definitely"
57 */
ped_debug(const int level,const char * file,int line,const char * function,const char * msg,...)58 void ped_debug ( const int level, const char* file, int line,
59 const char* function, const char* msg, ... )
60 {
61 va_list arg_list;
62 char* msg_concat = ped_malloc(8192);
63
64 va_start ( arg_list, msg );
65 vsnprintf ( msg_concat, 8192, msg, arg_list );
66 va_end ( arg_list );
67
68 debug_handler ( level, file, line, function, msg_concat );
69
70 ped_free ( msg_concat );
71 }
72
73 /*
74 * handler debug handler; NULL for default handler
75 */
ped_debug_set_handler(PedDebugHandler * handler)76 void ped_debug_set_handler ( PedDebugHandler* handler )
77 {
78 debug_handler = ( handler ? handler : default_handler );
79 }
80
81 /*
82 * Check an assertion.
83 * Do not call this directly -- use PED_ASSERT() instead.
84 */
ped_assert(int cond,const char * cond_text,const char * file,int line,const char * function)85 int ped_assert ( int cond, const char* cond_text,
86 const char* file, int line, const char* function )
87 {
88 PedExceptionOption opt;
89
90 if ( cond )
91 return 1;
92
93 #if HAVE_BACKTRACE
94 /* Print backtrace stack */
95 void *stack[20];
96 char **strings, **string;
97 int size = backtrace(stack, 20);
98 strings = backtrace_symbols(stack, size);
99
100 if (strings) {
101 printf(_("Backtrace has %d calls on stack:\n"), size);
102 for (string = strings; size > 0; size--, string++)
103 printf(" %d: %s\n", size, *string);
104
105 free(strings);
106 }
107 #endif
108
109 /* Throw the exception */
110 opt = ped_exception_throw (
111 PED_EXCEPTION_BUG,
112 PED_EXCEPTION_IGNORE_CANCEL,
113 _("Assertion (%s) at %s:%d in function %s() failed."),
114 cond_text, file, line, function );
115
116 return ( opt == PED_EXCEPTION_IGNORE );
117 }
118
119 #endif /* DEBUG */
120
121