1 /* debug.h - interface to debugging functions
2 Copyright (C) 2002, 2004, 2005, 2007 g10 Code GmbH
4 This file is part of GPGME.
6 GPGME is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of
9 the License, or (at your option) any later version.
11 GPGME is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
29 /* Indirect stringification, requires __STDC__ to work. */
30 #define STRINGIFY(v) #v
31 #define XSTRINGIFY(v) STRINGIFY(v)
34 /* The debug levels. */
37 #define DEBUG_GLOBAL 2
39 #define DEBUG_ENGINE 4
41 #define DEBUG_ASSUAN 6
45 /* Remove path components from filenames (i.e. __FILE__) for cleaner
47 static inline const char *_gpgme_debug_srcname (const char *file)
50 static inline const char *
51 _gpgme_debug_srcname (const char *file)
53 const char *s = strrchr (file, '/');
57 /* Called early to initialize the logging. */
58 void _gpgme_debug_subsystem_init (void);
60 /* Log the formatted string FORMAT at debug level LEVEL or higher. */
61 void _gpgme_debug (int level, const char *format, ...);
63 /* Start a new debug line in *LINE, logged at level LEVEL or higher,
64 and starting with the formatted string FORMAT. */
65 void _gpgme_debug_begin (void **helper, int level, const char *format, ...);
67 /* Add the formatted string FORMAT to the debug line *LINE. */
68 void _gpgme_debug_add (void **helper, const char *format, ...);
70 /* Finish construction of *LINE and send it to the debug output
72 void _gpgme_debug_end (void **helper);
74 void _gpgme_debug_buffer (int lvl, const char *const fmt,
75 const char *const func, const char *const buffer,
78 void _gpgme_debug_frame_begin (void);
79 void _gpgme_debug_frame_end (void);
86 #define _gpgme_debug_trace() 1
88 #define _TRACE(lvl, name, tag) \
89 int _gpgme_trace_level = lvl; \
90 const char *const _gpgme_trace_func = name; \
91 const char *const _gpgme_trace_tagname = STRINGIFY (tag); \
92 void *_gpgme_trace_tag = (void *) (uintptr_t) tag; \
93 _gpgme_debug_frame_begin ()
95 #define TRACE_BEG(lvl, name, tag) \
96 _TRACE (lvl, name, tag); \
97 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p\n", \
98 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag), 0
99 #define TRACE_BEG0(lvl, name, tag, fmt) \
100 _TRACE (lvl, name, tag); \
101 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
102 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag), 0
103 #define TRACE_BEG1(lvl, name, tag, fmt, arg1) \
104 _TRACE (lvl, name, tag); \
105 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
106 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
108 #define TRACE_BEG2(lvl, name, tag, fmt, arg1, arg2) \
109 _TRACE (lvl, name, tag); \
110 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
111 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
113 #define TRACE_BEG3(lvl, name, tag, fmt, arg1, arg2, arg3) \
114 _TRACE (lvl, name, tag); \
115 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
116 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
118 #define TRACE_BEG4(lvl, name, tag, fmt, arg1, arg2, arg3, arg4) \
119 _TRACE (lvl, name, tag); \
120 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
121 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
122 arg1, arg2, arg3, arg4), 0
123 #define TRACE_BEG5(lvl, name, tag, fmt, arg1, arg2, arg3, arg4, arg5) \
124 _TRACE (lvl, name, tag); \
125 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
126 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
127 arg1, arg2, arg3, arg4, arg5), 0
128 #define TRACE_BEG7(lvl, name, tag, fmt, arg1, arg2, arg3, arg4, \
130 _TRACE (lvl, name, tag); \
131 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
132 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
133 arg1, arg2, arg3, arg4, arg5, \
135 #define TRACE_BEG8(lvl, name, tag, fmt, arg1, arg2, arg3, arg4, \
136 arg5, arg6, arg7, arg8) \
137 _TRACE (lvl, name, tag); \
138 _gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
139 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
140 arg1, arg2, arg3, arg4, arg5, \
143 #define TRACE(lvl, name, tag) \
144 _gpgme_debug_frame_begin (), \
145 _gpgme_debug (lvl, "%s: call: %s=%p\n", \
146 name, STRINGIFY (tag), (void *) (uintptr_t) tag), \
147 _gpgme_debug_frame_end (), 0
148 #define TRACE0(lvl, name, tag, fmt) \
149 _gpgme_debug_frame_begin (), \
150 _gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
151 name, STRINGIFY (tag), (void *) (uintptr_t) tag), \
152 _gpgme_debug_frame_end (), 0
153 #define TRACE1(lvl, name, tag, fmt, arg1) \
154 _gpgme_debug_frame_begin (), \
155 _gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
156 name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1), \
157 _gpgme_debug_frame_end (), 0
158 #define TRACE2(lvl, name, tag, fmt, arg1, arg2) \
159 _gpgme_debug_frame_begin (), \
160 _gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
161 name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \
162 arg2), _gpgme_debug_frame_end (), 0
163 #define TRACE3(lvl, name, tag, fmt, arg1, arg2, arg3) \
164 _gpgme_debug_frame_begin (), \
165 _gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
166 name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \
167 arg2, arg3), _gpgme_debug_frame_end (), 0
168 #define TRACE6(lvl, name, tag, fmt, arg1, arg2, arg3, arg4, arg5, arg6) \
169 _gpgme_debug_frame_begin (), \
170 _gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
171 name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \
172 arg2, arg3, arg4, arg5, arg6), \
173 _gpgme_debug_frame_end (), 0
175 #define TRACE_ERR(err) \
176 err == 0 ? (TRACE_SUC ()) : \
177 (_gpgme_debug (_gpgme_trace_level, "%s: error: %s <%s>\n", \
178 _gpgme_trace_func, gpgme_strerror (err), \
179 gpgme_strsource (err)), _gpgme_debug_frame_end (), (err))
180 /* The cast to void suppresses GCC warnings. */
181 #define TRACE_SYSRES(res) \
182 res >= 0 ? ((void) (TRACE_SUC1 ("result=%i", res)), (res)) : \
183 (_gpgme_debug (_gpgme_trace_level, "%s: error: %s\n", \
184 _gpgme_trace_func, strerror (errno)), _gpgme_debug_frame_end (), (res))
185 #define TRACE_SYSERR(res) \
186 res == 0 ? ((void) (TRACE_SUC1 ("result=%i", res)), (res)) : \
187 (_gpgme_debug (_gpgme_trace_level, "%s: error: %s\n", \
188 _gpgme_trace_func, strerror (res)), \
189 _gpgme_debug_frame_end (), (res))
191 #define TRACE_SUC() \
192 _gpgme_debug (_gpgme_trace_level, "%s: leave\n", \
193 _gpgme_trace_func), _gpgme_debug_frame_end (), 0
194 #define TRACE_SUC0(fmt) \
195 _gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
196 _gpgme_trace_func), _gpgme_debug_frame_end (), 0
197 #define TRACE_SUC1(fmt, arg1) \
198 _gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
199 _gpgme_trace_func, arg1), _gpgme_debug_frame_end (), 0
200 #define TRACE_SUC2(fmt, arg1, arg2) \
201 _gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
202 _gpgme_trace_func, arg1, arg2), _gpgme_debug_frame_end (), 0
203 #define TRACE_SUC5(fmt, arg1, arg2, arg3, arg4, arg5) \
204 _gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
205 _gpgme_trace_func, arg1, arg2, arg3, arg4, arg5), \
206 _gpgme_debug_frame_end (), 0
207 #define TRACE_SUC6(fmt, arg1, arg2, arg3, arg4, arg5, arg6) \
208 _gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
209 _gpgme_trace_func, arg1, arg2, arg3, arg4, arg5, arg6), \
210 _gpgme_debug_frame_end (), 0
212 #define TRACE_LOG(fmt) \
213 _gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
214 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag), 0
215 #define TRACE_LOG1(fmt, arg1) \
216 _gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
217 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
219 #define TRACE_LOG2(fmt, arg1, arg2) \
220 _gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
221 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
223 #define TRACE_LOG3(fmt, arg1, arg2, arg3) \
224 _gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
225 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
227 #define TRACE_LOG4(fmt, arg1, arg2, arg3, arg4) \
228 _gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
229 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
230 arg1, arg2, arg3, arg4), 0
231 #define TRACE_LOG5(fmt, arg1, arg2, arg3, arg4, arg5) \
232 _gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
233 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
234 arg1, arg2, arg3, arg4, arg5), 0
235 #define TRACE_LOG6(fmt, arg1, arg2, arg3, arg4, arg5, arg6) \
236 _gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
237 _gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
238 arg1, arg2, arg3, arg4, arg5, \
241 #define TRACE_LOGBUF(buf, len) \
242 _gpgme_debug_buffer (_gpgme_trace_level, "%s: check: %s", \
243 _gpgme_trace_func, buf, len)
245 #define TRACE_SEQ(hlp,fmt) \
246 _gpgme_debug_begin (&(hlp), _gpgme_trace_level, \
247 "%s: check: %s=%p, " fmt, _gpgme_trace_func, \
248 _gpgme_trace_tagname, _gpgme_trace_tag)
249 #define TRACE_ADD0(hlp,fmt) \
250 _gpgme_debug_add (&(hlp), fmt)
251 #define TRACE_ADD1(hlp,fmt,a) \
252 _gpgme_debug_add (&(hlp), fmt, (a))
253 #define TRACE_ADD2(hlp,fmt,a,b) \
254 _gpgme_debug_add (&(hlp), fmt, (a), (b))
255 #define TRACE_ADD3(hlp,fmt,a,b,c) \
256 _gpgme_debug_add (&(hlp), fmt, (a), (b), (c))
257 #define TRACE_END(hlp,fmt) \
258 _gpgme_debug_add (&(hlp), fmt); \
259 _gpgme_debug_end (&(hlp))
260 #define TRACE_ENABLED(hlp) (!!(hlp))