5262ce0c81
* src/debug.h (TRACE_SYSERR_NR): New. * src/w32-io.c: Fix compiler warnings. Signed-off-by: Werner Koch <wk@gnupg.org>
300 lines
12 KiB
C
300 lines
12 KiB
C
/* debug.h - interface to debugging functions
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Copyright (C) 2002, 2004, 2005, 2007 g10 Code GmbH
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This file is part of GPGME.
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GPGME is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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GPGME is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifndef DEBUG_H
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#define DEBUG_H
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#include <string.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include "gpgme.h" /* Required for gpgme_error stuff. */
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/* Indirect stringification, requires __STDC__ to work. */
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#define STRINGIFY(v) #v
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#define XSTRINGIFY(v) STRINGIFY(v)
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/*
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* The debug levels.
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*
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* Note that TRACE_LOGBUFX uses the current debug level + 1.
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*/
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#define DEBUG_INIT 1
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#define DEBUG_GLOBAL 2
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#define DEBUG_CTX 3
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#define DEBUG_ENGINE 4
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#define DEBUG_DATA 5
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#define DEBUG_ASSUAN 6
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#define DEBUG_SYSIO 7
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/* Remove path components from filenames (i.e. __FILE__) for cleaner
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logs. */
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static inline const char *_gpgme_debug_srcname (const char *file)
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GPGME_GCC_A_PURE;
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static inline const char *
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_gpgme_debug_srcname (const char *file)
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{
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const char *s = strrchr (file, '/');
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return s? s+1:file;
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}
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/* Initialization helper function; see debug.c. */
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int _gpgme_debug_set_debug_envvar (const char *value);
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/* Called early to initialize the logging. */
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void _gpgme_debug_subsystem_init (void);
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/* Log the formatted string FORMAT at debug level LEVEL or higher. */
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int _gpgme_debug (int level, const char *format, ...);
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/* Start a new debug line in *LINE, logged at level LEVEL or higher,
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and starting with the formatted string FORMAT. */
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void _gpgme_debug_begin (void **helper, int level, const char *format, ...);
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/* Add the formatted string FORMAT to the debug line *LINE. */
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void _gpgme_debug_add (void **helper, const char *format, ...);
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/* Finish construction of *LINE and send it to the debug output
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stream. */
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void _gpgme_debug_end (void **helper);
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void _gpgme_debug_buffer (int lvl, const char *const fmt,
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const char *const func, const char *const buffer,
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size_t len);
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void _gpgme_debug_frame_begin (void);
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int _gpgme_debug_frame_end (void);
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static inline gpgme_error_t
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_gpgme_trace_gpgme_error (gpgme_error_t err, const char *file, int line)
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{
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_gpgme_debug (DEBUG_ENGINE, "%s:%d: returning error: %s\n",
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_gpgme_debug_srcname (file), line, gpgme_strerror (err));
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return err;
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}
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/* Trace support. */
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/* FIXME: For now. */
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#define _gpgme_debug_trace() 1
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#define _TRACE(lvl, name, tag) \
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int _gpgme_trace_level = lvl; \
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const char *const _gpgme_trace_func = name; \
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const char *const _gpgme_trace_tagname = STRINGIFY (tag); \
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void *_gpgme_trace_tag = (void *) (uintptr_t) tag; \
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_gpgme_debug_frame_begin ()
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#define TRACE_BEG(lvl, name, tag) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag)
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#define TRACE_BEG0(lvl, name, tag, fmt) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag)
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#define TRACE_BEG1(lvl, name, tag, fmt, arg1) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1)
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#define TRACE_BEG2(lvl, name, tag, fmt, arg1, arg2) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2)
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#define TRACE_BEG3(lvl, name, tag, fmt, arg1, arg2, arg3) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3)
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#define TRACE_BEG4(lvl, name, tag, fmt, arg1, arg2, arg3, arg4) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3, arg4)
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#define TRACE_BEG5(lvl, name, tag, fmt, arg1, arg2, arg3, arg4, arg5) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3, arg4, arg5)
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#define TRACE_BEG7(lvl, name, tag, fmt, arg1, arg2, arg3, arg4, \
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arg5, arg6, arg7) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3, arg4, arg5, arg6, arg7)
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#define TRACE_BEG8(lvl, name, tag, fmt, arg1, arg2, arg3, arg4, \
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arg5, arg6, arg7, arg8) \
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_TRACE (lvl, name, tag); \
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_gpgme_debug (_gpgme_trace_level, "%s: enter: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8)
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#define TRACE(lvl, name, tag) \
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_gpgme_debug_frame_begin (), \
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_gpgme_debug (lvl, "%s: call: %s=%p\n", \
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name, STRINGIFY (tag), (void *) (uintptr_t) tag), \
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_gpgme_debug_frame_end ()
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#define TRACE0(lvl, name, tag, fmt) \
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_gpgme_debug_frame_begin (), \
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_gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
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name, STRINGIFY (tag), (void *) (uintptr_t) tag), \
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_gpgme_debug_frame_end ()
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#define TRACE1(lvl, name, tag, fmt, arg1) \
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_gpgme_debug_frame_begin (), \
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_gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
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name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1), \
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_gpgme_debug_frame_end ()
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#define TRACE2(lvl, name, tag, fmt, arg1, arg2) \
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_gpgme_debug_frame_begin (), \
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_gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
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name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \
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arg2), _gpgme_debug_frame_end ()
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#define TRACE3(lvl, name, tag, fmt, arg1, arg2, arg3) \
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_gpgme_debug_frame_begin (), \
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_gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
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name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \
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arg2, arg3), _gpgme_debug_frame_end ()
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#define TRACE6(lvl, name, tag, fmt, arg1, arg2, arg3, arg4, arg5, arg6) \
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_gpgme_debug_frame_begin (), \
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_gpgme_debug (lvl, "%s: call: %s=%p, " fmt "\n", \
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name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \
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arg2, arg3, arg4, arg5, arg6), \
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_gpgme_debug_frame_end ()
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#define TRACE_ERR(err) \
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err == 0 ? (TRACE_SUC ()) : \
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(_gpgme_debug (_gpgme_trace_level, "%s:%d: error: %s <%s>\n", \
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_gpgme_trace_func, __LINE__, gpgme_strerror (err), \
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gpgme_strsource (err)), _gpgme_debug_frame_end (), (err))
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/* The cast to void suppresses GCC warnings. */
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#define TRACE_SYSRES(res) \
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res >= 0 ? ((void) (TRACE_SUC1 ("result=%i", res)), (res)) : \
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(_gpgme_debug (_gpgme_trace_level, "%s: error: %s\n", \
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_gpgme_trace_func, strerror (errno)), _gpgme_debug_frame_end (), (res))
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#define TRACE_SYSERR(res) \
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res == 0 ? ((void) (TRACE_SUC1 ("result=%i", res)), (res)) : \
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(_gpgme_debug (_gpgme_trace_level, "%s: error: %s\n", \
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_gpgme_trace_func, strerror (res)), \
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_gpgme_debug_frame_end (), (res))
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#define TRACE_SYSERR_NR(res) \
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do { res == 0 ? ((void) (TRACE_SUC1 ("result=%i", res)), (res)) : \
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(_gpgme_debug (_gpgme_trace_level, "%s: error: %s\n", \
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_gpgme_trace_func, strerror (res)), \
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_gpgme_debug_frame_end ()); } while (0)
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#define TRACE_SUC() \
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_gpgme_debug (_gpgme_trace_level, "%s: leave\n", \
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_gpgme_trace_func), _gpgme_debug_frame_end ()
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#define TRACE_SUC0(fmt) \
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_gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
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_gpgme_trace_func), _gpgme_debug_frame_end ()
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#define TRACE_SUC1(fmt, arg1) \
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_gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
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_gpgme_trace_func, arg1), _gpgme_debug_frame_end ()
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#define TRACE_SUC2(fmt, arg1, arg2) \
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_gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
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_gpgme_trace_func, arg1, arg2), _gpgme_debug_frame_end ()
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#define TRACE_SUC3(fmt, arg1, arg2, arg3) \
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_gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
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_gpgme_trace_func, arg1, arg2, arg3), _gpgme_debug_frame_end ()
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#define TRACE_SUC4(fmt, arg1, arg2, arg3, arg4) \
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_gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
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_gpgme_trace_func, arg1, arg2, arg3, arg4), \
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_gpgme_debug_frame_end ()
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#define TRACE_SUC5(fmt, arg1, arg2, arg3, arg4, arg5) \
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_gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
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_gpgme_trace_func, arg1, arg2, arg3, arg4, arg5), \
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_gpgme_debug_frame_end ()
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#define TRACE_SUC6(fmt, arg1, arg2, arg3, arg4, arg5, arg6) \
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_gpgme_debug (_gpgme_trace_level, "%s: leave: " fmt "\n", \
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_gpgme_trace_func, arg1, arg2, arg3, arg4, arg5, arg6), \
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_gpgme_debug_frame_end ()
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#define TRACE_LOG(fmt) \
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_gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag)
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#define TRACE_LOG1(fmt, arg1) \
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_gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1)
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#define TRACE_LOG2(fmt, arg1, arg2) \
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_gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2)
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#define TRACE_LOG3(fmt, arg1, arg2, arg3) \
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_gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3)
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#define TRACE_LOG4(fmt, arg1, arg2, arg3, arg4) \
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_gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3, arg4)
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#define TRACE_LOG5(fmt, arg1, arg2, arg3, arg4, arg5) \
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_gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3, arg4, arg5)
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#define TRACE_LOG6(fmt, arg1, arg2, arg3, arg4, arg5, arg6) \
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_gpgme_debug (_gpgme_trace_level, "%s: check: %s=%p, " fmt "\n", \
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_gpgme_trace_func, _gpgme_trace_tagname, _gpgme_trace_tag, \
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arg1, arg2, arg3, arg4, arg5, arg6)
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#define TRACE_LOGBUF(buf, len) \
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_gpgme_debug_buffer (_gpgme_trace_level, "%s: check: %s", \
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_gpgme_trace_func, buf, len)
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#define TRACE_LOGBUFX(buf, len) \
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_gpgme_debug_buffer (_gpgme_trace_level+1, "%s: check: %s", \
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_gpgme_trace_func, buf, len)
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#define TRACE_SEQ(hlp,fmt) \
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_gpgme_debug_begin (&(hlp), _gpgme_trace_level, \
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"%s: check: %s=%p, " fmt, _gpgme_trace_func, \
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_gpgme_trace_tagname, _gpgme_trace_tag)
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#define TRACE_ADD0(hlp,fmt) \
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_gpgme_debug_add (&(hlp), fmt)
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#define TRACE_ADD1(hlp,fmt,a) \
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_gpgme_debug_add (&(hlp), fmt, (a))
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#define TRACE_ADD2(hlp,fmt,a,b) \
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_gpgme_debug_add (&(hlp), fmt, (a), (b))
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#define TRACE_ADD3(hlp,fmt,a,b,c) \
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_gpgme_debug_add (&(hlp), fmt, (a), (b), (c))
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#define TRACE_END(hlp,fmt) \
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_gpgme_debug_add (&(hlp), fmt); \
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_gpgme_debug_end (&(hlp))
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#define TRACE_ENABLED(hlp) (!!(hlp))
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/* And finally a simple macro to trace the location of an error code.
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This macro is independent of the other trace macros and may be used
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without any preconditions. */
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#define trace_gpg_error(e) \
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_gpgme_trace_gpgme_error (gpg_error (e), __FILE__, __LINE__)
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#endif /* DEBUG_H */
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