129 lines
4.7 KiB
C
129 lines
4.7 KiB
C
/* debug.h - interface to debugging functions
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Copyright (C) 2002, 2004, 2005 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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/* 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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/* Log the formatted string FORMAT at debug level LEVEL or higher. */
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void _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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/* 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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#if 0
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/* Only works in GNU. */
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#define DEBUG(fmt, arg...) \
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_gpgme_debug (1, "%s:%s: " fmt, __FILE__, XSTRINGIFY (__LINE__) , ##arg)
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#define DEBUG_BEGIN(hlp, lvl, fmt, arg...) \
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_gpgme_debug_begin (&(hlp), lvl, "%s:%s: " fmt, __FILE__, \
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XSTRINGIFY (__LINE__) , ##arg)
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#define DEBUG_ADD(hlp, fmt, arg...) \
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_gpgme_debug_add (&(hlp), fmt , ##arg)
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#define DEBUG_END(hlp, fmt, arg...) \
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_gpgme_debug_add (&(hlp), fmt , ##arg); \
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_gpgme_debug_end (&(hlp))
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#elif 0
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/* Only works in C99. */
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#define DEBUG0(fmt) \
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_gpgme_debug (1, "%s:%s: " fmt, __FILE__, XSTRINGIFY (__LINE__))
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#define DEBUG(fmt, ...) \
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_gpgme_debug (1, "%s:%s: " fmt, __FILE__, XSTRINGIFY (__LINE__), __VA_ARGS__)
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#define DEBUG_BEGIN(hlp, lvl, fmt) \
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_gpgme_debug_begin (&(hlp), lvl, "%s:%s: " fmt, __FILE__, \
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XSTRINGIFY (__LINE__))
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#define DEBUG_BEGINX(hlp, lvl, fmt, ...) \
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_gpgme_debug_begin (&(hlp), lvl, "%s:%s: " fmt, __FILE__, \
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XSTRINGIFY (__LINE__), __VA_ARGS__)
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#define DEBUG_ADD0(hlp, fmt) \
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_gpgme_debug_add (&(hlp), fmt)
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#define DEBUG_ADD(hlp, fmt, ...) \
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_gpgme_debug_add (&(hlp), fmt, __VA_ARGS__)
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#define DEBUG_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 DEBUG_ENDX(hlp, fmt, ...) \
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_gpgme_debug_add (&(hlp), fmt, __VA_ARGS__); \
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_gpgme_debug_end (&(hlp))
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#else
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/* This finally works everywhere, horror. */
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#define DEBUG0(fmt) \
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_gpgme_debug (1, "%s:%s: " fmt, _gpgme_debug_srcname (__FILE__), \
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XSTRINGIFY (__LINE__))
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#define DEBUG1(fmt,a) \
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_gpgme_debug (1, "%s:%s: " fmt, _gpgme_debug_srcname (__FILE__), \
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XSTRINGIFY (__LINE__), (a))
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#define DEBUG2(fmt,a,b) \
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_gpgme_debug (1, "%s:%s: " fmt, _gpgme_debug_srcname (__FILE__), \
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XSTRINGIFY (__LINE__), (a), (b))
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#define DEBUG3(fmt,a,b,c) \
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_gpgme_debug (1, "%s:%s: " fmt, _gpgme_debug_srcname (__FILE__), \
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XSTRINGIFY (__LINE__), (a), (b), (c))
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#define DEBUG4(fmt,a,b,c,d) \
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_gpgme_debug (1, "%s:%s: " fmt, _gpgme_debug_srcname (__FILE__), \
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XSTRINGIFY (__LINE__), (a), (b), (c), (d))
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#define DEBUG5(fmt,a,b,c,d,e) \
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_gpgme_debug (1, "%s:%s: " fmt, _gpgme_debug_srcname (__FILE__), \
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XSTRINGIFY (__LINE__), (a), (b), (c), (d), (e))
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#define DEBUG_BEGIN(hlp,lvl,fmt) \
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_gpgme_debug_begin (&(hlp), lvl, "%s:%s: " fmt, \
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_gpgme_debug_srcname (__FILE__), XSTRINGIFY (__LINE__))
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#define DEBUG_ADD0(hlp,fmt) \
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_gpgme_debug_add (&(hlp), fmt)
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#define DEBUG_ADD1(hlp,fmt,a) \
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_gpgme_debug_add (&(hlp), fmt, (a))
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#define DEBUG_ADD2(hlp,fmt,a,b) \
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_gpgme_debug_add (&(hlp), fmt, (a), (b))
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#define DEBUG_ADD3(hlp,fmt,a,b,c) \
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_gpgme_debug_add (&(hlp), fmt, (a), (b), (c))
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#define DEBUG_END(hlp,fmt) \
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_gpgme_debug_add (&(hlp), fmt); \
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_gpgme_debug_end (&(hlp))
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#endif
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#define DEBUG_ENABLED(hlp) (!!(hlp))
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#endif /* DEBUG_H */
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