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libassuan-2.4.2
src/debug.h
276 строк
11 KB
Werner Koch
Fix gcc warning about unused values.
28 янв 2015, 12:11
28 янв 2015, 12:11
5e0a01f
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/* debug.h - interface to debugging functions Copyright (C) 2002, 2004, 2005, 2007 g10 Code GmbH This file is part of Assuan. Assuan is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. Assuan is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef DEBUG_H #define DEBUG_H #include <string.h> #ifdef HAVE_STDINT_H #include <stdint.h> #endif #ifdef HAVE_INTTYPES_H #include <inttypes.h> #endif #include "assuan-defs.h" /* Indirect stringification, requires __STDC__ to work. */ #define STRINGIFY(v) #v #define XSTRINGIFY(v) STRINGIFY(v) /* Remove path components from filenames (i.e. __FILE__) for cleaner logs. */ static GPG_ERR_INLINE const char *_assuan_debug_srcname (const char *file) ASSUAN_GCC_A_PURE; static GPG_ERR_INLINE const char * _assuan_debug_srcname (const char *file) { const char *s = strrchr (file, '/'); return s ? s + 1 : file; } /* Called early to initialize the logging. */ void _assuan_debug_subsystem_init (void); /* Log the formatted string FORMAT at debug level LEVEL or higher. */ void _assuan_debug (assuan_context_t ctx, unsigned int cat, const char *format, ...); /* Start a new debug line in *LINE, logged at level LEVEL or higher, and starting with the formatted string FORMAT. */ void _assuan_debug_begin (assuan_context_t ctx, void **helper, unsigned int cat, const char *format, ...); /* Add the formatted string FORMAT to the debug line *LINE. */ void _assuan_debug_add (assuan_context_t ctx, void **helper, const char *format, ...); /* Finish construction of *LINE and send it to the debug output stream. */ void _assuan_debug_end (assuan_context_t ctx, void **helper, unsigned int cat); void _assuan_debug_buffer (assuan_context_t ctx, unsigned int cat, const char *const fmt, const char *const func, const char *const tagname, void *tag, const char *const buffer, size_t len); /* Trace support. */ #define _TRACE(ctx, lvl, name, tag) \ assuan_context_t _assuan_trace_context = ctx; \ int _assuan_trace_level = lvl; \ const char *const _assuan_trace_func = name; \ const char *const _assuan_trace_tagname = STRINGIFY (tag); \ void *_assuan_trace_tag = (void *) (uintptr_t) tag #define TRACE_BEG(ctx,lvl, name, tag) \ _TRACE (ctx, lvl, name, tag); \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): enter\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag) #define TRACE_BEG0(ctx, lvl, name, tag, fmt) \ _TRACE (ctx, lvl, name, tag); \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): enter: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag) #define TRACE_BEG1(ctx, lvl, name, tag, fmt, arg1) \ _TRACE (ctx, lvl, name, tag); \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): enter: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1) #define TRACE_BEG2(ctx, lvl, name, tag, fmt, arg1, arg2) \ _TRACE (ctx, lvl, name, tag); \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): enter: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2) #define TRACE_BEG3(ctx, lvl, name, tag, fmt, arg1, arg2, arg3) \ _TRACE (ctx, lvl, name, tag); \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): enter: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3) #define TRACE_BEG4(ctx, lvl, name, tag, fmt, arg1, arg2, arg3, arg4) \ _TRACE (ctx, lvl, name, tag); \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): enter: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3, arg4) #define TRACE_BEG6(ctx, lvl, name, tag, fmt, arg1, arg2, arg3, arg4,arg5,arg6) \ _TRACE (ctx, lvl, name, tag); \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): enter: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3, arg4, arg5, arg6) #define TRACE_BEG8(ctx, lvl, name, tag, fmt, arg1, arg2, arg3, arg4, \ arg5, arg6, arg7, arg8) \ _TRACE (ctx, lvl, name, tag); \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): enter: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3, arg4, \ arg5, arg6, arg7, arg8) #define TRACE(ctx, lvl, name, tag) \ _assuan_debug (ctx, lvl, "%s (%s=%p): call\n", \ name, STRINGIFY (tag), (void *) (uintptr_t) tag) #define TRACE0(ctx, lvl, name, tag, fmt) \ _assuan_debug (ctx, lvl, "%s (%s=%p): call: " fmt "\n", \ name, STRINGIFY (tag), (void *) (uintptr_t) tag) #define TRACE1(ctx, lvl, name, tag, fmt, arg1) \ _assuan_debug (ctx, lvl, "%s (%s=%p): call: " fmt "\n", \ name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1) #define TRACE2(ctx, lvl, name, tag, fmt, arg1, arg2) \ _assuan_debug (ctx, lvl, "%s (%s=%p): call: " fmt "\n", \ name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \ arg2) #define TRACE3(ctx, lvl, name, tag, fmt, arg1, arg2, arg3) \ _assuan_debug (ctx, lvl, "%s (%s=%p): call: " fmt "\n", \ name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \ arg2, arg3) #define TRACE4(ctx, lvl, name, tag, fmt, arg1, arg2, arg3, arg4) \ _assuan_debug (ctx, lvl, "%s (%s=%p): call: " fmt "\n", \ name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \ arg2, arg3, arg4) #define TRACE6(ctx, lvl, name, tag, fmt, arg1, arg2, arg3, arg4, arg5, arg6) \ _assuan_debug (ctx, lvl, "%s (%s=%p): call: " fmt "\n", \ name, STRINGIFY (tag), (void *) (uintptr_t) tag, arg1, \ arg2, arg3, arg4, arg5, arg6) #define TRACE_ERR(err) \ err == 0 ? (TRACE_SUC ()) : \ (_assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): error: %s <%s>\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, gpg_strerror (err), \ ctx?gpg_strsource (ctx->err_source):""), \ _assuan_error (ctx, err)) /* The cast to void suppresses GCC warnings. */ #define TRACE_SYSRES(res) \ res >= 0 ? ((void) (TRACE_SUC1 ("result=%i", res)), (res)) : \ (_assuan_debug (_assuan_trace_context, _assuan_trace_level, "%s (%s=%p): error: %s\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, strerror (errno)), (res)) #define TRACE_SYSERR(res) \ res == 0 ? ((void) (TRACE_SUC1 ("result=%i", res)), (res)) : \ (_assuan_debug (_assuan_trace_context, _assuan_trace_level, "%s (%s=%p): error: %s\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, strerror (res)), (res)) #define TRACE_SUC() \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): leave\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag), 0 #define TRACE_SUC0(fmt) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): leave: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag), 0 #define TRACE_SUC1(fmt, arg1) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): leave: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1), 0 #define TRACE_SUC2(fmt, arg1, arg2) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): leave: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2), 0 #define TRACE_SUC5(fmt, arg1, arg2, arg3, arg4, arg5) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): leave: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3, arg4, arg5), 0 #define TRACE_LOG(fmt) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): check: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag) #define TRACE_LOG1(fmt, arg1) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): check: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1) #define TRACE_LOG2(fmt, arg1, arg2) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): check: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2) #define TRACE_LOG3(fmt, arg1, arg2, arg3) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): check: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3) #define TRACE_LOG4(fmt, arg1, arg2, arg3, arg4) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): check: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3, arg4) #define TRACE_LOG5(fmt, arg1, arg2, arg3, arg4, arg5) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): check: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3, arg4, arg5) #define TRACE_LOG6(fmt, arg1, arg2, arg3, arg4, arg5, arg6) \ _assuan_debug (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): check: " fmt "\n", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, arg1, arg2, arg3, arg4, arg5, \ arg6) #define TRACE_LOGBUF(buf, len) \ _assuan_debug_buffer (_assuan_trace_context, _assuan_trace_level, \ "%s (%s=%p): check: %s", \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag, buf, len) #define TRACE_SEQ(hlp,fmt) \ _assuan_debug_begin (_assuan_trace_context, &(hlp), \ "%s (%s=%p): check: " fmt, \ _assuan_trace_func, _assuan_trace_tagname, \ _assuan_trace_tag) #define TRACE_ADD0(hlp,fmt) \ _assuan_debug_add (_assuan_trace_context, &(hlp), fmt) #define TRACE_ADD1(hlp,fmt,a) \ _assuan_debug_add (_assuan_trace_context, &(hlp), fmt, (a)) #define TRACE_ADD2(hlp,fmt,a,b) \ _assuan_debug_add (_assuan_trace_context, &(hlp), fmt, (a), (b)) #define TRACE_ADD3(hlp,fmt,a,b,c) \ _assuan_debug_add (_assuan_trace_context, &(hlp), fmt, (a), (b), (c)) #define TRACE_END(hlp,fmt) \ _assuan_debug_add (_assuan_trace_context, &(hlp), fmt); \ _assuan_debug_end (_assuan_trace_context, &(hlp), _assuan_trace_level) #define TRACE_ENABLED(hlp) (!!(hlp)) #endif /* DEBUG_H */