106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/*
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Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* debug_utils.hpp
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*/
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#ifndef dbug_utils_hpp
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#define dbug_utils_hpp
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#include "my_global.h"
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#include "my_dbug.h"
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/*
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* These macros are robuster versions of the ones in MySQL's DBUG package.
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*
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* As the DBUG macros/functions don't check arguments, the caller (or JVM!)
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* crashes in case, for instance, of NULL args. Also, macros returning a
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* value (like DBUG_EXPLAIN) ought to do so even if DBUG_OFF was defined.
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*/
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#ifndef DBUG_OFF
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#define MY_DBUG_PUSH(a1) \
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do { if ((a1)) DBUG_PUSH(a1); } while (0)
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#define MY_DBUG_POP() \
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DBUG_POP()
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#define MY_DBUG_SET(a1) \
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do { if ((a1)) DBUG_SET(a1); } while (0)
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#define MY_DBUG_EXPLAIN(buf, len) \
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((!(buf) || (len) <= 0) ? 1 : DBUG_EXPLAIN(buf, len))
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#define MY_DBUG_PRINT(keyword, arglist) \
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do { if ((keyword)) DBUG_PRINT(keyword, arglist); } while (0)
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#else // DBUG_OFF
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#define MY_DBUG_PUSH(a1)
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#define MY_DBUG_POP()
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#define MY_DBUG_SET(a1)
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#define MY_DBUG_EXPLAIN(buf,len) 1
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#define MY_DBUG_PRINT(keyword, arglist)
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#endif // DBUG_OFF
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/*
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* These DBUG functions provide suitable mapping targets for use from Java.
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*/
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/** Push the state of the DBUG package */
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inline
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void
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dbugPush(const char * state)
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{
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MY_DBUG_PUSH(state);
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}
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/** Pop the state of the DBUG package */
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inline
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void
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dbugPop()
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{
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MY_DBUG_POP();
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}
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/** Set the state of the DBUG package */
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inline
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void
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dbugSet(const char * state)
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{
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MY_DBUG_SET(state);
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}
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/** Return the state of the DBUG package */
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inline
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const char *
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dbugExplain(char * buffer, int length)
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{
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if (!MY_DBUG_EXPLAIN(buffer, length)) {
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return buffer;
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}
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return NULL;
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}
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/** Print a message */
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inline
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void
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dbugPrint(const char * keyword, const char * message)
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{
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MY_DBUG_PRINT(keyword, ("%s", message));
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}
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#endif // dbug_utils_hpp
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