serval-dna/debug.h

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/*
Copyright (C) 2015 Serval Project Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __SERVAL_DNA__DEBUG_H
#define __SERVAL_DNA__DEBUG_H
#include "serval_types.h" // for bool_t
#include "log.h"
/* These DEBUG macros use the IF_DEBUG(FLAG) macro as the conditional.
*
* The compilation environment may define IF_DEBUG(FLAG) to be constant (0) to
* disable all debug statements, which should omit them from the compilation
* altogether if the compiler is optimising properly.
*
* Alternatively, the compilation environment may define IF_DEBUG(FLAG) to be
* constant (1) to enable all debug statements unconditionally, which will
* produce a large and verbose executable.
*
* The common definition of IF_DEBUG(FLAG) will use FLAG to index into a local
* struct of debug flags; see "conf.h".
*/
#define DEBUGF(FLAG,F,...) do { if (IF_DEBUG(FLAG)) _DEBUGF_TAG(#FLAG, F, ##__VA_ARGS__); } while (0)
#define DEBUGF2(FLAG1,FLAG2,F,...) do { if (IF_DEBUG(FLAG1) || IF_DEBUG(FLAG2)) _DEBUGF_TAG((IF_DEBUG(FLAG1) ? #FLAG1 : #FLAG2), F, ##__VA_ARGS__); } while (0)
#define DEBUG(FLAG,X) DEBUGF(FLAG, "%s", (X))
#define DEBUGF_perror(FLAG,F,...) do { if (IF_DEBUG(FLAG)) _DEBUGF_TAG_perror(#FLAG, F, ##__VA_ARGS__); } while (0)
#define DEBUG_perror(FLAG,X) DEBUGF_perror(FLAG, "%s", (X))
#define DEBUG_argv(FLAG,X,ARGC,ARGV) do { if (IF_DEBUG(FLAG)) _DEBUG_TAG_argv(#FLAG, X, (ARGC), (ARGV)); } while (0)
2016-03-16 00:01:09 +00:00
#define D(FLAG) DEBUG(FLAG, "D")
#define T DEBUG(trace, "T")
/* These IDEBUG macros use the IF_IDEBUG(IND) macro as the conditional.
*
* An "indirect debug flag" is a struct that contains a pointer to a flag and a
* string constant with the name of the flag.
*/
struct idebug {
bool_t *flagp;
const char *flagname;
};
#define INDIRECT_CONFIG_DEBUG(FLAG) ((struct idebug){.flagp=&(config.debug.FLAG), .flagname=#FLAG})
#define IF_IDEBUG(IND) ((IND).flagp && *(IND).flagp)
#define IDEBUG_TAG(IND) ((IND).flagname ? (IND).flagname : "")
#define IDEBUGF(IND,F,...) do { if (IF_IDEBUG(IND)) _DEBUGF_TAG(IDEBUG_TAG(IND), F, ##__VA_ARGS__); } while (0)
#define IDEBUG(IND,X) IDEBUGF(IND, "%s", (X))
#define IDEBUGF_perror(IND,F,...) do { if (IF_IDEBUG(IND)) _DEBUGF_TAG_perror(IDEBUG_TAG(IND), F, ##__VA_ARGS__); } while (0)
#define IDEBUG_perror(IND,X) IDEBUGF_perror(IND, "%s", (X))
#endif // __SERVAL_DNA__DEBUG_H