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/* debug.h: Runtime tracing.
Copyright (C) 1993, 94, 95, 96 Karl Berry.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef KPATHSEA_DEBUG_H
#define KPATHSEA_DEBUG_H
/* If NO_DEBUG is defined (not recommended), skip all this. */
#ifndef NO_DEBUG
#include <kpathsea/c-proto.h>
#include <kpathsea/c-std.h>
#include <kpathsea/types.h>
#if defined(WIN32)
#if defined(_DEBUG)
/* This was needed at some time for catching errors in pdftex. */
#include <crtdbg.h>
#define SET_CRT_DEBUG_FIELD(a) \
_CrtSetDbgFlag((a) | _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG))
#define CLEAR_CRT_DEBUG_FIELD(a) \
_CrtSetDbgFlag(~(a) & _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG))
#define SETUP_CRTDBG \
{ _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE ); \
_CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDOUT ); \
_CrtSetReportMode( _CRT_ERROR, _CRTDBG_MODE_FILE ); \
_CrtSetReportFile( _CRT_ERROR, _CRTDBG_FILE_STDOUT ); \
_CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE ); \
_CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDOUT );\
}
#else /* ! _DEBUG */
#define SET_CRT_DEBUG_FIELD(a)
#define CLEAR_CRT_DEBUG_FIELD(a)
#define SETUP_CRTDBG
#endif /* _DEBUG */
#endif /* WIN32 */
/* OK, we'll have tracing support. */
#define KPSE_DEBUG
/* Bit vector defining what we should trace. */
extern KPSEDLL unsigned kpathsea_debug;
/* Set a bit. */
#define KPSE_DEBUG_SET(bit) kpathsea_debug |= 1 << (bit)
/* Test if a bit is on. */
#define KPSE_DEBUG_P(bit) (kpathsea_debug & (1 << (bit)))
#define KPSE_DEBUG_STAT 0 /* stat calls */
#define KPSE_DEBUG_HASH 1 /* hash lookups */
#define KPSE_DEBUG_FOPEN 2 /* fopen/fclose calls */
#define KPSE_DEBUG_PATHS 3 /* search path initializations */
#define KPSE_DEBUG_EXPAND 4 /* path element expansion */
#define KPSE_DEBUG_SEARCH 5 /* searches */
#define KPSE_DEBUG_VARS 6 /* variable values */
#define KPSE_LAST_DEBUG KPSE_DEBUG_VARS
/* A printf for the debugging. */
#define DEBUGF_START() do { fputs ("kdebug:", stderr)
#define DEBUGF_END() fflush (stderr); } while (0)
#define DEBUGF(str) \
DEBUGF_START (); fputs (str, stderr); DEBUGF_END ()
#define DEBUGF1(str, e1) \
DEBUGF_START (); fprintf (stderr, str, e1); DEBUGF_END ()
#define DEBUGF2(str, e1, e2) \
DEBUGF_START (); fprintf (stderr, str, e1, e2); DEBUGF_END ()
#define DEBUGF3(str, e1, e2, e3) \
DEBUGF_START (); fprintf (stderr, str, e1, e2, e3); DEBUGF_END ()
#define DEBUGF4(str, e1, e2, e3, e4) \
DEBUGF_START (); fprintf (stderr, str, e1, e2, e3, e4); DEBUGF_END ()
#undef fopen
#define fopen kpse_fopen_trace
extern KPSEDLL FILE *fopen P2H(const_string filename, const_string mode);
#undef fclose
#define fclose kpse_fclose_trace
extern KPSEDLL int fclose P1H(FILE *);
#endif /* not NO_DEBUG */
#endif /* not KPATHSEA_DEBUG_H */
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