--- /dev/null
+libdir = ${exec_prefix}/lib
+
+lib_LTLIBRARIES = libDebug.la
+
+libDebug_la_SOURCES = fg_debug.c fg_debug.h
+
+INCLUDES += -I$(top_builddir)
--- /dev/null
+# Makefile.in generated automatically by automake 1.2h from Makefile.am
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+SHELL = /bin/sh
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+bindir = @bindir@
+sbindir = @sbindir@
+libexecdir = @libexecdir@
+datadir = @datadir@
+sysconfdir = @sysconfdir@
+sharedstatedir = @sharedstatedir@
+localstatedir = @localstatedir@
+infodir = @infodir@
+mandir = @mandir@
+includedir = @includedir@
+oldincludedir = /usr/include
+
+DISTDIR =
+
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+
+top_builddir = ../..
+
+ACLOCAL = @ACLOCAL@
+AUTOCONF = @AUTOCONF@
+AUTOMAKE = @AUTOMAKE@
+AUTOHEADER = @AUTOHEADER@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+transform = @program_transform_name@
+
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+host_alias = @host_alias@
+host_triplet = @host@
+CC = @CC@
+CXX = @CXX@
+LD = @LD@
+LIBTOOL = @LIBTOOL@
+LN_S = @LN_S@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+NM = @NM@
+PACKAGE = @PACKAGE@
+RANLIB = @RANLIB@
+VERSION = @VERSION@
+
+libdir = ${exec_prefix}/lib
+
+lib_LTLIBRARIES = libDebug.la
+
+libDebug_la_SOURCES = fg_debug.c fg_debug.h
+mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
+CONFIG_HEADER = ../../Include/config.h
+CONFIG_CLEAN_FILES =
+LTLIBRARIES = $(lib_LTLIBRARIES)
+
+
+DEFS = @DEFS@ -I. -I$(srcdir) -I../../Include
+CPPFLAGS = @CPPFLAGS@
+LDFLAGS = @LDFLAGS@
+LIBS = @LIBS@
+X_CFLAGS = @X_CFLAGS@
+X_LIBS = @X_LIBS@
+X_EXTRA_LIBS = @X_EXTRA_LIBS@
+X_PRE_LIBS = @X_PRE_LIBS@
+libDebug_la_LDFLAGS =
+libDebug_la_LIBADD =
+libDebug_la_OBJECTS = fg_debug.lo
+CFLAGS = @CFLAGS@
+COMPILE = $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
+LINK = $(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -o $@
+DIST_COMMON = Makefile.am Makefile.in
+
+
+DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
+
+TAR = tar
+GZIP = --best
+DEP_FILES = .deps/fg_debug.P
+SOURCES = $(libDebug_la_SOURCES)
+OBJECTS = $(libDebug_la_OBJECTS)
+
+all: Makefile $(LTLIBRARIES)
+
+.SUFFIXES:
+.SUFFIXES: .S .c .lo .o .s
+$(srcdir)/Makefile.in: @MAINT@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
+ cd $(top_srcdir) && $(AUTOMAKE) --gnu Lib/Debug/Makefile
+
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status $(BUILT_SOURCES)
+ cd $(top_builddir) \
+ && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
+
+mostlyclean-libLTLIBRARIES:
+
+clean-libLTLIBRARIES:
+ -test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+
+distclean-libLTLIBRARIES:
+
+maintainer-clean-libLTLIBRARIES:
+
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+ @$(NORMAL_INSTALL)
+ $(mkinstalldirs) $(DESTDIR)$(libdir)
+ @list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+ if test -f $$p; then \
+ echo "$(LIBTOOL) --mode=install $(INSTALL_DATA) $$p $(DESTDIR)$(libdir)/$$p"; \
+ $(LIBTOOL) --mode=install $(INSTALL_DATA) $$p $(DESTDIR)$(libdir)/$$p; \
+ else :; fi; \
+ done
+
+uninstall-libLTLIBRARIES:
+ @$(NORMAL_UNINSTALL)
+ list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+ $(LIBTOOL) --mode=uninstall rm -f $(DESTDIR)$(libdir)/$$p; \
+ done
+
+.s.o:
+ $(COMPILE) -c $<
+
+.S.o:
+ $(COMPILE) -c $<
+
+mostlyclean-compile:
+ -rm -f *.o core *.core
+
+clean-compile:
+
+distclean-compile:
+ -rm -f *.tab.c
+
+maintainer-clean-compile:
+
+.s.lo:
+ $(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+.S.lo:
+ $(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+distclean-libtool:
+
+maintainer-clean-libtool:
+
+libDebug.la: $(libDebug_la_OBJECTS) $(libDebug_la_DEPENDENCIES)
+ $(LINK) -rpath $(libdir) $(libDebug_la_LDFLAGS) $(libDebug_la_OBJECTS) $(libDebug_la_LIBADD) $(LIBS)
+
+tags: TAGS
+
+ID: $(HEADERS) $(SOURCES) $(LISP)
+ here=`pwd` && cd $(srcdir) \
+ && mkid -f$$here/ID $(SOURCES) $(HEADERS) $(LISP)
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS)'; \
+ unique=`for i in $$list; do echo $$i; done | \
+ awk ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
+ || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags $$unique $(LISP) -o $$here/TAGS)
+
+mostlyclean-tags:
+
+clean-tags:
+
+distclean-tags:
+ -rm -f TAGS ID
+
+maintainer-clean-tags:
+
+distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
+
+subdir = Lib/Debug
+
+distdir: $(DISTFILES)
+ here=`cd $(top_builddir) && pwd`; \
+ top_distdir=`cd $(top_distdir) && pwd`; \
+ distdir=`cd $(distdir) && pwd`; \
+ cd $(top_srcdir) \
+ && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --gnu Lib/Debug/Makefile
+ @for file in $(DISTFILES); do \
+ d=$(srcdir); \
+ test -f $(distdir)/$$file \
+ || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
+ || cp -p $$d/$$file $(distdir)/$$file; \
+ done
+
+DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
+
+-include $(DEP_FILES)
+
+mostlyclean-depend:
+
+clean-depend:
+
+distclean-depend:
+
+maintainer-clean-depend:
+ -rm -rf .deps
+
+%.o: %.c
+ @echo '$(COMPILE) -c $<'; \
+ $(COMPILE) -Wp,-MD,.deps/$(*F).P -c $<
+
+%.lo: %.c
+ @echo '$(LTCOMPILE) -c $<'; \
+ $(LTCOMPILE) -Wp,-MD,.deps/$(*F).p -c $<
+ @-sed -e 's/^\([^:]*\)\.o:/\1.lo \1.o:/' \
+ < .deps/$(*F).p > .deps/$(*F).P
+ @-rm -f .deps/$(*F).p
+info:
+dvi:
+check: all
+ $(MAKE)
+installcheck:
+install-exec: install-libLTLIBRARIES
+ @$(NORMAL_INSTALL)
+
+install-data:
+ @$(NORMAL_INSTALL)
+
+install: install-exec install-data all
+ @:
+
+uninstall: uninstall-libLTLIBRARIES
+
+install-strip:
+ $(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' INSTALL_SCRIPT='$(INSTALL_PROGRAM)' install
+installdirs:
+ $(mkinstalldirs) $(DATADIR)$(libdir)
+
+
+mostlyclean-generic:
+ -test -z "$(MOSTLYCLEANFILES)" || rm -f $(MOSTLYCLEANFILES)
+
+clean-generic:
+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+ -rm -f Makefile $(DISTCLEANFILES)
+ -rm -f config.cache config.log stamp-h stamp-h[0-9]*
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+ -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+ -test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+mostlyclean: mostlyclean-libLTLIBRARIES mostlyclean-compile \
+ mostlyclean-libtool mostlyclean-tags mostlyclean-depend \
+ mostlyclean-generic
+
+clean: clean-libLTLIBRARIES clean-compile clean-libtool clean-tags \
+ clean-depend clean-generic mostlyclean
+
+distclean: distclean-libLTLIBRARIES distclean-compile distclean-libtool \
+ distclean-tags distclean-depend distclean-generic clean
+ -rm -f config.status
+ -rm -f libtool
+
+maintainer-clean: maintainer-clean-libLTLIBRARIES \
+ maintainer-clean-compile maintainer-clean-libtool \
+ maintainer-clean-tags maintainer-clean-depend \
+ maintainer-clean-generic distclean
+ @echo "This command is intended for maintainers to use;"
+ @echo "it deletes files that may require special tools to rebuild."
+
+.PHONY: mostlyclean-libLTLIBRARIES distclean-libLTLIBRARIES \
+clean-libLTLIBRARIES maintainer-clean-libLTLIBRARIES \
+uninstall-libLTLIBRARIES install-libLTLIBRARIES mostlyclean-compile \
+distclean-compile clean-compile maintainer-clean-compile \
+mostlyclean-libtool distclean-libtool clean-libtool \
+maintainer-clean-libtool tags mostlyclean-tags distclean-tags \
+clean-tags maintainer-clean-tags distdir mostlyclean-depend \
+distclean-depend clean-depend maintainer-clean-depend info dvi \
+installcheck install-exec install-data install uninstall all \
+installdirs mostlyclean-generic distclean-generic clean-generic \
+maintainer-clean-generic clean mostlyclean distclean maintainer-clean
+
+
+INCLUDES += -I$(top_builddir)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+/* -*- Mode: C++ -*-
+ *
+ * fg_debug.c -- Flight Gear debug utility functions
+ *
+ * Written by Paul Bleisch, started January 1998.
+ *
+ * Copyright (C) 1998 Paul Bleisch, pbleisch@acm.org
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id$
+ * (Log is kept at end of this file)
+ **************************************************************************/
+
+
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include <Include/cmdargs.h> // Line to command line arguments
+
+#include "fg_debug.h"
+
+
+static int fg_DebugSem = 1;
+fgDebugClass fg_DebugClass = FG_NONE; // Need visibility for
+fgDebugPriority fg_DebugPriority = FG_INFO; // command line processing.
+static fgDebugCallback fg_DebugCallback = NULL;
+
+FILE *fg_DebugOutput = NULL; // Visibility needed for command line processor.
+ // This can be set to a FILE from the command
+ // line. If not, it will be set to stderr.
+
+/* TODO: Actually make this thing thread safe */
+#ifdef USETHREADS
+#define FG_GRABDEBUGSEM while( --fg_DebugSem < 0 ) { fg_DebugSem++; }
+#define FG_RELEASEDEBUGSEM fg_DebugSem++;
+#else
+#define FG_GRABDEBUGSEM
+#define FG_RELEASEDEBUGSEM
+#endif
+
+/* Used for convienence initialization from env variables.
+ */
+static struct {
+ char *str;
+ fgDebugClass dbg_class;
+} fg_DebugClasses[] = {
+ { "FG_NONE", 0x00000000 },
+ { "FG_TERRAIN", 0x00000001 },
+ { "FG_ASTRO", 0x00000002 },
+ { "FG_FLIGHT", 0x00000004 },
+ { "FG_INPUT", 0x00000008 },
+ { "FG_GL", 0x00000010 },
+ { "FG_VIEW", 0x00000020 },
+ { "FG_COCKPIT", 0x00000040 },
+ { "FG_GENERAL", 0x00000080 },
+ { "FG_MATH", 0x00000100 },
+ { "FG_EVENT", 0x00000200 },
+ { "FG_AIRCRAFT",0x00000400 },
+
+ /* Do not edit below here, last entry should be null */
+ { "FG_ALL", 0xFFFFFFFF },
+ { NULL, 0 }
+};
+
+static fgDebugClass fgDebugStrToClass( char *str );
+
+
+/* fgInitDebug =============================================================*/
+void fgInitDebug( void ) {
+ char *pszClass, *pszPrio, *pszFile;
+
+ // Support for log file/alt debug output via command line, environment or
+ // reasonable default.
+
+ if( strlen( logArgbuf ) > 3) { // First check for command line option
+ // Assumed that we will append.
+ fg_DebugOutput = fopen(logArgbuf, "a+" );
+ }
+
+ if( !fg_DebugOutput ) { // If not set on command line, environment?
+ pszFile = getenv( "FG_DEBUGFILE" );
+ if( pszFile ) { // There is such an environmental variable.
+ fg_DebugOutput = fopen( pszFile, "a+" );
+ }
+ }
+
+ if( !fg_DebugOutput ) { // If neither command line nor environment
+ fg_DebugOutput = stderr; // then we use the fallback position
+ }
+
+ FG_GRABDEBUGSEM;
+ fg_DebugSem = fg_DebugSem; /* shut up GCC */
+
+ // Test command line option overridge of debug priority. If the value
+ // is in range (properly optioned) the we will override both defaults
+ // and the environmental value.
+
+ if ((priorityArgValue >= FG_BULK) && (priorityArgValue <= FG_ABORT)) {
+ fg_DebugPriority = priorityArgValue;
+ } else { // Either not set or out of range. We will not warn the user.
+ pszPrio = getenv( "FG_DEBUGPRIORITY" );
+ if( pszPrio ) {
+ fg_DebugPriority = atoi( pszPrio );
+ fprintf( stderr,
+ "fg_debug.c: Environment overrides default debug priority (%d)\n",
+ fg_DebugPriority );
+ }
+ }
+
+
+ if ((debugArgValue >= FG_ALL) && (debugArgValue < FG_UNDEFD)) {
+ fg_DebugPriority = priorityArgValue;
+ } else { // Either not set or out of range. We will not warn the user.
+ pszClass = getenv( "FG_DEBUGCLASS" );
+ if( pszClass ) {
+ fg_DebugClass = fgDebugStrToClass( pszClass );
+ fprintf( stderr,
+ "fg_debug.c: Environment overrides default debug class (0x%08X)\n",
+ fg_DebugClass );
+ }
+ }
+
+ FG_RELEASEDEBUGSEM;
+}
+
+/* fgDebugStrToClass ======================================================*/
+fgDebugClass fgDebugStrToClass( char *str ) {
+ char *hex = "0123456789ABCDEF";
+ char *hexl = "0123456789abcdef";
+ char *pt, *p, *ph, ps = 1;
+ unsigned int val = 0, i;
+
+ if( str == NULL ) {
+ return 0;
+ }
+
+ /* Check for 0xXXXXXX notation */
+ if( (p = strstr( str, "0x")) ) {
+ p++; p++;
+ while (*p) {
+ if( (ph = strchr(hex,*p)) || (ph = strchr(hexl,*p)) ){
+ val <<= 4;
+ val += ph-hex;
+ p++;
+ } else {
+ // fprintf( stderr, "Error in hex string '%s'\n", str );
+ return FG_NONE;
+ }
+ }
+ } else {
+ /* Must be in string format */
+ p = str;
+ ps = 1;
+ while( ps ) {
+ while( *p && (*p==' ' || *p=='\t') ) p++; /* remove whitespace */
+ pt = p; /* mark token */
+ while( *p && (*p!='|') ) p++; /* find OR or EOS */
+ ps = *p; /* save value at p so we can attempt to be bounds safe */
+ *p++ = 0; /* terminate token */
+ /* determine value for token */
+ i=0;
+ while( fg_DebugClasses[i].str &&
+ strncmp( fg_DebugClasses[i].str, pt,
+ strlen(fg_DebugClasses[i].str)) ) i++;
+ if( fg_DebugClasses[i].str == NULL ) {
+ fprintf( stderr,
+ "fg_debug.c: Could not find message class '%s'\n",
+ pt );
+ } else {
+ val |= fg_DebugClasses[i].dbg_class;
+ }
+ }
+ }
+ return (fgDebugClass)val;
+}
+
+
+/* fgSetDebugOutput =======================================================*/
+void fgSetDebugOutput( FILE *out ) {
+ FG_GRABDEBUGSEM;
+ fflush( fg_DebugOutput );
+ fg_DebugOutput = out;
+ FG_RELEASEDEBUGSEM;
+}
+
+
+/* fgSetDebugLevels =======================================================*/
+void fgSetDebugLevels( fgDebugClass dbg_class, fgDebugPriority prio ) {
+ FG_GRABDEBUGSEM;
+ fg_DebugClass = dbg_class;
+ fg_DebugPriority = prio;
+ FG_RELEASEDEBUGSEM;
+}
+
+
+/* fgRegisterDebugCallback ================================================*/
+fgDebugCallback fgRegisterDebugCallback( fgDebugCallback callback ) {
+ fgDebugCallback old;
+ FG_GRABDEBUGSEM;
+ old = fg_DebugCallback;
+ fg_DebugCallback = callback;
+ FG_RELEASEDEBUGSEM;
+ return old;
+}
+
+
+/* fgPrintf ===============================================================*/
+int fgPrintf( fgDebugClass dbg_class, fgDebugPriority prio, char *fmt, ... ) {
+ char szOut[1024+1];
+ va_list ap;
+ int ret = 0;
+
+ // If no action to take, then don't bother with the semaphore
+ // activity Slight speed benefit.
+
+ // printf("dbg_class = %d fg_DebugClass = %d\n", dbg_class, fg_DebugClass);
+ // printf("prio = %d fg_DebugPriority = %d\n", prio, fg_DebugPriority);
+
+ if( !(dbg_class & fg_DebugClass) ) {
+ // Failed to match a specific debug class
+ if ( prio < fg_DebugPriority ) {
+ // priority is less than requested
+
+ // "ret" is zero anyway. But we might think about changing
+ // it upon some error condition?
+ return ret;
+ }
+ }
+
+ FG_GRABDEBUGSEM;
+
+ /* ret = vsprintf( szOut, fmt, (&fmt+1)); (but it didn't work, thus ... */
+ va_start (ap, fmt);
+ ret = vsprintf( szOut, fmt, ap);
+ va_end (ap);
+
+ if( fg_DebugCallback!=NULL && fg_DebugCallback(dbg_class, prio, szOut) ) {
+ FG_RELEASEDEBUGSEM;
+ return ret;
+ } else {
+ fprintf( fg_DebugOutput, szOut );
+ FG_RELEASEDEBUGSEM;
+ if( prio == FG_EXIT ) {
+ exit(0);
+ } else if( prio == FG_ABORT ) {
+ abort();
+ }
+ }
+ return ret;
+}
+
+
+/* $Log$
+/* Revision 1.1 1998/04/18 03:52:04 curt
+/* Moved to Lib directory and created a libDebug.
+/*
+ * Revision 1.10 1998/03/14 00:31:21 curt
+ * Beginning initial terrain texturing experiments.
+ *
+ * Revision 1.9 1998/03/09 22:44:58 curt
+ * Modified so that you can specify FG_DEBUGCLASS ***or*** FG_DEBUG_PRIORITY
+ *
+ * Revision 1.8 1998/03/09 22:11:00 curt
+ * Processed through the format-o-matic.
+ *
+ * Revision 1.7 1998/02/16 13:39:43 curt
+ * Miscellaneous weekend tweaks. Fixed? a cache problem that caused whole
+ * tiles to occasionally be missing.
+ *
+ */
--- /dev/null
+/* -*- Mode: C++ -*-
+ *
+ * fg_debug.h -- Flight Gear debug utility functions
+ *
+ * Written by Paul Bleisch, started January 1998.
+ *
+ * Copyright (C) 1998 Paul Bleisch, pbleisch@acm.org
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * (Log is kept at end of this file)
+ **************************************************************************/
+
+
+#ifndef _FG_DEBUG_H
+#define _FG_DEBUG_H
+
+#include <stdio.h>
+
+/* NB: To add a dbg_class, add it here, and add it to the structure in
+ fg_debug.c */
+typedef enum {
+ FG_NONE = 0x00000000,
+
+ FG_TERRAIN = 0x00000001,
+ FG_ASTRO = 0x00000002,
+ FG_FLIGHT = 0x00000004,
+ FG_INPUT = 0x00000008,
+ FG_GL = 0x00000010,
+ FG_VIEW = 0x00000020,
+ FG_COCKPIT = 0x00000040,
+ FG_GENERAL = 0x00000080,
+ FG_MATH = 0x00000100,
+ FG_EVENT = 0x00000200,
+ FG_AIRCRAFT= 0x00000400,
+ FG_UNDEFD = 0x00001000, // For range checking
+
+ FG_ALL = 0xFFFFFFFF
+} fgDebugClass;
+
+/* NB: To add a priority, add it here. */
+typedef enum {
+ FG_BULK, /* For frequent messages */
+ FG_DEBUG, /* Less frequent debug type messages */
+ FG_INFO, /* Informatory messages */
+ FG_WARN, /* Possible impending problem */
+ FG_ALERT, /* Very possible impending problem */
+ FG_EXIT, /* Problem (no core) */
+ FG_ABORT /* Abandon ship (core) */
+} fgDebugPriority;
+
+
+/* Initialize the debuggin stuff. */
+void fgInitDebug( void );
+
+
+/* fgPrintf
+
+ Expects:
+ class fgDebugClass mask for this message.
+ prio fgDebugPriority of this message.
+ fmt printf like string format
+ ... var args for fmt
+
+ Returns:
+ number of items in fmt handled.
+
+ This function works like the standard C library function printf() with
+ the addition of message classes and priorities (see fgDebugClasses
+ and fgDebugPriorities). These additions allow us to classify messages
+ and disable sets of messages at runtime. Only messages with a prio
+ greater than or equal to fg_DebugPriority and in the current debug class
+ (fg_DebugClass) are printed.
+*/
+int fgPrintf( fgDebugClass dbg_class, fgDebugPriority prio, char *fmt, ... );
+
+
+/* fgSetDebugLevels()
+
+ Expects:
+ dbg_class Bitmask representing classes to display.
+ prio Minimum priority of messages to display.
+*/
+void fgSetDebugLevels( fgDebugClass dbg_class, fgDebugPriority prio );
+
+/* fgSetDebugOutput()
+
+ Expects:
+ file A FILE* to a stream to send messages to.
+
+ It is assumed the file stream is open and writable. The system
+ defaults to stderr. The current stream is flushed but not
+ closed.
+*/
+void fgSetDebugOutput( FILE *out );
+
+
+/* fgRegisterDebugCallback
+
+ Expects:
+ callback A function that takes parameters as defined by the
+ fgDebugCallback type.
+
+ Returns:
+ a pointer to the previously registered callback (if any)
+
+ Install a user defined debug log callback. This callback is called w
+ whenever fgPrintf is called. The parameters passed to the callback are
+ defined above by fgDebugCallback. outstr is the string that is to be
+ printed. If callback returns nonzero, it is assumed that the message
+ was handled fully by the callback and **fgPrintf need do no further
+ processing of the message.** Only one callback may be installed at a
+ time.
+*/
+
+//typedef int (*fgDebugCallback)(fgDebugClass, fgDebugPriority, char *outstr);
+//fgDebugCallback fgRegisterDebugCallback( fgDebugCallback callback );
+
+typedef int (*fgDebugCallback)( int DebugClass, int DebugPriority, char *outstr);
+fgDebugCallback fgRegisterDebugCallback( fgDebugCallback callback );
+
+
+// Leave these alone. Access intended for fg_debug and command line processing.
+//
+extern fgDebugClass fg_DebugClass;
+extern fgDebugPriority fg_DebugPriority;
+
+extern FILE * fg_DebugOutput;
+
+#endif /* _FG_DEBUG_H */
+