initial importHEADmain

1 files changed, 259 insertions, 0 deletions

diff --git a/src/parsec/sl_err.cpp b/src/parsec/sl_err.cpp
new file mode 100644
index 0000000..9b08791
--- /dev/null
+++ b/src/parsec/sl_err.cpp
@@ -0,0 +1,259 @@
+/*
+ * PARSEC - Error Handling Code
+ *
+ * $Author: uberlinuxguy $ - $Date: 2004/09/15 12:25:33 $
+ *
+ * Orginally written by:
+ *   Copyright (c) Markus Hadwiger     <msh@parsec.org>   1996-1999
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */ 
+// compilation flags/debug support
+#include "config.h"
+
+
+// C library
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include "debug.h"
+
+// general definitions
+#include "general.h"
+#include "objstruc.h"
+
+// global externals
+#include "globals.h"
+
+// subsystem headers
+#include "aud_defs.h"
+#include "inp_defs.h"
+#include "net_defs.h"
+#include "sys_defs.h"
+#include "vid_defs.h"
+
+// local module header
+#include "inp_init.h"
+#include "sl_err.h"
+
+
+
+// SL_CleanUp() must be provided externally (currently by SL_MAIN.C) ----------
+//
+extern void SL_CleanUp();
+#define CLEAN_UP(x) if ( init_done ) SL_CleanUp(); else {}
+
+
+// flag if init already done --------------------------------------------------
+//
+static int init_done = FALSE;
+
+
+// clean up functions that must be called in any case (if at all possible) ----
+//
+void SYSs_CriticalCleanUp()
+{
+	//NOTE:
+	// this function is not declared in any header,
+	// since it is only used by DEBUG.C, which
+	// contains a prototype in order to call
+	// SYSs_CriticalCleanUp().
+
+	int static was_here = FALSE;
+
+	if ( !was_here ) {
+		was_here = TRUE;
+
+		// kill networking system;
+		// must not be done after SYSs_KillFrameTimer()
+		NETs_KillAPI();
+
+		// kill input code
+		INP_KillSubsystem();
+
+		// switch back to text mode
+		VIDs_RestoreDisplay();
+
+		// kill sound system
+		AUDs_KillSoundSys();
+
+		// kill timer code
+		SYSs_KillFrameTimer();
+	}
+}
+
+
+// common error strings -------------------------------------------------------
+//
+static char err_exit[] = "Parsec error exit";
+static char err_emem[] = "Parsec memory error exit";
+static char err_ndef[] = "Unrecoverable error";
+static char err_nmem[] = "Memory allocation failed";
+static char err_msg1[] = "\n%s: %s";
+static char err_msg2[] = "\n%s: %s (%s, line %u).";
+
+
+// exit function if critical error occurred -----------------------------------
+//
+void SYSs_PanicFunction( const char *msg, const char *file, unsigned line )
+{
+	// switch back to text mode
+	VIDs_RestoreDisplay();
+
+	// print error message
+	if ( ( msg != NULL ) && ( *msg != 0 ) ) {
+
+		// print custom message if provided and not empty
+		fprintf( stderr, err_msg1, err_exit, msg );
+
+	} else if ( ( msg != NULL ) && ( errno > 0 ) ) {
+
+		// print errno error if provided message is empty
+		fprintf( stderr, err_msg2, err_exit, strerror( errno ), file, line );
+
+	} else {
+
+		// print generic error message if no message provided
+		fprintf( stderr, err_msg2, err_exit, err_ndef, file, line );
+	}
+	fprintf( stderr, "\n" );
+
+	// just to be sure
+	fflush( stderr );
+
+	CLEAN_UP(0);
+	exit( EXIT_FAILURE );
+}
+
+
+// exit function if memory allocation failed ----------------------------------
+//
+void SYSs_OutOfMemFunction( const char *msg, const char *file, unsigned line )
+{
+	// switch back to text mode
+	VIDs_RestoreDisplay();
+
+	// print error message
+	if ( ( msg != NULL ) && ( *msg != 0 ) ) {
+
+		// print custom message if provided and not empty
+		fprintf( stderr, err_msg1, err_emem, msg );
+
+	} else if ( ( msg != NULL ) && ( errno > 0 ) ) {
+
+		// print errno error if provided message is empty
+		fprintf( stderr, err_msg2, err_emem, strerror( errno ), file, line );
+
+	} else {
+
+		// print generic error message if no message provided
+		fprintf( stderr, err_msg2, err_emem, err_nmem, file, line );
+	}
+	fprintf( stderr, "\n" );
+
+	// just to be sure
+	fflush( stderr );
+
+	CLEAN_UP(0);
+	exit( EXIT_FAILURE );
+}
+
+
+// prints error message and exits ---------------------------------------------
+//
+void SYSs_PError( const char *message, ... )
+{
+	va_list	ap;
+	va_start( ap, message );
+
+	// switch back to text mode
+	VIDs_RestoreDisplay();
+
+	// print custom message if provided
+	if ( message != NULL ) {
+		fprintf ( stderr, "\n%s: ", sys_ProgramName );
+		vfprintf( stderr, message, ap );
+		fprintf ( stderr, "\n" );
+	} else {
+		fprintf( stderr, "\n%s: SYSs_PError().\n", sys_ProgramName );
+	}
+	fflush( stderr );
+
+	va_end( ap );
+
+	CLEAN_UP(0);
+	exit( EXIT_FAILURE );
+}
+
+
+// prints error message and string for errno and exits ------------------------
+//
+void SYSs_SError( const char *message )
+{
+	// switch back to text mode
+	VIDs_RestoreDisplay();
+
+	// print custom message if provided
+	if ( message != NULL ) {
+		fprintf( stderr, "\n%s: ", sys_ProgramName );
+		fprintf( stderr, "%s", message );
+		fprintf( stderr, ": %s\n", strerror( errno ) );
+	} else {
+		fprintf( stderr, "\n%s: SYSs_SError().\n", sys_ProgramName );
+	}
+	fflush( stderr );
+
+	CLEAN_UP(0);
+	exit( EXIT_FAILURE );
+}
+
+
+// prints error message, filename, string for errno, and exits ----------------
+//
+void SYSs_FError( const char *message, const char *filename )
+{
+	// switch back to text mode
+	VIDs_RestoreDisplay();
+
+	// print custom message if provided
+	if ( ( message != NULL ) && ( filename != NULL ) ) {
+		fprintf( stderr, "\n%s: ", sys_ProgramName );
+		fprintf( stderr, message, filename );
+		fprintf( stderr, ": %s\n", strerror( errno ) );
+	} else {
+		fprintf( stderr, "\n%s: SYSs_FError().\n", sys_ProgramName );
+	}
+	fflush( stderr );
+
+	CLEAN_UP(0);
+	exit( EXIT_FAILURE );
+}
+
+
+// init error handling code ---------------------------------------------------
+//
+void SYSs_InitErrorHandling()
+{
+	ASSERT( !init_done );
+
+	if ( !init_done ) {
+		init_done = TRUE;
+	}
+}
+
+
+