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PC World 1999 August
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dosutils
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fips20
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source
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global.cpp
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1997-12-20
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/*
FIPS - the First nondestructive Interactive Partition Splitting program
Module global.cpp
RCS - Header:
$Header: c:/daten/fips/source/main/RCS/global.cpp 1.4 1995/01/19 00:00:52 schaefer Exp schaefer $
Copyright (C) 1993 Arno Schaefer
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.
Report problems and direct all questions to:
schaefer@rbg.informatik.th-darmstadt.de
*/
#include <stdarg.h>
#include <conio.h>
#include <stdlib.h>
#include <string.h>
#include "version.h"
#include "global.h"
#define CTRL_C 3
global_vars global;
/* ----------------------------------------------------------------------- */
/* Initialization of global variables */
/* ----------------------------------------------------------------------- */
global_vars::global_vars (void)
{
test_mode = false;
verbose_mode = true;
debug_mode = false;
drive_number_cmdline = 0;
}
global_vars::~global_vars (void)
{
if (debug_mode) fclose (debugfile);
}
void exit_function (void)
{
printx ("\nBye!\n");
}
void global_vars::open_debugfile (int argc,char *argv[])
{
if ((debugfile = fopen ("fipsinfo.dbg","wt")) == NULL)
{
global.debug_mode = false;
warning (true, "Can't open debug file");
}
else
{
fprintf (debugfile,"FIPS debug file\n\n");
fprintf (debugfile,"The command was: ");
while (argc--) fprintf (debugfile,argc ? "%s " : "%s", *argv++);
fprintf (debugfile,"\n\nTranscript of session:\n");
}
}
/* ----------------------------------------------------------------------- */
/* Replacement for printf - prints to screen and debugfile */
/* ----------------------------------------------------------------------- */
void printx (char *fmt,...)
{
va_list ap;
va_start (ap,fmt);
vprintf (fmt,ap);
if (global.debug_mode) vfprintf (global.debugfile,fmt,ap);
va_end (ap);
}
/* ----------------------------------------------------------------------- */
/* Replacement for getch - exit when CTRL-C is pressed */
/* ----------------------------------------------------------------------- */
int getx (void)
{
int character = getch();
if (character == CTRL_C)
{
printx ("\n");
exit (0);
}
return (character);
}
/* ----------------------------------------------------------------------- */
/* Copyright notice and version number */
/* ----------------------------------------------------------------------- */
void notice (void)
{
printx ("\nFIPS version " FIPS_VERSION ", Copyright (C) 1993/94 Arno Schaefer\n");
printx (" FAT32 Support Copyright (C) 1997 Gordon Chaffee\n\n");
printx ("DO NOT use FIPS in a multitasking environment like Windows, OS/2, Desqview,\n");
printx ("Novell Task manager or the Linux DOS emulator: boot from a DOS boot disk first.\n\n");
printx ("If you use OS/2 or a disk compressor, read the relevant sections in FIPS.DOC.\n\n");
printx ("FIPS comes with ABSOLUTELY NO WARRANTY, see file COPYING for details\n");
printx ("This is free software, and you are welcome to redistribute it\n");
printx ("under certain conditions; again see file COPYING for details.\n");
printx ("\nPress any Key\n");
getx();
}
/* ----------------------------------------------------------------------- */
/* Hexdump binary data into a file */
/* ----------------------------------------------------------------------- */
void hexwrite (byte *buffer,int number,FILE *file)
{
for (int i=0;i<number;i++)
{
fprintf (file,"%02X ",*(buffer+i));
if ((i+1)%16 == 0) fprintf (file,"\n");
else if ((i+1)%8 == 0) fprintf (file,"- ");
}
fprintf (file,"\n");
}
/* ----------------------------------------------------------------------- */
/* Error Handling */
/* ----------------------------------------------------------------------- */
static void print_verbose_message (char *message)
{
char line[256];
int length = 0;
FILE *error_msg_file;
fprintf (stderr,"\n");
if (global.debug_mode) fprintf (global.debugfile,"\n");
if ((error_msg_file = fopen ("errors.txt","rt")) == NULL)
{
fprintf (stderr,"File ERRORS.TXT not found - no verbose messages available\n");
if (global.debug_mode) fprintf (global.debugfile,"File ERRORS.TXT not found - no verbose messages available\n");
global.verbose_mode = false;
return;
}
while (message[length] != 0 && message[length] != ':') length++;
fgets (line,255,error_msg_file);
while (strncmp(message,line,length)) if (fgets (line,255,error_msg_file) == NULL) return;
fgets (line,255,error_msg_file);
while (!strncmp(" ",line,2))
{
fprintf (stderr,"%s",line+2);
if (global.debug_mode) fprintf (global.debugfile,"%s",line+2);
if (fgets (line,255,error_msg_file) == NULL) return;
}
fclose (error_msg_file);
}
void error (char *message,...)
{
va_list ap;
va_start (ap,message);
fprintf (stderr,"\nError: ");
vfprintf (stderr,message,ap);
fprintf (stderr,"\n");
if (global.debug_mode)
{
fprintf (global.debugfile,"\nError: ");
vfprintf (global.debugfile,message,ap);
fprintf (global.debugfile,"\n");
}
va_end (ap);
if (global.verbose_mode) print_verbose_message (message);
exit (-1);
}
void warning (boolean wait_key, char *message,...)
{
va_list ap;
va_start (ap,message);
fprintf (stderr,"\nWarning: ");
vfprintf (stderr,message,ap);
fprintf (stderr,"\n");
if (global.debug_mode)
{
fprintf (global.debugfile,"\nWarning: ");
vfprintf (global.debugfile,message,ap);
fprintf (global.debugfile,"\n");
}
va_end (ap);
if (global.verbose_mode) print_verbose_message (message);
if (wait_key)
{
fprintf (stderr,"\nPress any key\n");
if (global.debug_mode) fprintf (global.debugfile,"\nPress any key\n");
getx ();
}
}
void infomsg (char *message,...)
{
va_list ap;
va_start (ap,message);
fprintf (stderr,"\nInfo: ");
vfprintf (stderr,message,ap);
fprintf (stderr,"\n");
if (global.debug_mode)
{
fprintf (global.debugfile,"\nInfo: ");
vfprintf (global.debugfile,message,ap);
fprintf (global.debugfile,"\n");
}
va_end (ap);
if (global.verbose_mode) print_verbose_message (message);
fprintf (stderr,"\nPress any key\n");
if (global.debug_mode) fprintf (global.debugfile,"\nPress any key\n");
getx ();
}