Category : HD Utilities
Archive   : FIPS12.ZIP
Filename : HOST_OS.CPP

 
Output of file : HOST_OS.CPP contained in archive : FIPS12.ZIP
// host_os.cpp host operating system classes
// dave mccaldon ([email protected])

#include "host_os.h"
#include
#include
#include
#include

char *msdos_info (void)
{
return ("MS-DOS version %d.%d");
};

char *dosemu_info (void)
{
return ("Linux dosemu version %d.%d");
};

char *mswindows_info (void)
{
return ("MS-Windows version %d.%d");
};

char *desqview_info (void)
{
return ("Desq-View version %d.%d");
};

host_os::host_os (void)
{
status = NOT_OK;
if (mswindows_detect () == true) format = mswindows_info;
// else if (dosemu_detect () == true) format = dosemu_info;
else if (desqview_detect () == true) format = desqview_info;
else
{
status = OK;
msdos_version ();
format = msdos_info;
}
}


char *host_os::information( char *p )
{
if( p == NULL )
p = (char *) malloc( strlen( format() ) + 12 );
sprintf( p, format(), ver_major, ver_minor );

return p;
}

void host_os::msdos_version()
{
ver_major = _osmajor; // borlandc constants
ver_minor = _osminor;
}

boolean host_os::mswindows_detect()
{
union REGS r;

r.x.ax = 0x1600;
int86( 0x2F, &r, &r );
if( r.h.al & 0x7F )
{
ver_major = r.h.al;
ver_minor = r.h.ah;
return (true);
}

return (false);
}

boolean host_os::dosemu_detect()
{
union REGS r;

// this is slightly more difficult than just calling the dosemu
// interrupt (0xE5), we need to check if the interrupt has a
// handler, as DOS and BIOS don't establish a default handler

if( getvect( 0xE5 ) == NULL )
return (false);
r.x.ax = 0;
int86( 0xE5, &r, &r );
if( r.x.ax == 0xAA55 ) // check signature
{
ver_major = r.h.bh;
ver_minor = r.h.bl;
return (true);
}

return (false);
}

boolean host_os::desqview_detect()
{
union REGS r;

r.x.ax = 0x2B01; // AL=01 => get desqview version
r.x.cx = 0x4445; // CX = 'DE'
r.x.dx = 0x5351; // DX = 'SQ'
int86( 0x21, &r, &r );
if( r.h.al != 0xFF )
{
ver_major = r.h.bh;
ver_minor = r.h.bl;
return (true);
}

return (false);
}


  3 Responses to “Category : HD Utilities
Archive   : FIPS12.ZIP
Filename : HOST_OS.CPP
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/