Files
harbour-core/harbour/source/rtl/environ.c
1999-09-08 05:48:18 +00:00

301 lines
7.0 KiB
C

/*
* $Id$
*/
/*
* Partial Copyright (C) 1999 Eddie Runia (eddie@runia.com)
* Partial copyright regarding the following function :
* __RUN()
*/
/* Note: The following #ifdef block for __IBMCPP__ must
be ahead of any and all #include statements!
*/
#ifdef __IBMCPP__
#define INCL_DOSMISC
#endif
#if defined(_MSC_VER) && (defined(_Windows) || defined(_WIN32))
#define WIN32_LEAN_AND_MEAN
#include "windows.h"
#endif
#include "extend.h"
#include "errorapi.h"
#include "hbver.h"
#if defined(__TURBOC__) || defined(__BORLANDC__) || defined(__MSC__) || defined(_MSC_VER) || defined(__DJGPP__)
#include <dos.h>
#include <stdlib.h>
#endif
#if defined(__GNUC__) && !defined(__DJGPP__)
#include <sys/utsname.h>
#endif
#ifdef __WATCOMC__
#include <i86.h>
#if defined(__386__) && !defined(__WINDOWS_386__)
#define INT_86 int386
#else
#define INT_86 int86
#endif
#else
#if defined(__EMX__)
#define INT_86 _int86
#else
#define INT_86 int86
#endif
#endif
HARBOUR HB_OS( void )
{
char *cformat = "%s %d.%02d%c";
#ifdef __MPW__
/* TODO: not implemented yet */
hb_retc( "MacOS" );
#else
int hb_osmajor = -1, hb_osminor = -1, hb_osletter = -1;
char * hb_os = NULL;
char version[ 128 ];
#ifdef __IBMCPP__
unsigned long aulQSV[ QSV_MAX ] = { 0 };
APIRET rc = DosQuerySysInfo( 1L, QSV_MAX, ( void * ) aulQSV, sizeof( ULONG ) * QSV_MAX );
if( ! rc )
{
hb_osmajor = aulQSV[ QSV_VERSION_MAJOR ] / 10;
hb_osminor = aulQSV[ QSV_VERSION_MINOR ];
hb_osletter = ( aulQSV[ QSV_VERSION_REVISION ] > 0 && aulQSV[ QSV_VERSION_REVISION ] < 26 ) ? '@' + aulQSV[ QSV_VERSION_REVISION ] : 0;
}
hb_os = "OS/2";
#else
#if defined(__GNUC__) && !defined(__DJGPP__)
struct utsname un;
uname( &un );
#if defined(HARBOUR_GCC_OS2)
sprintf( version, "%s %s", un.sysname, un.version );
#else
sprintf( version, "%s %s", un.sysname, un.release );
#endif
hb_os = "";
hb_osmajor = -2;
#else
/* TODO: add MSVC support but MSVC cannot detect any OS except Windows! */
#if defined(__TURBOC__) || defined(__BORLANDC__) || defined(__MSC__) || defined(_MSC_VER)
#if defined(_Windows) || defined(_WIN32)
/* NOTE: Support for determining the window version by Luiz Rafael Culik
Culik@sl.conex.net
*/
OSVERSIONINFO osVer; /* for GetVersionEx() */
osVer.dwOSVersionInfoSize = sizeof( osVer );
if( GetVersionEx( &osVer ) )
{
switch( osVer.dwPlatformId )
{
case VER_PLATFORM_WIN32_WINDOWS:
hb_osmajor = osVer.dwMajorVersion;
hb_osminor = osVer.dwMinorVersion;
hb_osletter = osVer.dwBuildNumber;
hb_os = "Windows 95/98";
break;
case VER_PLATFORM_WIN32_NT:
hb_osmajor = osVer.dwMajorVersion;
hb_osminor = osVer.dwMinorVersion;
hb_osletter = osVer.dwBuildNumber;
hb_os = "Windows NT";
break;
case VER_PLATFORM_WIN32s:
hb_osmajor = osVer.dwMajorVersion;
hb_osminor = osVer.dwMinorVersion;
hb_osletter = osVer.dwBuildNumber;
hb_os = "Windows 32s";
break;
}
cformat = "%s %d.%02d.%04d";
}
#else
#if defined(__MSC__) || defined(_MSC_VER)
if( _osmode == _WIN_MODE )
{
hb_os = "Windows";
hb_osmajor = _osmajor;
hb_osminor = _osminor
hb_osletter = 0;
}
#else
/* detect Windows */
_AX = 0x160A;
geninterrupt( 0x2F );
if( _AX == 0 )
{
hb_osmajor = _BX / 256;
hb_osminor = _BX % 256;
hb_osletter = 0;
hb_os = "Windows";
}
#endif /* __MSC__ */
else
{
hb_os = "DOS";
hb_osmajor = _osmajor;
hb_osminor = _osminor;
hb_osletter = 0;
}
#endif /* defined(_Windows) */
#else
union REGS regs;
/* detect OS/2 */
regs.h.ah = 0x30;
INT_86( 0x21, &regs, &regs );
if( regs.h.al >= 10 )
{
hb_os = "OS/2";
if( regs.h.al == 20 && regs.h.ah > 20 )
{
hb_osmajor = regs.h.ah / 10;
hb_osminor = regs.h.ah % 10;
}
else
{
hb_osmajor = regs.h.al / 10;
hb_osminor = regs.h.ah;
}
hb_osletter = 0;
}
else
{
hb_osmajor = _osmajor;
hb_osminor = _osminor;
regs.w.ax = 0x160A;
INT_86( 0x2F, &regs, &regs );
if( regs.w.ax == 0 )
{
hb_os = "Windows";
hb_osmajor = regs.w.bx / 256;
hb_osminor = regs.w.bx % 256;
hb_osletter = 0;
}
else
{
hb_os = "DOS";
hb_osletter = 0;
}
}
#endif /* __TURBOC__ or __BORLANDC__ or __MSC__ 0r __DJGPP__ */
#ifdef __DJGPP__
hb_os = hb_xgrab( strlen( _os_flavor ) + 1 );
strcpy( hb_os, _os_flavor );
hb_osmajor = _osmajor;
hb_osminor = _osminor;
hb_osletter = 0;
#endif
/* TODO: detect other OSes */
#endif /* __GNUC__ */
#endif /* __IBMCPP__ */
if( ! hb_os ) strcpy( version, "Unknown" );
else if( hb_osmajor == -1 ) strcpy( version, hb_os );
else if( hb_osmajor == -2 ) { /* NOP */ }
else sprintf( version, cformat, hb_os, hb_osmajor, hb_osminor, hb_osletter );
hb_retc( version );
#ifdef __DJGPP__
hb_xfree( hb_os );
#endif
#endif /* __MPW__ */
}
HARBOUR HB_VERSION( void )
{
char hb_ver[ 80 ];
sprintf( hb_ver, "Harbour %d.%d Intl. (Build %d%s) (%04d.%02d.%02d)",
hb_major, hb_minor, hb_build, hb_revision, hb_year, hb_month, hb_day );
hb_retc( hb_ver );
}
HARBOUR HB_GETENV( void )
{
if( hb_pcount() == 1 )
{
char * szName = hb_parc( 1 );
long lName = hb_parclen( 1 );
while( lName && szName[ lName - 1 ] == '=' )
{
/* strip the '=' or else it will clear the variable! */
szName[ lName - 1 ] = '\0';
lName--;
}
if( lName )
{
char * Value = getenv( szName );
hb_retc( Value ? Value : "" );
}
else
hb_retc( "" );
}
else
hb_retc( "" );
}
/*
* $FunctionName$
* __RUN
* $Syntax$
* __RUN( <cCommand> )
* $Argument$
* <cCommand> Command to execute
* $Description$
* This command runs an external program. Please make sure that you have
* enough free memory to be able to run the external program.
* Do not use it to run Terminate and Stay Resident programs (in case of DOS)
* since it cause several problems
* $Examples$
* __Run( "edit " + cMyTextFile ) // Runs an external editor
* __Run( "command" ) // Gives a DOS shell (DOS only)
* $Files$
* source/rtl/environ.c
* Run an external program
* $See also$
* ErrorLevel() ?? // TO DO : Is this correct ?
*/
HARBOUR HB___RUN( void )
{
#if defined(__TURBOC__) || defined(__BORLANDC__) || defined(__DJGPP__) || defined(__MSC__) || defined(_MSC_VER) || defined(__IBMCPP__) || defined(HARBOUR_GCC_OS2)
if( hb_pcount() == 1 ) /* Parameter passed */
{
system( hb_parc( 1 ) );
}
#endif
}