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|
/*
|| ----------------------------------------------------------------------------
||
|| HETLIB.C (c) Copyright Leland Lucius, 2000-2003
|| Released under terms of the Q Public License.
||
|| Creates IEHINITT or NL format Hercules Emulated Tapes.
||
|| ----------------------------------------------------------------------------
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "hetlib.h"
#include "sllib.h"
#include "hercules.h"
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
/*
|| Local constant data
*/
static const char help[] =
"%s - Initialize a tape\n\n"
"Usage: %s [options] filename [volser] [owner]\n\n"
"Options:\n"
" -d disable compression\n"
" -h display usage summary\n"
" -i create an IEHINITT formatted tape (default: on)\n"
" -n create an NL tape\n";
#ifdef EXTERNALGUI
/* Special flag to indicate whether or not we're being
run under the control of the external GUI facility. */
int extgui = 0;
#endif /*EXTERNALGUI*/
/*
|| Prints usage information
*/
static void
usage( char *name )
{
printf( help, name, name );
}
/*
|| Standard main() function
*/
int
main( int argc, char *argv[] )
{
int rc;
SLLABEL lab;
HETB *hetb;
int o_iehinitt;
int o_nl;
int o_compress;
char *o_filename;
char *o_owner;
char *o_volser;
#ifdef EXTERNALGUI
if (argc >= 1 && strncmp(argv[argc-1],"EXTERNALGUI",11) == 0)
{
extgui = 1;
argc--;
}
#endif /*EXTERNALGUI*/
hetb = NULL;
o_filename = NULL;
o_iehinitt = TRUE;
o_nl = FALSE;
o_compress = TRUE;
o_owner = NULL;
o_volser = NULL;
/* Display the program identification message */
display_version (stderr, "Hercules HET IEHINITT program ");
while( TRUE )
{
rc = getopt( argc, argv, "dhin" );
if( rc == -1 )
{
break;
}
switch( rc )
{
case 'd':
o_compress = FALSE;
break;
case 'h':
usage( argv[ 0 ] );
goto exit;
break;
case 'i':
o_iehinitt = TRUE;
o_nl = FALSE;
break;
case 'n':
o_iehinitt = FALSE;
o_nl = TRUE;
break;
default:
usage( argv[ 0 ] );
goto exit;
break;
}
}
argc -= optind;
if( argc < 1 )
{
usage( argv[ 0 ] );
goto exit;
}
o_filename = argv[ optind ];
if( o_iehinitt )
{
if( argc == 2 )
{
o_volser = argv[ optind + 1 ];
}
else if( argc == 3 )
{
o_volser = argv[ optind + 1 ];
o_owner = argv[ optind + 2 ];
}
else
{
usage( argv[ 0 ] );
goto exit;
}
}
if( o_nl )
{
if( argc != 1 )
{
usage( argv[ 0 ] );
goto exit;
}
}
rc = het_open( &hetb, o_filename, HETOPEN_CREATE );
if( rc < 0 )
{
printf( "het_open() returned %d\n", rc );
goto exit;
}
rc = het_cntl( hetb, HETCNTL_SET | HETCNTL_COMPRESS, o_compress );
if( rc < 0 )
{
printf( "het_cntl() returned %d\n", rc );
goto exit;
}
if( o_iehinitt )
{
sl_vol1( &lab, o_volser, o_owner );
rc = het_write( hetb, &lab, sizeof( lab ) );
if( rc < 0 )
{
printf( "het_write() for VOL1 returned %d\n", rc );
goto exit;
}
sl_hdr1( &lab, SL_INITDSN, NULL, 0, 0, NULL, 0 );
rc = het_write( hetb, &lab, sizeof( lab ) );
if( rc < 0 )
{
printf( "het_write() for HDR1 returned %d\n", rc );
goto exit;
}
}
else if( o_nl )
{
rc = het_tapemark( hetb );
if( rc < 0 )
{
printf( "het_tapemark() returned %d\n", rc );
goto exit;
}
}
rc = het_tapemark( hetb );
if( rc < 0 )
{
printf( "het_tapemark() returned %d\n", rc );
goto exit;
}
exit:
het_close( &hetb );
return( rc < 0 );
}
|
