tomwalters@0: /*
tomwalters@0:     srcio.c
tomwalters@0:     =======
tomwalters@0: 
tomwalters@0:     stdio compatability routines for sources
tomwalters@0: 
tomwalters@0: */
tomwalters@0: 
tomwalters@0: #include "stitch.h"
tomwalters@0: #include "source.h"
tomwalters@0: #include "srcio.h"
tomwalters@0: 
tomwalters@0: 
tomwalters@0: 
tomwalters@0: /* Can be used for compatability with stdio FILE operations */
tomwalters@0: 
tomwalters@0: int sread( pointer, size, number, source )
tomwalters@0: char *pointer ;
tomwalters@0: unsigned size, number ;
tomwalters@0: Source source ;
tomwalters@0: {
tomwalters@0:     ByteCount bytes = size * number ;
tomwalters@0: 
tomwalters@0:     (void) FillSome( source, &bytes, pointer ) ;
tomwalters@0: 
tomwalters@0:     return ( bytes / size ) ;
tomwalters@0: }
tomwalters@0: 
tomwalters@0: /* sseek() only works for positive, relative seeks i.e. data skiping seeks */
tomwalters@0: 
tomwalters@0: int sseek( source, offset, pointername )
tomwalters@0: Source source ;
tomwalters@0: long offset ;
tomwalters@0: int pointername ;
tomwalters@0: {
tomwalters@0:     ByteCount bytes = -offset ;
tomwalters@0: 
tomwalters@0:     if( offset > 0 && pointername == 1 )
tomwalters@0: 	(void) PullSome( source, &bytes ) ;
tomwalters@0: 
tomwalters@0:     return ( 0 ) ;
tomwalters@0: }
tomwalters@0: 
tomwalters@0: int sclose( source )
tomwalters@0: Source source ;
tomwalters@0: {
tomwalters@0:     ByteCount bytes = 0 ;
tomwalters@0: 
tomwalters@0:     (void) PullSome( source, &bytes ) ;
tomwalters@0: 
tomwalters@0:     return ( 0 ) ;
tomwalters@0: }