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/************************************************************************/
/* */
/* Simple io streams using the C stdio. */
/* */
/************************************************************************/
# include "appUtilConfig.h"
# include <sioStdio.h>
# include <appDebugoff.h>
static int sioStdioClose( void * voidf )
{ return fclose( (FILE *)voidf ); }
static int sioStdioSeek( void * voidf,
long pos )
{
if ( fseek( (FILE *)voidf, pos, SEEK_SET ) )
{ LDEB(pos); return -1; }
return 0;
}
static int sioInStdioReadBytes( void * voidf,
unsigned char * buffer,
int count )
{ return fread( buffer, 1, count, (FILE *)voidf ); }
SimpleInputStream * sioInStdioOpen( const char * filename )
{
SimpleInputStream * sis;
FILE * f= fopen( filename, "rb" );
if ( ! f )
{ SXDEB(filename,f); return (SimpleInputStream *)0; }
sis= sioInOpen( (void *)f,
sioInStdioReadBytes, sioStdioSeek, sioStdioClose );
if ( ! sis )
{ SXDEB(filename,sis); fclose( f ); return (SimpleInputStream *)0; }
return sis;
}
static int sioOutStdioWriteBytes( void * voidf,
const unsigned char * buffer,
int count )
{ return fwrite( buffer, 1, count, (FILE *)voidf ); }
SimpleOutputStream * sioOutStdioOpen( const char * filename )
{
SimpleOutputStream * sos;
FILE * f= fopen( filename, "w" );
if ( ! f )
{ SXDEB(filename,f); return (SimpleOutputStream *)0; }
sos= sioOutOpen( (void *)f, sioOutStdioWriteBytes,
sioStdioSeek, sioStdioClose );
if ( ! sos )
{ SXDEB(filename,sos); fclose( f ); return (SimpleOutputStream *)0; }
return sos;
}
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