kopia lustrzana https://gitlab.com/sane-project/backends
Added sanei_pp_getmode, fixed conditional compilation stuff.
Gerhard Jaeger
rodzic
1c8a6ee4cd
commit
7905efbb09
146
sanei/sanei_pp.c
146
sanei/sanei_pp.c
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@ -67,20 +67,20 @@
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* note that this will slow down the calls
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*/
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#if 0
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#define _PARANOIA
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# define _PARANOIA
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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# include <unistd.h>
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#endif
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#if defined(ENABLE_PARPORT_DIRECTIO)
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#if defined (ENABLE_PARPORT_DIRECTIO)
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# undef HAVE_LIBIEEE1284
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# if defined(HAVE_SYS_IO_H)
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# if defined (__ICC) && __ICC >= 700
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# define __GNUC__ 2
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# endif
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# include <sys/io.h>
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# include <sys/io.h>
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# if defined (__ICC) && __ICC >= 700
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# undef __GNUC__
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# elif defined(__ICC) && defined(HAVE_ASM_IO_H)
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@ -106,19 +106,13 @@ inb( u_long port )
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__asm__ __volatile__ ("inb %1,%0":"=a" (value):"d" ((u_short) port));
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return value;
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}
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# elif defined(HAVE_LIBIEEE1284)
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# include <ieee1284.h>
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# else
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# warning "No I/O support for this architecture!"
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# define IO_SUPPORT_MISSING
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# endif
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#elif defined(HAVE_LIBIEEE1284)
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# include <ieee1284.h>
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#else
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# warning "No I/O support for this architecture!"
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# define IO_SUPPORT_MISSING
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#endif /* HAVE_LIBIEEE1284 */
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#endif
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#include "../include/sane/sane.h"
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#include "../include/sane/sanei.h"
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@ -139,6 +133,8 @@ inb( u_long port )
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# include <sys/types.h>
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#endif
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/** our global init flag... */
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static int first_time = SANE_TRUE;
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#if (defined (HAVE_IOPERM) || defined (HAVE_LIBIEEE1284)) && !defined (IO_SUPPORT_MISSING)
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@ -150,7 +146,7 @@ typedef struct {
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#endif
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u_int in_use; /* port in use? */
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u_int enabled; /* port enabled? */
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u_int claimed; /* port claimed? */
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int caps; /* port capabilities */
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@ -166,16 +162,16 @@ static PortRec *port;
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/** redefine the CAPability flags */
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enum ieee1284_capabilities
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{
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CAP1284_RAW = (1<<0),
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CAP1284_NIBBLE = (1<<1), /* SPP mode */
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CAP1284_RAW = (1<<0),
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CAP1284_NIBBLE = (1<<1), /* SPP mode */
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CAP1284_BYTE = (1<<2), /* PS/2 bidirectional */
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CAP1284_COMPAT = (1<<3),
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CAP1284_BECP = (1<<4),
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CAP1284_ECP = (1<<5),
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CAP1284_ECPRLE = (1<<6),
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CAP1284_ECP = (1<<5), /* ECP */
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CAP1284_ECPRLE = (1<<6), /* ECP with RLE support */
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CAP1284_ECPSWE = (1<<7),
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CAP1284_EPP = (1<<8), /* EPP hardware support */
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CAP1284_EPPSL = (1<<9),
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CAP1284_EPPSL = (1<<9), /* EPP 1.7 */
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CAP1284_EPPSWE = (1<<10) /* EPP software support */
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};
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@ -285,6 +281,67 @@ static const char *pp_libieee1284_errorstr( int error )
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}
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#endif
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/** show the caps
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*/
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static int
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pp_showcaps( int caps )
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{
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int mode = 0;
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char ct[1024];
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ct[0] = '\0';
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if( caps & CAP1284_NIBBLE ) {
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strcat( ct, "SPP " );
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mode |= SANEI_PP_MODE_SPP;
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}
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if( caps & CAP1284_BYTE ) {
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strcat( ct, "PS/2 " );
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mode |= SANEI_PP_MODE_BIDI;
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}
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if( caps & CAP1284_EPP ) {
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strcat( ct, "EPP " );
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mode |= SANEI_PP_MODE_EPP;
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}
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if( caps & CAP1284_EPPSWE ) {
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strcat( ct, "EPPSWE " );
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mode |= SANEI_PP_MODE_EPP;
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}
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if( caps & CAP1284_ECP ) {
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strcat( ct, "ECP " );
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mode |= SANEI_PP_MODE_ECP;
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}
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if( caps & CAP1284_ECPRLE ) {
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strcat( ct, "ECPRLE " );
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mode |= SANEI_PP_MODE_ECP;
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}
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#if 0
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if( caps & CAP1284_RAW )
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strcat( ct, "RAW " );
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if( caps & CAP1284_COMPAT )
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strcat( ct, "COMPAT " );
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if( caps & CAP1284_EPPSL )
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strcat( ct, "EPPSL " );
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if( caps & CAP1284_EPPSWE )
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strcat( ct, "EPPSWE " );
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if( caps & CAP1284_BECP )
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strcat( ct, "BECP " );
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#endif
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DBG( 4, "Supported Modes: %s\n", ct );
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return mode;
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}
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#ifndef HAVE_LIBIEEE1284
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/** probe the parallel port
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@ -456,7 +513,6 @@ no_ecp:
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static SANE_Status
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pp_init( void )
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{
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static int first_time = SANE_TRUE;
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#if defined (HAVE_LIBIEEE1284)
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int result, i;
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#endif
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@ -465,7 +521,6 @@ pp_init( void )
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DBG( 5, "pp_init: already initalized\n" );
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return SANE_STATUS_GOOD;
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}
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DBG_INIT();
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DBG( 5, "pp_init: called for the first time\n");
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first_time = SANE_FALSE;
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@ -603,7 +658,7 @@ pp_open( const char *dev, SANE_Status * status )
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}
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port[i].in_use = SANE_TRUE;
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port[i].enabled = SANE_FALSE;
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port[i].claimed = SANE_FALSE;
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#if defined (HAVE_LIBIEEE1284)
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@ -636,6 +691,8 @@ pp_open( const char *dev, SANE_Status * status )
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port[i].caps = pp_probe( i );
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#endif
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port[i].caps = pp_showcaps( port[i].caps );
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DBG( 3, "pp_open: device `%s` opened...\n", dev );
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*status = SANE_STATUS_GOOD;
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return i;
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@ -655,7 +712,7 @@ pp_close( int fd, SANE_Status *status )
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DBG( 6, "pp_close: this is port 0x%03lx\n", port[fd].base );
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#endif
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if( port[fd].enabled == SANE_TRUE ) {
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if( port[fd].claimed == SANE_TRUE ) {
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sanei_pp_release( fd );
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}
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@ -689,6 +746,9 @@ sanei_pp_open( const char *dev, int *fd )
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{
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SANE_Status status;
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if( first_time )
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DBG_INIT();
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DBG( 4, "sanei_pp_open: called for device '%s'\n", dev);
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*fd = pp_open( dev, &status );
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@ -760,6 +820,9 @@ sanei_pp_claim( int fd )
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return -1;
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}
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#endif
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port[fd].claimed = SANE_TRUE;
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return SANE_STATUS_GOOD;
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}
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@ -776,6 +839,8 @@ sanei_pp_release( int fd )
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ieee1284_release( pplist.portv[fd] );
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#endif
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port[fd].claimed = SANE_FALSE;
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return SANE_STATUS_GOOD;
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}
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@ -910,8 +975,25 @@ sanei_pp_inb_epp( int fd )
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return inbyte4( fd );
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}
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#else /* !HAVE_IOPERM */
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SANE_Status
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sanei_pp_getmode( int fd, int *mode )
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{
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#if defined(HAVE_LIBIEEE1284)
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if ((fd < 0) || (fd >= pplist.portc)) {
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#else
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if ((fd < 0) || (fd >= NELEMS (port))) {
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#endif
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DBG( 2, "sanei_pp_getmode: invalid fd %d\n", fd );
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return SANE_STATUS_INVAL;
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}
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if( mode )
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*mode = port[fd].caps;
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return SANE_STATUS_GOOD;
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}
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#else /* !HAVE_IOPERM */
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SANE_Status
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sanei_pp_open( const char *dev, int *fd )
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@ -919,6 +1001,11 @@ sanei_pp_open( const char *dev, int *fd )
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if (fd)
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*fd = -1;
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if( first_time ) {
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DBG_INIT();
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first_time = SANE_FALSE;
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}
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DBG( 4, "sanei_pp_open: called for device `%s`\n", dev );
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DBG( 3, "sanei_pp_open: support not compiled\n" );
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DBG( 6, "sanei_pp_open: basically, this backend does only compile\n" );
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@ -1009,4 +1096,13 @@ SANE_Byte sanei_pp_inb_epp ( int fd )
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return SANE_STATUS_INVAL;
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}
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SANE_Status
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sanei_pp_getmode( int fd, int *mode )
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{
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_VAR_NOT_USED( mode );
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DBG( 4, "sanei_pp_getmode: called for fd %d\n", fd );
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DBG( 2, "sanei_pp_getmode: fd %d is invalid\n", fd );
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return SANE_STATUS_INVAL;
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}
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#endif /* !HAVE_IOPERM */
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