Reinstate more of the libcdio routines.
This commit is contained in:
@@ -1,5 +1,5 @@
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/*
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/*
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$Id: common_interface.c,v 1.7 2005/01/13 21:38:21 rocky Exp $
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$Id: common_interface.c,v 1.8 2005/01/14 01:36:11 rocky Exp $
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Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
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Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
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Copyright (C) 1998, 2002 Monty monty@xiph.org
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Copyright (C) 1998, 2002 Monty monty@xiph.org
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@@ -28,7 +28,6 @@
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#include <math.h>
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#include <math.h>
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#include "common_interface.h"
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#include "common_interface.h"
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#include <cdio/bytesex.h>
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#include "utils.h"
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#include "utils.h"
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#include "smallft.h"
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#include "smallft.h"
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@@ -41,7 +40,6 @@
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portion. (Or so that's how I understand it.)
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portion. (Or so that's how I understand it.)
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*/
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*/
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#if USELIBCDIO_ROUTINES
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int
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int
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data_bigendianp(cdrom_drive_t *d)
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data_bigendianp(cdrom_drive_t *d)
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{
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{
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@@ -108,9 +106,9 @@ data_bigendianp(cdrom_drive_t *d)
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int j;
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int j;
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for(j=0;j<128;j++)
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for(j=0;j<128;j++)
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a[j]=UINT16_FROM_BE(buff[j*2+beginsec+460]);
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a[j]=le16_to_cpu(buff[j*2+beginsec+460]);
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for(j=0;j<128;j++)
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for(j=0;j<128;j++)
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b[j]=UINT16_FROM_BE(buff[j*2+beginsec+461]);
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b[j]=le16_to_cpu(buff[j*2+beginsec+461]);
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fft_forward(128,a,NULL,NULL);
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fft_forward(128,a,NULL,NULL);
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fft_forward(128,b,NULL,NULL);
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fft_forward(128,b,NULL,NULL);
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@@ -119,10 +117,10 @@ data_bigendianp(cdrom_drive_t *d)
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lsb_energy+=fabs(a[j])+fabs(b[j]);
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lsb_energy+=fabs(a[j])+fabs(b[j]);
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for(j=0;j<128;j++)
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for(j=0;j<128;j++)
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a[j]=UINT16_FROM_LE(buff[j*2+beginsec+460]);
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a[j]=be16_to_cpu(buff[j*2+beginsec+460]);
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for(j=0;j<128;j++)
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for(j=0;j<128;j++)
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b[j]=UINT16_FROM_LE(buff[j*2+beginsec+461]);
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b[j]=be16_to_cpu(buff[j*2+beginsec+461]);
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fft_forward(128,a,NULL,NULL);
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fft_forward(128,a,NULL,NULL);
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fft_forward(128,b,NULL,NULL);
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fft_forward(128,b,NULL,NULL);
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@@ -174,126 +172,6 @@ data_bigendianp(cdrom_drive_t *d)
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}
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}
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}
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}
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#else
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int data_bigendianp(cdrom_drive *d){
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float lsb_votes=0;
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float msb_votes=0;
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int i,checked;
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int endiancache=d->bigendianp;
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float *a=calloc(1024,sizeof(float));
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float *b=calloc(1024,sizeof(float));
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long readsectors=5;
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int16_t *buff=malloc(readsectors*CDIO_CD_FRAMESIZE_RAW);
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/* look at the starts of the audio tracks */
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/* if real silence, tool in until some static is found */
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/* Force no swap for now */
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d->bigendianp=-1;
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cdmessage(d,"\nAttempting to determine drive endianness from data...");
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d->enable_cdda(d,1);
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for(i=0,checked=0;i<d->tracks;i++){
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float lsb_energy=0;
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float msb_energy=0;
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if(cdda_track_audiop(d,i+1)==1){
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long firstsector=cdda_track_firstsector(d,i+1);
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long lastsector=cdda_track_lastsector(d,i+1);
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int zeroflag=-1;
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long beginsec=0;
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/* find a block with nonzero data */
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while(firstsector+readsectors<=lastsector){
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int j;
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if(d->read_audio(d,buff,firstsector,readsectors)>0){
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/* Avoid scanning through jitter at the edges */
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for(beginsec=0;beginsec<readsectors;beginsec++){
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int offset=beginsec*CDIO_CD_FRAMESIZE_RAW/2;
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/* Search *half* */
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for(j=460;j<128+460;j++)
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if(buff[offset+j]!=0){
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zeroflag=0;
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break;
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}
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if(!zeroflag)break;
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}
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if(!zeroflag)break;
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firstsector+=readsectors;
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}else{
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d->enable_cdda(d,0);
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free(a);
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free(b);
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free(buff);
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return(-1);
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}
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}
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beginsec*=CDIO_CD_FRAMESIZE_RAW/2;
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/* un-interleave for an fft */
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if(!zeroflag){
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int j;
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for(j=0;j<128;j++)a[j]=le16_to_cpu(buff[j*2+beginsec+460]);
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for(j=0;j<128;j++)b[j]=le16_to_cpu(buff[j*2+beginsec+461]);
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fft_forward(128,a,NULL,NULL);
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fft_forward(128,b,NULL,NULL);
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for(j=0;j<128;j++)lsb_energy+=fabs(a[j])+fabs(b[j]);
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for(j=0;j<128;j++)a[j]=be16_to_cpu(buff[j*2+beginsec+460]);
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for(j=0;j<128;j++)b[j]=be16_to_cpu(buff[j*2+beginsec+461]);
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fft_forward(128,a,NULL,NULL);
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fft_forward(128,b,NULL,NULL);
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for(j=0;j<128;j++)msb_energy+=fabs(a[j])+fabs(b[j]);
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}
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}
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if(lsb_energy<msb_energy){
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lsb_votes+=msb_energy/lsb_energy;
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checked++;
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}else
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if(lsb_energy>msb_energy){
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msb_votes+=lsb_energy/msb_energy;
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checked++;
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}
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if(checked==5 && (lsb_votes==0 || msb_votes==0))break;
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cdmessage(d,".");
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}
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free(buff);
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free(a);
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free(b);
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d->bigendianp=endiancache;
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d->enable_cdda(d,0);
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/* How did we vote? Be potentially noisy */
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if(lsb_votes>msb_votes){
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char buffer[256];
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cdmessage(d,"\n\tData appears to be coming back little endian.\n");
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sprintf(buffer,"\tcertainty: %d%%\n",(int)
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(100.*lsb_votes/(lsb_votes+msb_votes)+.5));
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cdmessage(d,buffer);
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return(0);
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}else{
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if(msb_votes>lsb_votes){
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char buffer[256];
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cdmessage(d,"\n\tData appears to be coming back big endian.\n");
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sprintf(buffer,"\tcertainty: %d%%\n",(int)
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(100.*msb_votes/(lsb_votes+msb_votes)+.5));
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cdmessage(d,buffer);
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return(1);
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}
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cdmessage(d,"\n\tCannot determine CDROM drive endianness.\n");
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return(bigendianp());
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return(-1);
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}
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}
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#endif
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/************************************************************************/
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/************************************************************************/
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/*! Here we fix up a couple of things that will never happen. yeah,
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/*! Here we fix up a couple of things that will never happen. yeah,
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@@ -1,5 +1,5 @@
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/*
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/*
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$Id: utils.c,v 1.1 2004/12/18 17:29:32 rocky Exp $
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$Id: utils.c,v 1.2 2005/01/14 01:36:12 rocky Exp $
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Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
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Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
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Copyright (C) 1998 Monty xiphmont@mit.edu
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Copyright (C) 1998 Monty xiphmont@mit.edu
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@@ -136,3 +136,15 @@ idmessage(int messagedest,char **messages,const char *f,
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}
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}
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if(malloced)free(buffer);
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if(malloced)free(buffer);
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}
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}
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char *
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catstring(char *buff,const char *s){
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if(s){
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if(buff)
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buff=realloc(buff,strlen(buff)+strlen(s)+9);
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else
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buff=calloc(strlen(s)+9,1);
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strcat(buff,s);
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}
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return(buff);
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}
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@@ -1,7 +1,7 @@
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/*
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/*
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$Id: utils.h,v 1.4 2005/01/13 21:38:21 rocky Exp $
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$Id: utils.h,v 1.5 2005/01/14 01:36:12 rocky Exp $
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Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
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Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
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Copyright (C) 1998 Monty xiphmont@mit.edu
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Copyright (C) 1998 Monty xiphmont@mit.edu
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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@@ -19,6 +19,7 @@
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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*/
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#include <cdio/bytesex.h>
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#include <stdio.h>
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#include <stdio.h>
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/* I wonder how many alignment issues this is gonna trip in the
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/* I wonder how many alignment issues this is gonna trip in the
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@@ -33,40 +34,19 @@ bigendianp(void)
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return(1);
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return(1);
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}
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}
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static inline char *
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extern char *catstring(char *buff, const char *s);
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catstring(char *buff,const char *s){
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if(s){
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if(buff)
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buff=realloc(buff,strlen(buff)+strlen(s)+9);
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else
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buff=calloc(strlen(s)+9,1);
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strcat(buff,s);
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}
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return(buff);
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}
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static inline int32_t swap32(int32_t x){
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return((((u_int32_t)x & 0x000000ffU) << 24) |
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(((u_int32_t)x & 0x0000ff00U) << 8) |
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(((u_int32_t)x & 0x00ff0000U) >> 8) |
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(((u_int32_t)x & 0xff000000U) >> 24));
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}
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static inline int16_t swap16(int16_t x){
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return((((u_int16_t)x & 0x00ffU) << 8) |
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(((u_int16_t)x & 0xff00U) >> 8));
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}
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/*#if BYTE_ORDER == LITTLE_ENDIAN*/
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/*#if BYTE_ORDER == LITTLE_ENDIAN*/
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#ifndef WORDS_BIGENDIAN
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#ifndef WORDS_BIGENDIAN
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static inline int32_t be32_to_cpu(int32_t x){
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static inline int32_t be32_to_cpu(int32_t x){
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return(swap32(x));
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return(UINT32_SWAP_LE_BE_C(x));
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}
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}
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static inline int16_t be16_to_cpu(int16_t x){
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static inline int16_t be16_to_cpu(int16_t x){
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return(swap16(x));
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return(UINT16_SWAP_LE_BE_C(x));
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}
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}
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static inline int32_t le32_to_cpu(int32_t x){
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static inline int32_t le32_to_cpu(int32_t x){
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@@ -88,11 +68,11 @@ static inline int16_t be16_to_cpu(int16_t x){
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}
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}
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static inline int32_t le32_to_cpu(int32_t x){
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static inline int32_t le32_to_cpu(int32_t x){
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return(swap32(x));
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return(UINT32_SWAP_LE_BE_C(x));
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}
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}
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static inline int16_t le16_to_cpu(int16_t x){
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static inline int16_t le16_to_cpu(int16_t x){
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return(swap16(x));
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return(UINT16_SWAP_LE_BE_C(x));
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}
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}
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Block a user