Clone of https://github.com/NixOS/nixpkgs.git (to stress-test knotserver)
1--- cdparanoia-III-10.2/interface/cdda_interface.h (revision 15337)
2+++ cdparanoia-III-10.2/interface/cdda_interface.h (revision 15338)
3@@ -85,5 +85,5 @@
4 int is_mmc;
5
6- cdda_private_data_t *private;
7+ cdda_private_data_t *private_data;
8 void *reserved;
9 unsigned char inqbytes[4];
10--- cdparanoia-III-10.2/interface/cooked_interface.c (revision 15337)
11+++ cdparanoia-III-10.2/interface/cooked_interface.c (revision 15338)
12@@ -14,11 +14,11 @@
13 struct timespec tv1;
14 struct timespec tv2;
15- int ret1=clock_gettime(d->private->clock,&tv1);
16+ int ret1=clock_gettime(d->private_data->clock,&tv1);
17 int ret2=ioctl(fd, command,arg);
18- int ret3=clock_gettime(d->private->clock,&tv2);
19+ int ret3=clock_gettime(d->private_data->clock,&tv2);
20 if(ret1<0 || ret3<0){
21- d->private->last_milliseconds=-1;
22+ d->private_data->last_milliseconds=-1;
23 }else{
24- d->private->last_milliseconds = (tv2.tv_sec-tv1.tv_sec)*1000. + (tv2.tv_nsec-tv1.tv_nsec)/1000000.;
25+ d->private_data->last_milliseconds = (tv2.tv_sec-tv1.tv_sec)*1000. + (tv2.tv_nsec-tv1.tv_nsec)/1000000.;
26 }
27 return ret2;
28--- cdparanoia-III-10.2/interface/interface.c (revision 15337)
29+++ cdparanoia-III-10.2/interface/interface.c (revision 15338)
30@@ -40,7 +40,7 @@
31 if(d->cdda_fd!=-1)close(d->cdda_fd);
32 if(d->ioctl_fd!=-1 && d->ioctl_fd!=d->cdda_fd)close(d->ioctl_fd);
33- if(d->private){
34- if(d->private->sg_hd)free(d->private->sg_hd);
35- free(d->private);
36+ if(d->private_data){
37+ if(d->private_data->sg_hd)free(d->private_data->sg_hd);
38+ free(d->private_data);
39 }
40
41@@ -128,5 +128,5 @@
42 }
43 }
44- if(ms)*ms=d->private->last_milliseconds;
45+ if(ms)*ms=d->private_data->last_milliseconds;
46 return(sectors);
47 }
48--- cdparanoia-III-10.2/interface/scan_devices.c (revision 15337)
49+++ cdparanoia-III-10.2/interface/scan_devices.c (revision 15338)
50@@ -265,9 +265,9 @@
51 d->bigendianp=-1; /* We don't know yet... */
52 d->nsectors=-1;
53- d->private=calloc(1,sizeof(*d->private));
54+ d->private_data=calloc(1,sizeof(*d->private_data));
55 {
56 /* goddamnit */
57 struct timespec tv;
58- d->private->clock=(clock_gettime(CLOCK_MONOTONIC,&tv)<0?CLOCK_REALTIME:CLOCK_MONOTONIC);
59+ d->private_data->clock=(clock_gettime(CLOCK_MONOTONIC,&tv)<0?CLOCK_REALTIME:CLOCK_MONOTONIC);
60 }
61 idmessage(messagedest,messages,"\t\tCDROM sensed: %s\n",description);
62@@ -675,13 +675,13 @@
63 d->nsectors=-1;
64 d->messagedest = messagedest;
65- d->private=calloc(1,sizeof(*d->private));
66+ d->private_data=calloc(1,sizeof(*d->private_data));
67 {
68 /* goddamnit */
69 struct timespec tv;
70- d->private->clock=(clock_gettime(CLOCK_MONOTONIC,&tv)<0?CLOCK_REALTIME:CLOCK_MONOTONIC);
71+ d->private_data->clock=(clock_gettime(CLOCK_MONOTONIC,&tv)<0?CLOCK_REALTIME:CLOCK_MONOTONIC);
72 }
73 if(use_sgio){
74 d->interface=SGIO_SCSI;
75- d->private->sg_buffer=(unsigned char *)(d->private->sg_hd=malloc(MAX_BIG_BUFF_SIZE));
76+ d->private_data->sg_buffer=(unsigned char *)(d->private_data->sg_hd=malloc(MAX_BIG_BUFF_SIZE));
77 g_fd=d->cdda_fd=dup(d->ioctl_fd);
78 }else{
79@@ -697,6 +697,6 @@
80
81 /* malloc our big buffer for scsi commands */
82- d->private->sg_hd=malloc(MAX_BIG_BUFF_SIZE);
83- d->private->sg_buffer=((unsigned char *)d->private->sg_hd)+SG_OFF;
84+ d->private_data->sg_hd=malloc(MAX_BIG_BUFF_SIZE);
85+ d->private_data->sg_buffer=((unsigned char *)d->private_data->sg_hd)+SG_OFF;
86 }
87
88@@ -773,7 +773,7 @@
89 if(g_fd!=-1)close(g_fd);
90 if(d){
91- if(d->private){
92- if(d->private->sg_hd)free(d->private->sg_hd);
93- free(d->private);
94+ if(d->private_data){
95+ if(d->private_data->sg_hd)free(d->private_data->sg_hd);
96+ free(d->private_data);
97 }
98 free(d);
99@@ -822,5 +822,5 @@
100 d->bigendianp=-1; /* We don't know yet... */
101 d->nsectors=-1;
102- d->private=calloc(1,sizeof(*d->private));
103+ d->private_data=calloc(1,sizeof(*d->private_data));
104 d->drive_model=copystring("File based test interface");
105 idmessage(messagedest,messages,"\t\tCDROM sensed: %s\n",d->drive_model);
106--- cdparanoia-III-10.2/interface/scsi_interface.c (revision 15337)
107+++ cdparanoia-III-10.2/interface/scsi_interface.c (revision 15338)
108@@ -16,11 +16,11 @@
109 struct timespec tv1;
110 struct timespec tv2;
111- int ret1=clock_gettime(d->private->clock,&tv1);
112+ int ret1=clock_gettime(d->private_data->clock,&tv1);
113 int ret2=ioctl(fd, command,arg);
114- int ret3=clock_gettime(d->private->clock,&tv2);
115+ int ret3=clock_gettime(d->private_data->clock,&tv2);
116 if(ret1<0 || ret3<0){
117- d->private->last_milliseconds=-1;
118+ d->private_data->last_milliseconds=-1;
119 }else{
120- d->private->last_milliseconds = (tv2.tv_sec-tv1.tv_sec)*1000. + (tv2.tv_nsec-tv1.tv_nsec)/1000000.;
121+ d->private_data->last_milliseconds = (tv2.tv_sec-tv1.tv_sec)*1000. + (tv2.tv_nsec-tv1.tv_nsec)/1000000.;
122 }
123 return ret2;
124@@ -97,5 +97,5 @@
125 fd_set fdset;
126 struct timeval tv;
127- struct sg_header *sg_hd=d->private->sg_hd;
128+ struct sg_header *sg_hd=d->private_data->sg_hd;
129 int flag=0;
130
131@@ -186,5 +186,5 @@
132 int tret1,tret2;
133 int status = 0;
134- struct sg_header *sg_hd=d->private->sg_hd;
135+ struct sg_header *sg_hd=d->private_data->sg_hd;
136 long writebytes=SG_OFF+cmd_len+in_size;
137
138@@ -196,5 +196,5 @@
139 memset(sg_hd,0,sizeof(sg_hd));
140 memset(sense_buffer,0,SG_MAX_SENSE);
141- memcpy(d->private->sg_buffer,cmd,cmd_len+in_size);
142+ memcpy(d->private_data->sg_buffer,cmd,cmd_len+in_size);
143 sg_hd->twelve_byte = cmd_len == 12;
144 sg_hd->result = 0;
145@@ -210,5 +210,5 @@
146
147 if(bytecheck && out_size>in_size){
148- memset(d->private->sg_buffer+cmd_len+in_size,bytefill,out_size-in_size);
149+ memset(d->private_data->sg_buffer+cmd_len+in_size,bytefill,out_size-in_size);
150 /* the size does not remove cmd_len due to the way the kernel
151 driver copies buffers */
152@@ -244,5 +244,5 @@
153
154 sigprocmask (SIG_BLOCK, &(d->sigset), NULL );
155- tret1=clock_gettime(d->private->clock,&tv1);
156+ tret1=clock_gettime(d->private_data->clock,&tv1);
157 errno=0;
158 status = write(d->cdda_fd, sg_hd, writebytes );
159@@ -290,5 +290,5 @@
160 }
161
162- tret2=clock_gettime(d->private->clock,&tv2);
163+ tret2=clock_gettime(d->private_data->clock,&tv2);
164 errno=0;
165 status = read(d->cdda_fd, sg_hd, SG_OFF + out_size);
166@@ -314,5 +314,5 @@
167 long i,flag=0;
168 for(i=in_size;i<out_size;i++)
169- if(d->private->sg_buffer[i]!=bytefill){
170+ if(d->private_data->sg_buffer[i]!=bytefill){
171 flag=1;
172 break;
173@@ -327,7 +327,7 @@
174 errno=0;
175 if(tret1<0 || tret2<0){
176- d->private->last_milliseconds=-1;
177+ d->private_data->last_milliseconds=-1;
178 }else{
179- d->private->last_milliseconds = (tv2.tv_sec-tv1.tv_sec)*1000 + (tv2.tv_nsec-tv1.tv_nsec)/1000000;
180+ d->private_data->last_milliseconds = (tv2.tv_sec-tv1.tv_sec)*1000 + (tv2.tv_nsec-tv1.tv_nsec)/1000000;
181 }
182 return(0);
183@@ -348,5 +348,5 @@
184 memset(&hdr,0,sizeof(hdr));
185 memset(sense,0,sizeof(sense));
186- memcpy(d->private->sg_buffer,cmd+cmd_len,in_size);
187+ memcpy(d->private_data->sg_buffer,cmd+cmd_len,in_size);
188
189 hdr.cmdp = cmd;
190@@ -356,5 +356,5 @@
191 hdr.timeout = 50000;
192 hdr.interface_id = 'S';
193- hdr.dxferp = d->private->sg_buffer;
194+ hdr.dxferp = d->private_data->sg_buffer;
195 hdr.flags = SG_FLAG_DIRECT_IO; /* direct IO if we can get it */
196
197@@ -401,5 +401,5 @@
198 long i,flag=0;
199 for(i=in_size;i<out_size;i++)
200- if(d->private->sg_buffer[i]!=bytefill){
201+ if(d->private_data->sg_buffer[i]!=bytefill){
202 flag=1;
203 break;
204@@ -413,5 +413,5 @@
205
206 /* Can't rely on .duration because we can't be certain kernel has HZ set to something useful */
207- /* d->private->last_milliseconds = hdr.duration; */
208+ /* d->private_data->last_milliseconds = hdr.duration; */
209
210 errno = 0;
211@@ -446,7 +446,7 @@
212 handle_scsi_cmd(d, cmd, 6, 0, 56, 0,0, sense);
213
214- key = d->private->sg_buffer[2] & 0xf;
215- ASC = d->private->sg_buffer[12];
216- ASCQ = d->private->sg_buffer[13];
217+ key = d->private_data->sg_buffer[2] & 0xf;
218+ ASC = d->private_data->sg_buffer[12];
219+ ASCQ = d->private_data->sg_buffer[13];
220
221 if(key == 2 && ASC == 4 && ASCQ == 1) return 0;
222@@ -493,5 +493,5 @@
223
224 {
225- unsigned char *b=d->private->sg_buffer;
226+ unsigned char *b=d->private_data->sg_buffer;
227 if(b[0])return(1); /* Handles only up to 256 bytes */
228 if(b[6])return(1); /* Handles only up to 256 bytes */
229@@ -605,6 +605,6 @@
230 if(mode_sense(d,12,0x01))return(-1);
231
232- d->orgdens = d->private->sg_buffer[4];
233- return(d->orgsize = ((int)(d->private->sg_buffer[10])<<8)+d->private->sg_buffer[11]);
234+ d->orgdens = d->private_data->sg_buffer[4];
235+ return(d->orgsize = ((int)(d->private_data->sg_buffer[10])<<8)+d->private_data->sg_buffer[11]);
236 }
237
238@@ -665,6 +665,6 @@
239 }
240
241- first=d->private->sg_buffer[2];
242- last=d->private->sg_buffer[3];
243+ first=d->private_data->sg_buffer[2];
244+ last=d->private_data->sg_buffer[3];
245 tracks=last-first+1;
246
247@@ -684,5 +684,5 @@
248 }
249 {
250- scsi_TOC *toc=(scsi_TOC *)(d->private->sg_buffer+4);
251+ scsi_TOC *toc=(scsi_TOC *)(d->private_data->sg_buffer+4);
252
253 d->disc_toc[i-first].bFlags=toc->bFlags;
254@@ -705,5 +705,5 @@
255 }
256 {
257- scsi_TOC *toc=(scsi_TOC *)(d->private->sg_buffer+4);
258+ scsi_TOC *toc=(scsi_TOC *)(d->private_data->sg_buffer+4);
259
260 d->disc_toc[i-first].bFlags=toc->bFlags;
261@@ -739,5 +739,5 @@
262
263 /* copy to our structure and convert start sector */
264- tracks = d->private->sg_buffer[1];
265+ tracks = d->private_data->sg_buffer[1];
266 if (tracks > MAXTRK) {
267 cderror(d,"003: CDROM reporting illegal number of tracks\n");
268@@ -755,31 +755,31 @@
269 }
270
271- d->disc_toc[i].bFlags = d->private->sg_buffer[10];
272+ d->disc_toc[i].bFlags = d->private_data->sg_buffer[10];
273 d->disc_toc[i].bTrack = i + 1;
274
275 d->disc_toc[i].dwStartSector= d->adjust_ssize *
276- (((signed char)(d->private->sg_buffer[2])<<24) |
277- (d->private->sg_buffer[3]<<16)|
278- (d->private->sg_buffer[4]<<8)|
279- (d->private->sg_buffer[5]));
280+ (((signed char)(d->private_data->sg_buffer[2])<<24) |
281+ (d->private_data->sg_buffer[3]<<16)|
282+ (d->private_data->sg_buffer[4]<<8)|
283+ (d->private_data->sg_buffer[5]));
284 }
285
286 d->disc_toc[i].bFlags = 0;
287 d->disc_toc[i].bTrack = i + 1;
288- memcpy (&foo, d->private->sg_buffer+2, 4);
289- memcpy (&bar, d->private->sg_buffer+6, 4);
290+ memcpy (&foo, d->private_data->sg_buffer+2, 4);
291+ memcpy (&bar, d->private_data->sg_buffer+6, 4);
292 d->disc_toc[i].dwStartSector = d->adjust_ssize * (be32_to_cpu(foo) +
293 be32_to_cpu(bar));
294
295 d->disc_toc[i].dwStartSector= d->adjust_ssize *
296- ((((signed char)(d->private->sg_buffer[2])<<24) |
297- (d->private->sg_buffer[3]<<16)|
298- (d->private->sg_buffer[4]<<8)|
299- (d->private->sg_buffer[5]))+
300+ ((((signed char)(d->private_data->sg_buffer[2])<<24) |
301+ (d->private_data->sg_buffer[3]<<16)|
302+ (d->private_data->sg_buffer[4]<<8)|
303+ (d->private_data->sg_buffer[5]))+
304
305- ((((signed char)(d->private->sg_buffer[6])<<24) |
306- (d->private->sg_buffer[7]<<16)|
307- (d->private->sg_buffer[8]<<8)|
308- (d->private->sg_buffer[9]))));
309+ ((((signed char)(d->private_data->sg_buffer[6])<<24) |
310+ (d->private_data->sg_buffer[7]<<16)|
311+ (d->private_data->sg_buffer[8]<<8)|
312+ (d->private_data->sg_buffer[9]))));
313
314
315@@ -818,5 +818,5 @@
316 if((ret=handle_scsi_cmd(d,cmd,10,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
317 return(ret);
318- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
319+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
320 return(0);
321 }
322@@ -837,5 +837,5 @@
323 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
324 return(ret);
325- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
326+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
327 return(0);
328 }
329@@ -855,5 +855,5 @@
330 if((ret=handle_scsi_cmd(d,cmd,10,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
331 return(ret);
332- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
333+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
334 return(0);
335 }
336@@ -873,5 +873,5 @@
337 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
338 return(ret);
339- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
340+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
341 return(0);
342 }
343@@ -891,5 +891,5 @@
344 if((ret=handle_scsi_cmd(d,cmd,10,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
345 return(ret);
346- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
347+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
348 return(0);
349 }
350@@ -909,5 +909,5 @@
351 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
352 return(ret);
353- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
354+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
355 return(0);
356 }
357@@ -923,5 +923,5 @@
358 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
359 return(ret);
360- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
361+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
362 return(0);
363 }
364@@ -937,5 +937,5 @@
365 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
366 return(ret);
367- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
368+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
369 return(0);
370 }
371@@ -951,5 +951,5 @@
372 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
373 return(ret);
374- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
375+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
376 return(0);
377 }
378@@ -965,5 +965,5 @@
379 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
380 return(ret);
381- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
382+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
383 return(0);
384 }
385@@ -979,5 +979,5 @@
386 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
387 return(ret);
388- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
389+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
390 return(0);
391 }
392@@ -993,5 +993,5 @@
393 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
394 return(ret);
395- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
396+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
397 return(0);
398 }
399@@ -1027,5 +1027,5 @@
400 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
401 return(ret);
402- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
403+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
404 return(0);
405 }
406@@ -1040,5 +1040,5 @@
407 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
408 return(ret);
409- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
410+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
411 return(0);
412 }
413@@ -1053,5 +1053,5 @@
414 if((ret=handle_scsi_cmd(d,cmd,12,0,sectors * CD_FRAMESIZE_RAW,'\177',1,sense)))
415 return(ret);
416- if(p)memcpy(p,d->private->sg_buffer,sectors*CD_FRAMESIZE_RAW);
417+ if(p)memcpy(p,d->private_data->sg_buffer,sectors*CD_FRAMESIZE_RAW);
418 return(0);
419 }
420@@ -1276,5 +1276,5 @@
421 long i;
422 for(i=2351;i>=0;i--)
423- if(d->private->sg_buffer[i]!=(unsigned char)'\177')
424+ if(d->private_data->sg_buffer[i]!=(unsigned char)'\177')
425 return(((i+3)>>2)<<2);
426
427@@ -1285,5 +1285,5 @@
428 long i,flag=0;
429 for(i=0;i<2352;i++)
430- if(d->private->sg_buffer[i]!=0){
431+ if(d->private_data->sg_buffer[i]!=0){
432 flag=1;
433 break;
434@@ -1622,5 +1622,5 @@
435 if(mode_sense(d,22,0x2A)==0){
436
437- b=d->private->sg_buffer;
438+ b=d->private_data->sg_buffer;
439 b+=b[3]+4;
440
441@@ -1670,5 +1670,5 @@
442 return(NULL);
443 }
444- return (d->private->sg_buffer);
445+ return (d->private_data->sg_buffer);
446 }
447
448@@ -1726,6 +1726,6 @@
449
450 d->error_retry=1;
451- d->private->sg_hd=realloc(d->private->sg_hd,d->nsectors*CD_FRAMESIZE_RAW + SG_OFF + 128);
452- d->private->sg_buffer=((unsigned char *)d->private->sg_hd)+SG_OFF;
453+ d->private_data->sg_hd=realloc(d->private_data->sg_hd,d->nsectors*CD_FRAMESIZE_RAW + SG_OFF + 128);
454+ d->private_data->sg_buffer=((unsigned char *)d->private_data->sg_hd)+SG_OFF;
455 d->report_all=1;
456 return(0);
457--- cdparanoia-III-10.2/interface/test_interface.c (revision 15337)
458+++ cdparanoia-III-10.2/interface/test_interface.c (revision 15338)
459@@ -67,7 +67,7 @@
460
461 if(begin<lastread)
462- d->private->last_milliseconds=20;
463+ d->private_data->last_milliseconds=20;
464 else
465- d->private->last_milliseconds=sectors;
466+ d->private_data->last_milliseconds=sectors;
467
468 #ifdef CDDA_TEST_UNDERRUN