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[strace] / stream.c
1 /*
2  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
3  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  *      $Id$
29  */
30
31 #include "defs.h"
32
33 #if defined(HAVE_SYS_STREAM_H) || defined(linux)
34
35 #if defined(linux)
36 #include <sys/poll.h>
37
38 #define RS_HIPRI 1
39 struct strbuf {
40         int     maxlen;                 /* no. of bytes in buffer */
41         int     len;                    /* no. of bytes returned */
42         char    *buf;                   /* pointer to data */
43 };
44 #define MORECTL 1
45 #define MOREDATA 2
46
47 #else /* linux */
48
49 #include <stropts.h>
50 #include <poll.h>
51 #include <sys/conf.h>
52 #include <sys/stream.h>
53 #include <sys/tihdr.h>
54
55 #endif /* linux */
56
57 #ifdef HAVE_SYS_TIUSER_H
58 #include <sys/tiuser.h>
59 #include <sys/sockmod.h>
60 #include <sys/timod.h>
61 #endif /* HAVE_SYS_TIUSER_H */
62
63 static struct xlat msgflags[] = {
64         { RS_HIPRI,     "RS_HIPRI"      },
65         { 0,            NULL            },
66 };
67
68
69 static void
70 printstrbuf(tcp, sbp, getting)
71 struct tcb *tcp;
72 struct strbuf *sbp;
73 int getting;
74 {
75         if (sbp->maxlen == -1 && getting)
76                 tprintf("{maxlen=-1}");
77         else {
78                 tprintf("{");
79                 if (getting)
80                         tprintf("maxlen=%d, ", sbp->maxlen);
81                 tprintf("len=%d, buf=", sbp->len);
82                 printstr(tcp, (unsigned long) sbp->buf, sbp->len);
83                 tprintf("}");
84         }
85 }
86
87 static void
88 printstrbufarg(tcp, arg, getting)
89 struct tcb *tcp;
90 int arg;
91 int getting;
92 {
93         struct strbuf buf;
94
95         if (arg == 0)
96                 tprintf("NULL");
97         else if (umove(tcp, arg, &buf) < 0)
98                 tprintf("{...}");
99         else
100                 printstrbuf(tcp, &buf, getting);
101         tprintf(", ");
102 }
103
104 int
105 sys_putmsg(tcp)
106 struct tcb *tcp;
107 {
108         int i;
109
110         if (entering(tcp)) {
111                 /* fd */
112                 tprintf("%ld, ", tcp->u_arg[0]);
113                 /* control and data */
114                 for (i = 1; i < 3; i++)
115                         printstrbufarg(tcp, tcp->u_arg[i], 0);
116                 /* flags */
117                 if (!printflags(msgflags, tcp->u_arg[3]))
118                         tprintf("0");
119         }
120         return 0;
121 }
122
123 int
124 sys_getmsg(tcp)
125 struct tcb *tcp;
126 {
127         int i, flags;
128
129         if (entering(tcp)) {
130                 /* fd */
131                 tprintf("%lu, ", tcp->u_arg[0]);
132         } else {
133                 if (syserror(tcp)) {
134                         tprintf("%#lx, %#lx, %#lx",
135                                 tcp->u_arg[1], tcp->u_arg[2], tcp->u_arg[3]);
136                         return 0;
137                 }
138                 /* control and data */
139                 for (i = 1; i < 3; i++)
140                         printstrbufarg(tcp, tcp->u_arg[i], 1);
141                 /* pointer to flags */
142                 if (tcp->u_arg[3] == 0)
143                         tprintf("NULL");
144                 else if (umove(tcp, tcp->u_arg[3], &flags) < 0)
145                         tprintf("[?]");
146                 else {
147                         tprintf("[");
148                         if (!printflags(msgflags, flags))
149                                 tprintf("0");
150                         tprintf("]");
151                 }
152                 /* decode return value */
153                 switch (tcp->u_rval) {
154                 case MORECTL:
155                         tcp->auxstr = "MORECTL";
156                         break;
157                 case MORECTL|MOREDATA:
158                         tcp->auxstr = "MORECTL|MOREDATA";
159                         break;
160                 case MOREDATA:
161                         tcp->auxstr = "MORECTL";
162                         break;
163                 default:
164                         tcp->auxstr = NULL;
165                         break;
166                 }
167         }
168         return RVAL_HEX | RVAL_STR;
169 }
170
171 #ifdef HAVE_PUTPMSG
172
173 static struct xlat pmsgflags[] = {
174         { MSG_HIPRI,    "MSG_HIPRI"     },
175         { MSG_ANY,      "MSG_ANY"       },
176         { MSG_BAND,     "MSG_BAND"      },
177         { 0,            NULL            },
178 };
179
180 int
181 sys_putpmsg(tcp)
182 struct tcb *tcp;
183 {
184         int i;
185
186         if (entering(tcp)) {
187                 /* fd */
188                 tprintf("%ld, ", tcp->u_arg[0]);
189                 /* control and data */
190                 for (i = 1; i < 3; i++)
191                         printstrbufarg(tcp, tcp->u_arg[i], 0);
192                 /* band */
193                 tprintf("%ld, ", tcp->u_arg[3]);
194                 /* flags */
195                 if (!printflags(pmsgflags, tcp->u_arg[4]))
196                         tprintf("0");
197         }
198         return 0;
199 }
200
201 int
202 sys_getpmsg(tcp)
203 struct tcb *tcp;
204 {
205         int i, flags;
206
207         if (entering(tcp)) {
208                 /* fd */
209                 tprintf("%lu, ", tcp->u_arg[0]);
210         } else {
211                 if (syserror(tcp)) {
212                         tprintf("%#lx, %#lx, %#lx, %#lx", tcp->u_arg[1],
213                                 tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[4]);
214                         return 0;
215                 }
216                 /* control and data */
217                 for (i = 1; i < 3; i++)
218                         printstrbufarg(tcp, tcp->u_arg[i], 1);
219                 /* pointer to band */
220                 printnum(tcp, tcp->u_arg[3], "%d");
221                 tprintf(", ");
222                 /* pointer to flags */
223                 if (tcp->u_arg[4] == 0)
224                         tprintf("NULL");
225                 else if (umove(tcp, tcp->u_arg[4], &flags) < 0)
226                         tprintf("[?]");
227                 else {
228                         tprintf("[");
229                         if (!printflags(pmsgflags, flags))
230                                 tprintf("0");
231                         tprintf("]");
232                 }
233                 /* decode return value */
234                 switch (tcp->u_rval) {
235                 case MORECTL:
236                         tcp->auxstr = "MORECTL";
237                         break;
238                 case MORECTL|MOREDATA:
239                         tcp->auxstr = "MORECTL|MOREDATA";
240                         break;
241                 case MOREDATA:
242                         tcp->auxstr = "MORECTL";
243                         break;
244                 default:
245                         tcp->auxstr = NULL;
246                         break;
247                 }
248         }
249         return RVAL_HEX | RVAL_STR;
250 }
251
252 #endif /* HAVE_PUTPMSG */
253
254
255 static struct xlat pollflags[] = {
256         { POLLIN,       "POLLIN"        },
257         { POLLPRI,      "POLLPRI"       },
258         { POLLOUT,      "POLLOUT"       },
259 #ifdef POLLRDNORM
260         { POLLRDNORM,   "POLLRDNORM"    },
261 #endif
262 #ifdef POLLWRNORM
263         { POLLWRNORM,   "POLLWRNORM"    },
264 #endif
265 #ifdef POLLRDBAND
266         { POLLRDBAND,   "POLLRDBAND"    },
267 #endif
268 #ifdef POLLWRBAND
269         { POLLWRBAND,   "POLLWRBAND"    },
270 #endif
271         { POLLERR,      "POLLERR"       },
272         { POLLHUP,      "POLLHUP"       },
273         { POLLNVAL,     "POLLNVAL"      },
274         { 0,            NULL            },
275 };
276
277 int
278 sys_poll(tcp)
279 struct tcb *tcp;
280 {
281         struct pollfd *pollp;
282
283         if (exiting(tcp)) {
284                 int i;
285                 int nfds = tcp->u_arg[1];
286
287                 if (nfds <= 0) {
288                         tprintf("%#lx, %d, %ld\n",
289                                 tcp->u_arg[0], nfds, tcp->u_arg[2]);
290                         return 0;
291                 }
292                 pollp = (struct pollfd *) malloc(nfds * sizeof(*pollp));
293                 if (pollp == NULL) {
294                         fprintf(stderr, "sys_poll: no memory\n");
295                         tprintf("%#lx, %d, %ld",
296                                 tcp->u_arg[0], nfds, tcp->u_arg[2]);
297                         return 0;
298                 }
299                 if (umoven(tcp, tcp->u_arg[0],
300                            (nfds * sizeof(*pollp)), (char *) pollp) < 0) {
301                         tprintf("%#lx", tcp->u_arg[0]);
302                 }
303                 else {
304                         tprintf("[");
305                         for (i = 0; i < nfds; i++) {
306                                 if (i)
307                                         tprintf(", ");
308                                 if (pollp[i].fd < 0) {
309                                         tprintf("{fd=%d}", pollp[i].fd);
310                                         continue;
311                                 }
312                                 tprintf("{fd=%d, events=", pollp[i].fd);
313                                 if (!printflags(pollflags, pollp[i].events))
314                                         tprintf("0");
315                                 if (!syserror(tcp) && pollp[i].revents) {
316                                         tprintf(", revents=");
317                                         if (!printflags(pollflags,
318                                                         pollp[i].revents))
319                                                 tprintf("0");
320                                 }
321                                 tprintf("}");
322                         }
323                         tprintf("]");
324                 }
325                 tprintf(", %d, ", nfds);
326 #ifdef INFTIM
327                 if (tcp->u_arg[2] == INFTIM)
328                         tprintf("INFTIM");
329                 else
330 #endif
331                         tprintf("%ld", tcp->u_arg[2]);
332                 free(pollp);
333         }
334         return 0;
335 }
336
337 #ifndef linux
338
339 static struct xlat stream_flush_options[] = {
340         { FLUSHR,       "FLUSHR"        },
341         { FLUSHW,       "FLUSHW"        },
342         { FLUSHRW,      "FLUSHRW"       },
343 #ifdef FLUSHBAND
344         { FLUSHBAND,    "FLUSHBAND"     },
345 #endif
346         { 0,            NULL            },
347 };
348
349 static struct xlat stream_setsig_flags[] = {
350         { S_INPUT,      "S_INPUT"       },
351         { S_HIPRI,      "S_HIPRI"       },
352         { S_OUTPUT,     "S_OUTPUT"      },
353         { S_MSG,        "S_MSG"         },
354 #ifdef S_ERROR
355         { S_ERROR,      "S_ERROR"       },
356 #endif
357 #ifdef S_HANGUP
358         { S_HANGUP,     "S_HANGUP"      },
359 #endif
360 #ifdef S_RDNORM
361         { S_RDNORM,     "S_RDNORM"      },
362 #endif
363 #ifdef S_WRNORM
364         { S_WRNORM,     "S_WRNORM"      },
365 #endif
366 #ifdef S_RDBAND
367         { S_RDBAND,     "S_RDBAND"      },
368 #endif
369 #ifdef S_WRBAND
370         { S_WRBAND,     "S_WRBAND"      },
371 #endif
372 #ifdef S_BANDURG
373         { S_BANDURG,    "S_BANDURG"     },
374 #endif
375         { 0,            NULL            },
376 };
377
378 static struct xlat stream_read_options[] = {
379         { RNORM,        "RNORM"         },
380         { RMSGD,        "RMSGD"         },
381         { RMSGN,        "RMSGN"         },
382         { 0,            NULL            },
383 };
384
385 static struct xlat stream_read_flags[] = {
386 #ifdef RPROTDAT
387         { RPROTDAT,     "RPROTDAT"      },
388 #endif
389 #ifdef RPROTDIS
390         { RPROTDIS,     "RPROTDIS"      },
391 #endif
392 #ifdef RPROTNORM
393         { RPROTNORM,    "RPROTNORM"     },
394 #endif
395         { 0,            NULL            },
396 };
397
398 #ifndef RMODEMASK
399 #define RMODEMASK (~0)
400 #endif
401
402 #ifdef I_SWROPT
403 static struct xlat stream_write_flags[] = {
404         { SNDZERO,      "SNDZERO"       },
405         { SNDPIPE,      "SNDPIPE"       },
406         { 0,            NULL            },
407 };
408 #endif /* I_SWROPT */
409
410 #ifdef I_ATMARK
411 static struct xlat stream_atmark_options[] = {
412         { ANYMARK,      "ANYMARK"       },
413         { LASTMARK,     "LASTMARK"      },
414         { 0,            NULL            },
415 };
416 #endif /* I_ATMARK */
417
418 #ifdef TI_BIND
419 static struct xlat transport_user_options[] = {
420         { T_CONN_REQ,   "T_CONN_REQ"    },
421         { T_CONN_RES,   "T_CONN_RES"    },
422         { T_DISCON_REQ, "T_DISCON_REQ"  },
423         { T_DATA_REQ,   "T_DATA_REQ"    },
424         { T_EXDATA_REQ, "T_EXDATA_REQ"  },
425         { T_INFO_REQ,   "T_INFO_REQ"    },
426         { T_BIND_REQ,   "T_BIND_REQ"    },
427         { T_UNBIND_REQ, "T_UNBIND_REQ"  },
428         { T_UNITDATA_REQ,"T_UNITDATA_REQ"},
429         { T_OPTMGMT_REQ,"T_OPTMGMT_REQ" },
430         { T_ORDREL_REQ, "T_ORDREL_REQ"  },
431         { 0,            NULL            },
432 };
433
434 static struct xlat transport_provider_options[] = {
435         { T_CONN_IND,   "T_CONN_IND"    },
436         { T_CONN_CON,   "T_CONN_CON"    },
437         { T_DISCON_IND, "T_DISCON_IND"  },
438         { T_DATA_IND,   "T_DATA_IND"    },
439         { T_EXDATA_IND, "T_EXDATA_IND"  },
440         { T_INFO_ACK,   "T_INFO_ACK"    },
441         { T_BIND_ACK,   "T_BIND_ACK"    },
442         { T_ERROR_ACK,  "T_ERROR_ACK"   },
443         { T_OK_ACK,     "T_OK_ACK"      },
444         { T_UNITDATA_IND,"T_UNITDATA_IND"},
445         { T_UDERROR_IND,"T_UDERROR_IND" },
446         { T_OPTMGMT_ACK,"T_OPTMGMT_ACK" },
447         { T_ORDREL_IND, "T_ORDREL_IND"  },
448         { 0,            NULL            },
449 };
450 #endif /* TI_BIND */
451
452 static int
453 internal_stream_ioctl(tcp, arg)
454 struct tcb *tcp;
455 int arg;
456 {
457         struct strioctl si;
458         char *name;
459         int in_and_out;
460 #ifdef SI_GETUDATA
461         struct si_udata udata;
462 #endif /* SI_GETUDATA */
463
464         if (!arg)
465                 return 0;
466         if (umove(tcp, arg, &si) < 0) {
467                 if (entering(tcp))
468                         tprintf(", {...}");
469                 return 1;
470         }
471         if (entering(tcp)) {
472                 name = ioctl_lookup(si.ic_cmd);
473                 if (name)
474                         tprintf(", {ic_cmd=%s", name);
475                 else
476                         tprintf(", {ic_cmd=%#x", si.ic_cmd);
477                 if (si.ic_timout == INFTIM)
478                         tprintf(", ic_timout=INFTIM, ");
479                 else
480                         tprintf(" ic_timout=%d, ", si.ic_timout);
481         }
482         in_and_out = 1;
483         switch (si.ic_cmd) {
484 #ifdef SI_GETUDATA
485         case SI_GETUDATA:
486                 in_and_out = 0;
487                 break;
488 #endif /* SI_GETUDATA */
489         }
490         if (in_and_out) {
491                 if (entering(tcp))
492                         tprintf("/* in */ ");
493                 else
494                         tprintf(", /* out */ ");
495         }
496         if (in_and_out || entering(tcp))
497                 tprintf("ic_len=%d, ic_dp=", si.ic_len);
498         switch (si.ic_cmd) {
499 #ifdef TI_BIND
500         case TI_BIND:
501                 /* in T_BIND_REQ, out T_BIND_ACK */
502                 if (entering(tcp)) {
503                         struct T_bind_req data;
504
505 #if 0
506                         tprintf("struct T_bind_req ");
507 #endif
508                         if (umove(tcp, (int) si.ic_dp, &data) < 0)
509                                 tprintf("{...}");
510                         else {
511                                 tprintf("{PRIM_type=");
512                                 printxval(transport_user_options,
513                                           data.PRIM_type, "T_???");
514                                 tprintf(", ADDR_length=%ld, ADDR_offset=%ld",
515                                         data.ADDR_length, data.ADDR_offset);
516                                 tprintf(", CONIND_number=%ld}",
517                                         data.CONIND_number);
518                         }
519                 }
520                 else {
521                         struct T_bind_ack data;
522
523 #if 0
524                         tprintf("struct T_bind_ack ");
525 #endif
526                         if (umove(tcp, (int) si.ic_dp, &data) < 0)
527                                 tprintf("{...}");
528                         else {
529                                 tprintf("[");
530                                 tprintf("{PRIM_type=");
531                                 printxval(transport_provider_options,
532                                           data.PRIM_type, "T_???");
533                                 tprintf(", ADDR_length=%ld, ADDR_offset=%ld",
534                                         data.ADDR_length, data.ADDR_offset);
535                                 tprintf(", CONIND_number=%ld}",
536                                         data.CONIND_number);
537                                 tprintf(", ");
538                                 printstr(tcp,
539                                          (int) si.ic_dp + data.ADDR_offset,
540                                          data.ADDR_length);
541                                 tprintf("]");
542                         }
543                 }
544                 break;
545 #endif /* TI_BIND */
546 #if 0
547 #ifdef TI_UNBIND
548         case TI_UNBIND:
549                 /* in T_UNBIND_REQ, out T_OK_ACK */
550                 break;
551 #endif /* TI_UNBIND */
552 #ifdef TI_GETINFO
553         case TI_GETINFO:
554                 /* in T_INFO_REQ, out T_INFO_ACK */
555                 break;
556 #endif /* TI_GETINFO */
557 #ifdef TI_OPTMGMT
558         case TI_OPTMGMT:
559                 /* in T_OPTMGMT_REQ, out T_OPTMGMT_ACK */
560                 break;
561 #endif /* TI_OPTMGMT */
562 #endif
563 #ifdef SI_GETUDATA
564         case SI_GETUDATA:
565                 if (entering(tcp))
566                         break;
567 #if 0
568                 tprintf("struct si_udata ");
569 #endif
570                 if (umove(tcp, (int) si.ic_dp, &udata) < 0)
571                         tprintf("{...}");
572                 else {
573                         tprintf("{tidusize=%d, addrsize=%d, ",
574                                 udata.tidusize, udata.addrsize);
575                         tprintf("optsize=%d, etsdusize=%d, ",
576                                 udata.optsize, udata.etsdusize);
577                         tprintf("servtype=%d, so_state=%d, ",
578                                 udata.servtype, udata.so_state);
579                         tprintf("so_options=%d", udata.so_options);
580 #if 0
581                         tprintf(", tsdusize=%d", udata.tsdusize);
582 #endif
583                         tprintf("}");
584                 }
585                 break;
586 #endif /* SI_GETUDATA */
587         default:
588                 printstr(tcp, (int) si.ic_dp, si.ic_len);
589                 break;
590         }
591         if (exiting(tcp))
592                 tprintf("}");
593         return 1;
594 }
595
596 int
597 stream_ioctl(tcp, code, arg)
598 struct tcb *tcp;
599 int code, arg;
600 {
601 #ifdef I_LIST
602         int i;
603 #endif
604         int val;
605 #ifdef I_FLUSHBAND
606         struct bandinfo bi;
607 #endif
608         struct strpeek sp;
609         struct strfdinsert sfi;
610         struct strrecvfd srf;
611 #ifdef I_LIST
612         struct str_list sl;
613 #endif
614
615         /* I_STR is a special case because the data is read & written. */
616         if (code == I_STR)
617                 return internal_stream_ioctl(tcp, arg);
618         if (entering(tcp))
619                 return 0;
620
621         switch (code) {
622         case I_PUSH:
623         case I_LOOK:
624         case I_FIND:
625                 /* arg is a string */
626                 tprintf(", ");
627                 printpath(tcp, arg);
628                 return 1;
629         case I_POP:
630                 /* doesn't take an argument */
631                 return 1;
632         case I_FLUSH:
633                 /* argument is an option */
634                 tprintf(", ");
635                 printxval(stream_flush_options, arg, "FLUSH???");
636                 return 1;
637 #ifdef I_FLUSHBAND
638         case I_FLUSHBAND:
639                 /* argument is a pointer to a bandinfo struct */
640                 if (umove(tcp, arg, &bi) < 0)
641                         tprintf(", {...}");
642                 else {
643                         tprintf(", {bi_pri=%d, bi_flag=", bi.bi_pri);
644                         if (!printflags(stream_flush_options, bi.bi_flag))
645                                 tprintf("0");
646                         tprintf("}");
647                 }
648                 return 1;
649 #endif /* I_FLUSHBAND */
650         case I_SETSIG:
651                 /* argument is a set of flags */
652                 tprintf(", ");
653                 if (!printflags(stream_setsig_flags, arg))
654                         tprintf("0");
655                 return 1;
656         case I_GETSIG:
657                 /* argument is a pointer to a set of flags */
658                 if (syserror(tcp))
659                         return 0;
660                 tprintf(", [");
661                 if (umove(tcp, arg, &val) < 0)
662                         tprintf("?");
663                 else if (!printflags(stream_setsig_flags, val))
664                         tprintf("0");
665                 tprintf("]");
666                 return 1;
667         case I_PEEK:
668                 /* argument is a pointer to a strpeek structure */
669                 if (syserror(tcp) || !arg)
670                         return 0;
671                 if (umove(tcp, arg, &sp) < 0) {
672                         tprintf(", {...}");
673                         return 1;
674                 }
675                 tprintf(", {ctlbuf=");
676                 printstrbuf(tcp, &sp.ctlbuf, 1);
677                 tprintf(", databuf=");
678                 printstrbuf(tcp, &sp.databuf, 1);
679                 if (!printflags(msgflags, sp.flags))
680                         tprintf("0");
681                 return 1;
682         case I_SRDOPT:
683                 /* argument is an option with flags */
684                 tprintf(", ");
685                 printxval(stream_read_options, arg & RMODEMASK, "R???");
686                 addflags(stream_read_flags, arg & ~RMODEMASK);
687                 return 1;
688         case I_GRDOPT:
689                 /* argument is an pointer to an option with flags */
690                 if (syserror(tcp))
691                         return 0;
692                 tprintf(", [");
693                 if (umove(tcp, arg, &val) < 0)
694                         tprintf("?");
695                 else {
696                         printxval(stream_read_options,
697                                   arg & RMODEMASK, "R???");
698                         addflags(stream_read_flags, arg & ~RMODEMASK);
699                 }
700                 tprintf("]");
701                 return 1;
702         case I_NREAD:
703 #ifdef I_GETBAND
704         case I_GETBAND:
705 #endif
706 #ifdef I_SETCLTIME
707         case I_SETCLTIME:
708 #endif
709 #ifdef I_GETCLTIME
710         case I_GETCLTIME:
711 #endif
712                 /* argument is a pointer to a decimal integer */
713                 if (syserror(tcp))
714                         return 0;
715                 tprintf(", ");
716                 printnum(tcp, arg, "%d");
717                 return 1;
718         case I_FDINSERT:
719                 /* argument is a pointer to a strfdinsert structure */
720                 if (syserror(tcp) || !arg)
721                         return 0;
722                 if (umove(tcp, arg, &sfi) < 0) {
723                         tprintf(", {...}");
724                         return 1;
725                 }
726                 tprintf(", {ctlbuf=");
727                 printstrbuf(tcp, &sfi.ctlbuf, 1);
728                 tprintf(", databuf=");
729                 printstrbuf(tcp, &sfi.databuf, 1);
730                 if (!printflags(msgflags, sfi.flags))
731                         tprintf("0");
732                 tprintf(", filedes=%d, offset=%d}", sfi.fildes, sfi.offset);
733                 return 1;
734 #ifdef I_SWROPT
735         case I_SWROPT:
736                 /* argument is a set of flags */
737                 tprintf(", ");
738                 if (!printflags(stream_write_flags, arg))
739                         tprintf("0");
740                 return 1;
741 #endif /* I_SWROPT */
742 #ifdef I_GWROPT
743         case I_GWROPT:
744                 /* argument is an pointer to an option with flags */
745                 if (syserror(tcp))
746                         return 0;
747                 tprintf(", [");
748                 if (umove(tcp, arg, &val) < 0)
749                         tprintf("?");
750                 else if (!printflags(stream_write_flags, arg))
751                         tprintf("0");
752                 tprintf("]");
753                 return 1;
754 #endif /* I_GWROPT */
755         case I_SENDFD:
756 #ifdef I_CKBAND
757         case I_CKBAND:
758 #endif
759 #ifdef I_CANPUT
760         case I_CANPUT:
761 #endif
762         case I_LINK:
763         case I_UNLINK:
764         case I_PLINK:
765         case I_PUNLINK:
766                 /* argument is a decimal integer */
767                 tprintf(", %d", arg);
768                 return 1;
769         case I_RECVFD:
770                 /* argument is a pointer to a strrecvfd structure */
771                 if (syserror(tcp) || !arg)
772                         return 0;
773                 if (umove(tcp, arg, &srf) < 0) {
774                         tprintf(", {...}");
775                         return 1;
776                 }
777                 tprintf(", {fd=%d, uid=%lu, gid=%lu}", srf.fd,
778                         (unsigned long) srf.uid, (unsigned long) srf.gid);
779                 return 1;
780 #ifdef I_LIST
781         case I_LIST:
782                 if (syserror(tcp))
783                         return 0;
784                 if (arg == 0) {
785                         tprintf(", NULL");
786                         return 1;
787                 }
788                 if (umove(tcp, arg, &sl) < 0) {
789                         tprintf(", {...}");
790                         return 1;
791                 }
792                 tprintf(", {sl_nmods=%d, sl_modlist=[", sl.sl_nmods);
793                 for (i = 0; i < tcp->u_rval; i++) {
794                         if (i)
795                                 tprintf(", ");
796                         printpath(tcp, (int) sl.sl_modlist[i].l_name);
797                 }
798                 tprintf("]}");
799                 return 1;
800 #endif /* I_LIST */
801 #ifdef I_ATMARK
802         case I_ATMARK:
803                 tprintf(", ");
804                 printxval(stream_atmark_options, arg, "???MARK");
805                 return 1;
806 #endif /* I_ATMARK */
807         default:
808                 return 0;
809         }
810 }
811
812 #endif /* linux */
813
814 #endif /* LINUXSPARC && linux */
815