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1 /* RISCOS module implementation */
2 
3 #include "oslib/osfscontrol.h"
4 #include "oslib/osgbpb.h"
5 #include "oslib/os.h"
6 #include "oslib/osfile.h"
7 #include "unixstuff.h"
8 
9 #include <sys/fcntl.h>
10 
11 #include "Python.h"
12 #include "structseq.h"
13 
14 #include <errno.h>
15 
16 static os_error *e;
17 
18 /*static PyObject *RiscosError;*/ /* Exception riscos.error */
19 
riscos_error(char * s)20 static PyObject *riscos_error(char *s)
21 {
22     PyErr_SetString(PyExc_OSError, s);
23     return NULL;
24 }
25 
riscos_oserror(void)26 static PyObject *riscos_oserror(void)
27 {
28     return riscos_error(e->errmess);
29 }
30 
31 
32 /* RISCOS file commands */
33 
34 static PyObject *
riscos_remove(PyObject * self,PyObject * args)35 riscos_remove(PyObject *self, PyObject *args)
36 {
37     char *path1;
38     if (!PyArg_ParseTuple(args, "s:remove", &path1)) return NULL;
39     if (remove(path1)) return PyErr_SetFromErrno(PyExc_OSError);
40     Py_INCREF(Py_None);
41     return Py_None;
42 }
43 
44 static PyObject *
riscos_rename(PyObject * self,PyObject * args)45 riscos_rename(PyObject *self, PyObject *args)
46 {
47     char *path1, *path2;
48     if (!PyArg_ParseTuple(args, "ss:rename", &path1, &path2))
49         return NULL;
50     if (rename(path1,path2)) return PyErr_SetFromErrno(PyExc_OSError);
51     Py_INCREF(Py_None);
52     return Py_None;
53 }
54 
55 static PyObject *
riscos_system(PyObject * self,PyObject * args)56 riscos_system(PyObject *self, PyObject *args)
57 {
58     char *command;
59     if (!PyArg_ParseTuple(args, "s:system", &command)) return NULL;
60     return PyInt_FromLong(system(command));
61 }
62 
63 static PyObject *
riscos_chdir(PyObject * self,PyObject * args)64 riscos_chdir(PyObject *self, PyObject *args)
65 {
66     char *path;
67     if (!PyArg_ParseTuple(args, "s:chdir", &path)) return NULL;
68     e=xosfscontrol_dir(path);
69     if(e) return riscos_oserror();
70     Py_INCREF(Py_None);
71     return Py_None;
72 }
73 
74 static PyObject *
canon(char * path)75 canon(char *path)
76 {
77   int len;
78   PyObject *obj;
79   char *buf;
80   e=xosfscontrol_canonicalise_path(path,0,0,0,0,&len);
81   if(e) return riscos_oserror();
82   obj=PyString_FromStringAndSize(NULL,-len);
83   if(obj==NULL) return NULL;
84   buf=PyString_AsString(obj);
85   e=xosfscontrol_canonicalise_path(path,buf,0,0,1-len,&len);
86   if(len!=1) return riscos_error("Error expanding path");
87   if(!e) return obj;
88   Py_DECREF(obj);
89   return riscos_oserror();
90 }
91 
92 static PyObject *
riscos_getcwd(PyObject * self,PyObject * unused)93 riscos_getcwd(PyObject *self, PyObject *unused)
94 {
95     return canon("@");
96 }
97 
98 static PyObject *
riscos_expand(PyObject * self,PyObject * args)99 riscos_expand(PyObject *self, PyObject *args)
100 {
101     char *path;
102     if (!PyArg_ParseTuple(args, "s:expand", &path)) return NULL;
103     return canon(path);
104 }
105 
106 static PyObject *
riscos_mkdir(PyObject * self,PyObject * args)107 riscos_mkdir(PyObject *self, PyObject *args)
108 {
109     char *path;
110     int mode;
111     if (!PyArg_ParseTuple(args, "s|i:mkdir", &path, &mode)) return NULL;
112     e=xosfile_create_dir(path,0);
113     if(e) return riscos_oserror();
114     Py_INCREF(Py_None);
115     return Py_None;
116 }
117 
118 static PyObject *
riscos_listdir(PyObject * self,PyObject * args)119 riscos_listdir(PyObject *self, PyObject *args)
120 {
121     char *path,buf[256];
122     PyObject *d, *v;
123     int c=0,count;
124     if (!PyArg_ParseTuple(args, "s:listdir", &path)) return NULL;
125     d=PyList_New(0);
126     if(!d) return NULL;
127     for(;;)
128     { e=xosgbpb_dir_entries(path,(osgbpb_string_list*)buf,
129                                  1,c,256,0,&count,&c);
130       if(e)
131       { Py_DECREF(d);return riscos_oserror();
132       }
133       if(count)
134       { v=PyString_FromString(buf);
135         if(!v) { Py_DECREF(d);return 0;}
136         if(PyList_Append(d,v)) {Py_DECREF(d);Py_DECREF(v);return 0;}
137       }
138       if(c==-1) break;
139     }
140     return d;
141 }
142 
143 PyDoc_STRVAR(stat_result__doc__,
144 "stat_result: Result from stat or lstat.\n\n\
145 This object may be accessed either as a tuple of\n\
146   (mode,ino,dev,nlink,uid,gid,size,atime,mtime,ctime)\n\
147 or via the attributes st_mode, st_ino, st_dev, st_nlink, st_uid, and so on.\n\
148 \n\
149 RiscOS: The fields st_ftype, st_attrs, and st_obtype are also available.\n\
150 \n\
151 See os.stat for more information.");
152 
153 static PyStructSequence_Field stat_result_fields[] = {
154     { "st_mode",  "protection bits" },
155     { "st_ino",   "inode" },
156     { "st_dev",   "device" },
157     { "st_nlink", "number of hard links" },
158     { "st_uid",   "user ID of owner" },
159     { "st_gid",   "group ID of owner" },
160     { "st_size",  "total size, in bytes" },
161     { "st_atime", "time of last access" },
162     { "st_mtime", "time of last modification" },
163     { "st_ctime", "time of last change" },
164     { "st_ftype", "file type" },
165     { "st_attrs", "attributes" },
166     { "st_obtype", "object type" },
167     { 0 }
168 };
169 
170 static PyStructSequence_Desc stat_result_desc = {
171     "riscos.stat_result",
172     stat_result__doc__,
173     stat_result_fields,
174     13
175 };
176 
177 static PyTypeObject StatResultType;
178 
179 static PyObject *
riscos_stat(PyObject * self,PyObject * args)180 riscos_stat(PyObject *self, PyObject *args)
181 {
182     PyObject *v;
183     char *path;
184     int ob,len;
185     bits t=0;
186     bits ld,ex,at,ft,mode;
187     if (!PyArg_ParseTuple(args, "s:stat", &path)) return NULL;
188     e=xosfile_read_stamped_no_path(path,&ob,&ld,&ex,&len,&at,&ft);
189     if(e) return riscos_oserror();
190     switch (ob)
191     { case osfile_IS_FILE:mode=0100000;break;  /* OCTAL */
192       case osfile_IS_DIR:mode=040000;break;
193       case osfile_IS_IMAGE:mode=0140000;break;
194       default:return riscos_error("Not found");
195     }
196     if(ft!=-1) t=unixtime(ld,ex);
197     mode|=(at&7)<<6;
198     mode|=((at&112)*9)>>4;
199 
200     v = PyStructSequence_New(&StatResultType);
201 
202     PyStructSequence_SET_ITEM(v, 0,
203                               PyInt_FromLong((long) mode)); /*st_mode*/
204     PyStructSequence_SET_ITEM(v, 1, PyInt_FromLong((long) 0)); /*st_ino*/
205     PyStructSequence_SET_ITEM(v, 2, PyInt_FromLong((long) 0)); /*st_dev*/
206     PyStructSequence_SET_ITEM(v, 3, PyInt_FromLong((long) 0)); /*st_nlink*/
207     PyStructSequence_SET_ITEM(v, 4, PyInt_FromLong((long) 0)); /*st_uid*/
208     PyStructSequence_SET_ITEM(v, 5, PyInt_FromLong((long) 0)); /*st_gid*/
209     PyStructSequence_SET_ITEM(v, 6,
210                               PyInt_FromLong((long) len)); /*st_size*/
211     PyStructSequence_SET_ITEM(v, 7, PyInt_FromLong((long) t)); /*st_atime*/
212     PyStructSequence_SET_ITEM(v, 8, PyInt_FromLong((long) t)); /*st_mtime*/
213     PyStructSequence_SET_ITEM(v, 9, PyInt_FromLong((long) t)); /*st_ctime*/
214     PyStructSequence_SET_ITEM(v, 10,
215                               PyInt_FromLong((long) ft)); /*file type*/
216     PyStructSequence_SET_ITEM(v, 11,
217                               PyInt_FromLong((long) at)); /*attributes*/
218     PyStructSequence_SET_ITEM(v, 12,
219                               PyInt_FromLong((long) ob)); /*object type*/
220 
221     if (PyErr_Occurred()) {
222         Py_DECREF(v);
223         return NULL;
224     }
225 
226     return v;
227 }
228 
229 static PyObject *
riscos_chmod(PyObject * self,PyObject * args)230 riscos_chmod(PyObject *self,PyObject *args)
231 {
232     char *path;
233     bits mode;
234     bits attr;
235     attr=(mode&0x700)>>8;
236     attr|=(mode&7)<<4;
237     if (!PyArg_ParseTuple(args, "si:chmod", &path,(int*)&mode)) return NULL;
238     e=xosfile_write_attr(path,attr);
239     if(e) return riscos_oserror();
240     Py_INCREF(Py_None);
241     return Py_None;
242 }
243 
244 
245 static PyObject *
riscos_utime(PyObject * self,PyObject * args)246 riscos_utime(PyObject *self, PyObject *args)
247 {
248     char *path;
249     long atime, mtime;
250     PyObject* arg;
251 
252     if (!PyArg_ParseTuple(args, "sO:utime", &path, &arg))
253         return NULL;
254 
255     if (arg == Py_None) {
256         /* optional time values not given */
257         Py_BEGIN_ALLOW_THREADS
258         e=xosfile_stamp(path);
259         Py_END_ALLOW_THREADS
260         if(e) return riscos_oserror();
261     }
262     else if (!PyArg_Parse(arg, "(ll)", &atime, &mtime)) {
263         PyErr_SetString(PyExc_TypeError,
264                         "utime() arg 2 must be a tuple (atime, mtime)");
265         return NULL;
266     }
267     else {
268         /* catalogue info*/
269         fileswitch_object_type obj_type;
270         bits load_addr, exec_addr;
271         int size;
272         fileswitch_attr attr;
273 
274         /* read old catalogue info */
275         Py_BEGIN_ALLOW_THREADS
276         e=xosfile_read_no_path(path, &obj_type, &load_addr, &exec_addr, &size, &attr);
277         Py_END_ALLOW_THREADS
278         if(e) return riscos_oserror();
279 
280         /* check if load and exec address really contain filetype and date */
281         if ( (load_addr & 0xFFF00000U) != 0xFFF00000U)
282             return riscos_error("can't set date for object with load and exec addresses");
283 
284         /* convert argument mtime to RISC OS load and exec address */
285         if(acorntime(&exec_addr, &load_addr, (time_t) mtime))
286             return riscos_oserror();
287 
288         /* write new load and exec address */
289         Py_BEGIN_ALLOW_THREADS
290         e = xosfile_write(path, load_addr, exec_addr, attr);
291         Py_END_ALLOW_THREADS
292         if(e) return riscos_oserror();
293     }
294 
295     Py_INCREF(Py_None);
296     return Py_None;
297 }
298 
299 static PyObject *
riscos_settype(PyObject * self,PyObject * args)300 riscos_settype(PyObject *self, PyObject *args)
301 {
302     char *path,*name;
303     int type;
304     if (!PyArg_ParseTuple(args, "si:settype", &path,&type))
305     {
306       PyErr_Clear();
307       if (!PyArg_ParseTuple(args, "ss:settype", &path,&name)) return NULL;
308       e=xosfscontrol_file_type_from_string(name,(bits*)&type);
309       if(e) return riscos_oserror();
310     }
311     e=xosfile_set_type(path,type);
312     if(e) return riscos_oserror();
313     Py_INCREF(Py_None);
314     return Py_None;
315 }
316 
317 static PyObject *
riscos_getenv(PyObject * self,PyObject * args)318 riscos_getenv(PyObject *self, PyObject *args)
319 {
320   char *name,*value;
321   if(!PyArg_ParseTuple(args,"s:getenv",&name)) return NULL;
322   value=getenv(name);
323   if(value) return PyString_FromString(value);
324   Py_INCREF(Py_None);
325   return Py_None;
326 }
327 
328 static PyObject *
riscos_putenv(PyObject * self,PyObject * args)329 riscos_putenv(PyObject *self, PyObject *args)
330 {
331   char *name,*value;
332   int len;
333   os_var_type type=os_VARTYPE_LITERAL_STRING;
334   if(!PyArg_ParseTuple(args,"ss|i:putenv",&name,&value,&type)) return NULL;
335   if(type!=os_VARTYPE_STRING&&type!=os_VARTYPE_MACRO&&type!=os_VARTYPE_EXPANDED
336                             &&type!=os_VARTYPE_LITERAL_STRING)
337     return riscos_error("Bad putenv type");
338   len=strlen(value);
339   if(type!=os_VARTYPE_LITERAL_STRING) len++;
340                           /* Other types need null terminator! */
341   e=xos_set_var_val(name,(byte*)value,len,0,type,0,0);
342   if(e) return riscos_oserror();
343   Py_INCREF(Py_None);
344   return Py_None;
345 }
346 
347 static PyObject *
riscos_delenv(PyObject * self,PyObject * args)348 riscos_delenv(PyObject *self, PyObject *args)
349 {
350   char *name;
351   if(!PyArg_ParseTuple(args,"s:delenv",&name)) return NULL;
352   e=xos_set_var_val(name,NULL,-1,0,0,0,0);
353   if(e) return riscos_oserror();
354   Py_INCREF(Py_None);
355   return Py_None;
356 }
357 
358 static PyObject *
riscos_getenvdict(PyObject * self,PyObject * args)359 riscos_getenvdict(PyObject *self, PyObject *args)
360 {
361   PyObject *dict;
362   char value[257];
363   char *which="*";
364   int size;
365   char *context=NULL;
366   if(!PyArg_ParseTuple(args,"|s:getenvdict",&which)) return NULL;
367   dict = PyDict_New();
368   if (!dict) return NULL;
369   /* XXX This part ignores errors */
370   while(!xos_read_var_val(which,value,sizeof(value)-1,(int)context,
371      os_VARTYPE_EXPANDED,&size,(int *)&context,0))
372   { PyObject *v;
373     value[size]='\0';
374     v = PyString_FromString(value);
375     if (v == NULL) continue;
376     PyDict_SetItemString(dict, context, v);
377     Py_DECREF(v);
378   }
379   return dict;
380 }
381 
382 static PyMethodDef riscos_methods[] = {
383 
384     {"unlink",          riscos_remove, METH_VARARGS},
385     {"remove",  riscos_remove, METH_VARARGS},
386     {"rename",          riscos_rename, METH_VARARGS},
387     {"system",          riscos_system, METH_VARARGS},
388     {"rmdir",           riscos_remove, METH_VARARGS},
389     {"chdir",           riscos_chdir,  METH_VARARGS},
390     {"getcwd",          riscos_getcwd, METH_NOARGS},
391     {"expand",  riscos_expand, METH_VARARGS},
392     {"mkdir",           riscos_mkdir,  METH_VARARGS},
393     {"listdir",         riscos_listdir, METH_VARARGS},
394     {"stat",            riscos_stat,   METH_VARARGS},
395     {"lstat",           riscos_stat,   METH_VARARGS},
396     {"chmod",   riscos_chmod,  METH_VARARGS},
397     {"utime",           riscos_utime,  METH_VARARGS},
398     {"settype",         riscos_settype, METH_VARARGS},
399     {"getenv",  riscos_getenv, METH_VARARGS},
400     {"putenv",  riscos_putenv, METH_VARARGS},
401     {"delenv",  riscos_delenv, METH_VARARGS},
402     {"getenvdict", riscos_getenvdict, METH_VARARGS},
403     {NULL,              NULL}            /* Sentinel */
404 };
405 
406 static int
ins(PyObject * module,char * symbol,long value)407 ins(PyObject *module, char *symbol, long value)
408 {
409     return PyModule_AddIntConstant(module, symbol, value);
410 }
411 
412 
413 static int
all_ins(PyObject * d)414 all_ins(PyObject *d)
415 {
416 #ifdef F_OK
417     if (ins(d, "F_OK", (long)F_OK)) return -1;
418 #endif
419 #ifdef R_OK
420     if (ins(d, "R_OK", (long)R_OK)) return -1;
421 #endif
422 #ifdef W_OK
423     if (ins(d, "W_OK", (long)W_OK)) return -1;
424 #endif
425 #ifdef X_OK
426     if (ins(d, "X_OK", (long)X_OK)) return -1;
427 #endif
428 #ifdef NGROUPS_MAX
429     if (ins(d, "NGROUPS_MAX", (long)NGROUPS_MAX)) return -1;
430 #endif
431 #ifdef TMP_MAX
432     if (ins(d, "TMP_MAX", (long)TMP_MAX)) return -1;
433 #endif
434 #ifdef WCONTINUED
435     if (ins(d, "WCONTINUED", (long)WCONTINUED)) return -1;
436 #endif
437 #ifdef WNOHANG
438     if (ins(d, "WNOHANG", (long)WNOHANG)) return -1;
439 #endif
440 #ifdef WUNTRACED
441     if (ins(d, "WUNTRACED", (long)WUNTRACED)) return -1;
442 #endif
443 #ifdef O_RDONLY
444     if (ins(d, "O_RDONLY", (long)O_RDONLY)) return -1;
445 #endif
446 #ifdef O_WRONLY
447     if (ins(d, "O_WRONLY", (long)O_WRONLY)) return -1;
448 #endif
449 #ifdef O_RDWR
450     if (ins(d, "O_RDWR", (long)O_RDWR)) return -1;
451 #endif
452 #ifdef O_NDELAY
453     if (ins(d, "O_NDELAY", (long)O_NDELAY)) return -1;
454 #endif
455 #ifdef O_NONBLOCK
456     if (ins(d, "O_NONBLOCK", (long)O_NONBLOCK)) return -1;
457 #endif
458 #ifdef O_APPEND
459     if (ins(d, "O_APPEND", (long)O_APPEND)) return -1;
460 #endif
461 #ifdef O_DSYNC
462     if (ins(d, "O_DSYNC", (long)O_DSYNC)) return -1;
463 #endif
464 #ifdef O_RSYNC
465     if (ins(d, "O_RSYNC", (long)O_RSYNC)) return -1;
466 #endif
467 #ifdef O_SYNC
468     if (ins(d, "O_SYNC", (long)O_SYNC)) return -1;
469 #endif
470 #ifdef O_NOCTTY
471     if (ins(d, "O_NOCTTY", (long)O_NOCTTY)) return -1;
472 #endif
473 #ifdef O_CREAT
474     if (ins(d, "O_CREAT", (long)O_CREAT)) return -1;
475 #endif
476 #ifdef O_EXCL
477     if (ins(d, "O_EXCL", (long)O_EXCL)) return -1;
478 #endif
479 #ifdef O_TRUNC
480     if (ins(d, "O_TRUNC", (long)O_TRUNC)) return -1;
481 #endif
482 #ifdef O_BINARY
483     if (ins(d, "O_BINARY", (long)O_BINARY)) return -1;
484 #endif
485 #ifdef O_TEXT
486     if (ins(d, "O_TEXT", (long)O_TEXT)) return -1;
487 #endif
488 #ifdef O_LARGEFILE
489     if (ins(d, "O_LARGEFILE", (long)O_LARGEFILE)) return -1;
490 #endif
491 
492 /* MS Windows */
493 #ifdef O_NOINHERIT
494     /* Don't inherit in child processes. */
495     if (ins(d, "O_NOINHERIT", (long)O_NOINHERIT)) return -1;
496 #endif
497 #ifdef _O_SHORT_LIVED
498     /* Optimize for short life (keep in memory). */
499     /* MS forgot to define this one with a non-underscore form too. */
500     if (ins(d, "O_SHORT_LIVED", (long)_O_SHORT_LIVED)) return -1;
501 #endif
502 #ifdef O_TEMPORARY
503     /* Automatically delete when last handle is closed. */
504     if (ins(d, "O_TEMPORARY", (long)O_TEMPORARY)) return -1;
505 #endif
506 #ifdef O_RANDOM
507     /* Optimize for random access. */
508     if (ins(d, "O_RANDOM", (long)O_RANDOM)) return -1;
509 #endif
510 #ifdef O_SEQUENTIAL
511     /* Optimize for sequential access. */
512     if (ins(d, "O_SEQUENTIAL", (long)O_SEQUENTIAL)) return -1;
513 #endif
514 
515 /* GNU extensions. */
516 #ifdef O_DIRECT
517     /* Direct disk access. */
518     if (ins(d, "O_DIRECT", (long)O_DIRECT)) return -1;
519 #endif
520 #ifdef O_DIRECTORY
521     /* Must be a directory.      */
522     if (ins(d, "O_DIRECTORY", (long)O_DIRECTORY)) return -1;
523 #endif
524 #ifdef O_NOFOLLOW
525     /* Do not follow links.      */
526     if (ins(d, "O_NOFOLLOW", (long)O_NOFOLLOW)) return -1;
527 #endif
528 
529     /* These come from sysexits.h */
530 #ifdef EX_OK
531     if (ins(d, "EX_OK", (long)EX_OK)) return -1;
532 #endif /* EX_OK */
533 #ifdef EX_USAGE
534     if (ins(d, "EX_USAGE", (long)EX_USAGE)) return -1;
535 #endif /* EX_USAGE */
536 #ifdef EX_DATAERR
537     if (ins(d, "EX_DATAERR", (long)EX_DATAERR)) return -1;
538 #endif /* EX_DATAERR */
539 #ifdef EX_NOINPUT
540     if (ins(d, "EX_NOINPUT", (long)EX_NOINPUT)) return -1;
541 #endif /* EX_NOINPUT */
542 #ifdef EX_NOUSER
543     if (ins(d, "EX_NOUSER", (long)EX_NOUSER)) return -1;
544 #endif /* EX_NOUSER */
545 #ifdef EX_NOHOST
546     if (ins(d, "EX_NOHOST", (long)EX_NOHOST)) return -1;
547 #endif /* EX_NOHOST */
548 #ifdef EX_UNAVAILABLE
549     if (ins(d, "EX_UNAVAILABLE", (long)EX_UNAVAILABLE)) return -1;
550 #endif /* EX_UNAVAILABLE */
551 #ifdef EX_SOFTWARE
552     if (ins(d, "EX_SOFTWARE", (long)EX_SOFTWARE)) return -1;
553 #endif /* EX_SOFTWARE */
554 #ifdef EX_OSERR
555     if (ins(d, "EX_OSERR", (long)EX_OSERR)) return -1;
556 #endif /* EX_OSERR */
557 #ifdef EX_OSFILE
558     if (ins(d, "EX_OSFILE", (long)EX_OSFILE)) return -1;
559 #endif /* EX_OSFILE */
560 #ifdef EX_CANTCREAT
561     if (ins(d, "EX_CANTCREAT", (long)EX_CANTCREAT)) return -1;
562 #endif /* EX_CANTCREAT */
563 #ifdef EX_IOERR
564     if (ins(d, "EX_IOERR", (long)EX_IOERR)) return -1;
565 #endif /* EX_IOERR */
566 #ifdef EX_TEMPFAIL
567     if (ins(d, "EX_TEMPFAIL", (long)EX_TEMPFAIL)) return -1;
568 #endif /* EX_TEMPFAIL */
569 #ifdef EX_PROTOCOL
570     if (ins(d, "EX_PROTOCOL", (long)EX_PROTOCOL)) return -1;
571 #endif /* EX_PROTOCOL */
572 #ifdef EX_NOPERM
573     if (ins(d, "EX_NOPERM", (long)EX_NOPERM)) return -1;
574 #endif /* EX_NOPERM */
575 #ifdef EX_CONFIG
576     if (ins(d, "EX_CONFIG", (long)EX_CONFIG)) return -1;
577 #endif /* EX_CONFIG */
578 #ifdef EX_NOTFOUND
579     if (ins(d, "EX_NOTFOUND", (long)EX_NOTFOUND)) return -1;
580 #endif /* EX_NOTFOUND */
581 
582     return 0;
583 }
584 
585 
586 void
initriscos()587 initriscos()
588 {
589     PyObject *m, *d, *stat_m;
590 
591     m = Py_InitModule("riscos", riscos_methods);
592 
593     if (all_ins(m))
594         return;
595 
596     d = PyModule_GetDict(m);
597 
598     Py_INCREF(PyExc_OSError);
599     PyModule_AddObject(m, "error", PyExc_OSError);
600 
601     PyStructSequence_InitType(&StatResultType, &stat_result_desc);
602     PyDict_SetItemString(d, "stat_result", (PyObject*) &StatResultType);
603 }
604