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[pyke] / catacomb-python.h
1 /* -*-c-*-
2 *
3 * Definitions for Catacomb bindings
4 *
5 * (c) 2004 Straylight/Edgeware
6 */
7
8 /*----- Licensing notice --------------------------------------------------*
9 *
10 * This file is part of the Python interface to Catacomb.
11 *
12 * Catacomb/Python is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * Catacomb/Python is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with Catacomb/Python; if not, write to the Free Software Foundation,
24 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 */
26
27 #ifndef CATACOMB_PYTHON_H
28 #define CATACOMB_PYTHON_H
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 /*----- Header files ------------------------------------------------------*/
35
36 #include <Python.h>
37 #include <longintrepr.h>
38 #include <structmember.h>
39
40 #undef ULLONG_MAX
41 #undef ULONG_LONG_MAX
42
43 #include <mLib/darray.h>
44 #include <mLib/dstr.h>
45 #include <mLib/macros.h>
46 #include <mLib/quis.h>
47
48 #include <catacomb/buf.h>
49
50 #include <catacomb/grand.h>
51 #include <catacomb/rand.h>
52 #include <catacomb/noise.h>
53 #include <catacomb/bbs.h>
54 #include <catacomb/mprand.h>
55 #include <catacomb/lcrand.h>
56 #include <catacomb/fibrand.h>
57 #include <catacomb/dsarand.h>
58 #include <catacomb/sslprf.h>
59 #include <catacomb/tlsprf.h>
60 #include <catacomb/blkc.h>
61
62 #include <catacomb/gcipher.h>
63 #include <catacomb/ghash.h>
64 #include <catacomb/gmac.h>
65 #include <catacomb/md5.h>
66 #include <catacomb/md5-hmac.h>
67 #include <catacomb/sha.h>
68 #include <catacomb/sha-mgf.h>
69 #include <catacomb/sha-hmac.h>
70
71 #include <catacomb/mp.h>
72 #include <catacomb/mpint.h>
73 #include <catacomb/mpmul.h>
74 #include <catacomb/mpcrt.h>
75 #include <catacomb/mpmont.h>
76 #include <catacomb/mpbarrett.h>
77 #include <catacomb/mpreduce.h>
78
79 #include <catacomb/pgen.h>
80 #include <catacomb/pfilt.h>
81 #include <catacomb/strongprime.h>
82 #include <catacomb/limlee.h>
83 #include <catacomb/dh.h>
84 #include <catacomb/ptab.h>
85 #include <catacomb/bintab.h>
86 #include <catacomb/dsa.h>
87
88 #include <catacomb/gf.h>
89 #include <catacomb/gfreduce.h>
90 #include <catacomb/gfn.h>
91
92 #include <catacomb/field.h>
93 #include <catacomb/field-guts.h>
94
95 #include <catacomb/ec.h>
96 #include <catacomb/ec-raw.h>
97 #include <catacomb/ectab.h>
98
99 #include <catacomb/group.h>
100 #include <catacomb/group-guts.h>
101
102 #include <catacomb/gdsa.h>
103 #include <catacomb/gkcdsa.h>
104 #include <catacomb/rsa.h>
105
106 #include <catacomb/key.h>
107 #include <catacomb/passphrase.h>
108 #include <catacomb/pixie.h>
109
110 #include <catacomb/share.h>
111 #include <catacomb/gfshare.h>
112
113 /*----- Utility macros ----------------------------------------------------*/
114
115 #define RETURN_OBJ(obj) do { Py_INCREF(obj); return (obj); } while (0)
116 #define RETURN_NONE RETURN_OBJ(Py_None)
117 #define RETURN_NOTIMPL RETURN_OBJ(Py_NotImplemented)
118 #define RETURN_TRUE RETURN_OBJ(Py_True)
119 #define RETURN_FALSE RETURN_OBJ(Py_False)
120 #define RETURN_ME RETURN_OBJ(me)
121
122 #define EXCERR(exc, str) do { \
123 PyErr_SetString(exc, str); \
124 goto end; \
125 } while (0)
126 #define VALERR(str) EXCERR(PyExc_ValueError, str)
127 #define TYERR(str) EXCERR(PyExc_TypeError, str)
128 #define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
129 #define SYNERR(str) EXCERR(PyExc_SyntaxError, str)
130 #define SYSERR(str) EXCERR(PyExc_SystemError, str)
131 #define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
132 #define INDEXERR(idx) do { \
133 PyErr_SetObject(PyExc_KeyError, idx); \
134 goto end; \
135 } while (0)
136 #define OSERR(name) do { \
137 PyErr_SetFromErrnoWithFilename(PyExc_OSError, name); \
138 goto end; \
139 } while (0)
140 #define PGENERR do { pgenerr(); goto end; } while (0)
141
142 #define CONVFUNC(ty, cty, ext) \
143 int conv##ty(PyObject *o, void *p) \
144 { \
145 if (!PyObject_TypeCheck(o, ty##_pytype)) \
146 TYERR("wanted a " #ty); \
147 *(cty *)p = ext(o); \
148 return (1); \
149 end: \
150 return (0); \
151 }
152
153 #if PY_VERSION_HEX < 0x02050000 /* Compatibility hack */
154 # define ht_name name
155 # define ht_type type
156 #endif
157
158 #define root_pytype 0
159 #define type_pytype &PyType_Type
160 #define INITTYPE(ty, base) do { \
161 ty##_pytype_skel.tp_base = base##_pytype; \
162 ty##_pytype = inittype(&ty##_pytype_skel); \
163 } while (0)
164
165 #define INSERT(name, ob) do { \
166 PyObject *_o = (PyObject *)(ob); \
167 Py_INCREF(_o); \
168 PyModule_AddObject(mod, name, _o); \
169 } while (0)
170
171 #define INSEXC(name, var, base, meth) \
172 INSERT(name, var = mkexc(mod, base, name, meth))
173
174 #define METH(func, doc) \
175 { #func, METHNAME(func), METH_VARARGS, doc },
176 #define KWMETH(func, doc) \
177 { #func, (PyCFunction)METHNAME(func), \
178 METH_VARARGS | METH_KEYWORDS, doc },
179
180 #define GET(func, doc) \
181 { #func, GETSETNAME(get, func), 0, doc },
182 #define GETSET(func, doc) \
183 { #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },
184
185 #define MEMBER(name, ty, f, doc) \
186 { #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },
187
188 #define MODULES(_) \
189 _(bytestring) _(buffer) \
190 _(rand) _(algorithms) _(pubkey) _(pgen) \
191 _(mp) _(field) _(ec) _(group) \
192 _(passphrase) _(share) _(key) \
193 _(util)
194 #define DOMODINIT(m) m##_pyinit();
195 #define DOMODINSERT(m) m##_pyinsert(mod);
196 #define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
197 #define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)
198
199 #define DO(m) \
200 extern void m##_pyinit(void); \
201 extern void m##_pyinsert(PyObject *);
202 MODULES(DO)
203 #undef DO
204
205 #define FREEOBJ(obj) \
206 (((PyObject *)(obj))->ob_type->tp_free((PyObject *)(obj)))
207
208 #define GEN(func, base) \
209 static PyObject *func(void) \
210 { \
211 PyObject *d = PyDict_New(); \
212 PyObject *o; \
213 int i; \
214 \
215 for (i = 0; g##base##tab[i]; i++) { \
216 o = gc##base##_pywrap((/*unconst*/ gc##base *)g##base##tab[i]); \
217 PyDict_SetItemString(d, \
218 (/*unconst*/ char *)g##base##tab[i]->name, \
219 o); \
220 Py_DECREF(o); \
221 } \
222 return (d); \
223 }
224
225 struct nameval { const char *name; unsigned long value; };
226 extern void setconstants(PyObject *, const struct nameval *);
227
228 extern PyObject *mexp_common(PyObject *, PyObject *, size_t,
229 PyObject *(*id)(PyObject *),
230 int (*fill)(void *, PyObject *,
231 PyObject *, PyObject *),
232 PyObject *(*exp)(PyObject *, void *, int),
233 void (*drop)(void *));
234
235 extern int convulong(PyObject *, void *);
236 #define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
237 DOUINTSZ(DECL_CONVU_)
238 extern int convmpw(PyObject *, void *);
239 extern int convuint(PyObject *, void *);
240 extern int convszt(PyObject *, void *);
241 extern int convbool(PyObject *, void *);
242 extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
243 extern PyObject *getbool(int);
244 extern PyObject *getulong(unsigned long);
245 extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);
246
247 extern PyObject * mkexc(PyObject *, PyObject *, const char *, PyMethodDef *);
248 extern PyTypeObject *inittype(PyTypeObject *);
249 extern void addmethods(const PyMethodDef *);
250 extern PyMethodDef *donemethods(void);
251
252 /*----- Mapping methods ---------------------------------------------------*/
253
254 #define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
255 #define GMAP_KWMETH(func, doc) \
256 { #func, (PyCFunction)gmapmeth_##func, METH_VARARGS|METH_KEYWORDS, doc },
257 #define GMAP_METHDECL(func, doc) \
258 extern PyObject *gmapmeth_##func(PyObject *, PyObject *);
259 #define GMAP_KWMETHDECL(func, doc) \
260 extern PyObject *gmapmeth_##func(PyObject *, PyObject *, PyObject *);
261
262 #define GMAP_DOROMETHODS(METH, KWMETH) \
263 METH (has_key, "D.has_key(KEY) -> BOOL") \
264 METH (keys, "D.keys() -> LIST") \
265 METH (values, "D.values() -> LIST") \
266 METH (items, "D.items() -> LIST") \
267 METH (iterkeys, "D.iterkeys() -> ITER") \
268 METH (itervalues, "D.itervalues() -> ITER") \
269 METH (iteritems, "D.iteritems() -> ITER") \
270 KWMETH(get, "D.get(KEY, [default = None]) -> VALUE") \
271
272 #define GMAP_DOMETHODS(METH, KWMETH) \
273 GMAP_DOROMETHODS(METH, KWMETH) \
274 METH (clear, "D.clear()") \
275 KWMETH(setdefault, "D.setdefault(K, [default = None]) -> VALUE") \
276 KWMETH(pop, "D.pop(KEY, [default = <error>]) -> VALUE") \
277 METH (popitem, "D.popitem() -> (KEY, VALUE)") \
278 METH (update, "D.update(MAP)")
279
280 GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
281 #define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
282 #define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
283 extern int gmap_pysize(PyObject *);
284 extern PySequenceMethods gmap_pysequence;
285 extern PyMethodDef gmap_pymethods[];
286
287 /*----- Bytestrings -------------------------------------------------------*/
288
289 PyTypeObject *bytestring_pyobj;
290 PyObject *bytestring_pywrap(const void *, size_t);
291 PyObject *bytestring_pywrapbuf(buf *);
292
293 /*----- Multiprecision arithmetic -----------------------------------------*/
294
295 typedef struct mp_pyobj {
296 PyObject_HEAD
297 mp *x;
298 } mp_pyobj;
299
300 extern PyTypeObject *mp_pytype;
301 extern PyTypeObject *gf_pytype;
302 #define MP_X(o) (((mp_pyobj *)(o))->x)
303 #define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
304 #define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)
305
306 extern mp *mp_frompylong(PyObject *);
307 extern PyObject *mp_topylong(mp *);
308 extern mp *tomp(PyObject *);
309 extern mp *getmp(PyObject *);
310 extern int convmp(PyObject *, void *);
311 extern mp *getgf(PyObject *);
312 extern int convgf(PyObject *, void *);
313 extern PyObject *mp_pywrap(mp *);
314 extern PyObject *gf_pywrap(mp *);
315 extern mp *mp_frompyobject(PyObject *, int);
316 extern PyObject *mp_topystring(mp *, int,
317 const char *, const char *, const char *);
318 extern int mp_tolong_checked(mp *, long *);
319
320 /*----- Abstract fields ---------------------------------------------------*/
321
322 typedef struct field_pyobj {
323 PyHeapTypeObject ty;
324 field *f;
325 } field_pyobj;
326
327 extern PyTypeObject *fe_pytype;
328 #define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
329 #define FE_F(o) (((fe_pyobj *)(o))->f)
330 #define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
331 #define FE_X(o) (((fe_pyobj *)(o))->x)
332 extern PyObject *fe_pywrap(PyObject *, mp *);
333 extern mp *getfe(field *, PyObject *);
334
335 typedef struct fe_pyobj {
336 PyObject_HEAD
337 field *f;
338 mp *x;
339 } fe_pyobj;
340
341 extern PyTypeObject *field_pytype;
342 extern PyTypeObject *primefield_pytype;
343 extern PyTypeObject *niceprimefield_pytype;
344 extern PyTypeObject *binfield_pytype;
345 extern PyTypeObject *binpolyfield_pytype;
346 extern PyTypeObject *binnormfield_pytype;
347 #define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
348 #define FIELD_F(o) (((field_pyobj *)(o))->f)
349 extern PyObject *field_pywrap(field *);
350 extern field *field_copy(field *);
351
352 /*----- Elliptic curves ---------------------------------------------------*/
353
354 typedef struct ecpt_pyobj {
355 PyObject_HEAD
356 ec_curve *c;
357 ec p;
358 } ecpt_pyobj;
359
360 extern PyTypeObject *ecpt_pytype, *ecptcurve_pytype;
361 #define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
362 #define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
363 #define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
364 #define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
365 #define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
366 #define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
367 extern PyObject *ecpt_pywrap(PyObject *, ec *);
368 extern PyObject *ecpt_pywrapout(void *, ec *);
369 extern int toecpt(ec_curve *, ec *, PyObject *);
370 extern int getecpt(ec_curve *, ec *, PyObject *);
371 extern void getecptout(ec *, PyObject *);
372 extern int convecpt(PyObject *, void *);
373
374 typedef struct eccurve_pyobj {
375 PyHeapTypeObject ty;
376 ec_curve *c;
377 PyObject *fobj;
378 } eccurve_pyobj;
379
380 extern PyTypeObject *eccurve_pytype;
381 extern PyTypeObject *ecprimecurve_pytype;
382 extern PyTypeObject *ecprimeprojcurve_pytype;
383 extern PyTypeObject *ecbincurve_pytype;
384 extern PyTypeObject *ecbinprojcurve_pytype;
385 #define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
386 #define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
387 #define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
388 extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
389 extern ec_curve *eccurve_copy(ec_curve *);
390
391 typedef struct ecinfo_pyobj {
392 PyObject_HEAD
393 ec_info ei;
394 PyObject *cobj;
395 } ecinfo_pyobj;
396
397 extern PyTypeObject *ecinfo_pytype;
398 #define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
399 #define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
400 #define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
401 extern void ecinfo_copy(ec_info *, const ec_info *);
402 extern PyObject *ecinfo_pywrap(ec_info *);
403
404 /*----- Cyclic groups -----------------------------------------------------*/
405
406 typedef struct fginfo_pyobj {
407 PyObject_HEAD
408 gprime_param dp;
409 } fginfo_pyobj;
410
411 PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
412 #define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
413 PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);
414
415 typedef struct ge_pyobj {
416 PyObject_HEAD
417 ge *x;
418 group *g;
419 } ge_pyobj;
420
421 extern PyTypeObject *ge_pytype;
422 #define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
423 #define GE_X(o) (((ge_pyobj *)(o))->x)
424 #define GE_G(o) (((ge_pyobj *)(o))->g)
425 #define GE_GOBJ(o) ((PyObject *)(group_pyobj *)(o)->ob_type)
426 extern PyObject *ge_pywrap(PyObject *, ge *);
427
428 typedef struct group_pyobj {
429 PyHeapTypeObject ty;
430 group *g;
431 } group_pyobj;
432
433 extern PyTypeObject *group_pytype;
434 extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
435 #define GROUP_G(o) (((group_pyobj *)(o))->g)
436 extern PyObject *group_pywrap(group *);
437 extern group *group_copy(group *);
438
439 /*----- Random number generators ------------------------------------------*/
440
441 #define f_freeme 1u
442
443 typedef struct grand_pyobj {
444 PyObject_HEAD
445 unsigned f;
446 grand *r;
447 } grand_pyobj;
448
449 extern PyTypeObject *grand_pytype, *truerand_pytype;
450 extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
451 extern PyTypeObject *dsarand_pytype, *bbs_pytype;
452 extern PyObject *rand_pyobj;
453 #define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
454 #define GRAND_F(o) (((grand_pyobj *)(o))->f)
455 #define GRAND_R(o) (((grand_pyobj *)(o))->r)
456 extern PyObject *grand_pywrap(grand *, unsigned);
457 extern int convgrand(PyObject *, void *);
458
459 /*----- Key sizes ---------------------------------------------------------*/
460
461 typedef struct keysz_pyobj {
462 PyObject_HEAD
463 int dfl;
464 } keysz_pyobj;
465
466 typedef struct keyszrange_pyobj {
467 PyObject_HEAD
468 int dfl;
469 int min, max, mod;
470 } keyszrange_pyobj;
471
472 typedef struct keyszset_pyobj {
473 PyObject_HEAD
474 int dfl;
475 PyObject *set;
476 } keyszset_pyobj;
477
478 #define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
479 extern PyObject *keysz_pywrap(const octet *);
480
481 /*----- Symmetric cryptography --------------------------------------------*/
482
483 typedef struct gccipher_pyobj {
484 PyHeapTypeObject ty;
485 gccipher *cc;
486 } gccipher_pyobj;
487
488 extern PyTypeObject *gccipher_pytype;
489 #define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
490 #define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
491 #define GCCIPHER_F(o) (((gccipher_pyobj *)(o))->f)
492 extern PyObject *gccipher_pywrap(gccipher *);
493 extern int convgccipher(PyObject *, void *);
494 extern int convgcipher(PyObject *, void *);
495
496 typedef struct gcipher_pyobj {
497 PyObject_HEAD
498 unsigned f;
499 gcipher *c;
500 } gcipher_pyobj;
501
502 extern PyTypeObject *gcipher_pytype;
503 #define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
504 #define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
505 #define GCIPHER_F(o) (((gcipher_pyobj *)(o))->f)
506 extern PyObject *gcipher_pywrap(PyObject *, gcipher *, unsigned);
507 extern int convgcipher(PyObject *, void *);
508
509 typedef struct gchash_pyobj {
510 PyHeapTypeObject ty;
511 gchash *ch;
512 } gchash_pyobj;
513
514 extern PyTypeObject *gchash_pytype;
515 #define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
516 #define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
517 #define GCHASH_F(o) (((gchash_pyobj *)(o))->f)
518 extern PyObject *gchash_pywrap(gchash *);
519 extern int convgchash(PyObject *, void *);
520
521 typedef struct ghash_pyobj {
522 PyObject_HEAD
523 unsigned f;
524 ghash *h;
525 } ghash_pyobj;
526
527 extern PyTypeObject *ghash_pytype, *gmhash_pytype;
528 extern PyObject *sha_pyobj, *has160_pyobj;
529 #define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
530 #define GHASH_H(o) (((ghash_pyobj *)(o))->h)
531 #define GHASH_F(o) (((ghash_pyobj *)(o))->f)
532 extern PyObject *ghash_pywrap(PyObject *, ghash *, unsigned);
533 extern int convghash(PyObject *, void *);
534 extern int convgmhash(PyObject *, void *);
535
536 typedef struct gcmac_pyobj {
537 PyHeapTypeObject ty;
538 gcmac *cm;
539 } gcmac_pyobj;
540
541 extern PyTypeObject *gcmac_pytype;
542 #define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
543 #define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
544 #define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
545 extern PyObject *gcmac_pywrap(gcmac *);
546 extern int convgcmac(PyObject *, void *);
547
548 typedef struct gmac_pyobj {
549 PyHeapTypeObject ty;
550 unsigned f;
551 gmac *m;
552 } gmac_pyobj;
553
554 extern PyTypeObject *gmac_pytype;
555 #define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
556 #define GMAC_M(o) (((gmac_pyobj *)(o))->m)
557 #define GMAC_F(o) (((gmac_pyobj *)(o))->f)
558 extern PyObject *gmac_pywrap(PyObject *, gmac *, unsigned);
559 extern int convgmac(PyObject *, void *);
560
561 /*----- Key generation ----------------------------------------------------*/
562
563 typedef struct pfilt_pyobj {
564 PyObject_HEAD
565 pfilt f;
566 int st;
567 } pfilt_pyobj;
568
569 extern PyTypeObject *pfilt_pytype;
570 #define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
571 #define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
572 #define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
573
574 typedef struct { pgen_proc *proc; void *ctx; } pgev;
575 #define PGEV_HEAD PyObject_HEAD pgev pg;
576
577 typedef struct pgev_pyobj {
578 PGEV_HEAD
579 } pgev_pyobj;
580
581 extern PyTypeObject *pgev_pytype;
582 #define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
583 #define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
584
585 extern int convpgev(PyObject *, void *);
586 extern void droppgev(pgev *);
587 extern void pgenerr(void);
588
589 /*----- That's all, folks -------------------------------------------------*/
590
591 #ifdef __cplusplus
592 }
593 #endif
594
595 #endif
The Python Kit for Extensions: a library for writing Python extensions