Annotation of OpenXM/src/ox_toolkit/ox.c, Revision 1.23
1.1 ohara 1: /* -*- mode: C; coding: euc-japan -*- */
1.23 ! ohara 2: /* $OpenXM: OpenXM/src/ox_toolkit/ox.c,v 1.22 2003/03/23 20:17:35 ohara Exp $ */
1.1 ohara 3:
1.8 ohara 4: /*
5: This module includes functions for sending/receiveng CMO's.
6: Some commnets is written in Japanese by the EUC-JP coded
7: character set.
1.1 ohara 8: */
9:
10: #include <stdio.h>
11: #include <stdlib.h>
1.20 ohara 12: #include <stdarg.h>
1.1 ohara 13: #include <string.h>
14: #include <unistd.h>
15: #include <fcntl.h>
1.5 ohara 16: #include <sys/file.h>
1.13 ohara 17: #include <time.h>
1.1 ohara 18:
19: #include "mysocket.h"
1.12 ohara 20: #include "ox_toolkit.h"
1.1 ohara 21: #include "parse.h"
22:
1.20 ohara 23: static FILE *ox_stderr = NULL;
24:
1.17 ohara 25: /* sorting by the value of CMO_xxx. (for debugging) */
1.13 ohara 26: static cmo_null* receive_cmo_null(OXFILE *oxfp);
27: static cmo_int32* receive_cmo_int32(OXFILE *oxfp);
28: static cmo_string* receive_cmo_string(OXFILE *oxfp);
29: static cmo_mathcap* receive_cmo_mathcap(OXFILE *oxfp);
30: static cmo_list* receive_cmo_list(OXFILE *oxfp);
31: static cmo_monomial32* receive_cmo_monomial32(OXFILE *oxfp);
32: static cmo_zero* receive_cmo_zero(OXFILE *oxfp);
33: static cmo_dms_generic* receive_cmo_dms_generic(OXFILE *oxfp);
34: static cmo_ring_by_name* receive_cmo_ring_by_name(OXFILE *oxfp);
35: static cmo_distributed_polynomial* receive_cmo_distributed_polynomial(OXFILE *oxfp);
36: static cmo_error2* receive_cmo_error2(OXFILE *oxfp);
37:
38: static int send_cmo_null(OXFILE *oxfp, cmo_null* c);
39: static int send_cmo_int32(OXFILE *oxfp, cmo_int32* m);
40: static int send_cmo_string(OXFILE *oxfp, cmo_string* m);
41: static int send_cmo_mathcap(OXFILE *oxfp, cmo_mathcap* c);
42: static int send_cmo_list(OXFILE *oxfp, cmo_list* c);
43: static int send_cmo_monomial32(OXFILE *oxfp, cmo_monomial32* c);
1.22 ohara 44: static int send_cmo_error2(OXFILE *oxfp, cmo_error2* c);
45: static int send_cmo_distributed_polynomial(OXFILE *oxfp, cmo_distributed_polynomial* c);
46:
47: static cmo_zz* receive_cmo_zz(OXFILE *oxfp);
48: static void receive_mpz(OXFILE *oxfp, mpz_ptr mpz);
1.13 ohara 49: static int send_cmo_zz(OXFILE *oxfp, cmo_zz* c);
50: static int send_mpz(OXFILE *oxfp, mpz_ptr mpz);
1.3 ohara 51:
1.8 ohara 52: /* hook functions. (yet not implemented) */
1.2 ohara 53: static hook_t hook_before_send_cmo = NULL;
54: static hook_t hook_after_send_cmo = NULL;
55:
56: int add_hook_before_send_cmo(hook_t func)
57: {
1.13 ohara 58: hook_before_send_cmo = func;
59: return 0;
1.2 ohara 60: }
61:
62: int add_hook_after_send_cmo(hook_t func)
63: {
1.13 ohara 64: hook_after_send_cmo = func;
65: return 0;
1.2 ohara 66: }
67:
1.13 ohara 68: static cmo *call_hook_before_send_cmo(OXFILE *oxfp, cmo *c)
1.2 ohara 69: {
1.13 ohara 70: if (hook_before_send_cmo != NULL) {
71: return hook_before_send_cmo(oxfp, c);
72: }
73: return c;
1.2 ohara 74: }
75:
1.13 ohara 76: static cmo *call_hook_after_send_cmo(OXFILE *oxfp, cmo *c)
1.2 ohara 77: {
1.13 ohara 78: if (hook_after_send_cmo != NULL) {
79: return hook_after_send_cmo(oxfp, c);
80: }
81: return c;
1.2 ohara 82: }
1.1 ohara 83:
1.7 ohara 84: /* Handling an error. */
1.1 ohara 85: static int current_received_serial = 0;
86:
1.7 ohara 87: /* If an error object be needed, then a server call the following function. */
1.1 ohara 88: cmo_error2* make_error_object(int err_code, cmo *ob)
89: {
90: cmo_list* li = new_cmo_list();
1.13 ohara 91: list_append(li, (cmo *)new_cmo_int32(current_received_serial));
92: list_append(li, (cmo *)new_cmo_int32(err_code));
93: list_append(li, ob);
1.1 ohara 94: return new_cmo_error2((cmo *)li);
95: }
96:
1.7 ohara 97: /* getting a next serial number. */
1.13 ohara 98: int next_serial(OXFILE *oxfp)
1.1 ohara 99: {
1.13 ohara 100: return oxfp->serial_number++;
1.1 ohara 101: }
102:
1.7 ohara 103: /* sending an object of int32 type. (not equal to cmo_int32 type) */
1.13 ohara 104: int send_int32(OXFILE *oxfp, int int32)
1.1 ohara 105: {
1.13 ohara 106: return oxfp->send_int32(oxfp, int32);
1.1 ohara 107: }
108:
1.13 ohara 109: /* receiving an object of int32 type. (not equal to cmo_int32 type) */
110: int receive_int32(OXFILE *oxfp)
1.1 ohara 111: {
1.13 ohara 112: return oxfp->receive_int32(oxfp);
1.1 ohara 113: }
114:
1.13 ohara 115: /* receiving an (OX_tag, serial number) */
116: int receive_ox_tag(OXFILE *oxfp)
1.1 ohara 117: {
1.13 ohara 118: int tag = receive_int32(oxfp);
1.16 ohara 119: oxfp->received_serial_number = receive_int32(oxfp);
1.13 ohara 120: return tag;
1.1 ohara 121: }
122:
1.13 ohara 123: /* sending an (OX_tag, serial number) */
124: int send_ox_tag(OXFILE *oxfp, int tag)
1.3 ohara 125: {
1.13 ohara 126: send_int32(oxfp, tag);
127: return send_int32(oxfp, next_serial(oxfp));
1.1 ohara 128: }
129:
1.7 ohara 130: /* functions named receive_cmo_*. */
1.13 ohara 131: static cmo_null* receive_cmo_null(OXFILE *oxfp)
1.1 ohara 132: {
133: return new_cmo_null();
134: }
135:
1.13 ohara 136: static cmo_int32* receive_cmo_int32(OXFILE *oxfp)
1.1 ohara 137: {
1.13 ohara 138: int i = receive_int32(oxfp);
1.1 ohara 139: return new_cmo_int32(i);
140: }
141:
1.13 ohara 142: static cmo_string* receive_cmo_string(OXFILE *oxfp)
1.1 ohara 143: {
1.13 ohara 144: int len = receive_int32(oxfp);
1.1 ohara 145: char* s = malloc(len+1);
146: memset(s, '\0', len+1);
147: if (len > 0) {
1.13 ohara 148: oxf_read(s, 1, len, oxfp);
1.1 ohara 149: }
150: return new_cmo_string(s);
151: }
152:
1.13 ohara 153: static cmo_mathcap* receive_cmo_mathcap(OXFILE *oxfp)
1.1 ohara 154: {
1.13 ohara 155: cmo* ob = receive_cmo(oxfp);
1.1 ohara 156: return new_cmo_mathcap(ob);
157: }
158:
1.13 ohara 159: static cmo_list* receive_cmo_list(OXFILE *oxfp)
1.1 ohara 160: {
161: cmo* ob;
162: cmo_list* c = new_cmo_list();
1.13 ohara 163: int len = receive_int32(oxfp);
1.1 ohara 164:
165: while (len>0) {
1.13 ohara 166: ob = receive_cmo(oxfp);
167: list_append(c, ob);
1.1 ohara 168: len--;
169: }
170: return c;
171: }
172:
1.13 ohara 173: static cmo_monomial32* receive_cmo_monomial32(OXFILE *oxfp)
1.1 ohara 174: {
175: int i;
1.13 ohara 176: int len = receive_int32(oxfp);
1.1 ohara 177: cmo_monomial32* c = new_cmo_monomial32(len);
178:
179: for(i=0; i<len; i++) {
1.13 ohara 180: c->exps[i] = receive_int32(oxfp);
1.1 ohara 181: }
1.13 ohara 182: c->coef = receive_cmo(oxfp);
1.1 ohara 183: return c;
184: }
185:
1.13 ohara 186: static cmo_zz* receive_cmo_zz(OXFILE *oxfp)
1.1 ohara 187: {
188: cmo_zz* c = new_cmo_zz();
1.13 ohara 189: receive_mpz(oxfp, c->mpz);
1.1 ohara 190: return c;
191: }
192:
1.13 ohara 193: static cmo_zero* receive_cmo_zero(OXFILE *oxfp)
1.1 ohara 194: {
195: return new_cmo_zero();
196: }
197:
1.13 ohara 198: static cmo_dms_generic* receive_cmo_dms_generic(OXFILE *oxfp)
1.1 ohara 199: {
200: return new_cmo_dms_generic();
201: }
202:
1.13 ohara 203: static cmo_ring_by_name* receive_cmo_ring_by_name(OXFILE *oxfp)
1.1 ohara 204: {
1.13 ohara 205: cmo* ob = receive_cmo(oxfp);
206: /* We need to check semantics but yet ... */
1.1 ohara 207: return new_cmo_ring_by_name(ob);
208: }
209:
1.13 ohara 210: static cmo_distributed_polynomial* receive_cmo_distributed_polynomial(OXFILE *oxfp)
1.1 ohara 211: {
212: cmo* ob;
213: cmo_distributed_polynomial* c = new_cmo_distributed_polynomial();
1.13 ohara 214: int len = receive_int32(oxfp);
215: c->ringdef = receive_cmo(oxfp);
1.1 ohara 216:
217: while (len>0) {
1.13 ohara 218: ob = receive_cmo(oxfp);
219: list_append((cmo_list *)c, ob);
1.1 ohara 220: len--;
221: }
222: return c;
223: }
224:
1.13 ohara 225: static cmo_error2* receive_cmo_error2(OXFILE *oxfp)
1.1 ohara 226: {
1.13 ohara 227: cmo* ob = receive_cmo(oxfp);
1.1 ohara 228: return new_cmo_error2(ob);
229: }
230:
1.17 ohara 231: /* receive_cmo() is called after receive_ox_tag(). */
1.13 ohara 232: cmo* receive_cmo(OXFILE *oxfp)
1.1 ohara 233: {
234: cmo* m;
1.13 ohara 235: int tag = receive_int32(oxfp);
1.1 ohara 236: switch(tag) {
237: case CMO_NULL:
1.13 ohara 238: m = receive_cmo_null(oxfp);
1.1 ohara 239: break;
240: case CMO_INT32:
1.13 ohara 241: m = (cmo *)receive_cmo_int32(oxfp);
1.1 ohara 242: break;
243: case CMO_STRING:
1.13 ohara 244: m = (cmo *)receive_cmo_string(oxfp);
1.1 ohara 245: break;
246: case CMO_MATHCAP:
1.13 ohara 247: m = (cmo *)receive_cmo_mathcap(oxfp);
1.1 ohara 248: break;
249: case CMO_LIST:
1.13 ohara 250: m = (cmo *)receive_cmo_list(oxfp);
1.1 ohara 251: break;
252: case CMO_MONOMIAL32:
1.13 ohara 253: m = (cmo *)receive_cmo_monomial32(oxfp);
1.1 ohara 254: break;
255: case CMO_ZZ:
1.13 ohara 256: m = (cmo *)receive_cmo_zz(oxfp);
1.1 ohara 257: break;
258: case CMO_ZERO:
1.13 ohara 259: m = (cmo *)receive_cmo_zero(oxfp);
1.1 ohara 260: break;
261: case CMO_DMS_GENERIC:
1.13 ohara 262: m = (cmo *)receive_cmo_dms_generic(oxfp);
1.1 ohara 263: break;
264: case CMO_RING_BY_NAME:
1.13 ohara 265: m = (cmo *)receive_cmo_ring_by_name(oxfp);
1.1 ohara 266: break;
267: case CMO_DISTRIBUTED_POLYNOMIAL:
1.13 ohara 268: m = (cmo *)receive_cmo_distributed_polynomial(oxfp);
1.1 ohara 269: break;
270: case CMO_ERROR2:
1.13 ohara 271: m = (cmo *)receive_cmo_error2(oxfp);
1.1 ohara 272: break;
273: case CMO_DATUM:
274: case CMO_QQ:
275: default:
1.13 ohara 276: m = NULL;
1.20 ohara 277: ox_printf("the CMO (%d) is not implemented.\n", tag);
1.1 ohara 278: }
279: return m;
280: }
281:
1.13 ohara 282: static void receive_mpz(OXFILE *oxfp, mpz_ptr mpz)
1.1 ohara 283: {
284: int i;
1.13 ohara 285: int size = receive_int32(oxfp);
1.1 ohara 286: int len = abs(size);
287: resize_mpz(mpz, size);
288:
289: for(i=0; i<len; i++) {
1.13 ohara 290: mpz->_mp_d[i] = receive_int32(oxfp);
1.1 ohara 291: }
292: }
293:
1.13 ohara 294: void send_ox_command(OXFILE *oxfp, int sm_command)
1.1 ohara 295: {
1.13 ohara 296: send_ox_tag(oxfp, OX_COMMAND);
297: send_int32(oxfp, sm_command);
298: oxf_flush(oxfp);
1.1 ohara 299: }
300:
1.13 ohara 301: void ox_close(OXFILE *sv)
1.1 ohara 302: {
1.13 ohara 303: send_ox_command(oxf_control(sv), SM_control_kill);
1.7 ohara 304: sleep(2);
1.13 ohara 305: /* We wait thar an OpenXM server terminates. */
1.20 ohara 306: ox_printf("I have closed the connection to an Open XM server.\n");
1.1 ohara 307: }
308:
1.13 ohara 309: void ox_shutdown(OXFILE *sv)
1.3 ohara 310: {
1.13 ohara 311: /* We need to use SM_shutdown but yet ... */
312: ox_close(sv);
1.3 ohara 313: }
314:
1.13 ohara 315: void ox_cmo_rpc(OXFILE *sv, char *function, int argc, cmo *argv[])
1.3 ohara 316: {
1.13 ohara 317: int i = argc;
318: while(i-- > 0) {
319: send_ox_cmo(sv, argv[i]);
320: }
321: send_ox_cmo(sv, (cmo *)new_cmo_int32(argc));
322: send_ox_cmo(sv, (cmo *)new_cmo_string(function));
323: send_ox_command(sv, SM_executeFunction);
1.3 ohara 324: }
325:
1.13 ohara 326: void ox_execute_string(OXFILE *sv, char* s)
1.3 ohara 327: {
1.13 ohara 328: send_ox_cmo(sv, (cmo *)new_cmo_string(s));
329: send_ox_command(sv, SM_executeStringByLocalParser);
1.3 ohara 330: }
331:
1.13 ohara 332: void ox_push_cmd(OXFILE *sv, int sm_code)
1.1 ohara 333: {
1.13 ohara 334: send_ox_command(sv, sm_code);
1.1 ohara 335: }
336:
1.13 ohara 337: cmo_mathcap* ox_mathcap(OXFILE *sv)
1.1 ohara 338: {
1.13 ohara 339: send_ox_command(sv, SM_mathcap);
340: send_ox_command(sv, SM_popCMO);
341: receive_ox_tag(sv); /* OX_DATA */
342: return (cmo_mathcap *)receive_cmo(sv);
1.1 ohara 343: }
344:
1.13 ohara 345: char* ox_popString(OXFILE *sv)
1.1 ohara 346: {
347: cmo_string* m = NULL;
348:
1.13 ohara 349: send_ox_command(sv, SM_popString);
350: receive_ox_tag(sv); /* OX_DATA */
351: m = (cmo_string *)receive_cmo(sv);
1.1 ohara 352: return m->s;
353: }
354:
1.13 ohara 355: void ox_pops(OXFILE *sv, int num)
1.3 ohara 356: {
1.13 ohara 357: send_ox_cmo(sv, (cmo *)new_cmo_int32(num));
358: send_ox_command(sv, SM_pops);
1.3 ohara 359: }
360:
1.13 ohara 361: cmo* ox_pop_cmo(OXFILE *sv)
1.3 ohara 362: {
1.13 ohara 363: send_ox_command(sv, SM_popCMO);
364: receive_ox_tag(sv); /* OX_DATA */
365: return receive_cmo(sv);
1.3 ohara 366: }
367:
1.13 ohara 368: void ox_push_cmo(OXFILE *sv, cmo *c)
1.3 ohara 369: {
1.13 ohara 370: send_ox_cmo(sv, c);
1.3 ohara 371: }
372:
1.7 ohara 373: /* a dummy function for flushing a connection. */
1.13 ohara 374: int ox_flush(OXFILE *sv)
1.5 ohara 375: {
1.13 ohara 376: return 1;
1.5 ohara 377: }
378:
1.13 ohara 379: void ox_reset(OXFILE *sv)
1.1 ohara 380: {
1.13 ohara 381: send_ox_command(oxf_control(sv), SM_control_reset_connection);
382: while(receive_ox_tag(sv) != OX_SYNC_BALL) {
383: receive_cmo(sv); /* skipping a message. */
1.1 ohara 384: }
385:
1.13 ohara 386: send_ox_tag(sv, OX_SYNC_BALL);
1.20 ohara 387: ox_printf("I have reset an Open XM server.\n");
1.1 ohara 388: }
389:
1.13 ohara 390: void send_ox(OXFILE *oxfp, ox *m)
1.1 ohara 391: {
392: switch(m->tag) {
1.13 ohara 393: case OX_DATA:
394: send_ox_cmo(oxfp, ((ox_data *)m)->cmo);
1.1 ohara 395: break;
1.13 ohara 396: case OX_COMMAND:
397: send_ox_command(oxfp, ((ox_command *)m)->command);
1.1 ohara 398: break;
399: default:
400: /* CMO?? */
1.13 ohara 401: send_ox_cmo(oxfp, (cmo *)m);
1.1 ohara 402: }
403: }
404:
1.13 ohara 405: void send_ox_cmo(OXFILE *oxfp, cmo* m)
1.1 ohara 406: {
1.13 ohara 407: send_ox_tag(oxfp, OX_DATA);
408: send_cmo(oxfp, m);
409: oxf_flush(oxfp);
1.1 ohara 410: }
411:
1.8 ohara 412: /* send_cmo_* functions */
1.13 ohara 413: static int send_cmo_null(OXFILE *oxfp, cmo_null* c)
1.1 ohara 414: {
415: return 0;
416: }
417:
1.13 ohara 418: static int send_cmo_int32(OXFILE *oxfp, cmo_int32* m)
1.1 ohara 419: {
1.13 ohara 420: return send_int32(oxfp, m->i);
1.1 ohara 421: }
422:
1.13 ohara 423: static int send_cmo_string(OXFILE *oxfp, cmo_string* m)
1.1 ohara 424: {
425: int len = (m->s != NULL)? strlen(m->s): 0;
1.13 ohara 426: send_int32(oxfp, len);
1.1 ohara 427: if (len > 0) {
1.13 ohara 428: oxf_write(m->s, 1, len, oxfp);
1.1 ohara 429: }
430: return 0;
431: }
432:
1.13 ohara 433: static int send_cmo_mathcap(OXFILE *oxfp, cmo_mathcap* c)
1.1 ohara 434: {
1.13 ohara 435: send_cmo(oxfp, c->ob);
1.1 ohara 436: return 0;
437: }
438:
1.13 ohara 439: static int send_cmo_list(OXFILE *oxfp, cmo_list* c)
1.1 ohara 440: {
1.13 ohara 441: cell* el = list_first(c);
442: int len = list_length(c);
443: send_int32(oxfp, len);
444:
445: while(!list_endof(c, el)) {
446: send_cmo(oxfp, el->cmo);
447: el = list_next(el);
1.1 ohara 448: }
449: return 0;
450: }
451:
1.13 ohara 452: static int send_cmo_distributed_polynomial(OXFILE *oxfp, cmo_distributed_polynomial* c)
1.1 ohara 453: {
1.13 ohara 454: cell* el = list_first((cmo_list *)c);
455: int len = list_length((cmo_list *)c);
456: send_int32(oxfp, len);
457: send_cmo(oxfp, c->ringdef);
458: while(!list_endof((cmo_list *)c, el)) {
459: send_cmo(oxfp, el->cmo);
460: el = list_next(el);
1.1 ohara 461: }
462: return 0;
463: }
464:
1.13 ohara 465: static int send_cmo_monomial32(OXFILE *oxfp, cmo_monomial32* c)
1.1 ohara 466: {
467: int i;
468: int len = c->length;
1.13 ohara 469: send_int32(oxfp, len);
1.1 ohara 470: for(i=0; i<len; i++) {
1.13 ohara 471: send_int32(oxfp, c->exps[i]);
1.1 ohara 472: }
1.13 ohara 473: send_cmo(oxfp, c->coef);
1.1 ohara 474: return 0;
475: }
476:
1.13 ohara 477: static int send_cmo_zz(OXFILE *oxfp, cmo_zz* c)
1.1 ohara 478: {
1.13 ohara 479: send_mpz(oxfp, c->mpz);
1.1 ohara 480: return 0;
481: }
482:
1.13 ohara 483: static int send_cmo_error2(OXFILE *oxfp, cmo_error2* c)
1.1 ohara 484: {
1.13 ohara 485: send_cmo(oxfp, c->ob);
1.1 ohara 486: return 0;
487: }
488:
1.8 ohara 489: /* sending a CMO. (Remarks: OX_tag is already sent.) */
1.13 ohara 490: void send_cmo(OXFILE *oxfp, cmo* c)
1.1 ohara 491: {
492: int tag = c->tag;
493:
1.13 ohara 494: c = call_hook_before_send_cmo(oxfp, c);
1.2 ohara 495:
1.13 ohara 496: send_int32(oxfp, tag);
1.1 ohara 497: switch(tag) {
498: case CMO_NULL:
499: case CMO_ZERO:
500: case CMO_DMS_GENERIC:
1.13 ohara 501: send_cmo_null(oxfp, c); /* empty function. */
1.1 ohara 502: break;
503: case CMO_INT32:
1.13 ohara 504: send_cmo_int32(oxfp, (cmo_int32 *)c);
1.1 ohara 505: break;
506: case CMO_STRING:
1.13 ohara 507: send_cmo_string(oxfp, (cmo_string *)c);
1.1 ohara 508: break;
509: case CMO_MATHCAP:
510: case CMO_ERROR2:
511: case CMO_RING_BY_NAME:
512: case CMO_INDETERMINATE:
1.13 ohara 513: send_cmo_mathcap(oxfp, (cmo_mathcap *)c);
1.1 ohara 514: break;
515: case CMO_LIST:
1.13 ohara 516: send_cmo_list(oxfp, (cmo_list *)c);
1.1 ohara 517: break;
518: case CMO_MONOMIAL32:
1.13 ohara 519: send_cmo_monomial32(oxfp, (cmo_monomial32 *)c);
1.1 ohara 520: break;
521: case CMO_ZZ:
1.13 ohara 522: send_cmo_zz(oxfp, (cmo_zz *)c);
1.1 ohara 523: break;
524: case CMO_DISTRIBUTED_POLYNOMIAL:
1.13 ohara 525: send_cmo_distributed_polynomial(oxfp, (cmo_distributed_polynomial *)c);
1.1 ohara 526: break;
527: default:
1.13 ohara 528: call_hook_after_send_cmo(oxfp, c);
1.1 ohara 529: }
530: }
531:
1.13 ohara 532: static int send_mpz(OXFILE *oxfp, mpz_ptr mpz)
1.1 ohara 533: {
534: int i;
535: int len = abs(mpz->_mp_size);
1.13 ohara 536: send_int32(oxfp, mpz->_mp_size);
1.1 ohara 537: for(i=0; i<len; i++) {
1.13 ohara 538: send_int32(oxfp, mpz->_mp_d[i]);
1.1 ohara 539: }
540: return 0;
541: }
542:
543: ox_data* new_ox_data(cmo* c)
544: {
545: ox_data* m = malloc(sizeof(ox_data));
546: m->tag = OX_DATA;
547: m->cmo = c;
548: return m;
549: }
550:
551: ox_command* new_ox_command(int sm_code)
552: {
553: ox_command* m = malloc(sizeof(ox_command));
554: m->tag = OX_COMMAND;
555: m->command = sm_code;
556: return m;
557: }
558:
559: ox_sync_ball* new_ox_sync_ball()
560: {
561: ox_sync_ball *m = malloc(sizeof(ox_sync_ball));
562: m->tag = OX_SYNC_BALL;
563: return m;
1.19 ohara 564: }
565:
566: int ox_stderr_init(FILE *fp)
567: {
1.21 ohara 568: ox_stderr = fp;
569: if (ox_stderr != NULL) {
570: setbuf(ox_stderr, NULL);
571: }
1.20 ohara 572: }
573:
574: int ox_printf(char *format, ...)
575: {
1.21 ohara 576: if (ox_stderr != NULL) {
577: va_list ap;
578: va_start(ap, format);
579: vfprintf(ox_stderr, format, ap);
580: }
1.1 ohara 581: }
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