Annotation of OpenXM/src/ox_toolkit/ox.c, Revision 1.24
1.1 ohara 1: /* -*- mode: C; coding: euc-japan -*- */
1.24 ! ohara 2: /* $OpenXM: OpenXM/src/ox_toolkit/ox.c,v 1.23 2003/03/30 08:05:22 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: {
1.24 ! ohara 234: int tag = receive_int32(oxfp);
! 235: return receive_cmo_tag(oxfp, tag);
! 236: }
! 237:
! 238: cmo *receive_cmo_tag(OXFILE *oxfp, int tag)
! 239: {
1.1 ohara 240: cmo* m;
241: switch(tag) {
242: case CMO_NULL:
1.13 ohara 243: m = receive_cmo_null(oxfp);
1.1 ohara 244: break;
245: case CMO_INT32:
1.13 ohara 246: m = (cmo *)receive_cmo_int32(oxfp);
1.1 ohara 247: break;
248: case CMO_STRING:
1.13 ohara 249: m = (cmo *)receive_cmo_string(oxfp);
1.1 ohara 250: break;
251: case CMO_MATHCAP:
1.13 ohara 252: m = (cmo *)receive_cmo_mathcap(oxfp);
1.1 ohara 253: break;
254: case CMO_LIST:
1.13 ohara 255: m = (cmo *)receive_cmo_list(oxfp);
1.1 ohara 256: break;
257: case CMO_MONOMIAL32:
1.13 ohara 258: m = (cmo *)receive_cmo_monomial32(oxfp);
1.1 ohara 259: break;
260: case CMO_ZZ:
1.13 ohara 261: m = (cmo *)receive_cmo_zz(oxfp);
1.1 ohara 262: break;
263: case CMO_ZERO:
1.13 ohara 264: m = (cmo *)receive_cmo_zero(oxfp);
1.1 ohara 265: break;
266: case CMO_DMS_GENERIC:
1.13 ohara 267: m = (cmo *)receive_cmo_dms_generic(oxfp);
1.1 ohara 268: break;
269: case CMO_RING_BY_NAME:
1.13 ohara 270: m = (cmo *)receive_cmo_ring_by_name(oxfp);
1.1 ohara 271: break;
272: case CMO_DISTRIBUTED_POLYNOMIAL:
1.13 ohara 273: m = (cmo *)receive_cmo_distributed_polynomial(oxfp);
1.1 ohara 274: break;
275: case CMO_ERROR2:
1.13 ohara 276: m = (cmo *)receive_cmo_error2(oxfp);
1.1 ohara 277: break;
278: case CMO_DATUM:
279: case CMO_QQ:
280: default:
1.13 ohara 281: m = NULL;
1.20 ohara 282: ox_printf("the CMO (%d) is not implemented.\n", tag);
1.1 ohara 283: }
284: return m;
285: }
286:
1.13 ohara 287: static void receive_mpz(OXFILE *oxfp, mpz_ptr mpz)
1.1 ohara 288: {
289: int i;
1.13 ohara 290: int size = receive_int32(oxfp);
1.1 ohara 291: int len = abs(size);
292: resize_mpz(mpz, size);
293:
294: for(i=0; i<len; i++) {
1.13 ohara 295: mpz->_mp_d[i] = receive_int32(oxfp);
1.1 ohara 296: }
297: }
298:
1.13 ohara 299: void send_ox_command(OXFILE *oxfp, int sm_command)
1.1 ohara 300: {
1.13 ohara 301: send_ox_tag(oxfp, OX_COMMAND);
302: send_int32(oxfp, sm_command);
303: oxf_flush(oxfp);
1.1 ohara 304: }
305:
1.13 ohara 306: void ox_close(OXFILE *sv)
1.1 ohara 307: {
1.13 ohara 308: send_ox_command(oxf_control(sv), SM_control_kill);
1.7 ohara 309: sleep(2);
1.13 ohara 310: /* We wait thar an OpenXM server terminates. */
1.20 ohara 311: ox_printf("I have closed the connection to an Open XM server.\n");
1.1 ohara 312: }
313:
1.13 ohara 314: void ox_shutdown(OXFILE *sv)
1.3 ohara 315: {
1.13 ohara 316: /* We need to use SM_shutdown but yet ... */
317: ox_close(sv);
1.3 ohara 318: }
319:
1.13 ohara 320: void ox_cmo_rpc(OXFILE *sv, char *function, int argc, cmo *argv[])
1.3 ohara 321: {
1.13 ohara 322: int i = argc;
323: while(i-- > 0) {
324: send_ox_cmo(sv, argv[i]);
325: }
326: send_ox_cmo(sv, (cmo *)new_cmo_int32(argc));
327: send_ox_cmo(sv, (cmo *)new_cmo_string(function));
328: send_ox_command(sv, SM_executeFunction);
1.3 ohara 329: }
330:
1.13 ohara 331: void ox_execute_string(OXFILE *sv, char* s)
1.3 ohara 332: {
1.13 ohara 333: send_ox_cmo(sv, (cmo *)new_cmo_string(s));
334: send_ox_command(sv, SM_executeStringByLocalParser);
1.3 ohara 335: }
336:
1.13 ohara 337: void ox_push_cmd(OXFILE *sv, int sm_code)
1.1 ohara 338: {
1.13 ohara 339: send_ox_command(sv, sm_code);
1.1 ohara 340: }
341:
1.13 ohara 342: cmo_mathcap* ox_mathcap(OXFILE *sv)
1.1 ohara 343: {
1.13 ohara 344: send_ox_command(sv, SM_mathcap);
345: send_ox_command(sv, SM_popCMO);
346: receive_ox_tag(sv); /* OX_DATA */
347: return (cmo_mathcap *)receive_cmo(sv);
1.1 ohara 348: }
349:
1.13 ohara 350: char* ox_popString(OXFILE *sv)
1.1 ohara 351: {
352: cmo_string* m = NULL;
353:
1.13 ohara 354: send_ox_command(sv, SM_popString);
355: receive_ox_tag(sv); /* OX_DATA */
356: m = (cmo_string *)receive_cmo(sv);
1.1 ohara 357: return m->s;
358: }
359:
1.13 ohara 360: void ox_pops(OXFILE *sv, int num)
1.3 ohara 361: {
1.13 ohara 362: send_ox_cmo(sv, (cmo *)new_cmo_int32(num));
363: send_ox_command(sv, SM_pops);
1.3 ohara 364: }
365:
1.13 ohara 366: cmo* ox_pop_cmo(OXFILE *sv)
1.3 ohara 367: {
1.13 ohara 368: send_ox_command(sv, SM_popCMO);
369: receive_ox_tag(sv); /* OX_DATA */
370: return receive_cmo(sv);
1.3 ohara 371: }
372:
1.13 ohara 373: void ox_push_cmo(OXFILE *sv, cmo *c)
1.3 ohara 374: {
1.13 ohara 375: send_ox_cmo(sv, c);
1.3 ohara 376: }
377:
1.7 ohara 378: /* a dummy function for flushing a connection. */
1.13 ohara 379: int ox_flush(OXFILE *sv)
1.5 ohara 380: {
1.13 ohara 381: return 1;
1.5 ohara 382: }
383:
1.13 ohara 384: void ox_reset(OXFILE *sv)
1.1 ohara 385: {
1.13 ohara 386: send_ox_command(oxf_control(sv), SM_control_reset_connection);
387: while(receive_ox_tag(sv) != OX_SYNC_BALL) {
388: receive_cmo(sv); /* skipping a message. */
1.1 ohara 389: }
390:
1.13 ohara 391: send_ox_tag(sv, OX_SYNC_BALL);
1.20 ohara 392: ox_printf("I have reset an Open XM server.\n");
1.1 ohara 393: }
394:
1.13 ohara 395: void send_ox(OXFILE *oxfp, ox *m)
1.1 ohara 396: {
397: switch(m->tag) {
1.13 ohara 398: case OX_DATA:
399: send_ox_cmo(oxfp, ((ox_data *)m)->cmo);
1.1 ohara 400: break;
1.13 ohara 401: case OX_COMMAND:
402: send_ox_command(oxfp, ((ox_command *)m)->command);
1.1 ohara 403: break;
404: default:
405: /* CMO?? */
1.13 ohara 406: send_ox_cmo(oxfp, (cmo *)m);
1.1 ohara 407: }
408: }
409:
1.13 ohara 410: void send_ox_cmo(OXFILE *oxfp, cmo* m)
1.1 ohara 411: {
1.13 ohara 412: send_ox_tag(oxfp, OX_DATA);
413: send_cmo(oxfp, m);
414: oxf_flush(oxfp);
1.1 ohara 415: }
416:
1.8 ohara 417: /* send_cmo_* functions */
1.13 ohara 418: static int send_cmo_null(OXFILE *oxfp, cmo_null* c)
1.1 ohara 419: {
420: return 0;
421: }
422:
1.13 ohara 423: static int send_cmo_int32(OXFILE *oxfp, cmo_int32* m)
1.1 ohara 424: {
1.13 ohara 425: return send_int32(oxfp, m->i);
1.1 ohara 426: }
427:
1.13 ohara 428: static int send_cmo_string(OXFILE *oxfp, cmo_string* m)
1.1 ohara 429: {
430: int len = (m->s != NULL)? strlen(m->s): 0;
1.13 ohara 431: send_int32(oxfp, len);
1.1 ohara 432: if (len > 0) {
1.13 ohara 433: oxf_write(m->s, 1, len, oxfp);
1.1 ohara 434: }
435: return 0;
436: }
437:
1.13 ohara 438: static int send_cmo_mathcap(OXFILE *oxfp, cmo_mathcap* c)
1.1 ohara 439: {
1.13 ohara 440: send_cmo(oxfp, c->ob);
1.1 ohara 441: return 0;
442: }
443:
1.13 ohara 444: static int send_cmo_list(OXFILE *oxfp, cmo_list* c)
1.1 ohara 445: {
1.13 ohara 446: cell* el = list_first(c);
447: int len = list_length(c);
448: send_int32(oxfp, len);
449:
450: while(!list_endof(c, el)) {
451: send_cmo(oxfp, el->cmo);
452: el = list_next(el);
1.1 ohara 453: }
454: return 0;
455: }
456:
1.13 ohara 457: static int send_cmo_distributed_polynomial(OXFILE *oxfp, cmo_distributed_polynomial* c)
1.1 ohara 458: {
1.13 ohara 459: cell* el = list_first((cmo_list *)c);
460: int len = list_length((cmo_list *)c);
461: send_int32(oxfp, len);
462: send_cmo(oxfp, c->ringdef);
463: while(!list_endof((cmo_list *)c, el)) {
464: send_cmo(oxfp, el->cmo);
465: el = list_next(el);
1.1 ohara 466: }
467: return 0;
468: }
469:
1.13 ohara 470: static int send_cmo_monomial32(OXFILE *oxfp, cmo_monomial32* c)
1.1 ohara 471: {
472: int i;
473: int len = c->length;
1.13 ohara 474: send_int32(oxfp, len);
1.1 ohara 475: for(i=0; i<len; i++) {
1.13 ohara 476: send_int32(oxfp, c->exps[i]);
1.1 ohara 477: }
1.13 ohara 478: send_cmo(oxfp, c->coef);
1.1 ohara 479: return 0;
480: }
481:
1.13 ohara 482: static int send_cmo_zz(OXFILE *oxfp, cmo_zz* c)
1.1 ohara 483: {
1.13 ohara 484: send_mpz(oxfp, c->mpz);
1.1 ohara 485: return 0;
486: }
487:
1.13 ohara 488: static int send_cmo_error2(OXFILE *oxfp, cmo_error2* c)
1.1 ohara 489: {
1.13 ohara 490: send_cmo(oxfp, c->ob);
1.1 ohara 491: return 0;
492: }
493:
1.8 ohara 494: /* sending a CMO. (Remarks: OX_tag is already sent.) */
1.13 ohara 495: void send_cmo(OXFILE *oxfp, cmo* c)
1.1 ohara 496: {
497: int tag = c->tag;
498:
1.13 ohara 499: c = call_hook_before_send_cmo(oxfp, c);
1.2 ohara 500:
1.13 ohara 501: send_int32(oxfp, tag);
1.1 ohara 502: switch(tag) {
503: case CMO_NULL:
504: case CMO_ZERO:
505: case CMO_DMS_GENERIC:
1.13 ohara 506: send_cmo_null(oxfp, c); /* empty function. */
1.1 ohara 507: break;
508: case CMO_INT32:
1.13 ohara 509: send_cmo_int32(oxfp, (cmo_int32 *)c);
1.1 ohara 510: break;
511: case CMO_STRING:
1.13 ohara 512: send_cmo_string(oxfp, (cmo_string *)c);
1.1 ohara 513: break;
514: case CMO_MATHCAP:
515: case CMO_ERROR2:
516: case CMO_RING_BY_NAME:
517: case CMO_INDETERMINATE:
1.13 ohara 518: send_cmo_mathcap(oxfp, (cmo_mathcap *)c);
1.1 ohara 519: break;
520: case CMO_LIST:
1.13 ohara 521: send_cmo_list(oxfp, (cmo_list *)c);
1.1 ohara 522: break;
523: case CMO_MONOMIAL32:
1.13 ohara 524: send_cmo_monomial32(oxfp, (cmo_monomial32 *)c);
1.1 ohara 525: break;
526: case CMO_ZZ:
1.13 ohara 527: send_cmo_zz(oxfp, (cmo_zz *)c);
1.1 ohara 528: break;
529: case CMO_DISTRIBUTED_POLYNOMIAL:
1.13 ohara 530: send_cmo_distributed_polynomial(oxfp, (cmo_distributed_polynomial *)c);
1.1 ohara 531: break;
532: default:
1.13 ohara 533: call_hook_after_send_cmo(oxfp, c);
1.1 ohara 534: }
535: }
536:
1.13 ohara 537: static int send_mpz(OXFILE *oxfp, mpz_ptr mpz)
1.1 ohara 538: {
539: int i;
540: int len = abs(mpz->_mp_size);
1.13 ohara 541: send_int32(oxfp, mpz->_mp_size);
1.1 ohara 542: for(i=0; i<len; i++) {
1.13 ohara 543: send_int32(oxfp, mpz->_mp_d[i]);
1.1 ohara 544: }
545: return 0;
546: }
547:
548: ox_data* new_ox_data(cmo* c)
549: {
550: ox_data* m = malloc(sizeof(ox_data));
551: m->tag = OX_DATA;
552: m->cmo = c;
553: return m;
554: }
555:
556: ox_command* new_ox_command(int sm_code)
557: {
558: ox_command* m = malloc(sizeof(ox_command));
559: m->tag = OX_COMMAND;
560: m->command = sm_code;
561: return m;
562: }
563:
564: ox_sync_ball* new_ox_sync_ball()
565: {
566: ox_sync_ball *m = malloc(sizeof(ox_sync_ball));
567: m->tag = OX_SYNC_BALL;
568: return m;
1.19 ohara 569: }
570:
571: int ox_stderr_init(FILE *fp)
572: {
1.21 ohara 573: ox_stderr = fp;
574: if (ox_stderr != NULL) {
575: setbuf(ox_stderr, NULL);
576: }
1.20 ohara 577: }
578:
579: int ox_printf(char *format, ...)
580: {
1.21 ohara 581: if (ox_stderr != NULL) {
582: va_list ap;
583: va_start(ap, format);
584: vfprintf(ox_stderr, format, ap);
585: }
1.1 ohara 586: }
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