Annotation of OpenXM_contrib2/asir2000/io/cio.c, Revision 1.6
1.3 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.4 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.3 noro 27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
1.6 ! noro 47: * $OpenXM: OpenXM_contrib2/asir2000/io/cio.c,v 1.5 2000/09/07 23:59:54 noro Exp $
1.3 noro 48: */
1.1 noro 49: #include "ca.h"
50: #include "parse.h"
51: #include "ox.h"
52:
53: #define ISIZ sizeof(int)
54:
55: int write_cmo_zz(FILE *,int,N);
56: int read_cmo_zz(FILE *,int *,N *);
57:
58: int valid_as_cmo(obj)
59: Obj obj;
60: {
61: NODE m;
62:
63: if ( !obj )
64: return 1;
65: switch ( OID(obj) ) {
66: case O_MATHCAP: case O_P: case O_R: case O_DP: case O_STR:
1.6 ! noro 67: case O_ERR: case O_USINT: case O_BYTEARRAY: case O_VOID:
1.1 noro 68: return 1;
69: case O_N:
1.2 noro 70: if ( NID((Num)obj) == N_Q || NID((Num)obj) == N_R )
1.1 noro 71: return 1;
72: else
73: return 0;
74: case O_LIST:
75: for ( m = BDY((LIST)obj); m; m = NEXT(m) )
76: if ( !valid_as_cmo(BDY(m)) )
77: return 0;
78: return 1;
79: default:
80: return 0;
81: }
82: }
83:
84: write_cmo(s,obj)
85: FILE *s;
86: Obj obj;
87: {
88: int r;
89: char errmsg[BUFSIZ];
90:
91: if ( !obj ) {
92: r = CMO_NULL; write_int(s,&r);
93: return;
94: }
95: switch ( OID(obj) ) {
96: case O_N:
1.2 noro 97: switch ( NID((Num)obj) ) {
98: case N_Q:
99: write_cmo_q(s,(Q)obj);
100: break;
101: case N_R:
102: write_cmo_real(s,(Real)obj);
103: break;
104: default:
105: sprintf(errmsg, "write_cmo : number id=%d not implemented.",
106: NID((Num)obj));
107: error(errmsg);
108: break;
109: }
1.1 noro 110: break;
111: case O_P:
112: write_cmo_p(s,obj);
113: break;
114: case O_R:
115: write_cmo_r(s,obj);
116: break;
117: case O_DP:
118: write_cmo_dp(s,obj);
119: break;
120: case O_LIST:
121: write_cmo_list(s,obj);
122: break;
123: case O_STR:
124: write_cmo_string(s,obj);
125: break;
126: case O_USINT:
127: write_cmo_uint(s,obj);
128: break;
129: case O_MATHCAP:
130: write_cmo_mathcap(s,obj);
131: break;
132: case O_ERR:
133: write_cmo_error(s,obj);
134: break;
1.6 ! noro 135: case O_BYTEARRAY:
! 136: write_cmo_bytearray(s,obj);
! 137: break;
1.1 noro 138: case O_VOID:
139: r = ((USINT)obj)->body; write_int(s,&r);
140: break;
141: default:
142: sprintf(errmsg, "write_cmo : id=%d not implemented.",OID(obj));
143: error(errmsg);
144: break;
145: }
1.5 noro 146: }
147:
148: int cmo_tag(obj,tag)
149: Obj obj;
150: int *tag;
151: {
152: if ( !valid_as_cmo(obj) )
153: return 0;
154: if ( !obj ) {
155: *tag = CMO_NULL;
156: return 1;
157: }
158: switch ( OID(obj) ) {
159: case O_N:
160: switch ( NID((Num)obj) ) {
161: case N_Q:
162: *tag = DN((Q)obj) ? CMO_QQ : CMO_ZZ; break;
163: case N_R:
164: *tag = CMO_IEEE_DOUBLE_FLOAT; break;
165: default:
166: return 0;
167: }
168: break;
169: case O_P:
170: *tag = CMO_RECURSIVE_POLYNOMIAL; break;
171: case O_R:
172: *tag = CMO_RATIONAL; break;
173: case O_DP:
174: *tag = CMO_DISTRIBUTED_POLYNOMIAL; break;
175: case O_LIST:
176: *tag = CMO_LIST; break;
177: case O_STR:
178: *tag = CMO_STRING; break;
179: case O_USINT:
180: *tag = CMO_INT32; break;
181: case O_MATHCAP:
182: *tag = CMO_MATHCAP; break;
183: case O_ERR:
184: *tag = CMO_ERROR2; break;
185: default:
186: return 0;
187: }
188: return 1;
1.1 noro 189: }
190:
191: write_cmo_mathcap(s,mc)
192: FILE *s;
193: MATHCAP mc;
194: {
195: unsigned int r;
196:
197: r = CMO_MATHCAP; write_int(s,&r);
198: write_cmo(s,BDY(mc));
199: }
200:
201: write_cmo_uint(s,ui)
202: FILE *s;
203: USINT ui;
204: {
205: unsigned int r;
206:
207: r = CMO_INT32; write_int(s,&r);
208: r = ui->body; write_int(s,&r);
209: }
210:
211: write_cmo_q(s,q)
212: FILE *s;
213: Q q;
214: {
215: int r;
216:
217: if ( q && DN(q) ) {
218: r = CMO_QQ; write_int(s,&r);
219: write_cmo_zz(s,SGN(q),NM(q));
220: write_cmo_zz(s,1,DN(q));
221: } else {
222: r = CMO_ZZ; write_int(s,&r);
223: write_cmo_zz(s,SGN(q),NM(q));
224: }
225: }
226:
1.2 noro 227: write_cmo_real(s,real)
228: FILE *s;
229: Real real;
230: {
231: unsigned int r;
232: double dbl;
233:
234: r = CMO_IEEE_DOUBLE_FLOAT; write_int(s,&r);
235: dbl = real->body; write_double(s,&dbl);
236: }
237:
1.1 noro 238: write_cmo_zz(s,sgn,n)
239: FILE *s;
240: int sgn;
241: N n;
242: {
243: int i,l,bytes;
244: unsigned int t;
245: unsigned int *b;
246: unsigned char c;
247:
248: #if 1
249: l = PL(n);
250: bytes = sgn*l;
251: write_int(s,&bytes);
252: write_intarray(s,BD(n),l);
253: #else
254: l = PL(n); b = (unsigned int *)BD(n);
255: bytes = sgn*4*l;
256: write_int(s,&bytes);
257: for ( i = l-1; i >= 0; i-- ) {
258: t = b[i];
259: c = t>>24; write_char(s,&c);
260: c = (t>>16)&0xff; write_char(s,&c);
261: c = (t>>8)&0xff; write_char(s,&c);
262: c = t&0xff; write_char(s,&c);
263: }
264: #endif
265: }
266:
267: write_cmo_p(s,p)
268: FILE *s;
269: P p;
270: {
271: int r,i;
272: VL t,vl;
273: char *namestr;
274: STRING name;
275: NODE n0,n;
276:
277: r = CMO_RECURSIVE_POLYNOMIAL; write_int(s,&r);
278: get_vars((Obj)p,&vl);
279:
280: /* indeterminate list */
281: r = CMO_LIST; write_int(s,&r);
282: for ( t = vl, i = 0; t; t = NEXT(t), i++ );
283: write_int(s,&i);
284: r = CMO_INDETERMINATE;
285: for ( t = vl; t; t = NEXT(t) ) {
286: write_int(s,&r);
287: /* localname_to_cmoname(NAME(t->v),&namestr); */
288: namestr = NAME(t->v);
289: MKSTR(name,namestr);
290: write_cmo(s,name);
291: }
292:
293: /* body */
294: write_cmo_upoly(s,vl,p);
295: }
296:
297: write_cmo_upoly(s,vl,p)
298: FILE *s;
299: VL vl;
300: P p;
301: {
302: int r,i;
303: V v;
304: DCP dc,dct;
305: VL vlt;
306:
307: if ( NUM(p) )
308: write_cmo(s,p);
309: else {
310: r = CMO_UNIVARIATE_POLYNOMIAL; write_int(s,&r);
311: v = VR(p);
312: dc = DC(p);
313: for ( i = 0, dct = dc; dct; dct = NEXT(dct), i++ );
314: write_int(s,&i);
315: for ( i = 0, vlt = vl; vlt->v != v; vlt = NEXT(vlt), i++ );
316: write_int(s,&i);
317: for ( dct = dc; dct; dct = NEXT(dct) ) {
318: i = QTOS(DEG(dct)); write_int(s,&i);
319: write_cmo_upoly(s,vl,COEF(dct));
320: }
321: }
322: }
323:
324: write_cmo_r(s,f)
325: FILE *s;
326: R f;
327: {
328: int r;
329:
330: r = CMO_RATIONAL; write_int(s,&r);
331: write_cmo(s,NM(f));
332: write_cmo(s,DN(f));
333: }
334:
335: write_cmo_dp(s,dp)
336: FILE *s;
337: DP dp;
338: {
339: int i,n,nv,r;
340: MP m;
341:
342: for ( n = 0, m = BDY(dp); m; m = NEXT(m), n++ );
343: r = CMO_DISTRIBUTED_POLYNOMIAL; write_int(s,&r);
344: r = n; write_int(s,&r);
345: r = CMO_DMS_GENERIC; write_int(s,&r);
346: nv = dp->nv;
347: for ( i = 0, m = BDY(dp); i < n; i++, m = NEXT(m) )
348: write_cmo_monomial(s,m,nv);
349: }
350:
351: write_cmo_monomial(s,m,n)
352: FILE *s;
353: MP m;
354: int n;
355: {
356: int i,r;
357: int *p;
358:
359: r = CMO_MONOMIAL32; write_int(s,&r);
360: write_int(s,&n);
361: for ( i = 0, p = m->dl->d; i < n; i++ ) {
362: write_int(s,p++);
363: }
364: write_cmo_q(s,m->c);
365: }
366:
367: write_cmo_list(s,list)
368: FILE *s;
369: LIST list;
370: {
371: NODE m;
372: int i,n,r;
373:
374: for ( n = 0, m = BDY(list); m; m = NEXT(m), n++ );
375: r = CMO_LIST; write_int(s,&r);
376: write_int(s,&n);
377: for ( i = 0, m = BDY(list); i < n; i++, m = NEXT(m) )
378: write_cmo(s,BDY(m));
379: }
380:
381: write_cmo_string(s,str)
382: FILE *s;
383: STRING str;
384: {
385: int r;
386:
387: r = CMO_STRING; write_int(s,&r);
388: savestr(s,BDY(str));
389: }
390:
1.6 ! noro 391: write_cmo_bytearray(s,array)
! 392: FILE *s;
! 393: BYTEARRAY array;
! 394: {
! 395: int r;
! 396:
! 397: r = CMO_DATUM; write_int(s,&r);
! 398: write_int(s,&array->len);
! 399: write_string(s,array->body,array->len);
! 400: }
! 401:
1.1 noro 402: write_cmo_error(s,e)
403: FILE *s;
404: ERR e;
405: {
406: int r;
407:
408: r = CMO_ERROR2; write_int(s,&r);
409: write_cmo(s,BDY(e));
410: }
411:
412: read_cmo(s,rp)
413: FILE *s;
414: Obj *rp;
415: {
416: int id;
417: int n,sgn,dummy;
418: Q q,qnm,qdn;
419: N nm,dn;
420: P p,pnm,pdn;
421: R r;
1.2 noro 422: Real real;
423: double dbl;
1.1 noro 424: STRING str;
425: USINT t;
426: DP dp;
427: char *b;
428: Obj obj;
429: ERR e;
430: MATHCAP mc;
1.6 ! noro 431: BYTEARRAY array;
1.1 noro 432:
433: read_int(s,&id);
434: switch ( id ) {
435: /* level 0 objects */
436: case CMO_NULL:
437: *rp = 0;
438: break;
439: case CMO_INT32:
440: read_cmo_uint(s,rp);
441: break;
442: case CMO_DATUM:
1.6 ! noro 443: loadbytearray(s,&array); *rp = (Obj)array;
! 444: break;
1.1 noro 445: case CMO_STRING:
446: loadstring(s,&str); *rp = (Obj)str;
447: break;
448: case CMO_MATHCAP:
449: read_cmo(s,&obj); MKMATHCAP(mc,(LIST)obj);
450: *rp = (Obj)mc;
451: break;
452: case CMO_ERROR:
453: MKERR(e,0); *rp = (Obj)e;
454: break;
455: case CMO_ERROR2:
456: read_cmo(s,&obj); MKERR(e,obj); *rp = (Obj)e;
457: break;
458: /* level 1 objects */
459: case CMO_LIST:
460: read_cmo_list(s,rp);
461: break;
462: case CMO_MONOMIAL32:
463: read_cmo_monomial(s,rp);
464: break;
465: case CMO_ZZ:
466: read_cmo_zz(s,&sgn,&nm);
467: NTOQ(nm,sgn,q); *rp = (Obj)q;
468: break;
469: case CMO_QQ:
470: read_cmo_zz(s,&sgn,&nm);
471: read_cmo_zz(s,&dummy,&dn);
472: NDTOQ(nm,dn,sgn,q); *rp = (Obj)q;
1.2 noro 473: break;
474: case CMO_IEEE_DOUBLE_FLOAT:
475: read_double(s,&dbl); MKReal(dbl,real); *rp = (Obj)real;
1.1 noro 476: break;
477: case CMO_DISTRIBUTED_POLYNOMIAL:
478: read_cmo_dp(s,&dp); *rp = (Obj)dp;
479: break;
480: case CMO_RECURSIVE_POLYNOMIAL:
481: read_cmo_p(s,&p); *rp = (Obj)p;
482: break;
483: case CMO_UNIVARIATE_POLYNOMIAL:
484: read_cmo_upoly(s,&p); *rp = (Obj)p;
485: break;
486: case CMO_INDETERMINATE:
487: read_cmo(s,&str); *rp = (Obj)str;
488: break;
489: case CMO_RATIONAL:
490: read_cmo(s,&pnm); read_cmo(s,&pdn);
491: divr(CO,(Obj)pnm,(Obj)pdn,rp);
492: break;
493: case CMO_ZERO:
494: *rp = 0;
495: break;
496: case CMO_DMS_OF_N_VARIABLES:
497: read_cmo(s,rp);
498: break;
499: case CMO_RING_BY_NAME:
500: read_cmo(s,rp);
501: break;
502: default:
503: MKUSINT(t,id);
504: t->id = O_VOID;
505: *rp = (Obj)t;
506: break;
507: }
508: }
509:
510: read_cmo_uint(s,rp)
511: FILE *s;
512: USINT *rp;
513: {
514: unsigned int body;
515:
516: read_int(s,&body);
517: MKUSINT(*rp,body);
518: }
519:
520: read_cmo_zz(s,sgn,rp)
521: FILE *s;
522: int *sgn;
523: N *rp;
524: {
525: int l,i,words;
526: N n;
527: unsigned int *b;
528: unsigned int h;
529: unsigned char c;
530:
531: read_int(s,&l);
532: if ( l == 0 ) {
533: *sgn = 0;
534: *rp = 0;
535: return;
536: }
537: if ( l < 0 ) {
538: *sgn = -1; l = -l;
539: } else
540: *sgn = 1;
541: #if 1
542: *rp = n = NALLOC(l); PL(n) = l;
543: read_intarray(s,BD(n),l);
544: #else
545: words = (l+3)/4;
546: *rp = n = NALLOC(words); PL(n) = words; b = BD(n);
547: h = 0;
548: switch ( l % 4 ) {
549: case 0:
550: read_char(s,&c); h = c;
551: case 3:
552: read_char(s,&c); h = (h<<8)|c;
553: case 2:
554: read_char(s,&c); h = (h<<8)|c;
555: case 1:
556: read_char(s,&c); h = (h<<8)|c;
557: }
558: b[words-1] = h;
559: for ( i = words-2; i >= 0; i-- ) {
560: read_char(s,&c); h = c;
561: read_char(s,&c); h = (h<<8)|c;
562: read_char(s,&c); h = (h<<8)|c;
563: read_char(s,&c); h = (h<<8)|c;
564: b[i] = h;
565: }
566: #endif
567: }
568:
569: read_cmo_list(s,rp)
570: FILE *s;
571: Obj *rp;
572: {
573: int len;
574: Obj *w;
575: int i;
576: Obj r,r1;
577: NODE n0,n1;
578: LIST list;
579:
580: read_int(s,&len);
581: w = (Obj *)ALLOCA(len*sizeof(Obj));
582: for ( i = 0; i < len; i++ )
583: read_cmo(s,&w[i]);
584: for ( i = len-1, n0 = 0; i >= 0; i-- ) {
585: MKNODE(n1,w[i],n0); n0 = n1;
586: }
587: MKLIST(list,n0);
588: *rp = (Obj)list;
589: }
590:
591: read_cmo_dp(s,rp)
592: FILE *s;
593: DP *rp;
594: {
595: int len;
596: int i;
597: NODE n0,n1;
598: MP mp0,mp;
599: int nv,d;
600: DP dp;
601: Obj obj;
602:
603: read_int(s,&len);
604: /* skip the ring definition */
605: read_cmo(s,&obj);
606: for ( mp0 = 0, i = 0, d = 0; i < len; i++ ) {
607: read_cmo(s,&dp);
608: if ( !mp0 ) {
609: nv = dp->nv;
610: mp0 = dp->body;
611: mp = mp0;
612: } else {
613: NEXT(mp) = dp->body;
614: mp = NEXT(mp);
615: }
616: d = MAX(d,dp->sugar);
617: }
618: MKDP(nv,mp0,dp);
619: dp->sugar = d; *rp = dp;
620: }
621:
622: read_cmo_monomial(s,rp)
623: FILE *s;
624: DP *rp;
625: {
626: MP m;
627: DP dp;
628: int i,sugar,n;
629: DL dl;
630:
631: read_int(s,&n);
632: NEWMP(m); NEWDL(dl,n); m->dl = dl;
633: read_intarray(s,dl->d,n);
634: for ( sugar = 0, i = 0; i < n; i++ )
635: sugar += dl->d[i];
636: dl->td = sugar;
637: read_cmo(s,&m->c);
638: NEXT(m) = 0; MKDP(n,m,dp); dp->sugar = sugar; *rp = dp;
639: }
640:
641: static V *remote_vtab;
642:
643: read_cmo_p(s,rp)
644: FILE *s;
645: P *rp;
646: {
647: LIST vlist;
648: int nv,i;
649: V *vtab;
650: V v1,v2;
651: NODE t;
652: P v,p;
653: VL tvl,rvl;
654: char *name;
655:
656: read_cmo(s,&vlist);
657: nv = length(BDY(vlist));
658: vtab = (V *)ALLOCA(nv*sizeof(V));
659: for ( i = 0, t = BDY(vlist); i < nv; t = NEXT(t), i++ ) {
660: /* cmoname_to_localname(BDY((STRING)BDY(t)),&name); */
661: name = BDY((STRING)BDY(t));
662: makevar(name,&v); vtab[i] = VR(v);
663: }
664: remote_vtab = vtab;
665: read_cmo(s,&p);
666: for ( i = 0; i < nv-1; i++ ) {
667: v1 = vtab[i]; v2 = vtab[i+1];
668: for ( tvl = CO; tvl->v != v1 && tvl->v != v2; tvl = NEXT(tvl) );
669: if ( tvl->v == v2 )
670: break;
671: }
672: if ( i < nv-1 ) {
673: for ( i = nv-1, rvl = 0; i >= 0; i-- ) {
674: NEWVL(tvl); tvl->v = vtab[i]; NEXT(tvl) = rvl; rvl = tvl;
675: }
676: reorderp(CO,rvl,p,rp);
677: } else
678: *rp = p;
679: }
680:
681: read_cmo_upoly(s,rp)
682: FILE *s;
683: P *rp;
684: {
685: int n,ind,i,d;
686: P c;
687: Q q;
688: DCP dc0,dc;
689:
690: read_int(s,&n);
691: read_int(s,&ind);
692: for ( i = 0, dc0 = 0; i < n; i++ ) {
693: read_int(s,&d);
694: read_cmo(s,&c);
695: if ( c ) {
696: if ( OID(c) == O_USINT ) {
697: UTOQ(((USINT)c)->body,q); c = (P)q;
698: }
699: NEXTDC(dc0,dc);
700: STOQ(d,q);
701: dc->c = c; dc->d = q;
702: }
703: }
704: if ( dc0 )
705: NEXT(dc) = 0;
706: MKP(remote_vtab[ind],dc0,*rp);
707: }
708:
709: localname_to_cmoname(a,b)
710: char *a;
711: char **b;
712: {
713: int l;
714: char *t;
715:
716: l = strlen(a);
717: if ( l >= 2 && a[0] == '@' && isupper(a[1]) ) {
718: t = *b = (char *)MALLOC_ATOMIC(l);
719: strcpy(t,a+1);
720: } else {
721: t = *b = (char *)MALLOC_ATOMIC(l+1);
722: strcpy(t,a);
723: }
724: }
725:
726: cmoname_to_localname(a,b)
727: char *a;
728: char **b;
729: {
730: int l;
731: char *t;
732:
733: l = strlen(a);
734: if ( isupper(a[0]) ) {
735: t = *b = (char *)MALLOC_ATOMIC(l+2);
736: strcpy(t+1,a);
737: t[0] = '@';
738: } else {
739: t = *b = (char *)MALLOC_ATOMIC(l+1);
740: strcpy(t,a);
741: }
742: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>