1 d3df3087 2003-12-06 devnull #include	<u.h>
  2 d3df3087 2003-12-06 devnull #include	<libc.h>
  3 d3df3087 2003-12-06 devnull #include	<fcall.h>
  4 d3df3087 2003-12-06 devnull 
  5 d3df3087 2003-12-06 devnull static
  6 d3df3087 2003-12-06 devnull uchar*
  7 d3df3087 2003-12-06 devnull pstring(uchar *p, char *s)
  8 d3df3087 2003-12-06 devnull {
  9 d3df3087 2003-12-06 devnull 	uint n;
 10 d3df3087 2003-12-06 devnull 
 11 d3df3087 2003-12-06 devnull 	if(s == nil){
 12 d3df3087 2003-12-06 devnull 		PBIT16(p, 0);
 13 d3df3087 2003-12-06 devnull 		p += BIT16SZ;
 14 d3df3087 2003-12-06 devnull 		return p;
 15 d3df3087 2003-12-06 devnull 	}
 16 d3df3087 2003-12-06 devnull 
 17 d3df3087 2003-12-06 devnull 	n = strlen(s);
 18 d3df3087 2003-12-06 devnull 	PBIT16(p, n);
 19 d3df3087 2003-12-06 devnull 	p += BIT16SZ;
 20 d3df3087 2003-12-06 devnull 	memmove(p, s, n);
 21 d3df3087 2003-12-06 devnull 	p += n;
 22 d3df3087 2003-12-06 devnull 	return p;
 23 d3df3087 2003-12-06 devnull }
 24 d3df3087 2003-12-06 devnull 
 25 d3df3087 2003-12-06 devnull static
 26 d3df3087 2003-12-06 devnull uchar*
 27 d3df3087 2003-12-06 devnull pqid(uchar *p, Qid *q)
 28 d3df3087 2003-12-06 devnull {
 29 d3df3087 2003-12-06 devnull 	PBIT8(p, q->type);
 30 d3df3087 2003-12-06 devnull 	p += BIT8SZ;
 31 d3df3087 2003-12-06 devnull 	PBIT32(p, q->vers);
 32 d3df3087 2003-12-06 devnull 	p += BIT32SZ;
 33 d3df3087 2003-12-06 devnull 	PBIT64(p, q->path);
 34 d3df3087 2003-12-06 devnull 	p += BIT64SZ;
 35 d3df3087 2003-12-06 devnull 	return p;
 36 d3df3087 2003-12-06 devnull }
 37 d3df3087 2003-12-06 devnull 
 38 d3df3087 2003-12-06 devnull static
 39 d3df3087 2003-12-06 devnull uint
 40 d3df3087 2003-12-06 devnull stringsz(char *s)
 41 d3df3087 2003-12-06 devnull {
 42 d3df3087 2003-12-06 devnull 	if(s == nil)
 43 d3df3087 2003-12-06 devnull 		return BIT16SZ;
 44 d3df3087 2003-12-06 devnull 
 45 d3df3087 2003-12-06 devnull 	return BIT16SZ+strlen(s);
 46 d3df3087 2003-12-06 devnull }
 47 d3df3087 2003-12-06 devnull 
 48 d3df3087 2003-12-06 devnull uint
 49 74dd0321 2010-12-07 rsc sizeS2M(Fcall *f)
 50 d3df3087 2003-12-06 devnull {
 51 d3df3087 2003-12-06 devnull 	uint n;
 52 d3df3087 2003-12-06 devnull 	int i;
 53 d3df3087 2003-12-06 devnull 
 54 d3df3087 2003-12-06 devnull 	n = 0;
 55 d3df3087 2003-12-06 devnull 	n += BIT32SZ;	/* size */
 56 d3df3087 2003-12-06 devnull 	n += BIT8SZ;	/* type */
 57 d3df3087 2003-12-06 devnull 	n += BIT16SZ;	/* tag */
 58 d3df3087 2003-12-06 devnull 
 59 d3df3087 2003-12-06 devnull 	switch(f->type)
 60 d3df3087 2003-12-06 devnull 	{
 61 d3df3087 2003-12-06 devnull 	default:
 62 d3df3087 2003-12-06 devnull 		return 0;
 63 d3df3087 2003-12-06 devnull 
 64 d3df3087 2003-12-06 devnull 	case Tversion:
 65 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
 66 d3df3087 2003-12-06 devnull 		n += stringsz(f->version);
 67 d3df3087 2003-12-06 devnull 		break;
 68 d3df3087 2003-12-06 devnull 
 69 d3df3087 2003-12-06 devnull 	case Tflush:
 70 d3df3087 2003-12-06 devnull 		n += BIT16SZ;
 71 d3df3087 2003-12-06 devnull 		break;
 72 d3df3087 2003-12-06 devnull 
 73 d3df3087 2003-12-06 devnull 	case Tauth:
 74 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
 75 d3df3087 2003-12-06 devnull 		n += stringsz(f->uname);
 76 d3df3087 2003-12-06 devnull 		n += stringsz(f->aname);
 77 d3df3087 2003-12-06 devnull 		break;
 78 d3df3087 2003-12-06 devnull 
 79 d3df3087 2003-12-06 devnull 	case Tattach:
 80 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
 81 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
 82 d3df3087 2003-12-06 devnull 		n += stringsz(f->uname);
 83 d3df3087 2003-12-06 devnull 		n += stringsz(f->aname);
 84 d3df3087 2003-12-06 devnull 		break;
 85 d3df3087 2003-12-06 devnull 
 86 d3df3087 2003-12-06 devnull 	case Twalk:
 87 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
 88 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
 89 d3df3087 2003-12-06 devnull 		n += BIT16SZ;
 90 d3df3087 2003-12-06 devnull 		for(i=0; i<f->nwname; i++)
 91 d3df3087 2003-12-06 devnull 			n += stringsz(f->wname[i]);
 92 d3df3087 2003-12-06 devnull 		break;
 93 d3df3087 2003-12-06 devnull 
 94 d3df3087 2003-12-06 devnull 	case Topen:
 95 32f69c36 2003-12-11 devnull 	case Topenfd:
 96 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
 97 d3df3087 2003-12-06 devnull 		n += BIT8SZ;
 98 d3df3087 2003-12-06 devnull 		break;
 99 d3df3087 2003-12-06 devnull 
100 d3df3087 2003-12-06 devnull 	case Tcreate:
101 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
102 d3df3087 2003-12-06 devnull 		n += stringsz(f->name);
103 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
104 d3df3087 2003-12-06 devnull 		n += BIT8SZ;
105 d3df3087 2003-12-06 devnull 		break;
106 d3df3087 2003-12-06 devnull 
107 d3df3087 2003-12-06 devnull 	case Tread:
108 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
109 d3df3087 2003-12-06 devnull 		n += BIT64SZ;
110 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
111 d3df3087 2003-12-06 devnull 		break;
112 d3df3087 2003-12-06 devnull 
113 d3df3087 2003-12-06 devnull 	case Twrite:
114 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
115 d3df3087 2003-12-06 devnull 		n += BIT64SZ;
116 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
117 d3df3087 2003-12-06 devnull 		n += f->count;
118 d3df3087 2003-12-06 devnull 		break;
119 d3df3087 2003-12-06 devnull 
120 d3df3087 2003-12-06 devnull 	case Tclunk:
121 d3df3087 2003-12-06 devnull 	case Tremove:
122 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
123 d3df3087 2003-12-06 devnull 		break;
124 d3df3087 2003-12-06 devnull 
125 d3df3087 2003-12-06 devnull 	case Tstat:
126 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
127 d3df3087 2003-12-06 devnull 		break;
128 d3df3087 2003-12-06 devnull 
129 d3df3087 2003-12-06 devnull 	case Twstat:
130 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
131 d3df3087 2003-12-06 devnull 		n += BIT16SZ;
132 d3df3087 2003-12-06 devnull 		n += f->nstat;
133 d3df3087 2003-12-06 devnull 		break;
134 d3df3087 2003-12-06 devnull /*
135 d3df3087 2003-12-06 devnull  */
136 d3df3087 2003-12-06 devnull 
137 d3df3087 2003-12-06 devnull 	case Rversion:
138 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
139 d3df3087 2003-12-06 devnull 		n += stringsz(f->version);
140 d3df3087 2003-12-06 devnull 		break;
141 d3df3087 2003-12-06 devnull 
142 d3df3087 2003-12-06 devnull 	case Rerror:
143 d3df3087 2003-12-06 devnull 		n += stringsz(f->ename);
144 d3df3087 2003-12-06 devnull 		break;
145 d3df3087 2003-12-06 devnull 
146 d3df3087 2003-12-06 devnull 	case Rflush:
147 d3df3087 2003-12-06 devnull 		break;
148 d3df3087 2003-12-06 devnull 
149 d3df3087 2003-12-06 devnull 	case Rauth:
150 d3df3087 2003-12-06 devnull 		n += QIDSZ;
151 d3df3087 2003-12-06 devnull 		break;
152 d3df3087 2003-12-06 devnull 
153 d3df3087 2003-12-06 devnull 	case Rattach:
154 d3df3087 2003-12-06 devnull 		n += QIDSZ;
155 d3df3087 2003-12-06 devnull 		break;
156 d3df3087 2003-12-06 devnull 
157 d3df3087 2003-12-06 devnull 	case Rwalk:
158 d3df3087 2003-12-06 devnull 		n += BIT16SZ;
159 d3df3087 2003-12-06 devnull 		n += f->nwqid*QIDSZ;
160 d3df3087 2003-12-06 devnull 		break;
161 d3df3087 2003-12-06 devnull 
162 d3df3087 2003-12-06 devnull 	case Ropen:
163 d3df3087 2003-12-06 devnull 	case Rcreate:
164 d3df3087 2003-12-06 devnull 		n += QIDSZ;
165 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
166 d3df3087 2003-12-06 devnull 		break;
167 d3df3087 2003-12-06 devnull 
168 32f69c36 2003-12-11 devnull 	case Ropenfd:
169 32f69c36 2003-12-11 devnull 		n += QIDSZ;
170 32f69c36 2003-12-11 devnull 		n += BIT32SZ;
171 32f69c36 2003-12-11 devnull 		n += BIT32SZ;
172 32f69c36 2003-12-11 devnull 		break;
173 32f69c36 2003-12-11 devnull 
174 d3df3087 2003-12-06 devnull 	case Rread:
175 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
176 d3df3087 2003-12-06 devnull 		n += f->count;
177 d3df3087 2003-12-06 devnull 		break;
178 d3df3087 2003-12-06 devnull 
179 d3df3087 2003-12-06 devnull 	case Rwrite:
180 d3df3087 2003-12-06 devnull 		n += BIT32SZ;
181 d3df3087 2003-12-06 devnull 		break;
182 d3df3087 2003-12-06 devnull 
183 d3df3087 2003-12-06 devnull 	case Rclunk:
184 d3df3087 2003-12-06 devnull 		break;
185 d3df3087 2003-12-06 devnull 
186 d3df3087 2003-12-06 devnull 	case Rremove:
187 d3df3087 2003-12-06 devnull 		break;
188 d3df3087 2003-12-06 devnull 
189 d3df3087 2003-12-06 devnull 	case Rstat:
190 d3df3087 2003-12-06 devnull 		n += BIT16SZ;
191 d3df3087 2003-12-06 devnull 		n += f->nstat;
192 d3df3087 2003-12-06 devnull 		break;
193 d3df3087 2003-12-06 devnull 
194 d3df3087 2003-12-06 devnull 	case Rwstat:
195 d3df3087 2003-12-06 devnull 		break;
196 d3df3087 2003-12-06 devnull 	}
197 d3df3087 2003-12-06 devnull 	return n;
198 d3df3087 2003-12-06 devnull }
199 d3df3087 2003-12-06 devnull 
200 d3df3087 2003-12-06 devnull uint
201 74dd0321 2010-12-07 rsc convS2M(Fcall *f, uchar *ap, uint nap)
202 fb941e08 2005-09-13 devnull {
203 d3df3087 2003-12-06 devnull 	uchar *p;
204 d3df3087 2003-12-06 devnull 	uint i, size;
205 d3df3087 2003-12-06 devnull 
206 74dd0321 2010-12-07 rsc 	size = sizeS2M(f);
207 d3df3087 2003-12-06 devnull 	if(size == 0)
208 d3df3087 2003-12-06 devnull 		return 0;
209 d3df3087 2003-12-06 devnull 	if(size > nap)
210 d3df3087 2003-12-06 devnull 		return 0;
211 d3df3087 2003-12-06 devnull 
212 d3df3087 2003-12-06 devnull 	p = (uchar*)ap;
213 d3df3087 2003-12-06 devnull 
214 d3df3087 2003-12-06 devnull 	PBIT32(p, size);
215 d3df3087 2003-12-06 devnull 	p += BIT32SZ;
216 d3df3087 2003-12-06 devnull 	PBIT8(p, f->type);
217 d3df3087 2003-12-06 devnull 	p += BIT8SZ;
218 d3df3087 2003-12-06 devnull 	PBIT16(p, f->tag);
219 d3df3087 2003-12-06 devnull 	p += BIT16SZ;
220 d3df3087 2003-12-06 devnull 
221 d3df3087 2003-12-06 devnull 	switch(f->type)
222 d3df3087 2003-12-06 devnull 	{
223 d3df3087 2003-12-06 devnull 	default:
224 d3df3087 2003-12-06 devnull 		return 0;
225 d3df3087 2003-12-06 devnull 
226 d3df3087 2003-12-06 devnull 	case Tversion:
227 d3df3087 2003-12-06 devnull 		PBIT32(p, f->msize);
228 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
229 d3df3087 2003-12-06 devnull 		p = pstring(p, f->version);
230 d3df3087 2003-12-06 devnull 		break;
231 d3df3087 2003-12-06 devnull 
232 d3df3087 2003-12-06 devnull 	case Tflush:
233 d3df3087 2003-12-06 devnull 		PBIT16(p, f->oldtag);
234 d3df3087 2003-12-06 devnull 		p += BIT16SZ;
235 d3df3087 2003-12-06 devnull 		break;
236 d3df3087 2003-12-06 devnull 
237 d3df3087 2003-12-06 devnull 	case Tauth:
238 d3df3087 2003-12-06 devnull 		PBIT32(p, f->afid);
239 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
240 d3df3087 2003-12-06 devnull 		p  = pstring(p, f->uname);
241 d3df3087 2003-12-06 devnull 		p  = pstring(p, f->aname);
242 d3df3087 2003-12-06 devnull 		break;
243 d3df3087 2003-12-06 devnull 
244 d3df3087 2003-12-06 devnull 	case Tattach:
245 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
246 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
247 d3df3087 2003-12-06 devnull 		PBIT32(p, f->afid);
248 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
249 d3df3087 2003-12-06 devnull 		p  = pstring(p, f->uname);
250 d3df3087 2003-12-06 devnull 		p  = pstring(p, f->aname);
251 d3df3087 2003-12-06 devnull 		break;
252 d3df3087 2003-12-06 devnull 
253 d3df3087 2003-12-06 devnull 	case Twalk:
254 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
255 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
256 d3df3087 2003-12-06 devnull 		PBIT32(p, f->newfid);
257 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
258 d3df3087 2003-12-06 devnull 		PBIT16(p, f->nwname);
259 d3df3087 2003-12-06 devnull 		p += BIT16SZ;
260 d3df3087 2003-12-06 devnull 		if(f->nwname > MAXWELEM)
261 d3df3087 2003-12-06 devnull 			return 0;
262 d3df3087 2003-12-06 devnull 		for(i=0; i<f->nwname; i++)
263 d3df3087 2003-12-06 devnull 			p = pstring(p, f->wname[i]);
264 d3df3087 2003-12-06 devnull 		break;
265 d3df3087 2003-12-06 devnull 
266 d3df3087 2003-12-06 devnull 	case Topen:
267 32f69c36 2003-12-11 devnull 	case Topenfd:
268 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
269 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
270 d3df3087 2003-12-06 devnull 		PBIT8(p, f->mode);
271 d3df3087 2003-12-06 devnull 		p += BIT8SZ;
272 d3df3087 2003-12-06 devnull 		break;
273 d3df3087 2003-12-06 devnull 
274 d3df3087 2003-12-06 devnull 	case Tcreate:
275 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
276 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
277 d3df3087 2003-12-06 devnull 		p = pstring(p, f->name);
278 d3df3087 2003-12-06 devnull 		PBIT32(p, f->perm);
279 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
280 d3df3087 2003-12-06 devnull 		PBIT8(p, f->mode);
281 d3df3087 2003-12-06 devnull 		p += BIT8SZ;
282 d3df3087 2003-12-06 devnull 		break;
283 d3df3087 2003-12-06 devnull 
284 d3df3087 2003-12-06 devnull 	case Tread:
285 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
286 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
287 d3df3087 2003-12-06 devnull 		PBIT64(p, f->offset);
288 d3df3087 2003-12-06 devnull 		p += BIT64SZ;
289 d3df3087 2003-12-06 devnull 		PBIT32(p, f->count);
290 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
291 d3df3087 2003-12-06 devnull 		break;
292 d3df3087 2003-12-06 devnull 
293 d3df3087 2003-12-06 devnull 	case Twrite:
294 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
295 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
296 d3df3087 2003-12-06 devnull 		PBIT64(p, f->offset);
297 d3df3087 2003-12-06 devnull 		p += BIT64SZ;
298 d3df3087 2003-12-06 devnull 		PBIT32(p, f->count);
299 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
300 d3df3087 2003-12-06 devnull 		memmove(p, f->data, f->count);
301 d3df3087 2003-12-06 devnull 		p += f->count;
302 d3df3087 2003-12-06 devnull 		break;
303 d3df3087 2003-12-06 devnull 
304 d3df3087 2003-12-06 devnull 	case Tclunk:
305 d3df3087 2003-12-06 devnull 	case Tremove:
306 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
307 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
308 d3df3087 2003-12-06 devnull 		break;
309 d3df3087 2003-12-06 devnull 
310 d3df3087 2003-12-06 devnull 	case Tstat:
311 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
312 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
313 d3df3087 2003-12-06 devnull 		break;
314 d3df3087 2003-12-06 devnull 
315 d3df3087 2003-12-06 devnull 	case Twstat:
316 d3df3087 2003-12-06 devnull 		PBIT32(p, f->fid);
317 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
318 d3df3087 2003-12-06 devnull 		PBIT16(p, f->nstat);
319 d3df3087 2003-12-06 devnull 		p += BIT16SZ;
320 d3df3087 2003-12-06 devnull 		memmove(p, f->stat, f->nstat);
321 d3df3087 2003-12-06 devnull 		p += f->nstat;
322 d3df3087 2003-12-06 devnull 		break;
323 d3df3087 2003-12-06 devnull /*
324 d3df3087 2003-12-06 devnull  */
325 d3df3087 2003-12-06 devnull 
326 d3df3087 2003-12-06 devnull 	case Rversion:
327 d3df3087 2003-12-06 devnull 		PBIT32(p, f->msize);
328 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
329 d3df3087 2003-12-06 devnull 		p = pstring(p, f->version);
330 d3df3087 2003-12-06 devnull 		break;
331 d3df3087 2003-12-06 devnull 
332 d3df3087 2003-12-06 devnull 	case Rerror:
333 d3df3087 2003-12-06 devnull 		p = pstring(p, f->ename);
334 d3df3087 2003-12-06 devnull 		break;
335 d3df3087 2003-12-06 devnull 
336 d3df3087 2003-12-06 devnull 	case Rflush:
337 d3df3087 2003-12-06 devnull 		break;
338 d3df3087 2003-12-06 devnull 
339 d3df3087 2003-12-06 devnull 	case Rauth:
340 d3df3087 2003-12-06 devnull 		p = pqid(p, &f->aqid);
341 d3df3087 2003-12-06 devnull 		break;
342 d3df3087 2003-12-06 devnull 
343 d3df3087 2003-12-06 devnull 	case Rattach:
344 d3df3087 2003-12-06 devnull 		p = pqid(p, &f->qid);
345 d3df3087 2003-12-06 devnull 		break;
346 d3df3087 2003-12-06 devnull 
347 d3df3087 2003-12-06 devnull 	case Rwalk:
348 d3df3087 2003-12-06 devnull 		PBIT16(p, f->nwqid);
349 d3df3087 2003-12-06 devnull 		p += BIT16SZ;
350 d3df3087 2003-12-06 devnull 		if(f->nwqid > MAXWELEM)
351 d3df3087 2003-12-06 devnull 			return 0;
352 d3df3087 2003-12-06 devnull 		for(i=0; i<f->nwqid; i++)
353 d3df3087 2003-12-06 devnull 			p = pqid(p, &f->wqid[i]);
354 d3df3087 2003-12-06 devnull 		break;
355 d3df3087 2003-12-06 devnull 
356 d3df3087 2003-12-06 devnull 	case Ropen:
357 d3df3087 2003-12-06 devnull 	case Rcreate:
358 32f69c36 2003-12-11 devnull 	case Ropenfd:
359 d3df3087 2003-12-06 devnull 		p = pqid(p, &f->qid);
360 d3df3087 2003-12-06 devnull 		PBIT32(p, f->iounit);
361 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
362 32f69c36 2003-12-11 devnull 		if(f->type == Ropenfd){
363 32f69c36 2003-12-11 devnull 			PBIT32(p, f->unixfd);
364 32f69c36 2003-12-11 devnull 			p += BIT32SZ;
365 32f69c36 2003-12-11 devnull 		}
366 d3df3087 2003-12-06 devnull 		break;
367 d3df3087 2003-12-06 devnull 
368 d3df3087 2003-12-06 devnull 	case Rread:
369 d3df3087 2003-12-06 devnull 		PBIT32(p, f->count);
370 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
371 d3df3087 2003-12-06 devnull 		memmove(p, f->data, f->count);
372 d3df3087 2003-12-06 devnull 		p += f->count;
373 d3df3087 2003-12-06 devnull 		break;
374 d3df3087 2003-12-06 devnull 
375 d3df3087 2003-12-06 devnull 	case Rwrite:
376 d3df3087 2003-12-06 devnull 		PBIT32(p, f->count);
377 d3df3087 2003-12-06 devnull 		p += BIT32SZ;
378 d3df3087 2003-12-06 devnull 		break;
379 d3df3087 2003-12-06 devnull 
380 d3df3087 2003-12-06 devnull 	case Rclunk:
381 d3df3087 2003-12-06 devnull 		break;
382 d3df3087 2003-12-06 devnull 
383 d3df3087 2003-12-06 devnull 	case Rremove:
384 d3df3087 2003-12-06 devnull 		break;
385 d3df3087 2003-12-06 devnull 
386 d3df3087 2003-12-06 devnull 	case Rstat:
387 d3df3087 2003-12-06 devnull 		PBIT16(p, f->nstat);
388 d3df3087 2003-12-06 devnull 		p += BIT16SZ;
389 d3df3087 2003-12-06 devnull 		memmove(p, f->stat, f->nstat);
390 d3df3087 2003-12-06 devnull 		p += f->nstat;
391 d3df3087 2003-12-06 devnull 		break;
392 d3df3087 2003-12-06 devnull 
393 d3df3087 2003-12-06 devnull 	case Rwstat:
394 d3df3087 2003-12-06 devnull 		break;
395 d3df3087 2003-12-06 devnull 	}
396 d3df3087 2003-12-06 devnull 	if(size != p-ap)
397 d3df3087 2003-12-06 devnull 		return 0;
398 d3df3087 2003-12-06 devnull 	return size;
399 d3df3087 2003-12-06 devnull }