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 uint
  6 fb941e08 2005-09-13 devnull sizeD2Mu(Dir *d, int dotu)
  7 d3df3087 2003-12-06 devnull {
  8 fb941e08 2005-09-13 devnull 	char *sv[5];
  9 fb941e08 2005-09-13 devnull 	int i, ns, nstr, fixlen;
 10 d3df3087 2003-12-06 devnull 
 11 d3df3087 2003-12-06 devnull 	sv[0] = d->name;
 12 d3df3087 2003-12-06 devnull 	sv[1] = d->uid;
 13 d3df3087 2003-12-06 devnull 	sv[2] = d->gid;
 14 d3df3087 2003-12-06 devnull 	sv[3] = d->muid;
 15 fb941e08 2005-09-13 devnull 	
 16 fb941e08 2005-09-13 devnull 	fixlen = STATFIXLEN;
 17 fb941e08 2005-09-13 devnull 	nstr = 4;
 18 fb941e08 2005-09-13 devnull 	if(dotu){
 19 fb941e08 2005-09-13 devnull 		fixlen = STATFIXLENU;
 20 fb941e08 2005-09-13 devnull 		sv[4] = d->ext;
 21 fb941e08 2005-09-13 devnull 		nstr = 5;
 22 fb941e08 2005-09-13 devnull 	}
 23 fb941e08 2005-09-13 devnull 	
 24 d3df3087 2003-12-06 devnull 	ns = 0;
 25 fb941e08 2005-09-13 devnull 	for(i = 0; i < nstr; i++)
 26 d3df3087 2003-12-06 devnull 		if(sv[i])
 27 d3df3087 2003-12-06 devnull 			ns += strlen(sv[i]);
 28 d3df3087 2003-12-06 devnull 
 29 fb941e08 2005-09-13 devnull 	return fixlen + ns;
 30 d3df3087 2003-12-06 devnull }
 31 d3df3087 2003-12-06 devnull 
 32 d3df3087 2003-12-06 devnull uint
 33 fb941e08 2005-09-13 devnull sizeD2M(Dir *d)
 34 d3df3087 2003-12-06 devnull {
 35 fb941e08 2005-09-13 devnull 	return sizeD2Mu(d, 0);
 36 fb941e08 2005-09-13 devnull }
 37 fb941e08 2005-09-13 devnull 
 38 fb941e08 2005-09-13 devnull uint
 39 fb941e08 2005-09-13 devnull convD2Mu(Dir *d, uchar *buf, uint nbuf, int dotu)
 40 fb941e08 2005-09-13 devnull {
 41 d3df3087 2003-12-06 devnull 	uchar *p, *ebuf;
 42 fb941e08 2005-09-13 devnull 	char *sv[5];
 43 adeb5ac9 2005-12-29 devnull 	int i, ns, nsv[5], ss, nstr, fixlen;
 44 d3df3087 2003-12-06 devnull 
 45 d3df3087 2003-12-06 devnull 	if(nbuf < BIT16SZ)
 46 d3df3087 2003-12-06 devnull 		return 0;
 47 d3df3087 2003-12-06 devnull 
 48 d3df3087 2003-12-06 devnull 	p = buf;
 49 d3df3087 2003-12-06 devnull 	ebuf = buf + nbuf;
 50 d3df3087 2003-12-06 devnull 
 51 d3df3087 2003-12-06 devnull 	sv[0] = d->name;
 52 d3df3087 2003-12-06 devnull 	sv[1] = d->uid;
 53 d3df3087 2003-12-06 devnull 	sv[2] = d->gid;
 54 d3df3087 2003-12-06 devnull 	sv[3] = d->muid;
 55 d3df3087 2003-12-06 devnull 
 56 fb941e08 2005-09-13 devnull 	fixlen = STATFIXLEN;
 57 fb941e08 2005-09-13 devnull 	nstr = 4;
 58 fb941e08 2005-09-13 devnull 	if(dotu){
 59 fb941e08 2005-09-13 devnull 		fixlen = STATFIXLENU;
 60 fb941e08 2005-09-13 devnull 		sv[4] = d->ext;
 61 fb941e08 2005-09-13 devnull 		nstr = 5;
 62 fb941e08 2005-09-13 devnull 	}
 63 fb941e08 2005-09-13 devnull 	
 64 d3df3087 2003-12-06 devnull 	ns = 0;
 65 fb941e08 2005-09-13 devnull 	for(i = 0; i < nstr; i++){
 66 d3df3087 2003-12-06 devnull 		if(sv[i])
 67 d3df3087 2003-12-06 devnull 			nsv[i] = strlen(sv[i]);
 68 d3df3087 2003-12-06 devnull 		else
 69 d3df3087 2003-12-06 devnull 			nsv[i] = 0;
 70 d3df3087 2003-12-06 devnull 		ns += nsv[i];
 71 d3df3087 2003-12-06 devnull 	}
 72 d3df3087 2003-12-06 devnull 
 73 fb941e08 2005-09-13 devnull 	ss = fixlen + ns;
 74 d3df3087 2003-12-06 devnull 
 75 d3df3087 2003-12-06 devnull 	/* set size befor erroring, so user can know how much is needed */
 76 d3df3087 2003-12-06 devnull 	/* note that length excludes count field itself */
 77 d3df3087 2003-12-06 devnull 	PBIT16(p, ss-BIT16SZ);
 78 d3df3087 2003-12-06 devnull 	p += BIT16SZ;
 79 d3df3087 2003-12-06 devnull 
 80 d3df3087 2003-12-06 devnull 	if(ss > nbuf)
 81 d3df3087 2003-12-06 devnull 		return BIT16SZ;
 82 d3df3087 2003-12-06 devnull 
 83 d3df3087 2003-12-06 devnull 	PBIT16(p, d->type);
 84 d3df3087 2003-12-06 devnull 	p += BIT16SZ;
 85 d3df3087 2003-12-06 devnull 	PBIT32(p, d->dev);
 86 d3df3087 2003-12-06 devnull 	p += BIT32SZ;
 87 d3df3087 2003-12-06 devnull 	PBIT8(p, d->qid.type);
 88 d3df3087 2003-12-06 devnull 	p += BIT8SZ;
 89 d3df3087 2003-12-06 devnull 	PBIT32(p, d->qid.vers);
 90 d3df3087 2003-12-06 devnull 	p += BIT32SZ;
 91 d3df3087 2003-12-06 devnull 	PBIT64(p, d->qid.path);
 92 d3df3087 2003-12-06 devnull 	p += BIT64SZ;
 93 d3df3087 2003-12-06 devnull 	PBIT32(p, d->mode);
 94 d3df3087 2003-12-06 devnull 	p += BIT32SZ;
 95 d3df3087 2003-12-06 devnull 	PBIT32(p, d->atime);
 96 d3df3087 2003-12-06 devnull 	p += BIT32SZ;
 97 d3df3087 2003-12-06 devnull 	PBIT32(p, d->mtime);
 98 d3df3087 2003-12-06 devnull 	p += BIT32SZ;
 99 d3df3087 2003-12-06 devnull 	PBIT64(p, d->length);
100 d3df3087 2003-12-06 devnull 	p += BIT64SZ;
101 d3df3087 2003-12-06 devnull 
102 fb941e08 2005-09-13 devnull 	for(i = 0; i < nstr; i++){
103 d3df3087 2003-12-06 devnull 		ns = nsv[i];
104 d3df3087 2003-12-06 devnull 		if(p + ns + BIT16SZ > ebuf)
105 d3df3087 2003-12-06 devnull 			return 0;
106 d3df3087 2003-12-06 devnull 		PBIT16(p, ns);
107 d3df3087 2003-12-06 devnull 		p += BIT16SZ;
108 d3df3087 2003-12-06 devnull 		if(ns)
109 d3df3087 2003-12-06 devnull 			memmove(p, sv[i], ns);
110 d3df3087 2003-12-06 devnull 		p += ns;
111 d3df3087 2003-12-06 devnull 	}
112 fb941e08 2005-09-13 devnull 	
113 fb941e08 2005-09-13 devnull 	if(dotu){
114 fb941e08 2005-09-13 devnull 		PBIT32(p, d->uidnum);
115 fb941e08 2005-09-13 devnull 		p += BIT32SZ;
116 fb941e08 2005-09-13 devnull 		PBIT32(p, d->gidnum);
117 fb941e08 2005-09-13 devnull 		p += BIT32SZ;
118 fb941e08 2005-09-13 devnull 		PBIT32(p, d->muidnum);
119 fb941e08 2005-09-13 devnull 		p += BIT32SZ;
120 fb941e08 2005-09-13 devnull 	}
121 d3df3087 2003-12-06 devnull 
122 d3df3087 2003-12-06 devnull 	if(ss != p - buf)
123 d3df3087 2003-12-06 devnull 		return 0;
124 d3df3087 2003-12-06 devnull 
125 d3df3087 2003-12-06 devnull 	return p - buf;
126 d3df3087 2003-12-06 devnull }
127 fb941e08 2005-09-13 devnull 
128 fb941e08 2005-09-13 devnull uint
129 fb941e08 2005-09-13 devnull convD2M(Dir *d, uchar *buf, uint nbuf)
130 fb941e08 2005-09-13 devnull {
131 fb941e08 2005-09-13 devnull 	return convD2Mu(d, buf, nbuf, 0);
132 fb941e08 2005-09-13 devnull }